djvu | 8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8

Analysis

max time kernel
106s
max time network
123s
platform
windows10_x64
resource
win10-en-20210920
submitted
25-10-2021 23:01

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General

Target

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
Size

757KB
MD5

add01d34d1b0558a47ff1c111899ddc4
SHA1

781ff86f173ee25b5885b3b6acf29ec6a94bfde3
SHA256

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8
SHA512

cbac334e7f10907eaebf55605c78011733f3ae1e33d7d94d7b4e9e93fe652425872981b0fe163a7fc87f5b250dd204b275c7354a866cb6018816fc82a24f3d31

Score

10^/10

djvu vidar 517 discovery persistence ransomware spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

517

https://mas.to/@xeroxxx

Attributes

profile_id
517

Extracted

Family

djvu

http://rlrz.org/lancer

Signatures

Detected Djvu ransomware 6 IoCs

Processes:

resource	yara_rule
behavioral1/memory/4012-116-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/4012-115-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4300-120-0x0000000004D50000-0x0000000004E6B000-memory.dmp	family_djvu
behavioral1/memory/4012-121-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/4672-124-0x0000000000424141-mapping.dmp	family_djvu
behavioral1/memory/4672-129-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu

Djvu Ransomware
Ransomware which is a variant of the STOP family.
ransomware djvu
Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request
suricata

Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/912-137-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/912-138-0x00000000004A18CD-mapping.dmp	family_vidar
behavioral1/memory/644-141-0x0000000004C70000-0x0000000004D46000-memory.dmp	family_vidar
behavioral1/memory/912-142-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/908-147-0x0000000003250000-0x000000000339A000-memory.dmp	family_vidar

Downloads MZ/PE file
Executes dropped EXE 8 IoCs

Processes:

build2.exebuild3.exebuild2.exebuild3.exemstsca.exemstsca.exemstsca.exemstsca.exe

pid process

644 build2.exe
908 build3.exe
912 build2.exe
1204 build3.exe
5112 mstsca.exe
4228 mstsca.exe
4436 mstsca.exe
4732 mstsca.exe
Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

912 build2.exe
912 build2.exe
Modifies file permissions 1 TTPs 1 IoCs
discovery

File Permissions Modification
T1222

Processes:

icacls.exe

pid process

4332 icacls.exe
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

pid	process
644	build2.exe
908	build3.exe
912	build2.exe
1204	build3.exe
5112	mstsca.exe
4228	mstsca.exe
4436	mstsca.exe
4732	mstsca.exe

pid	process
912	build2.exe
912	build2.exe

pid	process
4332	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2481030822-2828258191-1606198294-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\6ab4a797-e264-434b-aecf-2c14d02dc280\\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe\" --AutoStart"	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.

Processes:

flow ioc

17 api.2ip.ua
26 api.2ip.ua
16 api.2ip.ua

flow	ioc
17	api.2ip.ua
26	api.2ip.ua
16	api.2ip.ua

Suspicious use of SetThreadContext 6 IoCs

Processes:

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exebuild2.exebuild3.exemstsca.exemstsca.exe

description	pid	process	target process
PID 4300 set thread context of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 set thread context of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 644 set thread context of 912	644	build2.exe	build2.exe
PID 908 set thread context of 1204	908	build3.exe	build3.exe
PID 5112 set thread context of 4228	5112	mstsca.exe	mstsca.exe
PID 4436 set thread context of 4732	4436	mstsca.exe	mstsca.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Creates scheduled task(s) 1 TTPs 2 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
persistence

Scheduled Task
T1053

Processes:

schtasks.exeschtasks.exe

pid process

1336 schtasks.exe
2912 schtasks.exe
Delays execution with timeout.exe 1 IoCs
evasion

Processes:

timeout.exe

pid process

5012 timeout.exe
Kills process with taskkill 1 IoCs
evasion

Processes:

taskkill.exe

pid process

1488 taskkill.exe

pid	process
1336	schtasks.exe
2912	schtasks.exe

pid	process
5012	timeout.exe

pid	process
1488	taskkill.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 5c000000010000000400000000080000090000000100000054000000305206082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050507030606082b0601050507030706082b0601050507030106082b0601050507030853000000010000004300000030413022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0620000000100000020000000d7a7a0fb5d7e2731d771e9484ebcdef71d5f0c3e0a2948782bc83ee0ea699ef40b000000010000001c0000005300650063007400690067006f002000280041004100410029000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

Processes:

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exebuild2.exe

pid	process
4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
912	build2.exe
912	build2.exe
912	build2.exe
912	build2.exe
912	build2.exe
912	build2.exe
912	build2.exe
912	build2.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

taskkill.exe

description pid process

Token: SeDebugPrivilege 1488 taskkill.exe

description	pid	process
Token: SeDebugPrivilege	1488	taskkill.exe

Suspicious use of WriteProcessMemory 64 IoCs

Processes:

8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exebuild2.exebuild3.exebuild3.exebuild2.execmd.exemstsca.exe

description	pid	process	target process
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4300 wrote to memory of 4012	4300	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4012 wrote to memory of 4332	4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	icacls.exe
PID 4012 wrote to memory of 4332	4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	icacls.exe
PID 4012 wrote to memory of 4332	4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	icacls.exe
PID 4012 wrote to memory of 4640	4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4012 wrote to memory of 4640	4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4012 wrote to memory of 4640	4012	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4640 wrote to memory of 4672	4640	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
PID 4672 wrote to memory of 644	4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	build2.exe
PID 4672 wrote to memory of 644	4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	build2.exe
PID 4672 wrote to memory of 644	4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	build2.exe
PID 4672 wrote to memory of 908	4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	build3.exe
PID 4672 wrote to memory of 908	4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	build3.exe
PID 4672 wrote to memory of 908	4672	8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe	build3.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 644 wrote to memory of 912	644	build2.exe	build2.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 908 wrote to memory of 1204	908	build3.exe	build3.exe
PID 1204 wrote to memory of 1336	1204	build3.exe	schtasks.exe
PID 1204 wrote to memory of 1336	1204	build3.exe	schtasks.exe
PID 1204 wrote to memory of 1336	1204	build3.exe	schtasks.exe
PID 912 wrote to memory of 2844	912	build2.exe	cmd.exe
PID 912 wrote to memory of 2844	912	build2.exe	cmd.exe
PID 912 wrote to memory of 2844	912	build2.exe	cmd.exe
PID 2844 wrote to memory of 1488	2844	cmd.exe	taskkill.exe
PID 2844 wrote to memory of 1488	2844	cmd.exe	taskkill.exe
PID 2844 wrote to memory of 1488	2844	cmd.exe	taskkill.exe
PID 2844 wrote to memory of 5012	2844	cmd.exe	timeout.exe
PID 2844 wrote to memory of 5012	2844	cmd.exe	timeout.exe
PID 2844 wrote to memory of 5012	2844	cmd.exe	timeout.exe
PID 5112 wrote to memory of 4228	5112	mstsca.exe	mstsca.exe
PID 5112 wrote to memory of 4228	5112	mstsca.exe	mstsca.exe
PID 5112 wrote to memory of 4228	5112	mstsca.exe	mstsca.exe

C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
"C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4300

C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
"C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe"
2⤵
- Adds Run key to start application
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4012

C:\Windows\SysWOW64\icacls.exe
icacls "C:\Users\Admin\AppData\Local\6ab4a797-e264-434b-aecf-2c14d02dc280" /deny *S-1-1-0:(OI)(CI)(DE,DC)
3⤵
- Modifies file permissions
PID:4332

C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
"C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe" --Admin IsNotAutoStart IsNotTask
3⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4640

C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
"C:\Users\Admin\AppData\Local\Temp\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe" --Admin IsNotAutoStart IsNotTask
4⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4672

C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe
"C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:644

C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe
"C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe"
6⤵
- Executes dropped EXE
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:912

C:\Windows\SysWOW64\cmd.exe
"C:\Windows\System32\cmd.exe" /c taskkill /im build2.exe /f & timeout /t 6 & del /f /q "C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe" & del C:\ProgramData\*.dll & exit
7⤵
- Suspicious use of WriteProcessMemory
PID:2844

C:\Windows\SysWOW64\taskkill.exe
taskkill /im build2.exe /f
8⤵
- Kills process with taskkill
- Suspicious use of AdjustPrivilegeToken
PID:1488

C:\Windows\SysWOW64\timeout.exe
timeout /t 6
8⤵
- Delays execution with timeout.exe
PID:5012

C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe
"C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe"
5⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:908

C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe
"C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe"
6⤵
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
PID:1204

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
7⤵
- Creates scheduled task(s)
PID:1336

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5112

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4228

C:\Windows\SysWOW64\schtasks.exe
/C /create /F /sc minute /mo 1 /tn "Azure-Update-Task" /tr "C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe"
3⤵
- Creates scheduled task(s)
PID:2912

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
PID:4436

C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
2⤵
- Executes dropped EXE
PID:4732

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

T1053

Persistence

Registry Run Keys / Startup Folder

T1060

Scheduled Task

T1053

Privilege Escalation

Scheduled Task

T1053

Defense Evasion

File Permissions Modification

T1222

Modify Registry

T1112

Install Root Certificate

T1130

Credential Access

Credentials in Files

T1081

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Data from Local System

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\ProgramData\freebl3.dll
MD5
ef2834ac4ee7d6724f255beaf527e635

SHA1
5be8c1e73a21b49f353c2ecfa4108e43a883cb7b

SHA256
a770ecba3b08bbabd0a567fc978e50615f8b346709f8eb3cfacf3faab24090ba

SHA512
c6ea0e4347cbd7ef5e80ae8c0afdca20ea23ac2bdd963361dfaf562a9aed58dcbc43f89dd826692a064d76c3f4b3e92361af7b79a6d16a75d9951591ae3544d2

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C:\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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C:\ProgramData\msvcp140.dll
MD5
109f0f02fd37c84bfc7508d4227d7ed5

SHA1
ef7420141bb15ac334d3964082361a460bfdb975

SHA256
334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

SHA512
46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

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C:\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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C:\ProgramData\softokn3.dll
MD5
a2ee53de9167bf0d6c019303b7ca84e5

SHA1
2a3c737fa1157e8483815e98b666408a18c0db42

SHA256
43536adef2ddcc811c28d35fa6ce3031029a2424ad393989db36169ff2995083

SHA512
45b56432244f86321fa88fbcca6a0d2a2f7f4e0648c1d7d7b1866adc9daa5eddd9f6bb73662149f279c9ab60930dad1113c8337cb5e6ec9eed5048322f65f7d8

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C:\ProgramData\vcruntime140.dll
MD5
7587bf9cb4147022cd5681b015183046

SHA1
f2106306a8f6f0da5afb7fc765cfa0757ad5a628

SHA256
c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

SHA512
0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
45ae4c94440b86d556d008976da3ba12

SHA1
59af8c430eb5348a74bc5369c875730ce1302512

SHA256
5adaf4262e492af02b2a24430e8ff49511be54bb7c67449449a7d00c2206c8bc

SHA512
2064cb934f4a451180d7060f46e8771116ba3829e774eec27b362933857f90c36ace51b86bd033ec53affcf76c4ca63e80ee5981c4c6f999a4377dd5153e6252

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
bdf3dbb928c6755deb36ea5c31d42df0

SHA1
dfa16bffd25cefe1cf48d323649b2d3b7e81f056

SHA256
e92857babb45ecfe5c5a1f2161f98236a1a1e218dec93cd609f691014398b95f

SHA512
60ef0ee4d86494a360f2611830173e070cc407233739ce5da6ba7bdf204c95659085e5ea56afba82df3de7172c9f41c87f240ea0f946378cd4d5de3f34ef61c9

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3431D4C539FB2CFCB781821E9902850D
MD5
b0360a0f3e8eb92abdd2d1229ae8c8c4

SHA1
cd1d08cad0fc46ca19fd3acab0af669770ff47fa

SHA256
4561e7f5bb65369bc4c65a31a4daaf8fbc9f7aa1897ab3321387010d59c4ce1a

SHA512
fe7cfb795807e6aaba6161164d51814de9f73a963e957041b402df18c5b096f8fbbfc251283ceb121eb0414ff94b6eb29ee32091616657ad0f078f5bfb870317

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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E
MD5
6418ebddb9bbf077e89ba143a94bbc5a

SHA1
64751b26cda9ad319e2f84e5699a27cfaa1edce1

SHA256
3298b4c16f8caabeb27be0dec21772fdad73cfcb32de69fc64e71210ce9aa38c

SHA512
b56679fe25e010d1d8f51a1fca0a86f9228d6c8ae6f5107a556d898882e78cbe00dc582d3c95e37f918d3388a9fa689cdb9fbb0b62727f17d69ae1601950667a

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C:\Users\Admin\AppData\Local\6ab4a797-e264-434b-aecf-2c14d02dc280\8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8.exe
MD5
add01d34d1b0558a47ff1c111899ddc4

SHA1
781ff86f173ee25b5885b3b6acf29ec6a94bfde3

SHA256
8ad7b2e99048650a546e0fac4ffd31d90d089fff98ee4ceca5456a96d73fc9e8

SHA512
cbac334e7f10907eaebf55605c78011733f3ae1e33d7d94d7b4e9e93fe652425872981b0fe163a7fc87f5b250dd204b275c7354a866cb6018816fc82a24f3d31

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C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build2.exe
MD5
a2ef57bbe3a8af95196a419a7962bfaa

SHA1
1a0c42723cd1e2e947f904619de7fcea5ca4a183

SHA256
4bc52cd8296fcffc22b5ca8ebf2b161260d71c8d34658f45c9c93cf6d65749e9

SHA512
ca4781632cc0fb2c53f1ae0d0b798da386514f58b6a48845197eea05da7af162405dee1d4b139e661798c29a095e50cdde9f193dea4a9c5366ee763a899ac160

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C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Local\e64872a0-be8d-443d-8851-2ed2ca38d753\build3.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
MD5
0fea771099e342facd95a9d659548919

SHA1
9f8b56a37870f8b4ac5aa0ff5677a666f94c7197

SHA256
6f032f671284b3812373e90b0ab5b16ea737bd7dc87d22b8f2aabe558334e403

SHA512
2c1eeb2909acdc1ac36a677dba5131775e97dd107cd60f03bc6672be1791b2dd83a9f588719cb376cc4771570c6b2c202e783e30450ae3c2aa48bbaf2ee049c3

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\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

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\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

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memory/644-130-0x0000000000000000-mapping.dmp

Download
memory/644-133-0x0000000003119000-0x0000000003195000-memory.dmp

Filesize
496KB

Download
memory/644-141-0x0000000004C70000-0x0000000004D46000-memory.dmp

Filesize
856KB

Download
memory/908-140-0x0000000003469000-0x0000000003479000-memory.dmp

Filesize
64KB

Download
memory/908-134-0x0000000000000000-mapping.dmp

Download
memory/908-147-0x0000000003250000-0x000000000339A000-memory.dmp

Filesize
1.3MB

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memory/912-138-0x00000000004A18CD-mapping.dmp

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memory/912-142-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/912-137-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

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memory/1204-148-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1204-144-0x0000000000401AFA-mapping.dmp

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memory/1204-143-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

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memory/1336-146-0x0000000000000000-mapping.dmp

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memory/1488-152-0x0000000000000000-mapping.dmp

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memory/2844-151-0x0000000000000000-mapping.dmp

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memory/2912-166-0x0000000000000000-mapping.dmp

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memory/4012-121-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4012-115-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4012-116-0x0000000000424141-mapping.dmp

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memory/4228-164-0x0000000000401AFA-mapping.dmp

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memory/4300-120-0x0000000004D50000-0x0000000004E6B000-memory.dmp

Filesize
1.1MB

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memory/4300-119-0x0000000004CB0000-0x0000000004D41000-memory.dmp

Filesize
580KB

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memory/4332-117-0x0000000000000000-mapping.dmp

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memory/4640-122-0x0000000000000000-mapping.dmp

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memory/4672-124-0x0000000000424141-mapping.dmp

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memory/4672-129-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

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memory/4732-171-0x0000000000401AFA-mapping.dmp

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memory/5012-153-0x0000000000000000-mapping.dmp

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memory/5112-167-0x00000000001D0000-0x00000000001D4000-memory.dmp

Filesize
16KB

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