vidar | bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5

General

Target

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
Size

817KB
MD5

18c518c069c62be9595f33f5c6a76b98
SHA1

868861d9e423a11bb1ba0673cbf7521cba173fd6
SHA256

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5
SHA512

a34ada42d647520b255d157e3b4d25b881c84d10ff78055c3dada02ef2a862f0d0ab134839bd3739eaa7a253a7caca4df35387f1f4b6ec24b9d03043aa45f7f2

Score

10^/10

vidar 921 spyware stealer

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.tumblr.com/

Attributes

profile_id
921

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/3320-121-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/3320-122-0x000000000046B77D-mapping.dmp	family_vidar
behavioral1/memory/3320-123-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

Processes:

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

pid	process
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.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

Suspicious use of SetThreadContext 1 IoCs

Processes:

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

description	pid	process	target process
PID 4648 set thread context of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3344 3320 WerFault.exe bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

pid	pid_target	process	target process
3344	3320	WerFault.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 5c000000010000000400000000080000090000000100000054000000305206082b0601050507030206082b06010505070303060a2b0601040182370a030406082b0601050507030406082b0601050507030606082b0601050507030706082b0601050507030106082b0601050507030853000000010000004300000030413022060c2b06010401b231010201050130123010060a2b0601040182373c0101030200c0301b060567810c010330123010060a2b0601040182373c0101030200c0620000000100000020000000d7a7a0fb5d7e2731d771e9484ebcdef71d5f0c3e0a2948782bc83ee0ea699ef40b000000010000001c0000005300650063007400690067006f002000280041004100410029000000140000000100000014000000a0110a233e96f107ece2af29ef82a57fd030a4b41d00000001000000100000002e0d6875874a44c820912e85e964cfdb030000000100000014000000d1eb23a46d17d68fd92564c2f1f1601764d8e349200000000100000036040000308204323082031aa003020102020101300d06092a864886f70d0101050500307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c18414141204365727469666963617465205365727669636573301e170d3034303130313030303030305a170d3238313233313233353935395a307b310b3009060355040613024742311b301906035504080c1247726561746572204d616e636865737465723110300e06035504070c0753616c666f7264311a3018060355040a0c11436f6d6f646f204341204c696d697465643121301f06035504030c1841414120436572746966696361746520536572766963657330820122300d06092a864886f70d01010105000382010f003082010a0282010100be409df46ee1ea76871c4d45448ebe46c883069dc12afe181f8ee402faf3ab5d508a16310b9a06d0c57022cd492d5463ccb66e68460b53eacb4c24c0bc724eeaf115aef4549a120ac37ab23360e2da8955f32258f3dedccfef8386a28c944f9f68f29890468427c776bfe3cc352c8b5e07646582c048b0a891f9619f762050a891c766b5eb78620356f08a1a13ea31a31ea099fd38f6f62732586f07f56bb8fb142bafb7aaccd6635f738cda0599a838a8cb17783651ace99ef4783a8dcf0fd942e2980cab2f9f0e01deef9f9949f12ddfac744d1b98b547c5e529d1f99018c7629cbe83c7267b3e8a25c7c0dd9de6356810209d8fd8ded2c3849c0d5ee82fc90203010001a381c03081bd301d0603551d0e04160414a0110a233e96f107ece2af29ef82a57fd030a4b4300e0603551d0f0101ff040403020106300f0603551d130101ff040530030101ff307b0603551d1f047430723038a036a0348632687474703a2f2f63726c2e636f6d6f646f63612e636f6d2f414141436572746966696361746553657276696365732e63726c3036a034a0328630687474703a2f2f63726c2e636f6d6f646f2e6e65742f414141436572746966696361746553657276696365732e63726c300d06092a864886f70d010105050003820101000856fc02f09be8ffa4fad67bc64480ce4fc4c5f60058cca6b6bc1449680476e8e6ee5dec020f60d68d50184f264e01e3e6b0a5eebfbc745441bffdfc12b8c74f5af48960057f60b7054af3f6f1c2bfc4b97486b62d7d6bccd2f346dd2fc6e06ac3c334032c7d96dd5ac20ea70a99c1058bab0c2ff35c3acf6c37550987de53406c58effcb6ab656e04f61bdc3ce05a15c69ed9f15948302165036cece92173ec9b03a1e037ada015188ffaba02cea72ca910132cd4e50826ab229760f8905e74d4a29a53bdf2a968e0a26ec2d76cb1a30f9ebfeb68e756f2aef2e32b383a0981b56b85d7be2ded3f1ab7b263e2f5622c82d46a004150f139839f95e93696986e	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exeWerFault.exe

pid	process
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3320	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe
3344	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
Token: SeRestorePrivilege	3344	WerFault.exe
Token: SeBackupPrivilege	3344	WerFault.exe
Token: SeDebugPrivilege	3344	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

description	pid	process	target process
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
PID 4648 wrote to memory of 3320	4648	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe	bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe

C:\Users\Admin\AppData\Local\Temp\bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
"C:\Users\Admin\AppData\Local\Temp\bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4648

C:\Users\Admin\AppData\Local\Temp\bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
C:\Users\Admin\AppData\Local\Temp\bf2b3900f5c0c83cc6c118bfcdca720c6f7ed4331042d716ac0929a0b6c108e5.exe
2⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:3320

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 3320 -s 1780
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3344

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/3320-121-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/3320-122-0x000000000046B77D-mapping.dmp

Download
memory/3320-123-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4648-114-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download
memory/4648-116-0x00000000054C0000-0x00000000054C1000-memory.dmp

Filesize
4KB

Download
memory/4648-117-0x0000000004FC0000-0x0000000004FC1000-memory.dmp

Filesize
4KB

Download
memory/4648-118-0x0000000004F80000-0x0000000004F81000-memory.dmp

Filesize
4KB

Download
memory/4648-119-0x0000000004FA0000-0x0000000004FA1000-memory.dmp

Filesize
4KB

Download
memory/4648-120-0x00000000051C0000-0x00000000051E1000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads