djvu | c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2

Analysis

max time kernel
296s
max time network
186s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07/01/2024, 22:27

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General

Target

c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
Size

738KB
MD5

48693538f3bd60919dd8c4a3cc8c645e
SHA1

6991907dc22345bda32d2bea528a759eb895c1d4
SHA256

c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2
SHA512

5aab47ef515ab21a8ad8d97c4c8aa42ff93a1fda11ab5d0114b5af01a7eca6f29d07df2deb2eb09f9a1de52be72a30bcaf4652d63e3ddee3fab08605c1777f83
SSDEEP

12288:sVqOFBQPs90W6+gTgFzHTU2Ys8mMdJ4SNTqjmzB3qjie1qtnhYgZ6mrdarv:9iJ90W6+gTuHwjm0J4oB0/1q9hWwMj

Score

10^/10

djvu vidar discovery persistence ransomware stealer

Malware Config

Extracted

Family

djvu

http://zexeq.com/test1/get.php

Attributes

extension
.cdqw
offline_id
mMsRxMUuXypapZbGOAfxD9pczHmW8zVRP7Pgjwt1
payload_url
http://brusuax.com/dl/build2.exe

http://zexeq.com/files/1/build3.exe
ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-99MNqXMrdS Price of private key and decrypt software is $1999. Discount 50% available if you contact us first 72 hours, that's price for you is $999. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: [email protected] Reserve e-mail address to contact us: [email protected] Your personal ID: 0840ASdw

rsa_pubkey.plain

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral1/memory/1960-166-0x0000000000220000-0x000000000024A000-memory.dmp	family_vidar_v6
behavioral1/memory/1208-167-0x0000000000400000-0x000000000063D000-memory.dmp	family_vidar_v6
behavioral1/memory/1208-170-0x0000000000400000-0x000000000063D000-memory.dmp	family_vidar_v6
behavioral1/memory/1208-171-0x0000000000400000-0x000000000063D000-memory.dmp	family_vidar_v6
behavioral1/memory/1208-173-0x0000000000400000-0x000000000063D000-memory.dmp	family_vidar_v6
behavioral1/memory/1208-323-0x0000000000400000-0x000000000063D000-memory.dmp	family_vidar_v6

Detected Djvu ransomware 15 IoCs

resource	yara_rule
behavioral1/memory/2132-2-0x00000000021F0000-0x000000000230B000-memory.dmp	family_djvu
behavioral1/memory/2656-5-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2656-8-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2656-9-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/2656-27-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-111-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-123-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-136-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-137-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-139-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-143-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-145-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-146-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-147-0x0000000000400000-0x0000000000537000-memory.dmp	family_djvu
behavioral1/memory/1644-184-0x0000000000400000-0x0000000000537000-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
Downloads MZ/PE file

Executes dropped EXE 12 IoCs

pid	Process
1960	build2.exe
1208	build2.exe
1604	build3.exe
2336	build3.exe
2552	mstsca.exe
2348	mstsca.exe
296	mstsca.exe
2460	mstsca.exe
2076	mstsca.exe
2744	mstsca.exe
1288	mstsca.exe
2332	mstsca.exe

Loads dropped DLL 8 IoCs

pid	Process
1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
1312	WerFault.exe
1312	WerFault.exe
1312	WerFault.exe
1312	WerFault.exe

Modifies file permissions 1 TTPs 1 IoCs

discovery

File and Directory Permissions Modification

T1222

pid	Process
2584	icacls.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-1268429524-3929314613-1992311491-1000\Software\Microsoft\Windows\CurrentVersion\Run\SysHelper = "\"C:\\Users\\Admin\\AppData\\Local\\3f062959-3d8c-47a2-b1aa-0e7eab1b274e\\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe\" --AutoStart"	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe

Looks up external IP address via web service 3 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
3	api.2ip.ua
5	api.2ip.ua
9	api.2ip.ua

Suspicious use of SetThreadContext 8 IoCs

description	pid	Process	procid_target
PID 2132 set thread context of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2452 set thread context of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 1960 set thread context of 1208	1960	build2.exe	38
PID 1604 set thread context of 2336	1604	build3.exe	41
PID 2552 set thread context of 2348	2552	mstsca.exe	48
PID 296 set thread context of 2460	296	mstsca.exe	52
PID 2076 set thread context of 2744	2076	mstsca.exe	54
PID 1288 set thread context of 2332	1288	mstsca.exe	56

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

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1312	1208	WerFault.exe	38

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/Job

T1053

pid	Process
2132	schtasks.exe
1076	schtasks.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	build2.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a	build2.exe

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe

Suspicious use of WriteProcessMemory 64 IoCs

description	pid	Process	procid_target
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2132 wrote to memory of 2656	2132	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	28
PID 2656 wrote to memory of 2584	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	31
PID 2656 wrote to memory of 2584	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	31
PID 2656 wrote to memory of 2584	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	31
PID 2656 wrote to memory of 2584	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	31
PID 2656 wrote to memory of 2452	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	32
PID 2656 wrote to memory of 2452	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	32
PID 2656 wrote to memory of 2452	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	32
PID 2656 wrote to memory of 2452	2656	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	32
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 2452 wrote to memory of 1644	2452	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	34
PID 1644 wrote to memory of 1960	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	37
PID 1644 wrote to memory of 1960	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	37
PID 1644 wrote to memory of 1960	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	37
PID 1644 wrote to memory of 1960	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	37
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1960 wrote to memory of 1208	1960	build2.exe	38
PID 1644 wrote to memory of 1604	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	40
PID 1644 wrote to memory of 1604	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	40
PID 1644 wrote to memory of 1604	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	40
PID 1644 wrote to memory of 1604	1644	c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe	40
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 1604 wrote to memory of 2336	1604	build3.exe	41
PID 2336 wrote to memory of 2132	2336	build3.exe	42
PID 2336 wrote to memory of 2132	2336	build3.exe	42
PID 2336 wrote to memory of 2132	2336	build3.exe	42
PID 2336 wrote to memory of 2132	2336	build3.exe	42
PID 2108 wrote to memory of 2552	2108	taskeng.exe	45

C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
"C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2132
- C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
  "C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe"
  2⤵
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2656
- - C:\Windows\SysWOW64\icacls.exe
    icacls "C:\Users\Admin\AppData\Local\3f062959-3d8c-47a2-b1aa-0e7eab1b274e" /deny *S-1-1-0:(OI)(CI)(DE,DC)
    3⤵
    - Modifies file permissions
    PID:2584
- - C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
    "C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe" --Admin IsNotAutoStart IsNotTask
    3⤵
    - Suspicious use of SetThreadContext
    - Suspicious use of WriteProcessMemory
    PID:2452
  - - C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe
      "C:\Users\Admin\AppData\Local\Temp\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe" --Admin IsNotAutoStart IsNotTask
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of WriteProcessMemory
      PID:1644
    - - C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build2.exe
        
        "C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build2.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1960
      - C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build2.exe
        
        "C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build2.exe"
        6⤵
        Executes dropped EXE
        Modifies system certificate store
        
        PID:1208
        
        C:\Windows\SysWOW64\WerFault.exe
        
        C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1424
        7⤵
        Loads dropped DLL
        Program crash
        
        PID:1312
    - - C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build3.exe
        
        "C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build3.exe"
        5⤵
        Executes dropped EXE
        Suspicious use of SetThreadContext
        Suspicious use of WriteProcessMemory
        
        PID:1604
      - C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build3.exe
        
        "C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build3.exe"
        6⤵
        Executes dropped EXE
        Suspicious use of WriteProcessMemory
        
        PID:2336
        
        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:2132

C:\Windows\system32\taskeng.exe
taskeng.exe {77F95B17-0942-4CEA-8937-AC08E6C9BE91} S-1-5-21-1268429524-3929314613-1992311491-1000:XBTLDBHN\Admin:Interactive:[1]
1⤵
- Suspicious use of WriteProcessMemory
PID:2108
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2552
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2348
  - - 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"
      4⤵
      Creates scheduled task(s)
      PID:1076
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:296
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2460
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:2076
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2744
- C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  PID:1288
- - C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    C:\Users\Admin\AppData\Roaming\Microsoft\Network\mstsca.exe
    3⤵
    - Executes dropped EXE
    PID:2332

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Scheduled Task/Job

T1053

Defense Evasion

File and Directory Permissions Modification

T1222

Modify Registry

T1112

Subvert Trust Controls

T1553

Install Root Certificate

T1553.004

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
1KB

MD5
ec76a0e5c12e057fd09953aa4c89db48

SHA1
965160b7cd1a48a58c62cb27663ee108efd7b0fb

SHA256
a12c74241d1df0feed69578c08a1ff4cc4680847e02ce3832ccd026f1393541e

SHA512
74a2ad02e7bf98311bfdc2b95c3661b75ba66f29f2f34fe9b4ee230e9a4c7068c825fef4ee0f9aaabf3a1bbd49c43caccef2142c61cef10ff50170b0437828dd

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
724B

MD5
8202a1cd02e7d69597995cabbe881a12

SHA1
8858d9d934b7aa9330ee73de6c476acf19929ff6

SHA256
58f381c3a0a0ace6321da22e40bd44a597bd98b9c9390ab9258426b5cf75a7a5

SHA512
97ba9fceab995d4bef706f8deef99e06862999734ebe6a05832c710104479c6337cbf0a76e1c1e0f91566a61334dc100d837dfd049e20da765fe49def684f9c9

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\24BD96D5497F70B3F510A6B53CD43F3E_3A89246FB90C5EE6620004F1AE0EB0EA

Filesize
410B

MD5
f0b4d726d4c2394fede09c285e438028

SHA1
5bbcdb4ab096652880c4fb5118411a1d6abda2c8

SHA256
0f8b56d17d3e353a149683c4bdb3a34b4accdfe9701dba08c96f5c1d4dc13dce

SHA512
5e44ef24f5b75294b436950d970a283ea402b156ca30551ee721e00374bd1167a19c6a27f6fa6d8a5028646a13642da83ef92642381c43ae0047c575f5dcc953

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
bcd997d8a56499b2aff5476fd264f115

SHA1
8e1f541016740b96d2d049650d304def3aae8f4a

SHA256
7bfe208a66a6466e117e77f7bc3809e5e83a368e92b677d6acd31ac577542071

SHA512
dee1f9b6550c7060628e08580219e15c3b0d2ef720878fa93433cb2e8b5405833a0a2751beff2293104e002a94420b53a72c555e09390140b6be8098ebee5e53

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
344B

MD5
0b5c9010e0e668e7eaa5ca8864445067

SHA1
e66dbc864024381c2cd54ceef589dfc27ccef530

SHA256
77d002335daf2af50d0a7e00d0cebb9b6ab74ec14b89aa166a83121ab4258a59

SHA512
3f2186019f0570175fb1ec702b1fd0c10f7e89186bdc8dc85e6dfc9dce7612368437d2d5675c5ff18b39d7f1dabd8c2530e1e360e814ff08cbdae8cb4b1f4267

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\CAF4703619713E3F18D8A9D5D88D6288_F2DAF19C1F776537105D08FC8D978464

Filesize
392B

MD5
5f42f3ef2ba5e34eb151813e871d5177

SHA1
92b545198e8ef5410929e72ce7df8a706698ee32

SHA256
1a9a8c091699347d9ff970bcfe255c66e4fdddf43ecf6161ee7965cdb98bbba4

SHA512
33c5a24967b6351271edc12ebaea788d1f8132ed63daec2bc3f774c033246313f49ac060b78114a302732ae7f54cabaa9d9251aa884f13a2b216bec5e53af3d6

Download Submit
C:\Users\Admin\AppData\Local\3f062959-3d8c-47a2-b1aa-0e7eab1b274e\c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2.exe

Filesize
738KB

MD5
48693538f3bd60919dd8c4a3cc8c645e

SHA1
6991907dc22345bda32d2bea528a759eb895c1d4

SHA256
c5b6b580af57ab8ec6d792e2166ac6723f5d11734e5c8f3681b678a784d03ec2

SHA512
5aab47ef515ab21a8ad8d97c4c8aa42ff93a1fda11ab5d0114b5af01a7eca6f29d07df2deb2eb09f9a1de52be72a30bcaf4652d63e3ddee3fab08605c1777f83

Download Submit
C:\Users\Admin\AppData\Local\Temp\CabFDA0.tmp

Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarCDBC.tmp

Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
C:\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build3.exe

Filesize
64KB

MD5
8b6a819c6926597dfa7529b692d7a6cc

SHA1
50c535e9cca464afd3a589d2231d87ce417d4312

SHA256
b9cb5501cc2d257e049e1757062523c7f9ee5a85d57d46538fe492125befd26c

SHA512
dfd28b270d99ad89f8ce1df9750b92ff558f73fe2448bf182b5c1c05c7b180bb29175eeaf5a7c918791d64b36167fc1a6044f1aaff838e02e878782f5f6c0ba9

Download Submit
\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build2.exe

Filesize
247KB

MD5
1f7efac73d987dae200e36922267d8c6

SHA1
a1bb90007d2e00025953c13ca742d767ebcce27e

SHA256
5719504e2f4e976c8ce6fbfda399b80273e783ff05f61dfd1f1bd4737f0bde8a

SHA512
75ef83a7e079e553a98e60dd73a9eebbaa793ced7bbd8a712a8f7f363349456d12b3766481d03d00f376cf31c4697afd934eb9b29a2e70727a70a9f463d03bed

Download Submit
\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build2.exe

Filesize
69KB

MD5
0e2f20636d553cdf86bac9174f2a65e0

SHA1
6bfcbf77c6e06eb26972db8eb3a63116143bd184

SHA256
535208c95ca590655769df5a9896deb52c1875bf8cd255f2ba522c0619d0d34a

SHA512
5f0ad26460bd6d4eb4db8b5c1e9826a851258b1568d80d2202b6f2a87b6431d1ed9e0c7f77d16d6a4b57f3836903009c158f81f7040bfadf2faeb69fa0207ecb

Download Submit
\Users\Admin\AppData\Local\e964e7c3-85ea-4fe2-9b0b-b834fa4cd075\build3.exe

Filesize
299KB

MD5
41b883a061c95e9b9cb17d4ca50de770

SHA1
1daf96ec21d53d9a4699cea9b4db08cda6fbb5ad

SHA256
fef2c8ca07c500e416fd7700a381c39899ee26ce1119f62e7c65cf922ce8b408

SHA512
cdd1bb3a36182575cd715a52815765161eeaa3849e72c1c2a9a4e84cc43af9f8ec4997e642702bb3de41f162d2e8fd8717f6f8302bba5306821ee4d155626319

Download Submit
memory/296-358-0x00000000008C0000-0x00000000009C0000-memory.dmp

Filesize
1024KB

Download
memory/1208-173-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1208-323-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1208-171-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1208-170-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1208-167-0x0000000000400000-0x000000000063D000-memory.dmp

Filesize
2.2MB

Download
memory/1288-411-0x0000000000920000-0x0000000000A20000-memory.dmp

Filesize
1024KB

Download
memory/1604-193-0x0000000000922000-0x0000000000933000-memory.dmp

Filesize
68KB

Download
memory/1604-196-0x0000000000230000-0x0000000000234000-memory.dmp

Filesize
16KB

Download
memory/1644-123-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-111-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-146-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-147-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-143-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-145-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-184-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-139-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-137-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1644-136-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/1960-163-0x00000000009E0000-0x0000000000AE0000-memory.dmp

Filesize
1024KB

Download
memory/1960-166-0x0000000000220000-0x000000000024A000-memory.dmp

Filesize
168KB

Download
memory/2076-384-0x0000000000980000-0x0000000000A80000-memory.dmp

Filesize
1024KB

Download
memory/2132-2-0x00000000021F0000-0x000000000230B000-memory.dmp

Filesize
1.1MB

Download
memory/2132-0-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/2132-1-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/2132-7-0x0000000000320000-0x00000000003B2000-memory.dmp

Filesize
584KB

Download
memory/2336-199-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2336-191-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2336-197-0x0000000000400000-0x0000000000406000-memory.dmp

Filesize
24KB

Download
memory/2452-28-0x00000000002E0000-0x0000000000372000-memory.dmp

Filesize
584KB

Download
memory/2452-112-0x00000000002E0000-0x0000000000372000-memory.dmp

Filesize
584KB

Download
memory/2552-330-0x0000000000860000-0x0000000000960000-memory.dmp

Filesize
1024KB

Download
memory/2656-8-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2656-3-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2656-9-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2656-5-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download
memory/2656-27-0x0000000000400000-0x0000000000537000-memory.dmp

Filesize
1.2MB

Download