vidar | 5a226e5207d7ea2c0e14abb068268a55bc974bdfe17181f6982b92a0a7fedcf2

General

Target

c5bc645f578d60725e7c38b3ef9c8352.exe
Size

500KB
MD5

c5bc645f578d60725e7c38b3ef9c8352
SHA1

c1933c1befcd21acc807991c2d0de2e3637988b5
SHA256

5a226e5207d7ea2c0e14abb068268a55bc974bdfe17181f6982b92a0a7fedcf2
SHA512

9c07208f081f828becc0091232e908a7efa744647541f599d874e22a8b1b0a5297d4044c201996809af6fb17836bc2c0dc91671a528083f213a8b0202fffd1d6
SSDEEP

12288:xcgBxxOZuX86JY1oowOZ6XxAiVrjJgostVHUdG:1s8XfeXv6T7YH0dG

Score

10^/10

vidar 921 stealer

Malware Config

Extracted

Family

vidar

Version

39.8

Botnet

921

C2

https://xeronxikxxx.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 4 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/2624-4-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2624-7-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2624-8-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2624-66-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exe

description pid process target process

PID 1712 set thread context of 2624 1712 c5bc645f578d60725e7c38b3ef9c8352.exe c5bc645f578d60725e7c38b3ef9c8352.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2856 2624 WerFault.exe c5bc645f578d60725e7c38b3ef9c8352.exe

description	pid	process	target process
PID 1712 set thread context of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe

pid	pid_target	process	target process
2856	2624	WerFault.exe	c5bc645f578d60725e7c38b3ef9c8352.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	c5bc645f578d60725e7c38b3ef9c8352.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	c5bc645f578d60725e7c38b3ef9c8352.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	c5bc645f578d60725e7c38b3ef9c8352.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exe

description pid process

Token: SeDebugPrivilege 1712 c5bc645f578d60725e7c38b3ef9c8352.exe

description	pid	process
Token: SeDebugPrivilege	1712	c5bc645f578d60725e7c38b3ef9c8352.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

c5bc645f578d60725e7c38b3ef9c8352.exec5bc645f578d60725e7c38b3ef9c8352.exe

description	pid	process	target process
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 1712 wrote to memory of 2624	1712	c5bc645f578d60725e7c38b3ef9c8352.exe	c5bc645f578d60725e7c38b3ef9c8352.exe
PID 2624 wrote to memory of 2856	2624	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe
PID 2624 wrote to memory of 2856	2624	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe
PID 2624 wrote to memory of 2856	2624	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe
PID 2624 wrote to memory of 2856	2624	c5bc645f578d60725e7c38b3ef9c8352.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe
"C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe
C:\Users\Admin\AppData\Local\Temp\c5bc645f578d60725e7c38b3ef9c8352.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2624

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2624 -s 872
3⤵
- Program crash
PID:2856

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Subvert Trust Controls

1

T1553

Install Root Certificate

Modify Registry

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar67A0.tmp
Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
memory/1712-0-0x0000000000B00000-0x0000000000B80000-memory.dmp

Filesize
512KB

Download
memory/1712-1-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-2-0x00000000048D0000-0x0000000004910000-memory.dmp

Filesize
256KB

Download
memory/1712-3-0x00000000004B0000-0x00000000004C4000-memory.dmp

Filesize
80KB

Download
memory/1712-6-0x0000000074690000-0x0000000074D7E000-memory.dmp

Filesize
6.9MB

Download
memory/2624-4-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2624-7-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2624-8-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2624-66-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

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Downloads