vidar | ef3b48f619d531c43699dfdaa768c2be6b27eb77778700cffdec3cde0685cf1f

General

Target

58e8612ccf7d25efd986141e6221a7c3.exe
Size

543KB
MD5

58e8612ccf7d25efd986141e6221a7c3
SHA1

d276b7fa97e6acbb825e209635d5b61ca08472c5
SHA256

ef3b48f619d531c43699dfdaa768c2be6b27eb77778700cffdec3cde0685cf1f
SHA512

7219ca6041c4a91c785dc98ebd12aa1ba3d0f0047f30ed0edf66600213483555dc8bf6a41614313620b3202479c3992750ffe6359a0057d125aed32cfa89fdc9
SSDEEP

12288:kMTcnxOZuX86JY1oowOZ6XxAiVrjJgostVtokiQl:kPs8XfeXv6T7YHtokiQl

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/2536-4-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2536-8-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2536-7-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2536-67-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

58e8612ccf7d25efd986141e6221a7c3.exe

description pid process target process

PID 2356 set thread context of 2536 2356 58e8612ccf7d25efd986141e6221a7c3.exe 58e8612ccf7d25efd986141e6221a7c3.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1688 2536 WerFault.exe 58e8612ccf7d25efd986141e6221a7c3.exe

description	pid	process	target process
PID 2356 set thread context of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe

pid	pid_target	process	target process
1688	2536	WerFault.exe	58e8612ccf7d25efd986141e6221a7c3.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

58e8612ccf7d25efd986141e6221a7c3.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	58e8612ccf7d25efd986141e6221a7c3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	58e8612ccf7d25efd986141e6221a7c3.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	58e8612ccf7d25efd986141e6221a7c3.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

58e8612ccf7d25efd986141e6221a7c3.exe

description pid process

Token: SeDebugPrivilege 2356 58e8612ccf7d25efd986141e6221a7c3.exe

description	pid	process
Token: SeDebugPrivilege	2356	58e8612ccf7d25efd986141e6221a7c3.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

58e8612ccf7d25efd986141e6221a7c3.exe58e8612ccf7d25efd986141e6221a7c3.exe

description	pid	process	target process
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2356 wrote to memory of 2536	2356	58e8612ccf7d25efd986141e6221a7c3.exe	58e8612ccf7d25efd986141e6221a7c3.exe
PID 2536 wrote to memory of 1688	2536	58e8612ccf7d25efd986141e6221a7c3.exe	WerFault.exe
PID 2536 wrote to memory of 1688	2536	58e8612ccf7d25efd986141e6221a7c3.exe	WerFault.exe
PID 2536 wrote to memory of 1688	2536	58e8612ccf7d25efd986141e6221a7c3.exe	WerFault.exe
PID 2536 wrote to memory of 1688	2536	58e8612ccf7d25efd986141e6221a7c3.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\58e8612ccf7d25efd986141e6221a7c3.exe
"C:\Users\Admin\AppData\Local\Temp\58e8612ccf7d25efd986141e6221a7c3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2356

C:\Users\Admin\AppData\Local\Temp\58e8612ccf7d25efd986141e6221a7c3.exe
C:\Users\Admin\AppData\Local\Temp\58e8612ccf7d25efd986141e6221a7c3.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2536

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2536 -s 880
3⤵
- Program crash
PID:1688

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
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6222.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/2356-0-0x0000000000220000-0x00000000002AC000-memory.dmp

Filesize
560KB

Download
memory/2356-1-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2356-2-0x00000000048E0000-0x0000000004920000-memory.dmp

Filesize
256KB

Download
memory/2356-3-0x00000000002B0000-0x00000000002C4000-memory.dmp

Filesize
80KB

Download
memory/2356-6-0x00000000748B0000-0x0000000074F9E000-memory.dmp

Filesize
6.9MB

Download
memory/2536-4-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2536-8-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2536-7-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2536-67-0x0000000000400000-0x00000000004A1000-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