vidar | 81f0ea7ee9873de0118f7a630ea06da4072c8bd582ed4dc753a0124e1adb1584

General

Target

b145481b3a46c0e94f36eb367b4fb547.exe
Size

502KB
MD5

b145481b3a46c0e94f36eb367b4fb547
SHA1

2206daf1a6e4ff8706df648888caa3bdbe5a8d6e
SHA256

81f0ea7ee9873de0118f7a630ea06da4072c8bd582ed4dc753a0124e1adb1584
SHA512

272a600c0586ef8525ad5c5c5698afbe35c65d7f9d2bb8222ba372077dc095e3159b5a973f190d67dc6e36bb56c76770f21ec36748ca18dab95c74273d0de1e3
SSDEEP

12288:YEF5nudgzNv4IG3MQLQ+RSKua8PB3JsdAZvfGA2ngUSA:YE+dgSIV0Q+vbSsdAZHOxSA

Score

10^/10

vidar 921 stealer

Malware Config

Extracted

Family

vidar

Version

39.7

Botnet

921

C2

https://shpak125.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/2544-4-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2544-8-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2544-7-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/2544-67-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

b145481b3a46c0e94f36eb367b4fb547.exe

description pid process target process

PID 1712 set thread context of 2544 1712 b145481b3a46c0e94f36eb367b4fb547.exe b145481b3a46c0e94f36eb367b4fb547.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

1872 2544 WerFault.exe b145481b3a46c0e94f36eb367b4fb547.exe

description	pid	process	target process
PID 1712 set thread context of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe

pid	pid_target	process	target process
1872	2544	WerFault.exe	b145481b3a46c0e94f36eb367b4fb547.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

b145481b3a46c0e94f36eb367b4fb547.exe

description	ioc	process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b145481b3a46c0e94f36eb367b4fb547.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	b145481b3a46c0e94f36eb367b4fb547.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	b145481b3a46c0e94f36eb367b4fb547.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

b145481b3a46c0e94f36eb367b4fb547.exe

description pid process

Token: SeDebugPrivilege 1712 b145481b3a46c0e94f36eb367b4fb547.exe

description	pid	process
Token: SeDebugPrivilege	1712	b145481b3a46c0e94f36eb367b4fb547.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

b145481b3a46c0e94f36eb367b4fb547.exeb145481b3a46c0e94f36eb367b4fb547.exe

description	pid	process	target process
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 1712 wrote to memory of 2544	1712	b145481b3a46c0e94f36eb367b4fb547.exe	b145481b3a46c0e94f36eb367b4fb547.exe
PID 2544 wrote to memory of 1872	2544	b145481b3a46c0e94f36eb367b4fb547.exe	WerFault.exe
PID 2544 wrote to memory of 1872	2544	b145481b3a46c0e94f36eb367b4fb547.exe	WerFault.exe
PID 2544 wrote to memory of 1872	2544	b145481b3a46c0e94f36eb367b4fb547.exe	WerFault.exe
PID 2544 wrote to memory of 1872	2544	b145481b3a46c0e94f36eb367b4fb547.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\b145481b3a46c0e94f36eb367b4fb547.exe
"C:\Users\Admin\AppData\Local\Temp\b145481b3a46c0e94f36eb367b4fb547.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1712

C:\Users\Admin\AppData\Local\Temp\b145481b3a46c0e94f36eb367b4fb547.exe
C:\Users\Admin\AppData\Local\Temp\b145481b3a46c0e94f36eb367b4fb547.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2544 -s 880
3⤵
- Program crash
PID:1872

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

Replay Monitor

Loading Replay Monitor...

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\Tar6C01.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1712-0-0x0000000001320000-0x00000000013A0000-memory.dmp

Filesize
512KB

Download
memory/1712-1-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/1712-2-0x0000000001210000-0x0000000001250000-memory.dmp

Filesize
256KB

Download
memory/1712-3-0x0000000000340000-0x0000000000354000-memory.dmp

Filesize
80KB

Download
memory/1712-6-0x0000000074440000-0x0000000074B2E000-memory.dmp

Filesize
6.9MB

Download
memory/2544-4-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2544-8-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2544-7-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2544-67-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v13

Replay Monitor

Loading Replay Monitor...

Downloads