vidar | 598d944c8f0ef8d8536487bb9b62ff8fbf6758b37da5132e17fb31e07acddc65

General

Target

784d1f5c2ef013a0523ca0616f62698d.exe
Size

2.4MB
MD5

784d1f5c2ef013a0523ca0616f62698d
SHA1

e4c76b676705a8ffcecb6fc8a9c2424300c9bd6c
SHA256

598d944c8f0ef8d8536487bb9b62ff8fbf6758b37da5132e17fb31e07acddc65
SHA512

3d08427e5fa3bf1cc31d0e8b97564c977ae8ea74afb5c3b2d87e36c63213148a85d84cd4a6f4a3d694459a79474f370b9cd131469f6a57e6c6ff6683038d7998
SSDEEP

24576:6mxGB0x427UGZgDcF8B9JgQLsuJp+t/wF1FWQ70JKlXQPsnrjv/pbxH0LGn5LtpL:6H

Score

10^/10

vidar 921 stealer

Malware Config

Extracted

Family

vidar

Version

40.1

Botnet

921

C2

https://eduarroma.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral1/memory/1884-6-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1884-9-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1884-11-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1884-13-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral1/memory/1884-67-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

Processes:

784d1f5c2ef013a0523ca0616f62698d.exe

description pid process target process

PID 1680 set thread context of 1884 1680 784d1f5c2ef013a0523ca0616f62698d.exe 784d1f5c2ef013a0523ca0616f62698d.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2996 1884 WerFault.exe 784d1f5c2ef013a0523ca0616f62698d.exe

description	pid	process	target process
PID 1680 set thread context of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe

pid	pid_target	process	target process
2996	1884	WerFault.exe	784d1f5c2ef013a0523ca0616f62698d.exe

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

Processes:

784d1f5c2ef013a0523ca0616f62698d.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	784d1f5c2ef013a0523ca0616f62698d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	784d1f5c2ef013a0523ca0616f62698d.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	784d1f5c2ef013a0523ca0616f62698d.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

784d1f5c2ef013a0523ca0616f62698d.exe784d1f5c2ef013a0523ca0616f62698d.exe

description	pid	process	target process
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1680 wrote to memory of 1884	1680	784d1f5c2ef013a0523ca0616f62698d.exe	784d1f5c2ef013a0523ca0616f62698d.exe
PID 1884 wrote to memory of 2996	1884	784d1f5c2ef013a0523ca0616f62698d.exe	WerFault.exe
PID 1884 wrote to memory of 2996	1884	784d1f5c2ef013a0523ca0616f62698d.exe	WerFault.exe
PID 1884 wrote to memory of 2996	1884	784d1f5c2ef013a0523ca0616f62698d.exe	WerFault.exe
PID 1884 wrote to memory of 2996	1884	784d1f5c2ef013a0523ca0616f62698d.exe	WerFault.exe

C:\Users\Admin\AppData\Local\Temp\784d1f5c2ef013a0523ca0616f62698d.exe
"C:\Users\Admin\AppData\Local\Temp\784d1f5c2ef013a0523ca0616f62698d.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1680

C:\Users\Admin\AppData\Local\Temp\784d1f5c2ef013a0523ca0616f62698d.exe
C:\Users\Admin\AppData\Local\Temp\784d1f5c2ef013a0523ca0616f62698d.exe
2⤵
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1884 -s 892
3⤵
- Program crash
PID:2996

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\Local\Temp\Cab5FBE.tmp
Filesize
65KB

MD5
ac05d27423a85adc1622c714f2cb6184

SHA1
b0fe2b1abddb97837ea0195be70ab2ff14d43198

SHA256
c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

SHA512
6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar6000.tmp
Filesize
171KB

MD5
9c0c641c06238516f27941aa1166d427

SHA1
64cd549fb8cf014fcd9312aa7a5b023847b6c977

SHA256
4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

SHA512
936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

Download Submit
memory/1680-12-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/1680-0-0x00000000008F0000-0x0000000000B54000-memory.dmp

Filesize
2.4MB

Download
memory/1680-2-0x0000000000660000-0x00000000006A0000-memory.dmp

Filesize
256KB

Download
memory/1680-1-0x0000000073E10000-0x00000000744FE000-memory.dmp

Filesize
6.9MB

Download
memory/1884-3-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-11-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-5-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-9-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-4-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-13-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-7-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1884-6-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/1884-67-0x0000000000400000-0x00000000004A1000-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