vidar | 82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f

General

Target

82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe
Size

5.9MB
MD5

4a12627abc0bc81999b528b264dd6b27
SHA1

1076e57d550e49c76ca735cba91eb3a9e933620f
SHA256

82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f
SHA512

f9ab3dfb048930b4913464f37c4d5acf43b2ac476f2f3fd7932f013efa03714c81e08b62a993d78a828998789243d903187454245b672446be4f35d10b6f806a
SSDEEP

98304:2fkYaWUMbISH/to2jxTukGtk2n0gfMu240jJR6/VAysCe1HmhqSt/meH0HmS1usT:2lbFH/62jxl20WMuZon6/V0Ce1GhVX09

Score

10^/10

vidar c9a7b13a063151a52c8c896ac3a26a35 stealer

Malware Config

Extracted

Family

vidar

Version

8.6

Botnet

c9a7b13a063151a52c8c896ac3a26a35

C2

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes

profile_id_v2
c9a7b13a063151a52c8c896ac3a26a35
user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/2876-2-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	family_vidar_v7
behavioral1/memory/2876-5-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	family_vidar_v7
behavioral1/memory/2876-37-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	family_vidar_v7
behavioral1/memory/2876-77-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	family_vidar_v7

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

Detects Windows executables referencing non-Windows User-Agents 4 IoCs

resource	yara_rule
behavioral1/memory/2876-2-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2876-5-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2876-37-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
behavioral1/memory/2876-77-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 4 IoCs

resource	yara_rule
behavioral1/memory/2876-2-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2876-5-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2876-37-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
behavioral1/memory/2876-77-0x0000000000EA0000-0x0000000001BBB000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2508	2876	WerFault.exe	27

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

description	ioc	Process
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 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	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2876	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2508	2876	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe	30
PID 2876 wrote to memory of 2508	2876	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe	30
PID 2876 wrote to memory of 2508	2876	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe	30
PID 2876 wrote to memory of 2508	2876	82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe	30

C:\Users\Admin\AppData\Local\Temp\82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe
"C:\Users\Admin\AppData\Local\Temp\82143303ab89d92c5f04c2b343042a4ed5ec0fcc99deb6fa97b20d4c4e43de0f.exe"
1⤵
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2876 -s 1408
  2⤵
  - Program crash
  PID:2508

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Subvert Trust Controls

1

T1553

Install Root Certificate

1

T1553.004

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

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

Filesize
68KB

MD5
29f65ba8e88c063813cc50a4ea544e93

SHA1
05a7040d5c127e68c25d81cc51271ffb8bef3568

SHA256
1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

SHA512
e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar32CB.tmp

Filesize
177KB

MD5
435a9ac180383f9fa094131b173a2f7b

SHA1
76944ea657a9db94f9a4bef38f88c46ed4166983

SHA256
67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

SHA512
1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

Download Submit
memory/2876-19-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2876-16-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2876-7-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2876-31-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2876-29-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/2876-26-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2876-24-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/2876-21-0x0000000000130000-0x0000000000131000-memory.dmp

Filesize
4KB

Download
memory/2876-0-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/2876-6-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/2876-14-0x0000000000120000-0x0000000000121000-memory.dmp

Filesize
4KB

Download
memory/2876-11-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2876-9-0x0000000000110000-0x0000000000111000-memory.dmp

Filesize
4KB

Download
memory/2876-5-0x0000000000EA0000-0x0000000001BBB000-memory.dmp

Filesize
13.1MB

Download
memory/2876-37-0x0000000000EA0000-0x0000000001BBB000-memory.dmp

Filesize
13.1MB

Download
memory/2876-3-0x0000000000100000-0x0000000000101000-memory.dmp

Filesize
4KB

Download
memory/2876-2-0x0000000000EA0000-0x0000000001BBB000-memory.dmp

Filesize
13.1MB

Download
memory/2876-77-0x0000000000EA0000-0x0000000001BBB000-memory.dmp

Filesize
13.1MB

Download

Analysis

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