vidar | b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216

General

Target

b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe
Size

439KB
MD5

7ac3d045fabcf67626b3515daebf4e98
SHA1

7595d275aa0c8c17641065601b7d52468c214471
SHA256

b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216
SHA512

dc74055191869eb74a2ce6a23b98f87c0b13f153eec09e7332570cd09b27d233ee57a3b50f0a7ad8d67e3f5eff04d5971822fb611c9853822dca425cf9f7d9e5
SSDEEP

6144:3FrVg9gU+57nzigO8CyekZVO9lsCtFCmsDNnEzGZK2dRt31Wh6ehSD:34q57nziZ+ekZV9UfsuzgL2Yeu

Score

10^/10

vidar zgrat 4bdee70ef97ecade3f5bde57c699bd29 rat stealer

Malware Config

Extracted

Family

vidar

Version

8.2

Botnet

4bdee70ef97ecade3f5bde57c699bd29

C2

https://steamcommunity.com/profiles/76561199651834633

https://t.me/raf6ik

Attributes

profile_id_v2
4bdee70ef97ecade3f5bde57c699bd29
user_agent
Mozilla/5.0 (Windows NT 10.0; rv:109.0) Gecko/20100101 Firefox/115.0

Signatures

Detect Vidar Stealer 6 IoCs

stealer

resource	yara_rule
behavioral1/memory/2480-11-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2480-16-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2480-20-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2480-13-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2480-12-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7
behavioral1/memory/2480-22-0x0000000000400000-0x0000000000644000-memory.dmp	family_vidar_v7

Detect ZGRat V1 2 IoCs

resource	yara_rule
behavioral1/memory/1224-0-0x00000000009E0000-0x0000000000A50000-memory.dmp	family_zgrat_v1
behavioral1/memory/1224-2-0x0000000004BC0000-0x0000000004C00000-memory.dmp	family_zgrat_v1

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
ZGRat
ZGRat is remote access trojan written in C#.
rat zgrat

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1224 set thread context of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1904	2480	WerFault.exe	30

Modifies system certificate store 2 TTPs 3 IoCs

evasion spyware trojan

Install Root Certificate

T1553.004

Modify Registry

T1112

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

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2460	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	29
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 1224 wrote to memory of 2480	1224	b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe	30
PID 2480 wrote to memory of 1904	2480	RegAsm.exe	33
PID 2480 wrote to memory of 1904	2480	RegAsm.exe	33
PID 2480 wrote to memory of 1904	2480	RegAsm.exe	33
PID 2480 wrote to memory of 1904	2480	RegAsm.exe	33

C:\Users\Admin\AppData\Local\Temp\b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe
"C:\Users\Admin\AppData\Local\Temp\b07e0b48bc71cad112c096cba915fdb28853e2c2882c2fdb9c856c6752493216.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2460
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  - Modifies system certificate store
  - Suspicious use of WriteProcessMemory
  PID:2480
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2480 -s 1452
    3⤵
    - Program crash
    PID:1904

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
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar7EC8.tmp

Filesize
159KB

MD5
50f0de4810df679c94cb39ab3b100cee

SHA1
0e013a2db51dcfa6bb1c8e6d520aed94717d738e

SHA256
773bdf611ac837f69b1d096c3017469cf6306ad4ff7a4b9ae665eb87f5c3d54b

SHA512
ca5a88abab884d7dac1484d3adef6bc3bb9ea7c3c4fa6f877642ea6b3fd09d359c14e3f00ca2c648bf72547210761aff4372f4adf3cb6f394085bc24623622ae

Download Submit
memory/1224-0-0x00000000009E0000-0x0000000000A50000-memory.dmp

Filesize
448KB

Download
memory/1224-1-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/1224-2-0x0000000004BC0000-0x0000000004C00000-memory.dmp

Filesize
256KB

Download
memory/1224-9-0x0000000001F80000-0x0000000003F80000-memory.dmp

Filesize
32.0MB

Download
memory/1224-19-0x00000000747A0000-0x0000000074E8E000-memory.dmp

Filesize
6.9MB

Download
memory/2480-16-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-14-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2480-11-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-20-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-13-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-12-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-8-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-22-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-7-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download
memory/2480-5-0x0000000000400000-0x0000000000644000-memory.dmp

Filesize
2.3MB

Download

Analysis

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