vidar | fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e

Analysis

max time kernel
188s
max time network
299s
platform
windows10-1703_x64
resource
win10-20240404-en
resource tags

arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
submitted
29-04-2024 04:28

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General

Target

fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe
Size

1.1MB
MD5

c7cb10eadcca31c88538f972fd657590
SHA1

9b09cdc280601e63579ae2cb64d863a0419d971c
SHA256

fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e
SHA512

9d8efe2b42c5cc99fdc807a9b3d6628c39825b257aef9e81d4b9396b5d3b730307478c047764631fc6b646895c7e92052326dff6e1740fd2ba4eef7904224bd6
SSDEEP

24576:f26YE2EStbC19xq1a9GeWTaaQgUkSMnHJa:fHp19xq1a9QQMHJa

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199677575543

https://t.me/snsb82

Attributes

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

Signatures

Detect Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral2/memory/5048-0-0x0000000000400000-0x000000000064A000-memory.dmp	family_vidar_v7
behavioral2/memory/3272-5-0x0000000000B50000-0x0000000000C6A000-memory.dmp	family_vidar_v7
behavioral2/memory/5048-4-0x0000000000400000-0x000000000064A000-memory.dmp	family_vidar_v7
behavioral2/memory/5048-2-0x0000000000400000-0x000000000064A000-memory.dmp	family_vidar_v7
behavioral2/memory/3272-11-0x0000000000B50000-0x0000000000C6A000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3272 set thread context of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72

Program crash 2 IoCs

pid	pid_target	Process	procid_target
352	3272	WerFault.exe	71
4504	5048	WerFault.exe	72

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72
PID 3272 wrote to memory of 5048	3272	fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe	72

C:\Users\Admin\AppData\Local\Temp\fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe
"C:\Users\Admin\AppData\Local\Temp\fabac53ffc7381edddcaddca2c9b2d647dd30a2e66d62c3cca720349f1e66d4e.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3272
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:5048
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5048 -s 2224
    3⤵
    - Program crash
    PID:4504
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 3272 -s 504
  2⤵
  - Program crash
  PID:352

Network

MITRE ATT&CK Matrix

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Downloads

memory/3272-5-0x0000000000B50000-0x0000000000C6A000-memory.dmp

Filesize
1.1MB

Download
memory/3272-11-0x0000000000B50000-0x0000000000C6A000-memory.dmp

Filesize
1.1MB

Download
memory/5048-0-0x0000000000400000-0x000000000064A000-memory.dmp

Filesize
2.3MB

Download
memory/5048-4-0x0000000000400000-0x000000000064A000-memory.dmp

Filesize
2.3MB

Download
memory/5048-2-0x0000000000400000-0x000000000064A000-memory.dmp

Filesize
2.3MB

Download