vidar | c4193cd5a72e0ac786e4bd3bf4ee44ff4af3eca8f5fea05cf4fc1d27e0934681

Analysis

max time kernel
98s
max time network
113s
platform
windows10-2004_x64
resource
win10v2004-20240412-en
resource tags

arch:x64arch:x86image:win10v2004-20240412-enlocale:en-usos:windows10-2004-x64system
submitted
17/04/2024, 12:59

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General

Target

58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe
Size

234KB
MD5

d0492d61a010c75b69a21b31761ac655
SHA1

0168759aebd253fed1dd89a44d260f6eadc94a2d
SHA256

58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff
SHA512

e4552a5bcf7f6b7911a87873d6d168d44f4ab0f351c822b5ec3b14b5db359ce0fadecac7bc032111197243b79047cbe1203e4fa9afc558c9f9e2a0ecb28eb52d
SSDEEP

6144:AhAZ0mc86LHVUCAlfzHORKOrfIrIEgcNxHookuvxNimwE5R:ImcJLHVpAl7o3rfwrYt+7/r

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199658817715

https://t.me/sa9ok

Attributes

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 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/4416-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4416-7-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4416-10-0x0000000000400000-0x0000000000648000-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 4592 set thread context of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1940	4592	WerFault.exe	84
4412	4416	WerFault.exe	88

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4592 wrote to memory of 3988	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	86
PID 4592 wrote to memory of 3988	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	86
PID 4592 wrote to memory of 3988	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	86
PID 4592 wrote to memory of 764	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	87
PID 4592 wrote to memory of 764	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	87
PID 4592 wrote to memory of 764	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	87
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88
PID 4592 wrote to memory of 4416	4592	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	88

C:\Users\Admin\AppData\Local\Temp\58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe
"C:\Users\Admin\AppData\Local\Temp\58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4592
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:3988
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:764
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4416
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4416 -s 2088
    3⤵
    - Program crash
    PID:4412
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4592 -s 816
  2⤵
  - Program crash
  PID:1940

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4592 -ip 4592
1⤵
PID:2336

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4416 -ip 4416
1⤵
PID:3960

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/4416-4-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4416-7-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4416-10-0x0000000000400000-0x0000000000648000-memory.dmp

Filesize
2.3MB

Download
memory/4592-0-0x0000000000CB0000-0x0000000000CEC000-memory.dmp

Filesize
240KB

Download
memory/4592-1-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download
memory/4592-9-0x0000000003100000-0x0000000005100000-memory.dmp

Filesize
32.0MB

Download
memory/4592-11-0x0000000074550000-0x0000000074D00000-memory.dmp

Filesize
7.7MB

Download