vidar | 21d0c8bd4259092f58fbce63156b278fb093108a37a563fa6f6694dc2848702e

Analysis

max time kernel
148s
max time network
157s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 10:43

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General

Target
3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe
Size 234KB
Sample240402-msmdsafe7t
SHA256 3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5
MD5 47573a5a6be2c7209517807e507f4e9c
SHA1 b0d0d999c9855c95f6c4e739b8d873ff4b6b940c
SHA512 9bea8f64b374fcfd9dc343379b220bc71aa83090f5798eab229c511bd5ecb52c88c56d38b0f860ed410dc59bb19477216c99c961a87e291be262333fd8c3c99b
SSDEEP 6144:5qLFfq23vFmPFvyYrNFOqTOTWZ/gFOnWyqSwgcnRtabUAl:EN/EPFvPr3OI/gFT/SBJbUk
MD5 SHA1 SHA512 SSDEEP

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/1588-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1588-7-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/1588-9-0x0000000000400000-0x0000000000648000-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 1632 set thread context of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4416	1632	WerFault.exe	84
2084	1588	WerFault.exe	87

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87
PID 1632 wrote to memory of 1588	1632	3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe	87

C:\Users\Admin\AppData\Local\Temp\3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe
"C:\Users\Admin\AppData\Local\Temp\3c40413f9340d25dc7f2c4358583706b1eb19962cb74669bf8276597e871faf5.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:1588
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1588 -s 2064
    3⤵
    - Program crash
    PID:2084
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1632 -s 808
  2⤵
  - Program crash
  PID:4416

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 1632 -ip 1632
1⤵
PID:1628

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1588 -ip 1588
1⤵
PID:3020

Network

MITRE ATT&CK Matrix

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Downloads

memory/1588-4-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1588-7-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1588-9-0x0000000000400000-0x0000000000648000-memory.dmp

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memory/1632-0-0x0000000000FF0000-0x000000000102C000-memory.dmp

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memory/1632-1-0x0000000075100000-0x00000000758B0000-memory.dmp

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memory/1632-10-0x0000000003430000-0x0000000005430000-memory.dmp

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memory/1632-14-0x0000000075100000-0x00000000758B0000-memory.dmp

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Analysis

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General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

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Downloads