vidar | 10fa9bec5a8f28768c36a28b7c3eb7b69e3d25c4ee6985fe50c3fa874d9f50d6

Analysis

max time kernel
94s
max time network
100s
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, 13:14

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General

Target
59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe
Size 234KB
Sample240402-qgndgsbc37
SHA256 59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142
MD5 a17efa3f07ace71dea8c084c1a502f36
SHA1 08c0d817dfef6c1ce36dc1c20390f5c8f7ebee07
SHA512 9e2e6d458fbb66af052635fde8a017cdb0a9bce5d839cb8b8deae79a63544ee3b2a5c87bb352c9a5c2079c63a9e450e712345629244c30e28d3d3625518c2681
SSDEEP 6144:a+DGkIHUIHBZpFVa1QEiJGoWsEWVLNjTqN:xNtqZp+9iJG23NjeN
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/4468-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4468-7-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/4468-10-0x0000000000400000-0x0000000000648000-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 4256 set thread context of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4044	4256	WerFault.exe	83
3704	4468	WerFault.exe	88

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 4256 wrote to memory of 4616	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	86
PID 4256 wrote to memory of 4616	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	86
PID 4256 wrote to memory of 4616	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	86
PID 4256 wrote to memory of 2632	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	87
PID 4256 wrote to memory of 2632	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	87
PID 4256 wrote to memory of 2632	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	87
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88
PID 4256 wrote to memory of 4468	4256	59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe	88

C:\Users\Admin\AppData\Local\Temp\59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe
"C:\Users\Admin\AppData\Local\Temp\59d959aea023ad0840ab3694261ba36c4590f65f07ad5e500e791c64a3455142.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4256
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4616
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2632
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4468
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 2124
    3⤵
    - Program crash
    PID:3704
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4256 -s 884
  2⤵
  - Program crash
  PID:4044

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4256 -ip 4256
1⤵
PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4468 -ip 4468
1⤵
PID:1748

Network

MITRE ATT&CK Matrix

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Downloads

memory/4256-0-0x00000000004A0000-0x00000000004DC000-memory.dmp

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memory/4256-1-0x0000000074640000-0x0000000074DF0000-memory.dmp

Download

memory/4256-9-0x00000000028E0000-0x00000000048E0000-memory.dmp

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memory/4256-11-0x0000000074640000-0x0000000074DF0000-memory.dmp

Download

memory/4468-4-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/4468-7-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/4468-10-0x0000000000400000-0x0000000000648000-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