vidar | 1d1c8fcae29d9ae99a16b9d9133158215643c2dc861af6c110e0d234a3585498

Analysis

max time kernel
134s
max time network
134s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
23-12-2024 20:53

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General

Target

Loader.exe
Size

2.5MB
MD5

401440d84425fb4c73973fd755ebe95c
SHA1

cbf8069239707461df8daf5a6e1d0813a3b90532
SHA256

831539db1b0f991c89177257a6d70c69e2cf6594526fadec1ec2b2273e0c48cd
SHA512

a702b401880b8bf856a93808f9503531475f1b2732299bd28c4b003a1520dbdde1ec5a8df1e9b2eba41a7770b74afbfec3d151e3d09a6077a00230a6e85173a7
SSDEEP

24576:VnY3YLYK4QklMoxHl3ncv5gSSucJoVXXRKSZEuKQhN/UL5Lw+cwsl3RuQ55313U:VncKRgSNXRDsQhN/UL5M+ql3u

Score

10^/10

vidar 1375 discovery stealer

Malware Config

Extracted

Family

vidar

Version

Botnet

1375

https://t.me/ch_inagroup

https://mastodon.social/@olegf9844e

Attributes

profile_id
1375

Signatures

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

Vidar Stealer 4 IoCs

stealer

resource	yara_rule
behavioral1/memory/367756-10-0x0000000000400000-0x0000000000461000-memory.dmp	family_vidar
behavioral1/memory/367756-3-0x0000000000400000-0x0000000000461000-memory.dmp	family_vidar
behavioral1/memory/367756-11-0x0000000000400000-0x0000000000461000-memory.dmp	family_vidar
behavioral1/memory/2136-12-0x0000000000400000-0x0000000000581000-memory.dmp	family_vidar

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2136 set thread context of 367756	2136	Loader.exe	29

Program crash 1 IoCs

pid	pid_target	Process	procid_target
367800	2136	WerFault.exe	27

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Loader.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AppLaunch.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367756	2136	Loader.exe	29
PID 2136 wrote to memory of 367800	2136	Loader.exe	30
PID 2136 wrote to memory of 367800	2136	Loader.exe	30
PID 2136 wrote to memory of 367800	2136	Loader.exe	30
PID 2136 wrote to memory of 367800	2136	Loader.exe	30

C:\Users\Admin\AppData\Local\Temp\Loader.exe
"C:\Users\Admin\AppData\Local\Temp\Loader.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2136
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:367756
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2136 -s 366332
  2⤵
  - Program crash
  PID:367800

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2136-0-0x00000000004F0000-0x00000000004F1000-memory.dmp

Filesize
4KB

Download
memory/2136-12-0x0000000000400000-0x0000000000581000-memory.dmp

Filesize
1.5MB

Download
memory/367756-10-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/367756-3-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/367756-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/367756-1-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download
memory/367756-11-0x0000000000400000-0x0000000000461000-memory.dmp

Filesize
388KB

Download