vidar | a391af39b144458767e805699ef1964bf65f1e5ca82ef6980796c8af4e86e25c

Analysis

max time kernel
32s
max time network
41s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
06/01/2025, 20:08

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General

Target

JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe
Size

716KB
MD5

37f9ed9d61e6463796aeeb8b72fe3b37
SHA1

0a70b57a1a674a881ca23405532848e31acfe770
SHA256

a391af39b144458767e805699ef1964bf65f1e5ca82ef6980796c8af4e86e25c
SHA512

979565d457ad31a5ad2bda417aa8dace2532083ada0ed1391a017b9a67701c819e9f3dc898a8dba429006e83138eb14ca43b6cbd3a891f50dbaafacb036b53e1
SSDEEP

12288:iy5+Ra2zsSBIwbf7RdLlim3XRxxpHcPn7ux+1t+3+k7XQAT0lDOMUH:x5Obzs6bf733hrlo7q+1t4d7XH

Score

10^/10

vidar 915 discovery stealer

Malware Config

Extracted

Family

vidar

Version

41.5

Botnet

915

https://mas.to/@xeroxxx

Attributes

profile_id
915

Signatures

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

Vidar Stealer 5 IoCs

stealer

resource	yara_rule
behavioral1/memory/2172-2-0x0000000000AA0000-0x0000000000B76000-memory.dmp	family_vidar
behavioral1/memory/2172-3-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar
behavioral1/memory/2172-22-0x0000000000AA0000-0x0000000000B76000-memory.dmp	family_vidar
behavioral1/memory/2172-19-0x0000000000400000-0x00000000008E3000-memory.dmp	family_vidar
behavioral1/memory/2172-20-0x0000000000400000-0x00000000004D9000-memory.dmp	family_vidar

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2704	2172	WerFault.exe	29

System Location Discovery: System Language Discovery 1 TTPs 1 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	JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2172 wrote to memory of 2704	2172	JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe	30
PID 2172 wrote to memory of 2704	2172	JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe	30
PID 2172 wrote to memory of 2704	2172	JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe	30
PID 2172 wrote to memory of 2704	2172	JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe	30

C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe
"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_37f9ed9d61e6463796aeeb8b72fe3b37.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2172 -s 880
  2⤵
  - Program crash
  PID:2704

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/2172-1-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2172-2-0x0000000000AA0000-0x0000000000B76000-memory.dmp

Filesize
856KB

Download
memory/2172-3-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download
memory/2172-22-0x0000000000AA0000-0x0000000000B76000-memory.dmp

Filesize
856KB

Download
memory/2172-19-0x0000000000400000-0x00000000008E3000-memory.dmp

Filesize
4.9MB

Download
memory/2172-21-0x00000000009A0000-0x0000000000AA0000-memory.dmp

Filesize
1024KB

Download
memory/2172-20-0x0000000000400000-0x00000000004D9000-memory.dmp

Filesize
868KB

Download