vidar | 5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706

Analysis

max time kernel
120s
max time network
138s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-11-2024 20:14

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General

Target

start.exe
Size

384KB
MD5

3318168ae9a79bebdbca98281974ea70
SHA1

a1c84b04cd756628f955abd4dec707d946d9a84f
SHA256

5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706
SHA512

ae3e42d079055d75f4c1dc8afe9c994e9d42fbd1e34eb51976f7a8b74895eebd04411649c7661f59286967f2a72e730f8bd2efb670c30335622250dcdd45de61
SSDEEP

6144:kmQ5QhH2pP+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvq9l1:kmQaHOP+Y/KqpmNUHnhh7ZbZ6/31PHtN

Score

10^/10

vidar 1375 discovery stealer

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1375

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

http://167.235.150.8:80

Attributes

profile_id
1375

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

Processes:

start.exe

description	pid	Process	procid_target
PID 1964 set thread context of 2400	1964	start.exe	31

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2544	1964	WerFault.exe	29

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

Processes:

start.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	start.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Suspicious use of WriteProcessMemory 10 IoCs

Processes:

start.exe

description	pid	Process	procid_target
PID 1964 wrote to memory of 2400	1964	start.exe	31
PID 1964 wrote to memory of 2400	1964	start.exe	31
PID 1964 wrote to memory of 2400	1964	start.exe	31
PID 1964 wrote to memory of 2400	1964	start.exe	31
PID 1964 wrote to memory of 2400	1964	start.exe	31
PID 1964 wrote to memory of 2400	1964	start.exe	31
PID 1964 wrote to memory of 2544	1964	start.exe	32
PID 1964 wrote to memory of 2544	1964	start.exe	32
PID 1964 wrote to memory of 2544	1964	start.exe	32
PID 1964 wrote to memory of 2544	1964	start.exe	32

C:\Users\Admin\AppData\Local\Temp\start.exe
"C:\Users\Admin\AppData\Local\Temp\start.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2400
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1964 -s 100
  2⤵
  - Program crash
  PID:2544

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

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

C:\Users\Admin\AppData\Local\Temp\Cab95EB.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar961D.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1964-1-0x00000000000D0000-0x00000000001D0000-memory.dmp

Filesize
1024KB

Download
memory/2400-3-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2400-10-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2400-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2400-8-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download