vidar | 58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0

Analysis

max time kernel
95s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-01-2025 02:25

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General

Target

58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe
Size

500KB
MD5

29d08dc04094d437a685e46db50d80a4
SHA1

6cf1d4d30fb7ddfeb97b2e5167b8f5ec69bf9b3e
SHA256

58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0
SHA512

84ddfac2abf6e546d8e7e4757262f200c528c2051a7cc92bb7a6c83adafdd0ec5e011813329745ba5589475fbecf7ae3825bf359264390978508c1c6f5ce145c
SSDEEP

12288:zA0WoeZUvaamvY7kmA7YJCMKKvTKbkL+Kawd:00XVpmQntvKKvgxBW

Score

10^/10

vidar fc0stn discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

fc0stn

https://t.me/w0ctzn

https://steamcommunity.com/profiles/76561199817305251

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:131.0) Gecko/20100101 Firefox/131.0

Signatures

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4204 set thread context of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3660	4204	WerFault.exe	83

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	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84
PID 4204 wrote to memory of 2668	4204	58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe	84

C:\Users\Admin\AppData\Local\Temp\58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe
"C:\Users\Admin\AppData\Local\Temp\58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4204
- C:\Users\Admin\AppData\Local\Temp\58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe
  "C:\Users\Admin\AppData\Local\Temp\58ade81f8abeefd49c3e1d77bf7284e2ccb15e5e56622c39a5a5e98eafd61eb0.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4204 -s 784
  2⤵
  - Program crash
  PID:3660

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4204 -ip 4204
1⤵
PID:4948

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

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Downloads

memory/2668-4-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2668-5-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2668-6-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2668-8-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/2668-15-0x0000000000400000-0x0000000000460000-memory.dmp

Filesize
384KB

Download
memory/4204-0-0x00000000744DE000-0x00000000744DF000-memory.dmp

Filesize
4KB

Download
memory/4204-1-0x0000000000580000-0x0000000000602000-memory.dmp

Filesize
520KB

Download
memory/4204-2-0x0000000005370000-0x0000000005914000-memory.dmp

Filesize
5.6MB

Download
memory/4204-7-0x00000000744D0000-0x0000000074C80000-memory.dmp

Filesize
7.7MB

Download