vidar | 32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
23-11-2024 09:02

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General

Target

32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe
Size

1.2MB
MD5

a8f61218ef388853e4f96095848677cd
SHA1

2455889d25aa50ad1d390fe310c4707ef20c7e47
SHA256

32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2
SHA512

6762d3eda832b19c5eaaa360e9446bfbf63f191e0f6ddf0aafd950320a7d53c60cd22518fde3ac5b95f6201bac6d4b915c66dfd9287dfb952ea79e1bb758f135
SSDEEP

24576:deeuI73ROoGgF9Wu6lqlJ39o16PFViLxmaJ9spcGHcd3fV2ZpGw1bBm:dpuI73T59Pwk9xPDcNGIPV2Hr1m

Score

10^/10

vidar discovery stealer

Malware Config

Signatures

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

Vidar Stealer 2 IoCs

stealer

resource	yara_rule
behavioral2/memory/2180-3-0x000000001CBE0000-0x000000001CCBC000-memory.dmp	family_vidar
behavioral2/files/0x000b000000023b74-8.dat	family_vidar

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe

Executes dropped EXE 1 IoCs

pid	Process
3044	build.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4404	3044	WerFault.exe	83

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	build.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2180 wrote to memory of 3044	2180	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	83
PID 2180 wrote to memory of 3044	2180	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	83
PID 2180 wrote to memory of 3044	2180	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	83

C:\Users\Admin\AppData\Local\Temp\32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe
"C:\Users\Admin\AppData\Local\Temp\32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\build.exe
  "C:\Users\Admin\AppData\Local\Temp\build.exe"
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:3044
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3044 -s 1740
    3⤵
    - Program crash
    PID:4404

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3044 -ip 3044
1⤵
PID:1072

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Local\Temp\build.exe

Filesize
848KB

MD5
eafba1017e94765780d8a5b182d4c325

SHA1
7968d32aa44d2c66dc670841d86ef8dba376128f

SHA256
0d50080d7267c71894ccfd698c1ef6369cf2b1b182f903c6b8cbab8e1fb524e3

SHA512
31ff0f70cafc20e71cbe4e574b4c1460dbb77e85815339bbe191b41c771da1faa201f5fc95ab10a9b8e707df590431060e7c9d7cb8c15bd275523e1d78be2aaa

Download Submit
memory/2180-0-0x00007FFED1093000-0x00007FFED1095000-memory.dmp

Filesize
8KB

Download
memory/2180-1-0x0000000000FB0000-0x00000000010DA000-memory.dmp

Filesize
1.2MB

Download
memory/2180-2-0x000000001D140000-0x000000001D2E2000-memory.dmp

Filesize
1.6MB

Download
memory/2180-3-0x000000001CBE0000-0x000000001CCBC000-memory.dmp

Filesize
880KB

Download