vidar | 32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2

Analysis

max time kernel
120s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
23-11-2024 09:05

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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
behavioral1/memory/2596-3-0x000000001BC10000-0x000000001BCEC000-memory.dmp	family_vidar
behavioral1/files/0x000a000000012255-8.dat	family_vidar

Executes dropped EXE 1 IoCs

pid	Process
2756	build.exe

Loads dropped DLL 4 IoCs

pid	Process
2552	WerFault.exe
2552	WerFault.exe
2552	WerFault.exe
2552	WerFault.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
2552	2756	WerFault.exe	30

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 8 IoCs

description	pid	Process	procid_target
PID 2596 wrote to memory of 2756	2596	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	30
PID 2596 wrote to memory of 2756	2596	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	30
PID 2596 wrote to memory of 2756	2596	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	30
PID 2596 wrote to memory of 2756	2596	32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe	30
PID 2756 wrote to memory of 2552	2756	build.exe	31
PID 2756 wrote to memory of 2552	2756	build.exe	31
PID 2756 wrote to memory of 2552	2756	build.exe	31
PID 2756 wrote to memory of 2552	2756	build.exe	31

C:\Users\Admin\AppData\Local\Temp\32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe
"C:\Users\Admin\AppData\Local\Temp\32441b27ad49e5a9c83b7674147078244fc089121d3b564a088b5c342379daf2.exe"
1⤵
- Suspicious use of WriteProcessMemory
PID:2596
- 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
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2756 -s 1312
    3⤵
    - Loads dropped DLL
    - Program crash
    PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2596-0-0x000007FEF5073000-0x000007FEF5074000-memory.dmp

Filesize
4KB

Download
memory/2596-1-0x000000013F060000-0x000000013F18A000-memory.dmp

Filesize
1.2MB

Download
memory/2596-2-0x000000001B9B0000-0x000000001BB52000-memory.dmp

Filesize
1.6MB

Download
memory/2596-3-0x000000001BC10000-0x000000001BCEC000-memory.dmp

Filesize
880KB

Download