vidar | 5841ed19ed8fde6ba94f5ceb1052dd2e9145ee8486c4b67d535136bd52f7af95

Analysis

max time kernel
114s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
02/04/2024, 10:43

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe
Size 234KB
Sample240402-msmpjsfe7w
SHA256 58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff
MD5 d0492d61a010c75b69a21b31761ac655
SHA1 0168759aebd253fed1dd89a44d260f6eadc94a2d
SHA512 e4552a5bcf7f6b7911a87873d6d168d44f4ab0f351c822b5ec3b14b5db359ce0fadecac7bc032111197243b79047cbe1203e4fa9afc558c9f9e2a0ecb28eb52d
SSDEEP 6144:AhAZ0mc86LHVUCAlfzHORKOrfIrIEgcNxHookuvxNimwE5R:ImcJLHVpAl7o3rfwrYt+7/r
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

vidar stealer

Malware Config

Extracted

Family

vidar

https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36

Signatures

Detect Vidar Stealer 3 IoCs

stealer

resource	yara_rule
behavioral2/memory/2824-4-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2824-7-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7
behavioral2/memory/2824-9-0x0000000000400000-0x0000000000648000-memory.dmp	family_vidar_v7

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

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1020 set thread context of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99

Program crash 2 IoCs

pid	pid_target	Process	procid_target
2012	1020	WerFault.exe	92
4016	2824	WerFault.exe	99

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1020 wrote to memory of 4780	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	97
PID 1020 wrote to memory of 4780	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	97
PID 1020 wrote to memory of 4780	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	97
PID 1020 wrote to memory of 2944	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	98
PID 1020 wrote to memory of 2944	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	98
PID 1020 wrote to memory of 2944	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	98
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99
PID 1020 wrote to memory of 2824	1020	58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe	99

C:\Users\Admin\AppData\Local\Temp\58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe
"C:\Users\Admin\AppData\Local\Temp\58c48e2b1d3d26ac96cebf8c114750582d4cdeef46a05bbf706c4b4630c541ff.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1020
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:4780
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2944
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"
  2⤵
  PID:2824
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 2324
    3⤵
    - Program crash
    PID:4016
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 1020 -s 892
  2⤵
  - Program crash
  PID:2012

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1020 -ip 1020
1⤵
PID:1848

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 2824 -ip 2824
1⤵
PID:5032

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4156 --field-trial-handle=2264,i,13734085038406049477,12426093271221802693,262144 --variations-seed-version /prefetch:8
1⤵
PID:4228

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1020-1-0x0000000000C40000-0x0000000000C7C000-memory.dmp

Download

memory/1020-0-0x0000000074ED0000-0x0000000075680000-memory.dmp

Download

memory/1020-10-0x0000000003150000-0x0000000005150000-memory.dmp

Download

memory/1020-14-0x0000000074ED0000-0x0000000075680000-memory.dmp

Download

memory/2824-4-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/2824-7-0x0000000000400000-0x0000000000648000-memory.dmp

Download

memory/2824-9-0x0000000000400000-0x0000000000648000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads