vidar | 8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82

General

Target

8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe
Size

571KB
MD5

e79e6f89c1f5c289e122845cb331b772
SHA1

f3f78f4ce22c87c1248af11fa02a680b31fa1d70
SHA256

8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82
SHA512

395884ea0efab2ed530d7feea542de074e3f404249b60bba576a889f9747515de2ce27d2fd6bc3489e3ab8cac3f6a06f64fc1eb244a21d0438f12a82418faad5
SSDEEP

12288:A5QcpXoWDMfVS08R6pjgQpQm7GRajs1sQJoVXX829yZ4S:APXo/SxEpj9MTZOXz/

Score

10^/10

vidar 5d5c21db908d8fe19952873f9f748174 discovery stealer

Malware Config

Extracted

Family

vidar

Botnet

5d5c21db908d8fe19952873f9f748174

C2

https://t.me/maslengdsa

https://steamcommunity.com/profiles/76561199786602107

https://t.me/lpnjoke

Attributes

user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:130.0) Gecko/20100101 Firefox/130.0

Signatures

Detect Vidar Stealer 9 IoCs

stealer

resource	yara_rule
behavioral1/memory/1740-8-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-12-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-10-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-7-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-5-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-148-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-167-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-197-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7
behavioral1/memory/1740-259-0x0000000000400000-0x0000000000676000-memory.dmp	family_vidar_v7

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Downloads MZ/PE file

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2420 set thread context of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31

Browser Information Discovery 1 TTPs
Enumerate browser information.
discovery

Browser Information Discovery
T1217

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2792	2420	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	MSBuild.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	MSBuild.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1740	MSBuild.exe
1740	MSBuild.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2420 wrote to memory of 1256	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	30
PID 2420 wrote to memory of 1256	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	30
PID 2420 wrote to memory of 1256	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	30
PID 2420 wrote to memory of 1256	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	30
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 1740	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	31
PID 2420 wrote to memory of 2792	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	32
PID 2420 wrote to memory of 2792	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	32
PID 2420 wrote to memory of 2792	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	32
PID 2420 wrote to memory of 2792	2420	8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe	32

C:\Users\Admin\AppData\Local\Temp\8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe
"C:\Users\Admin\AppData\Local\Temp\8324d3e3391978797fadbddbfe68c66be1e122479b57ac215b6fe6037ebacb82.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2420
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  PID:1256
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:1740
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 2420 -s 60
  2⤵
  - Program crash
  PID:2792

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Browser Information Discovery

Query Registry

System Information Discovery

1

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

Filesize
342B

MD5
d9a85c1eb0847a069d812579d57ffd8d

SHA1
0218d900c9ea594e4dfa650f86bb63b8ad2dfebe

SHA256
4824797a0041c00db39bcddd24419f86fa78b452e38e370fc37122487815d81d

SHA512
81c9efd551695aec4ea68dc393cfe2b8c6db5f47999fe380fc5ade136ad77edc5ecb047f000d16c0ae26b0d8dcef6005df93f21c86698f27c6e9919569cbb624

Download Submit
C:\Users\Admin\AppData\Local\Temp\Cab9E25.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
C:\Users\Admin\AppData\Local\Temp\Tar9E66.tmp

Filesize
181KB

MD5
4ea6026cf93ec6338144661bf1202cd1

SHA1
a1dec9044f750ad887935a01430bf49322fbdcb7

SHA256
8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

SHA512
6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

Download Submit
memory/1740-10-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-12-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-9-0x00000000FFFDE000-0x00000000FFFDF000-memory.dmp

Filesize
4KB

Download
memory/1740-7-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-3-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-5-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-1-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-259-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-8-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-2-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-148-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-167-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/1740-186-0x0000000020170000-0x00000000203CF000-memory.dmp

Filesize
2.4MB

Download
memory/1740-197-0x0000000000400000-0x0000000000676000-memory.dmp

Filesize
2.5MB

Download
memory/2420-0-0x0000000000D5D000-0x0000000000D5F000-memory.dmp

Filesize
8KB

Download

Analysis

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