vidar | fef9eccbd479554ebd0f9ff95f58e710bba74e0bc4799dc3f317739a7258cb70

General

Target

Setup.exe
Size

761.7MB
MD5

a89ee6c86aa1c1807af5e1d670254040
SHA1

0d36fd5040565c50998bc940ce74ff1cb07975c1
SHA256

c3181e842c62fd6c54881b3f176314dd9b652f79b418adc931077f1c5feefbb6
SHA512

9284c2693c6e9740f86261d2526a03f4c3910aebec535b58027d8397da854f7dc3638e426d71341e364b34638bade473a45a3c5cbf3338d35099f31f988ee729
SSDEEP

6144:B95cVr2/jceb1vJoM/GcM+sF+TY/xQ0VvM9+RQ5Pth6HVfjFNx1Jdns:BLGkIexqMOcVsFAcbR2+m1thkFNNZs

Score

10^/10

vidar 1375 spyware stealer

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1375

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

Attributes

profile_id
1375

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
464	vbc.exe
464	vbc.exe

Uses the VBS compiler for execution 1 TTPs

Scripting
T1064
Accesses 2FA software files, possible credential harvesting 2 TTPs
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
spyware

Data from Local System
T1005

Credentials in Files
T1081

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 892 set thread context of 464	892	Setup.exe	29

Program crash 2 IoCs

pid	pid_target	Process	procid_target
1820	892	WerFault.exe	27
1204	464	WerFault.exe	29

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	vbc.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	vbc.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
464	vbc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 464	892	Setup.exe	29
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 892 wrote to memory of 1820	892	Setup.exe	30
PID 464 wrote to memory of 1204	464	vbc.exe	33
PID 464 wrote to memory of 1204	464	vbc.exe	33
PID 464 wrote to memory of 1204	464	vbc.exe	33
PID 464 wrote to memory of 1204	464	vbc.exe	33
PID 464 wrote to memory of 1204	464	vbc.exe	33
PID 464 wrote to memory of 1204	464	vbc.exe	33
PID 464 wrote to memory of 1204	464	vbc.exe	33

C:\Users\Admin\AppData\Local\Temp\Setup.exe
"C:\Users\Admin\AppData\Local\Temp\Setup.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:892
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:464
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 464 -s 1408
    3⤵
    - Program crash
    PID:1204
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 892 -s 36
  2⤵
  - Program crash
  PID:1820

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scripting

1

T1064

Persistence

Privilege Escalation

Defense Evasion

Scripting

1

T1064

Credential Access

Credentials in Files

2

T1081

Discovery

Query Registry

1

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

2

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/464-55-0x0000000000090000-0x00000000000EF000-memory.dmp

Filesize
380KB

Download
memory/464-57-0x0000000000090000-0x00000000000EF000-memory.dmp

Filesize
380KB

Download
memory/464-64-0x0000000000090000-0x00000000000EF000-memory.dmp

Filesize
380KB

Download
memory/464-66-0x0000000000090000-0x00000000000EF000-memory.dmp

Filesize
380KB

Download
memory/464-68-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/892-54-0x0000000075F21000-0x0000000075F23000-memory.dmp

Filesize
8KB

Download

Analysis

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