vidar | 740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c

General

Target

740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe
Size

407KB
MD5

3b6782cde711c6e73e09611c5041060e
SHA1

412d9f6e64ebee4287eccff782f04943e5381d4f
SHA256

740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c
SHA512

d7883a046d9b153094f9f3e5970b78a9084de8472d219a325006a7652cdf5427641a0c10beef4aceaa4ad9d92ea1a2ccf8104588e51760200e7e85be37524c4e
SSDEEP

6144:ZLy8zb4fAgGKnhd7CA6TzHFdKFAf2iwLR2TP0dainGyIxZ1WqqdS09h:Z+d494r7TabQEORMPMRnGdYX

Score

10^/10

vidar 19 discovery spyware stealer

Malware Config

Extracted

Family

vidar

Version

1.7

Botnet

19

C2

https://t.me/robloxblackl

https://steamcommunity.com/profiles/76561199458928097

Attributes

profile_id
19

Signatures

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

Loads dropped DLL 2 IoCs

pid	Process
532	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe
532	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe

Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials in Files
T1081
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
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 5056 set thread context of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4892	532	WerFault.exe	80

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	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
532	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe
532	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80
PID 5056 wrote to memory of 532	5056	740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe	80

C:\Users\Admin\AppData\Local\Temp\740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe
"C:\Users\Admin\AppData\Local\Temp\740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5056
- C:\Users\Admin\AppData\Local\Temp\740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe
  "C:\Users\Admin\AppData\Local\Temp\740912c948f5c370a23fa34da6fca7ffa1abc420edefcbe3c7a74170c9f47e8c.exe"
  2⤵
  - Loads dropped DLL
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  PID:532
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 1828
    3⤵
    - Program crash
    PID:4892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 532 -ip 532
1⤵
PID:1476

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Credentials in Files

3

T1081

Discovery

Query Registry

2

T1012

System Information Discovery

1

T1082

Lateral Movement

Collection

Data from Local System

3

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\mozglue.dll

Filesize
133KB

MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
C:\ProgramData\nss3.dll

Filesize
1.2MB

MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/532-133-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/532-135-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/532-137-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/532-138-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/532-139-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/532-160-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/5056-136-0x00000000020E0000-0x000000000212C000-memory.dmp

Filesize
304KB

Download
memory/5056-134-0x0000000000622000-0x000000000064F000-memory.dmp

Filesize
180KB

Download

Analysis

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