vidar | 26285efdd77665c7dd35aa0450f77214644ebb80fb284e071e67f728881c8983

General

Target

1e981e240cc21580c970db894934da5f.exe
Size

800KB
MD5

1e981e240cc21580c970db894934da5f
SHA1

24bc2e53f10324268b5ba1542568d9e998a1052b
SHA256

26285efdd77665c7dd35aa0450f77214644ebb80fb284e071e67f728881c8983
SHA512

24c9968c7fbe3f341801e723be26dc083939238a94234374e1eb7821360119e6c8efdcd481ab68de2007fcae1a39b897f4b1198cc43a965577a0982272413844

Score

10^/10

vidar 921 spyware stealer

Malware Config

Extracted

Family

vidar

Version

39.9

Botnet

921

C2

https://prophefliloc.tumblr.com/

Attributes

profile_id
921

Signatures

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

Vidar Stealer 3 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/4124-121-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/4124-122-0x000000000046B77D-mapping.dmp	family_vidar
behavioral2/memory/4124-123-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

1e981e240cc21580c970db894934da5f.exe

pid process

4124 1e981e240cc21580c970db894934da5f.exe
4124 1e981e240cc21580c970db894934da5f.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
Suspicious use of SetThreadContext 1 IoCs

Processes:

1e981e240cc21580c970db894934da5f.exe

description pid process target process

PID 4428 set thread context of 4124 4428 1e981e240cc21580c970db894934da5f.exe 1e981e240cc21580c970db894934da5f.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

4164 4124 WerFault.exe 1e981e240cc21580c970db894934da5f.exe

description	pid	process	target process
PID 4428 set thread context of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe

pid	pid_target	process	target process
4164	4124	WerFault.exe	1e981e240cc21580c970db894934da5f.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

1e981e240cc21580c970db894934da5f.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	1e981e240cc21580c970db894934da5f.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	1e981e240cc21580c970db894934da5f.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

1e981e240cc21580c970db894934da5f.exeWerFault.exe

pid	process
4124	1e981e240cc21580c970db894934da5f.exe
4124	1e981e240cc21580c970db894934da5f.exe
4124	1e981e240cc21580c970db894934da5f.exe
4124	1e981e240cc21580c970db894934da5f.exe
4124	1e981e240cc21580c970db894934da5f.exe
4124	1e981e240cc21580c970db894934da5f.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe
4164	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

1e981e240cc21580c970db894934da5f.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	4428	1e981e240cc21580c970db894934da5f.exe
Token: SeRestorePrivilege	4164	WerFault.exe
Token: SeBackupPrivilege	4164	WerFault.exe
Token: SeDebugPrivilege	4164	WerFault.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

1e981e240cc21580c970db894934da5f.exe

description	pid	process	target process
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe
PID 4428 wrote to memory of 4124	4428	1e981e240cc21580c970db894934da5f.exe	1e981e240cc21580c970db894934da5f.exe

C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe
"C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4428

C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe
C:\Users\Admin\AppData\Local\Temp\1e981e240cc21580c970db894934da5f.exe
2⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:4124

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4124 -s 1676
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4164

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1

T1130

Modify Registry

1

T1112

Credential Access

Credentials in Files

2

T1081

Discovery

Lateral Movement

Collection

Data from Local System

2

T1005

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

\ProgramData\mozglue.dll
MD5
8f73c08a9660691143661bf7332c3c27

SHA1
37fa65dd737c50fda710fdbde89e51374d0c204a

SHA256
3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

SHA512
0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

Download Submit
\ProgramData\nss3.dll
MD5
bfac4e3c5908856ba17d41edcd455a51

SHA1
8eec7e888767aa9e4cca8ff246eb2aacb9170428

SHA256
e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

SHA512
2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

Download Submit
memory/4124-121-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4124-122-0x000000000046B77D-mapping.dmp

Download
memory/4124-123-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/4428-114-0x0000000000900000-0x0000000000901000-memory.dmp

Filesize
4KB

Download
memory/4428-116-0x0000000005880000-0x0000000005881000-memory.dmp

Filesize
4KB

Download
memory/4428-117-0x0000000005420000-0x0000000005421000-memory.dmp

Filesize
4KB

Download
memory/4428-118-0x0000000002F00000-0x0000000002F01000-memory.dmp

Filesize
4KB

Download
memory/4428-119-0x0000000005380000-0x000000000587E000-memory.dmp

Filesize
5.0MB

Download
memory/4428-120-0x00000000056F0000-0x0000000005711000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads