vidar | bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca

General

Target

308c3af9d49308ea263e70bc4f946fa0.exe
Size

1.5MB
MD5

308c3af9d49308ea263e70bc4f946fa0
SHA1

962bd5aaa2d7441a27c931932cc003491aa66dad
SHA256

bb9a6242991d0d9bf29011e503cb679537dda42fab5451869ce866b3dada19ca
SHA512

da8fcd80d98a62eaef1a57d87fcb990d47e0ebe2aa0834a16262810b5fd36bcb8f05a08a093e19b3c498277f97adc12f0725f122b7b7047e495f39647cfee40f

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/2948-122-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar
behavioral2/memory/2948-123-0x000000000046B77D-mapping.dmp	family_vidar
behavioral2/memory/2948-124-0x0000000000400000-0x00000000004A1000-memory.dmp	family_vidar

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

308c3af9d49308ea263e70bc4f946fa0.exe

pid process

2948 308c3af9d49308ea263e70bc4f946fa0.exe
2948 308c3af9d49308ea263e70bc4f946fa0.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:

308c3af9d49308ea263e70bc4f946fa0.exe

description pid process target process

PID 3972 set thread context of 2948 3972 308c3af9d49308ea263e70bc4f946fa0.exe 308c3af9d49308ea263e70bc4f946fa0.exe
Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

3480 2948 WerFault.exe 308c3af9d49308ea263e70bc4f946fa0.exe

description	pid	process	target process
PID 3972 set thread context of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe

pid	pid_target	process	target process
3480	2948	WerFault.exe	308c3af9d49308ea263e70bc4f946fa0.exe

Modifies system certificate store 2 TTPs 2 IoCs

evasion spyware trojan

Install Root Certificate

T1130

Modify Registry

T1112

Processes:

308c3af9d49308ea263e70bc4f946fa0.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349	308c3af9d49308ea263e70bc4f946fa0.exe
Set value (data)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\D1EB23A46D17D68FD92564C2F1F1601764D8E349\Blob = 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	308c3af9d49308ea263e70bc4f946fa0.exe

Suspicious behavior: EnumeratesProcesses 20 IoCs

Processes:

308c3af9d49308ea263e70bc4f946fa0.exeWerFault.exe

pid	process
2948	308c3af9d49308ea263e70bc4f946fa0.exe
2948	308c3af9d49308ea263e70bc4f946fa0.exe
2948	308c3af9d49308ea263e70bc4f946fa0.exe
2948	308c3af9d49308ea263e70bc4f946fa0.exe
2948	308c3af9d49308ea263e70bc4f946fa0.exe
2948	308c3af9d49308ea263e70bc4f946fa0.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe
3480	WerFault.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

Processes:

308c3af9d49308ea263e70bc4f946fa0.exeWerFault.exe

description	pid	process
Token: SeDebugPrivilege	3972	308c3af9d49308ea263e70bc4f946fa0.exe
Token: SeRestorePrivilege	3480	WerFault.exe
Token: SeBackupPrivilege	3480	WerFault.exe
Token: SeDebugPrivilege	3480	WerFault.exe

Suspicious use of WriteProcessMemory 11 IoCs

Processes:

308c3af9d49308ea263e70bc4f946fa0.exe

description	pid	process	target process
PID 3972 wrote to memory of 3044	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 3044	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 3044	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe
PID 3972 wrote to memory of 2948	3972	308c3af9d49308ea263e70bc4f946fa0.exe	308c3af9d49308ea263e70bc4f946fa0.exe

C:\Users\Admin\AppData\Local\Temp\308c3af9d49308ea263e70bc4f946fa0.exe
"C:\Users\Admin\AppData\Local\Temp\308c3af9d49308ea263e70bc4f946fa0.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3972

C:\Users\Admin\AppData\Local\Temp\308c3af9d49308ea263e70bc4f946fa0.exe
C:\Users\Admin\AppData\Local\Temp\308c3af9d49308ea263e70bc4f946fa0.exe
2⤵
PID:3044

C:\Users\Admin\AppData\Local\Temp\308c3af9d49308ea263e70bc4f946fa0.exe
C:\Users\Admin\AppData\Local\Temp\308c3af9d49308ea263e70bc4f946fa0.exe
2⤵
- Loads dropped DLL
- Modifies system certificate store
- Suspicious behavior: EnumeratesProcesses
PID:2948

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2948 -s 1696
3⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:3480

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

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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/2948-122-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/2948-123-0x000000000046B77D-mapping.dmp

Download
memory/2948-124-0x0000000000400000-0x00000000004A1000-memory.dmp

Filesize
644KB

Download
memory/3972-114-0x00000000007D0000-0x00000000007D1000-memory.dmp

Filesize
4KB

Download
memory/3972-116-0x0000000005A00000-0x0000000005A01000-memory.dmp

Filesize
4KB

Download
memory/3972-117-0x00000000051F0000-0x00000000051F1000-memory.dmp

Filesize
4KB

Download
memory/3972-118-0x0000000005290000-0x0000000005291000-memory.dmp

Filesize
4KB

Download
memory/3972-120-0x00000000013B0000-0x00000000013B1000-memory.dmp

Filesize
4KB

Download
memory/3972-119-0x00000000054F0000-0x00000000054F1000-memory.dmp

Filesize
4KB

Download
memory/3972-121-0x0000000005570000-0x0000000005591000-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