vidar | aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f

General

Target

build2.exe
Size

367KB
MD5

3107999f9600f5f2bc88e17282da2773
SHA1

8862f9551fdb7dc30e135c556751b973f441e7b4
SHA256

aacab9cbbf292403a63bcfd1f6f0a9e534ac39aab406f2c9d7aa98b719f3801f
SHA512

50c66565fc457b848014eaf70b3f7cc408e8a818bd29c80daf53597a44c182d26649c249a6e3fe7e6516fc7ff7e7026f3aff4b25ee48645789fa6cd3d3e2f338

Score

10^/10

vidar 517 discovery spyware stealer suricata

Malware Config

Extracted

Family

vidar

Version

52.1

Botnet

517

C2

https://t.me/verstappenf1r

https://climatejustice.social/@ronxik312

Attributes

profile_id
517

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata: ET MALWARE W32/Agent.OGR!tr.pws Stealer
suricata

Vidar Stealer 5 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/1848-131-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar
behavioral2/memory/1848-132-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar
behavioral2/memory/1848-134-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar
behavioral2/memory/3304-135-0x00000000005E0000-0x0000000000629000-memory.dmp	family_vidar
behavioral2/memory/1848-136-0x0000000000400000-0x000000000044C000-memory.dmp	family_vidar

Loads dropped DLL 2 IoCs

Processes:

build2.exe

pid process

1848 build2.exe
1848 build2.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

Processes:

build2.exe

description pid process target process

PID 3304 set thread context of 1848 3304 build2.exe build2.exe

pid	process
1848	build2.exe
1848	build2.exe

description	pid	process	target process
PID 3304 set thread context of 1848	3304	build2.exe	build2.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

Processes:

build2.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	build2.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	build2.exe

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

build2.exe

pid process

1848 build2.exe
1848 build2.exe
1848 build2.exe
1848 build2.exe
1848 build2.exe
1848 build2.exe
1848 build2.exe
1848 build2.exe

pid	process
1848	build2.exe
1848	build2.exe
1848	build2.exe
1848	build2.exe
1848	build2.exe
1848	build2.exe
1848	build2.exe
1848	build2.exe

Suspicious use of WriteProcessMemory 8 IoCs

Processes:

build2.exe

description	pid	process	target process
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe
PID 3304 wrote to memory of 1848	3304	build2.exe	build2.exe

C:\Users\Admin\AppData\Local\Temp\build2.exe
"C:\Users\Admin\AppData\Local\Temp\build2.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3304

C:\Users\Admin\AppData\Local\Temp\build2.exe
"C:\Users\Admin\AppData\Local\Temp\build2.exe"
2⤵
- Loads dropped DLL
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:1848

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/1848-130-0x0000000000000000-mapping.dmp

Download
memory/1848-131-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1848-132-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1848-134-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1848-136-0x0000000000400000-0x000000000044C000-memory.dmp

Filesize
304KB

Download
memory/1848-137-0x0000000060900000-0x0000000060992000-memory.dmp

Filesize
584KB

Download
memory/3304-133-0x00000000007F7000-0x0000000000822000-memory.dmp

Filesize
172KB

Download
memory/3304-135-0x00000000005E0000-0x0000000000629000-memory.dmp

Filesize
292KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads