vidar | 5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706

General

Target

start.exe
Size

384KB
MD5

3318168ae9a79bebdbca98281974ea70
SHA1

a1c84b04cd756628f955abd4dec707d946d9a84f
SHA256

5d32e44b85fcb2b674764ef904ba64a16d4533591b7d1ada4d760cdb603db706
SHA512

ae3e42d079055d75f4c1dc8afe9c994e9d42fbd1e34eb51976f7a8b74895eebd04411649c7661f59286967f2a72e730f8bd2efb670c30335622250dcdd45de61
SSDEEP

6144:kmQ5QhH2pP+YC4KqpmrxUHnYXK1h3Bt9qUnHmwZbh3XpFgO2/31PHC/kWBvq9l1:kmQaHOP+Y/KqpmNUHnhh7ZbZ6/31PHtN

Score

10^/10

vidar 1375 discovery stealer

Malware Config

Extracted

Family

vidar

Version

56.1

Botnet

1375

C2

https://t.me/dishasta

https://steamcommunity.com/profiles/76561199441933804

http://167.235.150.8:80

Attributes

profile_id
1375

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar
Vidar family
vidar
Uses the VBS compiler for execution 1 TTPs

Command and Scripting Interpreter
T1059

Suspicious use of SetThreadContext 1 IoCs

Processes:

start.exe

description	pid	Process	procid_target
PID 4948 set thread context of 2364	4948	start.exe	84

Program crash 1 IoCs

Processes:

WerFault.exe

pid	pid_target	Process	procid_target
2884	4948	WerFault.exe	81

System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

Processes:

start.exevbc.exe

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	start.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	vbc.exe

Checks SCSI registry key(s) 3 TTPs 3 IoCs

SCSI information is often read in order to detect sandboxing environments.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

Processes:

taskmgr.exe

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\FriendlyName	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000	taskmgr.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI\Disk&Ven_WDC&Prod_WDS100T2B0A\4&215468a5&0&000000\Properties\{b725f130-47ef-101a-a5f1-02608c9eebac}\000A	taskmgr.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:

taskmgr.exe

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

Suspicious behavior: EnumeratesProcesses 8 IoCs

Processes:

taskmgr.exe

pid	Process
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe

Suspicious use of AdjustPrivilegeToken 5 IoCs

Processes:

taskmgr.exe

description	pid	Process
Token: SeDebugPrivilege	4924	taskmgr.exe
Token: SeSystemProfilePrivilege	4924	taskmgr.exe
Token: SeCreateGlobalPrivilege	4924	taskmgr.exe
Token: 33	4924	taskmgr.exe
Token: SeIncBasePriorityPrivilege	4924	taskmgr.exe

Suspicious use of FindShellTrayWindow 33 IoCs

Processes:

taskmgr.exe

pid	Process
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe

Suspicious use of SendNotifyMessage 33 IoCs

Processes:

taskmgr.exe

pid	Process
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe
4924	taskmgr.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

start.exe

description	pid	Process	procid_target
PID 4948 wrote to memory of 2364	4948	start.exe	84
PID 4948 wrote to memory of 2364	4948	start.exe	84
PID 4948 wrote to memory of 2364	4948	start.exe	84
PID 4948 wrote to memory of 2364	4948	start.exe	84
PID 4948 wrote to memory of 2364	4948	start.exe	84

C:\Users\Admin\AppData\Local\Temp\start.exe
"C:\Users\Admin\AppData\Local\Temp\start.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4948
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\vbc.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2364
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4948 -s 276
  2⤵
  - Program crash
  PID:2884

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4948 -ip 4948
1⤵
PID:3552

C:\Windows\system32\taskmgr.exe
"C:\Windows\system32\taskmgr.exe" /7
1⤵
- Checks SCSI registry key(s)
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:4924

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1

T1059

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2364-2-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/2364-8-0x0000000000400000-0x000000000045F000-memory.dmp

Filesize
380KB

Download
memory/4924-27-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-23-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-22-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-21-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-33-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-32-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-31-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-30-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-29-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4924-28-0x000001C1FE580000-0x000001C1FE581000-memory.dmp

Filesize
4KB

Download
memory/4948-1-0x00000000006C0000-0x00000000007C0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads