b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71

General

Target

b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
Size

1.4MB
MD5

85b92f2a831c82e30c942de04748923b
SHA1

ee724e4be3382151b265467cbcdb017f48a11078
SHA256

b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71
SHA512

94891c1edc8b34119b09fce8c2451c8391fcae5ce5da5daac395737202b2126abcf7375d16c596c1df59935f066ec84f3b210615e1b0cf35828e551d4fbc3a87
SSDEEP

24576:6FkOLkyXSF+tlgVLh7JJJMLq6W0UMKhz2WXGbE1xEQTfXrmNBylmB:kg5EUZF01KRbDTPrmNqmB

Score

7^/10

Malware Config

Signatures

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-2629973501-4017243118-3254762364-1000\Control Panel\International\Geo\Nation	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Enumerates connected drives 3 TTPs 24 IoCs

Attempts to read the root path of hard drives other than the default C: drive.

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
File opened (read-only)	\??\Y:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\B:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\U:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\K:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\W:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\Z:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\E:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\F:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\I:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\J:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\N:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\Q:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\R:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\S:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\A:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\H:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\T:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\M:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\O:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\P:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\V:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\X:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\G:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
File opened (read-only)	\??\L:	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Checks processor information in registry 2 TTPs 4 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	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
Key queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: 33	320	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
Token: SeIncBasePriorityPrivilege	320	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Suspicious use of FindShellTrayWindow 1 IoCs

pid	Process
320	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Suspicious use of SendNotifyMessage 1 IoCs

pid	Process
320	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
320	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
320	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4612 wrote to memory of 320	4612	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe	81
PID 4612 wrote to memory of 320	4612	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe	81
PID 4612 wrote to memory of 320	4612	b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe	81

C:\Users\Admin\AppData\Local\Temp\b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
"C:\Users\Admin\AppData\Local\Temp\b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe"
1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
PID:4612
- C:\Users\Admin\AppData\Local\Temp\b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe
  "C:\Users\Admin\AppData\Local\Temp\b4534a4ec32d4098fe1a29ddf6001b6ed02f7fa66c631c351aedac33dff19d71.exe" 1 44959
  2⤵
  - Enumerates connected drives
  - Checks processor information in registry
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of FindShellTrayWindow
  - Suspicious use of SendNotifyMessage
  - Suspicious use of SetWindowsHookEx
  PID:320

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/320-141-0x0000000002540000-0x00000000025F8000-memory.dmp

Filesize
736KB

Download
memory/4612-133-0x0000000002610000-0x00000000026C8000-memory.dmp

Filesize
736KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads