9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

General

Target

9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
Size

248KB
MD5

6828479a089c1d86b084c76fe556db34
SHA1

641fb9a40cfd11a441dc82bea1b18952accd4e4a
SHA256

9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6
SHA512

686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe
SSDEEP

6144:DZmRCDAl/iZXvlkWDDqSZdl3AGdMCsHU/:DcRCDMAeW/Tl3AGdM7HE

Score

10^/10

evasion persistence

Malware Config

Signatures

Modifies firewall policy service 2 TTPs 4 IoCs

evasion

Modify Registry

T1112

Modify Existing Service

T1031

description	ioc	Process
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Admin\574845857695457375489\winsvc.exe = "C:\\Users\\Admin\\574845857695457375489\\winsvc.exe:*:Enabled:Microsoft Windows Update"	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe

Executes dropped EXE 2 IoCs

pid	Process
3068	winsvc.exe
4600	winsvc.exe

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-1-5-21-2971393436-602173351-1645505021-1000\Control Panel\International\Geo\Nation	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\Software\Microsoft\Windows\CurrentVersion\Run\	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2971393436-602173351-1645505021-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Microsoft Windows Update = "C:\\Users\\Admin\\574845857695457375489\\winsvc.exe"	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3300 set thread context of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3068 set thread context of 4600	3068	winsvc.exe	86

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

System Information Discovery
T1082

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
3068	winsvc.exe

Suspicious use of WriteProcessMemory 23 IoCs

description	pid	Process	procid_target
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 3300 wrote to memory of 860	3300	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	84
PID 860 wrote to memory of 3068	860	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	85
PID 860 wrote to memory of 3068	860	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	85
PID 860 wrote to memory of 3068	860	9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe	85
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86
PID 3068 wrote to memory of 4600	3068	winsvc.exe	86

C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
"C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3300
- C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe
  "C:\Users\Admin\AppData\Local\Temp\9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Users\Admin\574845857695457375489\winsvc.exe
    "C:\Users\Admin\574845857695457375489\winsvc.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:3068
  - - C:\Users\Admin\574845857695457375489\winsvc.exe
      "C:\Users\Admin\574845857695457375489\winsvc.exe"
      4⤵
      Executes dropped EXE
      PID:4600

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

2

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\574845857695457375489\winsvc.exe

Filesize
248KB

MD5
6828479a089c1d86b084c76fe556db34

SHA1
641fb9a40cfd11a441dc82bea1b18952accd4e4a

SHA256
9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

SHA512
686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

Download Submit
C:\Users\Admin\574845857695457375489\winsvc.exe

Filesize
248KB

MD5
6828479a089c1d86b084c76fe556db34

SHA1
641fb9a40cfd11a441dc82bea1b18952accd4e4a

SHA256
9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

SHA512
686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

Download Submit
C:\Users\Admin\574845857695457375489\winsvc.exe

Filesize
248KB

MD5
6828479a089c1d86b084c76fe556db34

SHA1
641fb9a40cfd11a441dc82bea1b18952accd4e4a

SHA256
9489a3b73a1a57412c6b16dc3972563469da3b5fefbf5603017b70956dfb0fe6

SHA512
686b48beed869e02140af6e1f41cd59f7cc6577e50858f7add9a5ee411281808fdb2c09f1637254133487a7baf674676227f6d1c05b5bba3d737b132c75de9fe

Download Submit
memory/860-138-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/860-139-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download
memory/860-136-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/3068-149-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/3300-135-0x0000000000400000-0x000000000043E000-memory.dmp

Filesize
248KB

Download
memory/4600-150-0x0000000000400000-0x000000000041D000-memory.dmp

Filesize
116KB

Download
memory/4600-151-0x0000000000400000-0x000000000040F000-memory.dmp

Filesize
60KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads