8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3

General

Target

8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
Size

76KB
MD5

1c50046336034d0876f7d355babbb3d0
SHA1

f92c8ab026b423c9749d277eb29a07466980abd7
SHA256

8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3
SHA512

46e08b0fe1708a45e07715b5c9a93282ae519a14cb28af49536ed01e21c6e2e636b01288578ceb99c249ef45ddeade9d13d264e36c91e292498bb4cc361fcd37
SSDEEP

1536:kxOpO4O620Np6ajTF2ad35nPEXbQI/O0r38V3Exr5lWyK9KpO:pRBd+2ED8yK9X

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	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
Key created	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
Set value (str)	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\SharedAccess\Parameters\FirewallPolicy\StandardProfile\AuthorizedApplications\List\C:\Users\Public\HEX-5823-6893-6818\jutched.exe = "C:\\Users\\Public\\HEX-5823-6893-6818\\jutched.exe:*:Enabled:Java Update Manager"	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe

Executes dropped EXE 2 IoCs

pid	Process
4260	jutched.exe
4208	jutched.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-1-5-21-4246620582-653642754-1174164128-1000\Control Panel\International\Geo\Nation	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.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-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4246620582-653642754-1174164128-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Java Update Manager = "C:\\Users\\Public\\HEX-5823-6893-6818\\jutched.exe"	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3604 set thread context of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 4260 set thread context of 4208	4260	jutched.exe	85

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\	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
4260	jutched.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 3604 wrote to memory of 1780	3604	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	83
PID 1780 wrote to memory of 4260	1780	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	84
PID 1780 wrote to memory of 4260	1780	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	84
PID 1780 wrote to memory of 4260	1780	8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe	84
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85
PID 4260 wrote to memory of 4208	4260	jutched.exe	85

C:\Users\Admin\AppData\Local\Temp\8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
"C:\Users\Admin\AppData\Local\Temp\8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3604
- C:\Users\Admin\AppData\Local\Temp\8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe
  "C:\Users\Admin\AppData\Local\Temp/8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3.exe"
  2⤵
  - Modifies firewall policy service
  - Checks computer location settings
  - Adds Run key to start application
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1780
- - C:\Users\Public\HEX-5823-6893-6818\jutched.exe
    "C:\Users\Public\HEX-5823-6893-6818\jutched.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:4260
  - - C:\Users\Public\HEX-5823-6893-6818\jutched.exe
      "C:\Users\Public\HEX-5823-6893-6818/jutched.exe"
      4⤵
      Executes dropped EXE
      PID:4208

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

Replay Monitor

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Downloads

C:\Users\Public\HEX-5823-6893-6818\jutched.exe

Filesize
76KB

MD5
1c50046336034d0876f7d355babbb3d0

SHA1
f92c8ab026b423c9749d277eb29a07466980abd7

SHA256
8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3

SHA512
46e08b0fe1708a45e07715b5c9a93282ae519a14cb28af49536ed01e21c6e2e636b01288578ceb99c249ef45ddeade9d13d264e36c91e292498bb4cc361fcd37

Download Submit
C:\Users\Public\HEX-5823-6893-6818\jutched.exe

Filesize
76KB

MD5
1c50046336034d0876f7d355babbb3d0

SHA1
f92c8ab026b423c9749d277eb29a07466980abd7

SHA256
8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3

SHA512
46e08b0fe1708a45e07715b5c9a93282ae519a14cb28af49536ed01e21c6e2e636b01288578ceb99c249ef45ddeade9d13d264e36c91e292498bb4cc361fcd37

Download Submit
C:\Users\Public\HEX-5823-6893-6818\jutched.exe

Filesize
76KB

MD5
1c50046336034d0876f7d355babbb3d0

SHA1
f92c8ab026b423c9749d277eb29a07466980abd7

SHA256
8c7892b4e4cb93158e48edcdadebb591f2311c1d9918f3c413c58d17857daba3

SHA512
46e08b0fe1708a45e07715b5c9a93282ae519a14cb28af49536ed01e21c6e2e636b01288578ceb99c249ef45ddeade9d13d264e36c91e292498bb4cc361fcd37

Download Submit
memory/1780-138-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1780-139-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1780-135-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/1780-134-0x0000000000000000-mapping.dmp

Download
memory/3604-137-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download
memory/4208-145-0x0000000000000000-mapping.dmp

Download
memory/4208-150-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4208-151-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4208-152-0x0000000000400000-0x000000000040D000-memory.dmp

Filesize
52KB

Download
memory/4260-140-0x0000000000000000-mapping.dmp

Download
memory/4260-149-0x0000000000400000-0x0000000000424000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads