77b4650847cb0c0389bcbe8feda2807d42d3f59cdd3f2b0b07f8dcc04e904fa4

Analysis

max time kernel
43s
max time network
48s
platform
windows7_x64
resource
win7-20220414-en
submitted
27-05-2022 20:21

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General

Target

APT-Hunter-master/Tools/HCTOOLS/source/jl.pl
Size

2KB
MD5

b54aff6fa7a01f709a3340ac62817c00
SHA1

41df8ace28794558effbbfb83901a97ed6448ebe
SHA256

922643dfbdea3a689b449d57228b82bd87dee02e3508fcd1762def9af4304c0b
SHA512

479338c2ba75b74a259ca30e97deae87bc601b70ca8cfaeab88d917e7b98fec740716279c889f4f7a955b36b8c814de55d1329119ecc45b9a8a73264994b5cb4

Score

3^/10

Malware Config

Signatures

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 13 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\.pl	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\.pl\ = "pl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell\edit	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1819626980-2277161760-1023733287-1000_CLASSES\pl_auto_file\shell\open\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1992 wrote to memory of 280	1992	cmd.exe	rundll32.exe
PID 1992 wrote to memory of 280	1992	cmd.exe	rundll32.exe
PID 1992 wrote to memory of 280	1992	cmd.exe	rundll32.exe
PID 280 wrote to memory of 824	280	rundll32.exe	NOTEPAD.EXE
PID 280 wrote to memory of 824	280	rundll32.exe	NOTEPAD.EXE
PID 280 wrote to memory of 824	280	rundll32.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\jl.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:1992

C:\Windows\system32\rundll32.exe
"C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\jl.pl
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:280

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\jl.pl
3⤵
PID:824

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/280-81-0x0000000000000000-mapping.dmp

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memory/824-86-0x0000000000000000-mapping.dmp

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memory/1992-54-0x000007FEFBA91000-0x000007FEFBA93000-memory.dmp

Filesize
8KB

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