77b4650847cb0c0389bcbe8feda2807d42d3f59cdd3f2b0b07f8dcc04e904fa4

Analysis

max time kernel
25s
max time network
46s
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/bodyfile.pl
Size

1KB
MD5

eee053f46334760a82b534435a18c0e8
SHA1

18bab15934c82e0586dcc43b2ad56d8125dbe2fc
SHA256

eacd4be4075178627202dcb12c28232bc47a2dbc37213ce10c29853f5e503366
SHA512

0dab8d77a07b2cb2bb6c9cd3cd15ecf299025359e0f23028138bcd7802aceb57642d00b9461e36016d5372058ebc77b1a6c1793ab3f038fc19369f40c19f8285

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
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell\edit	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell\edit\command\ = "%SystemRoot%\\system32\\NOTEPAD.EXE %1"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell\open	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell\open\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.pl	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\.pl\ = "pl_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell\edit\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_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 1656 wrote to memory of 1888	1656	cmd.exe	rundll32.exe
PID 1656 wrote to memory of 1888	1656	cmd.exe	rundll32.exe
PID 1656 wrote to memory of 1888	1656	cmd.exe	rundll32.exe
PID 1888 wrote to memory of 668	1888	rundll32.exe	NOTEPAD.EXE
PID 1888 wrote to memory of 668	1888	rundll32.exe	NOTEPAD.EXE
PID 1888 wrote to memory of 668	1888	rundll32.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\bodyfile.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:1656

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\bodyfile.pl
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1888

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\bodyfile.pl
3⤵
PID:668

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/668-86-0x0000000000000000-mapping.dmp

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memory/1656-54-0x000007FEFC1F1000-0x000007FEFC1F3000-memory.dmp

Filesize
8KB

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memory/1888-81-0x0000000000000000-mapping.dmp

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