77b4650847cb0c0389bcbe8feda2807d42d3f59cdd3f2b0b07f8dcc04e904fa4

Analysis

max time kernel
41s
max time network
49s
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/evtxparse.pl
Size

2KB
MD5

65b2feb1d8f7478279f8a6b69f79caa9
SHA1

58e1acd3b8dfa5174db4bf68b267a507c30004ea
SHA256

c23db10c12319621206f0360f3fde7554518daa3f7fc8a6ee7a0da1a66548cd4
SHA512

ca2f488ffa094d8225c7febb06d69c97e24dca3e2e4d2b96df6d0bf9e02dce73fbb52573c395e32d6f8ce09a19b4ddb673a3c0aaaa8cf5a7570d0683fa548954

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-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
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	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\edit\command	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\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
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\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
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\open	rundll32.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1668 wrote to memory of 1648	1668	cmd.exe	rundll32.exe
PID 1668 wrote to memory of 1648	1668	cmd.exe	rundll32.exe
PID 1668 wrote to memory of 1648	1668	cmd.exe	rundll32.exe
PID 1648 wrote to memory of 468	1648	rundll32.exe	NOTEPAD.EXE
PID 1648 wrote to memory of 468	1648	rundll32.exe	NOTEPAD.EXE
PID 1648 wrote to memory of 468	1648	rundll32.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\evtxparse.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:1668

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\evtxparse.pl
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1648

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\evtxparse.pl
3⤵
PID:468

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/468-86-0x0000000000000000-mapping.dmp

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memory/1648-81-0x0000000000000000-mapping.dmp

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memory/1668-54-0x000007FEFC521000-0x000007FEFC523000-memory.dmp

Filesize
8KB

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