77b4650847cb0c0389bcbe8feda2807d42d3f59cdd3f2b0b07f8dcc04e904fa4

Analysis

max time kernel
30s
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/evtparse.pl
Size

6KB
MD5

c7357619fa07e0a3c24132de7b1beb3e
SHA1

9b23d9970f89637c5932a6baa9bbae08eef35fd8
SHA256

44126a4eeca8aae3a568b47484eaf3319afc740630899c250cd87c03fec76f35
SHA512

f611fbfb9ae9648023f5b5fe0d2ef64c58caf9727e65bb478ebb99d81ae76076426c9d0ccb2943b2ff70fdeb78223873abbdc401058e295425401ea24ddd75bf

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\pl_auto_file	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	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2277218442-1199762539-2004043321-1000_CLASSES\pl_auto_file\shell\edit\command	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\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
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 848 wrote to memory of 988	848	cmd.exe	rundll32.exe
PID 848 wrote to memory of 988	848	cmd.exe	rundll32.exe
PID 848 wrote to memory of 988	848	cmd.exe	rundll32.exe
PID 988 wrote to memory of 1392	988	rundll32.exe	NOTEPAD.EXE
PID 988 wrote to memory of 1392	988	rundll32.exe	NOTEPAD.EXE
PID 988 wrote to memory of 1392	988	rundll32.exe	NOTEPAD.EXE

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\evtparse.pl
1⤵
- Suspicious use of WriteProcessMemory
PID:848

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\evtparse.pl
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:988

C:\Windows\system32\NOTEPAD.EXE
"C:\Windows\system32\NOTEPAD.EXE" C:\Users\Admin\AppData\Local\Temp\APT-Hunter-master\Tools\HCTOOLS\source\evtparse.pl
3⤵
PID:1392

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/848-54-0x000007FEFBAA1000-0x000007FEFBAA3000-memory.dmp

Filesize
8KB

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memory/988-81-0x0000000000000000-mapping.dmp

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memory/1392-86-0x0000000000000000-mapping.dmp

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