a778818cc08d213d1f66db5fa8b34aabc862569ecb99fd1aea37ff6ccab48400

Analysis

max time kernel
150s
max time network
32s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
12-06-2023 07:25

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General

Target

UserDict.pyc
Size

11KB
MD5

efcbe1f3ba66174c7498b9d02b74c84c
SHA1

dbe94d3516b2b179124dbb7db5fa6241c3e6045c
SHA256

94dd9035bc81842df7e50550da82db7bcf3d2786387c34bca660e0836d67e9b3
SHA512

b3133caccd23b2598a10e38d08b5338426b2bd4488f984841535dd8802054619690b7763e1c38c5a61e9de1f7d15543fb0da6d91672256649022f3aa858d510d
SSDEEP

192:rhktDonbVYqbaighlUFLynIxNaHH28fbKHO0uo9DIKJq70KZEJ4blivYbi5+SH5P:3nbOqbaiAqFLynIxNanBfOO0uoaKJq7G

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 10 IoCs

Processes:

rundll32.exe

description	ioc	process
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2961826002-3968192592-354541192-1000_CLASSES\pyc_auto_file	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

996 AcroRd32.exe
996 AcroRd32.exe
996 AcroRd32.exe

pid	process
996	AcroRd32.exe
996	AcroRd32.exe
996	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1316 wrote to memory of 1160	1316	cmd.exe	rundll32.exe
PID 1316 wrote to memory of 1160	1316	cmd.exe	rundll32.exe
PID 1316 wrote to memory of 1160	1316	cmd.exe	rundll32.exe
PID 1160 wrote to memory of 996	1160	rundll32.exe	AcroRd32.exe
PID 1160 wrote to memory of 996	1160	rundll32.exe	AcroRd32.exe
PID 1160 wrote to memory of 996	1160	rundll32.exe	AcroRd32.exe
PID 1160 wrote to memory of 996	1160	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\UserDict.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1316
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\UserDict.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1160
- - C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe
    "C:\Program Files (x86)\Adobe\Reader 9.0\Reader\AcroRd32.exe" "C:\Users\Admin\AppData\Local\Temp\UserDict.pyc"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:996

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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