8f8e709127c6c77446a8c0a8c8bf3c8ee706a06cd44b1e827c3e6a2ee6b8c098

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
30/05/2024, 06:10

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

cffi/_shimmed_dist_utils.py
Size

1KB
MD5

b7704dcbdb4102133654ae3847ebf580
SHA1

7053287c4538a4c1a008ff11605e22b852cf63ba
SHA256

98bb84b71c3881bb80d837bf803ef31216fa43c5a6da504fb700baf2077d5d3b
SHA512

95adbfe51375c3cc61024c4f0007fecd7bfc14242e4a745d81303aa8108066e8db3596fe0d4321134bb5da4139bab7531f3acd00a8c62fc69193a09ed687a794

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 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-268080393-3149932598-1824759070-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2764	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2764	AcroRd32.exe
2764	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1812 wrote to memory of 2736	1812	cmd.exe	29
PID 1812 wrote to memory of 2736	1812	cmd.exe	29
PID 1812 wrote to memory of 2736	1812	cmd.exe	29
PID 2736 wrote to memory of 2764	2736	rundll32.exe	30
PID 2736 wrote to memory of 2764	2736	rundll32.exe	30
PID 2736 wrote to memory of 2764	2736	rundll32.exe	30
PID 2736 wrote to memory of 2764	2736	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\cffi\_shimmed_dist_utils.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1812
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\cffi\_shimmed_dist_utils.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2736
- - 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\cffi\_shimmed_dist_utils.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2764

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
141ad0c9f18bf33110afcc1421ccd7f7

SHA1
751cbb6d2558d0b399a1b338f7586eebb01a4435

SHA256
c107096674c26a54ca38d9c9e29c26c76af82802148d160f71bf66991ed72350

SHA512
37ca5c88aedb848ba67c07ee063d7995d750a5a2bc6ef428ffb99b778863a3ff9540a0eaf11afae6dc880ab8ed124ba2a1b45b81a1a8f929a79358651c445c60

Download Submit