36c6338180350081adaf2ea52e4d39c29ddcbd4b7a52bc1a3d125ea97f6100be

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
13-01-2024 04:11

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General

Target

Parmen.pyc
Size

309KB
MD5

aaa6e773ab235b30c4768f3a707fa54a
SHA1

8177fb17a55ba8363ff67901e64836da41bd85c4
SHA256

ddc8739c0b4c4964ffb218487ede5c56d71e0f71995a298ca475cbc31a816482
SHA512

503271971c59d1bae5cbc39ba31e469851b4744ac1dba92273bfa34cb09842f0649b2ef7c1d3a294d6a15308e57586e95cf36a8993723c3739cc04b9078bfe7c
SSDEEP

6144:gE076yQxQmpu4oLHVQHs0SZskP07mDzGlmPvX+lqSNuYG7a5WAfMAgRHSQ+7AR7t:VyQWmpu4orVQHs0SZsk87mDzGlmPvX+M

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-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_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-1-5-21-928733405-3780110381-2966456290-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-928733405-3780110381-2966456290-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2972	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2972	AcroRd32.exe
2972	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2124 wrote to memory of 3032	2124	cmd.exe	29
PID 2124 wrote to memory of 3032	2124	cmd.exe	29
PID 2124 wrote to memory of 3032	2124	cmd.exe	29
PID 3032 wrote to memory of 2972	3032	rundll32.exe	30
PID 3032 wrote to memory of 2972	3032	rundll32.exe	30
PID 3032 wrote to memory of 2972	3032	rundll32.exe	30
PID 3032 wrote to memory of 2972	3032	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Parmen.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2124
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Parmen.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3032
- - 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\Parmen.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2972

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

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Downloads

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

Filesize
3KB

MD5
029aca73b6a4f959b770a23920de5ea8

SHA1
6c3c40fd6b7df2f5bb7d37a90600dd4e6970a45a

SHA256
51ca432a21a071f479074fae6fb5ab740c34d953580d644ee9636b2ee0aae92a

SHA512
c5372f8b69f0440a713fae81bdc3c4bcd7459c03379b5ffcb66ecef0a0788199836e4cbba0271554ba3aa8195ca2bccd7ed2b26b9a4ec5c119e85b8dcfb5f4bf

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