44f36dc1c320aa66475542842ee04f9e8e22841071c7ae0b25563bd2c3b78d5d

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
29-05-2024 02:50

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General

Target

main.pyc
Size

437B
MD5

e3a83cc96bc468e8ed5e99b61ab1b08c
SHA1

fc094fba9141e8ace98cce0309e1472b2471b631
SHA256

893f6af6a7c380817dd8a1e5f63e72225b82c9775dc8ca40a449ed86c0427932
SHA512

6d629486b39cef47bd2ce9b79ff792eebee83e4bdcbb30a756aabcbce75473a732ce2f3e89f0d200a4f9dc98765ce07538a9737cd428b2b372a6d36f4e78630d

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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000_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-1-5-21-3452737119-3959686427-228443150-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 2 IoCs

pid	Process
3020	rundll32.exe
2552	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2552	AcroRd32.exe
2552	AcroRd32.exe
2552	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1196 wrote to memory of 3020	1196	cmd.exe	29
PID 1196 wrote to memory of 3020	1196	cmd.exe	29
PID 1196 wrote to memory of 3020	1196	cmd.exe	29
PID 3020 wrote to memory of 2552	3020	rundll32.exe	30
PID 3020 wrote to memory of 2552	3020	rundll32.exe	30
PID 3020 wrote to memory of 2552	3020	rundll32.exe	30
PID 3020 wrote to memory of 2552	3020	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1196
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of WriteProcessMemory
  PID:3020
- - 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\main.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2552

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
0347ff07bd2c3d47e259bf637ca43c77

SHA1
35dde69a4caf86dc4e5fa0c7086807887f13421f

SHA256
6e3ee974be795592d7be1419aed11be48a737cfe52881497bed1f871217ae2a9

SHA512
101b956347a6bbc38cf08e806dca4c0ed971ede58dd63a9da8eb9ceefc8b08086b073427e378dfebc5ea7d68448a194442ccc5c00fc43d9156779b62126ba2b9

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