7554ee50c267a51e976cacf20893b08bc2a5aa52fd4249eb7e4acba15a1a83c1

Analysis

max time kernel
120s
max time network
125s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
04/02/2024, 05:56

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
misc.pyc
Size 5KB
Sample240204-gm83psbae2
SHA256 b522284f1a7e518c269c0414160407ec7834a4397f85ef389433b49367b5df9c
MD5 31aa260c6cdeaa9d942cd0dcfcadd16a
SHA1 a6818f3acf5c2ab9d65b41a81cb92b36b85cc932
SHA512 0dd277ef948315a3554bd8c5110e27afa9b2eac88defc1211771c050cdd27b3668484dec35ec5c5010bff00b62c2cebd9e7286c0b114ad28437719b42bd0fc2c
SSDEEP 96:DSajAihmJG4n3B4SmSSSSlSSSShDwegPbbVxlj0nIAEDS5ejmw01k9Bddpq:eYAfn3ySmSSSSlSSSSeeOPVxx0nIAZeQ
MD5 SHA1 SHA512 SSDEEP

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2596	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2596	AcroRd32.exe
2596	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2748 wrote to memory of 2808	2748	cmd.exe	29
PID 2748 wrote to memory of 2808	2748	cmd.exe	29
PID 2748 wrote to memory of 2808	2748	cmd.exe	29
PID 2808 wrote to memory of 2596	2808	rundll32.exe	30
PID 2808 wrote to memory of 2596	2808	rundll32.exe	30
PID 2808 wrote to memory of 2596	2808	rundll32.exe	30
PID 2808 wrote to memory of 2596	2808	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\misc.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2748
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\misc.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2808
- - 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\misc.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2596

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

SharedDataEvents

Path C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents
Size 3KB
SHA256 eb971d7287d4ba59ca30282ce9be372e6e932692976e0cd467f676e9f56896f0
MD5 2fc38ab65c55b1d9e7ce67dd9ec49f67
SHA1 a973b5ed5b341f453106e8fd69ac53a42058c9ad
SHA512 b6e0a99c66ce4613e83abf3fbcd080a6eb7e1195fee887c1ab925a1c02ae484359ae7fa89855b1627dbf81714b418af921c39c734d0c5ee63f179018cdc05610
MD5 SHA1 SHA512

Submit Download