a617db081ad3b096a3c3255b06fb0b2eec1dfa570b06792be575f38c29199e90

Analysis

max time kernel
170s
max time network
125s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11-10-2023 10:08

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General

Target

re.pyc
Size

14KB
MD5

c4c8225af08a68323823b7323f15f117
SHA1

a57deabed7a661d59350b5692095db9d12a0c709
SHA256

4266137f82d1bf4c1b0d20d9ea0d45ba8f1aa6fca15140fe30fd0dd99d6ff21e
SHA512

42ae0fb234c13a8e1f73f72c030d2585b0e062ba1b33d8743db2aa1e415b79c26bd6c687f56f8de88747ed6c090c07b723e47caa0225507609e7bf3315e0bb72
SSDEEP

192:dLhuPG2DARzAuXTCQL5rPb+mPNGL6R/UX8tcFfesWtGAsZCNe7Ms:nuPjDssWPSIMX8tYfepGr1

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

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2180306848-1874213455-4093218721-1000_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

Processes:

AcroRd32.exe

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 2244 wrote to memory of 2712	2244	cmd.exe	29
PID 2244 wrote to memory of 2712	2244	cmd.exe	29
PID 2244 wrote to memory of 2712	2244	cmd.exe	29
PID 2712 wrote to memory of 2724	2712	rundll32.exe	30
PID 2712 wrote to memory of 2724	2712	rundll32.exe	30
PID 2712 wrote to memory of 2724	2712	rundll32.exe	30
PID 2712 wrote to memory of 2724	2712	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\re.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2244
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\re.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2712
- - 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\re.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
ceebf97f9b9bebbec21480e513fa70f2

SHA1
188e50aaea746bf4a62468400b38f5e65a4aff85

SHA256
cffe5c8392d8359f52263a4e8b3f102c52f30d56d3d4cf860bc82f34fc2e168a

SHA512
be4b73f8b3b53cc6ad01b72c42807997639ee9729cdb4c2c9a20af2903e53eadc58f29da4bc48478b22d1d87848bbe64effc4d5e9a0869d2196bab0cd56a2e71

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