71ddfacd8ba48806396c95b279237998945cf8124875728f92d8a9d0489cddd2

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20231020-en
resource tags

arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
submitted
09-11-2023 22:02

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General

Target

_sysconfigdata.pyc
Size

20KB
MD5

934699af3b14cb5c632aefc2d86cb3b7
SHA1

3ee3e6cadba5e72a6686e22b8a71d0000373f50e
SHA256

046cc6eb5e2b675e6114962743d423e52f14c931ea35e7e117710251cc177dbf
SHA512

f6ea4b0412e13cac50c820969501ba23192c9dd06066005db8dc9a63af9cd36b187e189e9a4f5dd66872d5661d38210a69a00f0893d729f84b5c993b35b6783c
SSDEEP

384:f6KrM1y5Nz+bEtkjoLHvPWUS85cDWzy9uIu4JiyBK125Fk8Z:fvcm+bAAWzy9ux4JQg5PZ

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-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_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-1-5-21-2952504676-3105837840-1406404655-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2952504676-3105837840-1406404655-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2772	AcroRd32.exe
2772	AcroRd32.exe
2772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1636 wrote to memory of 2340	1636	cmd.exe	29
PID 1636 wrote to memory of 2340	1636	cmd.exe	29
PID 1636 wrote to memory of 2340	1636	cmd.exe	29
PID 2340 wrote to memory of 2772	2340	rundll32.exe	30
PID 2340 wrote to memory of 2772	2340	rundll32.exe	30
PID 2340 wrote to memory of 2772	2340	rundll32.exe	30
PID 2340 wrote to memory of 2772	2340	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_sysconfigdata.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1636
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\_sysconfigdata.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2340
- - 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\_sysconfigdata.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2772

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

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Downloads

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

Filesize
3KB

MD5
b82bf67bbe315a3609c7841f528e1007

SHA1
6b5de914d1400bcb0f29bbdc8ed36f786a42909f

SHA256
1f9832c2bc920b45543d503c4a792bb0fa49f7a0919618f36e1636762dd6a14d

SHA512
3939027f1cf15bc149a6c3a6ab8f36762eb095ec56fd48aca0fefd738378a4ec1478d29ddc39ff91b577c7409761051fecef954f7187c34a5227f991bb1a7885

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