a617db081ad3b096a3c3255b06fb0b2eec1dfa570b06792be575f38c29199e90

Analysis

max time kernel
167s
max time network
121s
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

_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

Processes:

rundll32.exe

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_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-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.pyc	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

Processes:

AcroRd32.exe

pid	Process
2556	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid	Process
2556	AcroRd32.exe
2556	AcroRd32.exe
2556	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	Process	procid_target
PID 1144 wrote to memory of 2752	1144	cmd.exe	28
PID 1144 wrote to memory of 2752	1144	cmd.exe	28
PID 1144 wrote to memory of 2752	1144	cmd.exe	28
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30
PID 2752 wrote to memory of 2556	2752	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\_sysconfigdata.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1144
- 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:2752
- - 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:2556

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
300f688cb6e87a925b155f9cad16be09

SHA1
bf34828d9bc06fcac878a04cf8822e061ceff178

SHA256
04fe427310c0f00588075711ac8b22e659d1c1415800ab0e9c653a05dda69d0b

SHA512
53e878986d8b3e16f02b63985d01101b0d5ec10d063ca614b009f0e9dd57d51cca0c789861b90907a48ebda1e47f67463a8fa431bf0bb04b43df10688878fb8e

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