e95cd0aef8dba18b6b85f1899f34c5cfee7f8625557447af247dc895cbd24da5

Analysis

max time kernel
103s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
11-07-2024 20:39

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General

Target

source_prepared.pyc
Size

173KB
MD5

00603f8aa7ec2634104bee76fa24d317
SHA1

b451f702968166bff5d1d7ec695716e2d0d3cdca
SHA256

07d7c9a07c737c375e554fbb47623c97b393d45f7fb38022f78bc94f72a59b56
SHA512

5aa211998fdb2865c4fc05c18ba8ab69e31c09649683d4a202390d597efd3cb2d4b0b7223e6a59e528bc77c72911e6b12871828acf9893cc50e4e2a51731efa9
SSDEEP

3072:+rohk0aOO22A1VSUkosPZTJ0pZyScWaQV+AcwIvdXzUsTWu:+rkk0aOO22ApkoHpL9EA7sP

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-1-5-21-2212144002-1172735686-1556890956-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2212144002-1172735686-1556890956-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2716	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2716	AcroRd32.exe
2716	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2528 wrote to memory of 2804	2528	cmd.exe	31
PID 2528 wrote to memory of 2804	2528	cmd.exe	31
PID 2528 wrote to memory of 2804	2528	cmd.exe	31
PID 2804 wrote to memory of 2716	2804	rundll32.exe	32
PID 2804 wrote to memory of 2716	2804	rundll32.exe	32
PID 2804 wrote to memory of 2716	2804	rundll32.exe	32
PID 2804 wrote to memory of 2716	2804	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2528
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\source_prepared.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2804
- - 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\source_prepared.pyc"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2716

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
d5dd72e506ca1bb1432d112164cb84cb

SHA1
82bcf74c5ef3d2f181c11a187525de7cacf16c39

SHA256
cfafff1653203c4c5c455e2fad638e32896d82e06a63cf92a2ab4f3275d196d9

SHA512
d59fc765b6cbfc077bfee9f83166529ebbaff86c4c378c774dc31222255aeca56cacf07701f9497fa32fa32c9166cc2292eb299174013fdd44e04e6dae16a5ff

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