f46d883cd970fecf0c090346c143a2f7dd6284298aa1c3276deb39d9c5a5cbe2

Analysis

max time kernel
117s
max time network
121s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
31/08/2024, 07:43

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General

Target

source_prepared.pyc
Size

172KB
MD5

b2e70f5e64b5d70b0744ad35171b72dd
SHA1

99b28c31500d73c6fe01862eca34bd155c46d2e4
SHA256

b3b4a899efbb5e03e937e28697a928a371d76b9e0cfc1a0e58eb88ac0ceb63dd
SHA512

23d42193717ad4502b2afe13023f371b33dec6e70f17a0909466a3170bc390e6c3d295179ed37f1ac777ecbca50c8a8fae5b7600a57226a45875b86478043086
SSDEEP

3072:CFfxyD0aOO2IC1VSTro4PZTw0I1ScQaQV+COOIvdXze0sTWn:C2D0aOO2ICarooIoRECWsM

Score

3^/10

discovery

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	AcroRd32.exe

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_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-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pyc	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2568	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2568	AcroRd32.exe
2568	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1628 wrote to memory of 2892	1628	cmd.exe	31
PID 1628 wrote to memory of 2892	1628	cmd.exe	31
PID 1628 wrote to memory of 2892	1628	cmd.exe	31
PID 2892 wrote to memory of 2568	2892	rundll32.exe	32
PID 2892 wrote to memory of 2568	2892	rundll32.exe	32
PID 2892 wrote to memory of 2568	2892	rundll32.exe	32
PID 2892 wrote to memory of 2568	2892	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:1628
- 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:2892
- - 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⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2568

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

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
a4e3e647a3c8ff9557cedf8fc2d3629d

SHA1
386d6667c8c4792ea5efcb1b23608116485d25a5

SHA256
f267df7c9caab819de4ef6907b926bb118df9e2354be11ad7acfaa44da0c994a

SHA512
158917d27303c51fbec95a7db92b7021417e771fc0e7a742592837f164866df19f46cf6196e8750702ae858c89ec92d1aac9fd6c4bd1aeeb2dfa3b34a91fcfc0

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