08b9d0fccb22de5647b33b2fe736f86bc82770bcb42033f8b27fa75ab2a7fdb3

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
14/09/2024, 10:49

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General

Target

main.pyc
Size

35KB
MD5

da8cbe2184fd6fa0fa83e6bf81e08e63
SHA1

a70ad343025e9dffc3846c1583cbe6a462bdde1b
SHA256

771efa3dea3a531a47b1026808d8dc7c1fbf4ff0fa434f42d3782ffcf593bdb4
SHA512

a4525b37d4a54514838986de02404c17ba13f8692844e8c32eaa1e24a890d52dc68dd52d8e19682ed621ba5f5da815815d58b644ac8c1a73697c4a0826bdc8f5
SSDEEP

768:CCxH02PwJtK63Ih71PR3PAJnRV1y6waSQa7eCSG6QJqv1Ix/bqNbrLT9YoS6qVqm:1H00wJtK6e7L4nX1y6waSQa7eCSG6QJD

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-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000_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

pid	Process
2908	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2908	AcroRd32.exe
2908	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2516 wrote to memory of 2256	2516	cmd.exe	31
PID 2516 wrote to memory of 2256	2516	cmd.exe	31
PID 2516 wrote to memory of 2256	2516	cmd.exe	31
PID 2256 wrote to memory of 2908	2256	rundll32.exe	32
PID 2256 wrote to memory of 2908	2256	rundll32.exe	32
PID 2256 wrote to memory of 2908	2256	rundll32.exe	32
PID 2256 wrote to memory of 2908	2256	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2516
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\main.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2256
- - 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\main.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2908

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

Replay Monitor

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Downloads

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

Filesize
3KB

MD5
eb7647aed132df0e8c470199fa4dd84e

SHA1
ef8ed2fbfeb4d442797eb05cbbbf7d98cf1d24fa

SHA256
039d8ae72212cd2340138fd675b66a826ff13177fb1271c5945031cbab589ff1

SHA512
31af6ed49a0443792f8b2d491a5706a6347ee2bc596cdc045ce8bec6a3e1d6236170433bf11d9a9eecf5c50522821ec251b1239bcf94f58bac337277e5024b4c

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