955f8880178877e4fd5c6495c74bfb5132e522541efad5420b495733c893d24d

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
13-09-2024 15:56

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General

Target

main.pyc
Size

7KB
MD5

691d3d1c1fbfd1ca9daeb26e663eab45
SHA1

e6ad9efd4b0fb2333f696b9454e18eae7190ed8e
SHA256

a4314d60bd533ab0c8ff294687a1c845fb454d3a65e8956fd26b2ff88ee287b7
SHA512

ea0711819572f9707b9f8f29195103b0860db9f1bc7d856b755360a301b6aefbb6813e5cd8005d00a763b4b956b1b07d76e00cc56812ba334b61ce62613d0081
SSDEEP

192:wMibj7kFBD8L2eWdXwYmCqLJhw/Kf8i7Mdwtbnw:Aj7kFCpWuH2/Kfd7PJw

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-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_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-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	AcroRd32.exe
2796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3044 wrote to memory of 1768	3044	cmd.exe	31
PID 3044 wrote to memory of 1768	3044	cmd.exe	31
PID 3044 wrote to memory of 1768	3044	cmd.exe	31
PID 1768 wrote to memory of 2796	1768	rundll32.exe	33
PID 1768 wrote to memory of 2796	1768	rundll32.exe	33
PID 1768 wrote to memory of 2796	1768	rundll32.exe	33
PID 1768 wrote to memory of 2796	1768	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:3044
- 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:1768
- - 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:2796

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
d4e3e2ba474beddad5d32b3d1b555ecb

SHA1
d5d0d6d6c8716812c3830b9d6e400a0cbfee7e39

SHA256
e9ea3f9616d7b45d13433cf3a181dc7d262be536ba3f4b9f3bcbf494d1cdd51c

SHA512
08a5bfd266df92bb59c7566cbe198b73aa1770fbff01b731777892bd918f51cabcae23889ec17f0f3fcd414a475e1327c9682613fadc52110473bc25f363e9a2

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