378a445c2995010f1a268b7ff8f311660fc2f8dabca36ff985ebdba11868c99d

Analysis

max time kernel
361s
max time network
362s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27-09-2024 14:39

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General

Target

main.pyc
Size

41KB
MD5

ba462638bcd4eac66d40fbf2c1d9a9a1
SHA1

a140b432c10bf91b22a197b66cde440041a4b445
SHA256

4e0e87a67016020d8d1c2f565395ea5224dda441bad34c7c5bb09e9fd5a13f32
SHA512

4ef3d370363dc461dd11a89fd1bc267f21e6f3ea24e8f733ce07ffff782021dbd89c85ceecd3f4deae3aff7a2e629d794142cd1cbb8d2545f1f073e91c413643
SSDEEP

768:yYkNeymucK+m/vsW+ROnBI56DnKcN8tiqzalG:UeymFmcH56rKI8tiqzalG

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-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pyc_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pyc	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pyc_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pyc_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pyc_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pyc_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\.pyc\ = "pyc_auto_file"	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3063565911-2056067323-3330884624-1000_CLASSES\pyc_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2572	AcroRd32.exe
2572	AcroRd32.exe
2572	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 3048 wrote to memory of 2836	3048	cmd.exe	31
PID 3048 wrote to memory of 2836	3048	cmd.exe	31
PID 3048 wrote to memory of 2836	3048	cmd.exe	31
PID 2836 wrote to memory of 2572	2836	rundll32.exe	32
PID 2836 wrote to memory of 2572	2836	rundll32.exe	32
PID 2836 wrote to memory of 2572	2836	rundll32.exe	32
PID 2836 wrote to memory of 2572	2836	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\main.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:3048
- 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:2836
- - 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 use of SetWindowsHookEx
    PID:2572

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
a19419b0a67643ad6594798567283329

SHA1
5787f503412a7e3b4b3bd8c282c346c877ae3199

SHA256
3a56edd1b93508a78b24ff7fa0a8f6fca92a39acff218cf60dab09dcc1d235e7

SHA512
74226ffff44bbeb1fd6282be36c4ece15e278123a2f5954f8a1f7fbffb2ca7ba997aa227f5cbe6801383579eef2c09c233847675bbbaa162e595f81c4248a16b

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