39ec76a40c9ca23930ef6191263e8b613d7cf2280cc1371dc9ee3b6ea7827d24

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
18-12-2024 12:39

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General

Target

lib/copy_reg.pyc
Size

2KB
MD5

dd30745c8cade086fadb51b38ac23f6d
SHA1

3b15cc32663113a32074fb2e07a7aa7ab3b01458
SHA256

b439ddd80008eafc91ead4eb876c930cfd3f91af8c43505624fb2ffbbc7f6de8
SHA512

e644a59b8587a961d3435bd194a5386da1e4329008547a8e475b3809595750609a57fdcec8477863e08020275bfd28d2ee2612b2632021a0c344721423fa2e57

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 1 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2892	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2892	AcroRd32.exe
2892	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1600 wrote to memory of 1676	1600	cmd.exe	31
PID 1600 wrote to memory of 1676	1600	cmd.exe	31
PID 1600 wrote to memory of 1676	1600	cmd.exe	31
PID 1676 wrote to memory of 2892	1676	rundll32.exe	33
PID 1676 wrote to memory of 2892	1676	rundll32.exe	33
PID 1676 wrote to memory of 2892	1676	rundll32.exe	33
PID 1676 wrote to memory of 2892	1676	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\lib\copy_reg.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:1600
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\lib\copy_reg.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1676
- - 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\lib\copy_reg.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2892

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
82c631af0fb2f06760afcfaea398ba62

SHA1
bf302ce2dd97e65e4496eb7fb295d9e7d9e113e1

SHA256
44760a6b83e7d1dd51c279085eab1e63b9acaa6d0c55240a0f61a347df103ea3

SHA512
62ca5076e3506a1e3c00d0b12e7dab7bd69632c172adcf1549ea9183aac0b0e260bc019f6d4c33f3fa2694cd4aedda2a2737d57a0bc6075b0ccc3fa22dc61f62

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