d94259329e042360d48ba2d18cc630277afdaaeebf389dced4d5070831e6fe33

Analysis

max time kernel
120s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 23:00

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General

Target

codecs.pyc
Size

43KB
MD5

35dad19f6e006302dfae58dc9087823b
SHA1

ee44553868db7f4a6d3a7e96922a8367089d5235
SHA256

6002f4ead8edf5825bbdabfbdf9de855b516782d81e887bff9e81f476751314f
SHA512

d032ab606bb42451aca3845996e630219c55ad3cb791b4bfcd0beb20a2f42227c70a0f2a94a1765bd6d940d290989dff3f7f53a4bb8736d9c45243b5882f360c
SSDEEP

768:metNHwz9foVdWcgYxeNYKbgPFNJgODbbW0p1jygObNBDveaZtqrrVFvT2HZcaA8B:m/rYxvxrHxygoNB6aZtqXVFvT2HeiB

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-1-5-21-3533259084-2542256011-65585152-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2772	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2772	AcroRd32.exe
2772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2364 wrote to memory of 2552	2364	cmd.exe	31
PID 2364 wrote to memory of 2552	2364	cmd.exe	31
PID 2364 wrote to memory of 2552	2364	cmd.exe	31
PID 2552 wrote to memory of 2772	2552	rundll32.exe	32
PID 2552 wrote to memory of 2772	2552	rundll32.exe	32
PID 2552 wrote to memory of 2772	2552	rundll32.exe	32
PID 2552 wrote to memory of 2772	2552	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\codecs.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2364
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\codecs.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2552
- - 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\codecs.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2772

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
6f56b3103712ab1426789cf5cb6aadde

SHA1
b502c11f98d2623acb211b12a395371335c4235a

SHA256
4f7513fca9234468d717d0b35e8c90ba21185cb3d3276ee1e7064dcd3d8eb953

SHA512
d3a2e267aa4dcb99478277867f945e12770565d4f69b35915a2a0d0fa7496c3b6faca46fa938a035d2f1eb3fafc5acf6d184ae88e8b53ec77230c817b814eb0f

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