d94259329e042360d48ba2d18cc630277afdaaeebf389dced4d5070831e6fe33

Analysis

max time kernel
117s
max time network
119s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
09-12-2024 23:00

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General

Target

encodings/base64_codec.pyc
Size

3KB
MD5

ad40198e4b7ee12c70fcc80df23c15e4
SHA1

83d1ee7249ea3154c543b8a74727c8eab240288d
SHA256

808827498bb0c3414cba76e4aa60df6102b4afa8cd0ff295f8d2228f106c6aad
SHA512

383c7e99732dd16e745af1515c1e4db556864c01333aa2f710c7e169f9e1c66224c4bd44d2c998031306d1c887b1ac800e3336ac6e44df53e2d2994b158e2265

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-1-5-21-2039016743-699959520-214465309-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2608	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2608	AcroRd32.exe
2608	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2288 wrote to memory of 2832	2288	cmd.exe	29
PID 2288 wrote to memory of 2832	2288	cmd.exe	29
PID 2288 wrote to memory of 2832	2288	cmd.exe	29
PID 2832 wrote to memory of 2608	2832	rundll32.exe	30
PID 2832 wrote to memory of 2608	2832	rundll32.exe	30
PID 2832 wrote to memory of 2608	2832	rundll32.exe	30
PID 2832 wrote to memory of 2608	2832	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\encodings\base64_codec.pyc
1⤵
- Suspicious use of WriteProcessMemory
PID:2288
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\encodings\base64_codec.pyc
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2832
- - 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\encodings\base64_codec.pyc"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2608

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
b168481f0a903798d8ba8e00580024a6

SHA1
50fdbea2bbe0b98e36825cb2d439a5602b3bceab

SHA256
803e5dcf237d36cbba694abebd23ab9e80d41dfe2a3e65ae16451f8c5170cc49

SHA512
13ecdfce5a46db06eea37930c70d5c6277858510956be89fd01db6795d0ca56ebaf1d034e7c791f9aecaf9b87afea79ae326ebb7bb0bc37fc9aa298e78ad7fad

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