8ae976c8b28baa222b4fd527cccbad2d1102ed21c68f9082c53835fde94c2397

Analysis

max time kernel
150s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
28/03/2025, 13:40

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General

Target

encodings/base64_codec.py
Size

1KB
MD5

fc7b3609d9bfcb762563b548876984d2
SHA1

bfd452ccdc4571a5de605a8520daafa9997b907a
SHA256

cf9ac7a464f541492486241d1b4bf33e37b45c6499275cc4d69c5a8e564e5976
SHA512

ff48244ffdf6a2fb5bd15f2d6723c4268b0ca6dad3a59e03a5364fa9d48d42aae1cc001b12f45988853a99b520c8ee2bd69242fe0dd92b42493001fbd7e435d3

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-1-5-21-3290804112-2823094203-3137964600-1000_Classes\Local Settings	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2636	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2636	AcroRd32.exe
2636	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1548 wrote to memory of 3064	1548	cmd.exe	32
PID 1548 wrote to memory of 3064	1548	cmd.exe	32
PID 1548 wrote to memory of 3064	1548	cmd.exe	32
PID 3064 wrote to memory of 2636	3064	rundll32.exe	33
PID 3064 wrote to memory of 2636	3064	rundll32.exe	33
PID 3064 wrote to memory of 2636	3064	rundll32.exe	33
PID 3064 wrote to memory of 2636	3064	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\encodings\base64_codec.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1548
- 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.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:3064
- - 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.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2636

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
944c6272d7ba5c35f92810355fcad2c0

SHA1
3274027061ba359a4f54d6e76023be9fecff1cac

SHA256
0a8803eecaf878c83d0b662f9f6042e1f8669ed2a99755534b186c15edcd3430

SHA512
25d9ded3797557fbaa55f45a89e2adb2b5ae5819e6868489c67c636e3b6981ea659585a5207ae038d7a1a08f8b5bafd7a7277de0e21a7fa48645e69e813e521d

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