913305bff95b672e842ddde3b364e07acc148033ba95e80f4ce257105a6b024d

Analysis

max time kernel
122s
max time network
123s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
19-09-2024 05:16

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General

Target

Update.py
Size

17KB
MD5

0351b38d536c00a750d03b7f82021e57
SHA1

24a0a1c199f2ff7d7483865463a240ec8576956c
SHA256

913305bff95b672e842ddde3b364e07acc148033ba95e80f4ce257105a6b024d
SHA512

550d10761d7a686d3fdbcba6c70ef40384e01c10e031b89ba99ee4a1646e88dfd38f29733f18e7fe5e2021bdcf3832e811e5190d39382b1f8602f58ca8045ae7
SSDEEP

384:I+MTotDsU9OqO55qzStVUK8YqCiUn01kRSkrMGZ8U/rDy1POQi6UUKy4NMDqlbHg:IRrkO55qGtVptTi8rTiqrkOQi6x4NMDl

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-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3551809350-4263495960-1443967649-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2796	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2796	AcroRd32.exe
2796	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2368 wrote to memory of 1844	2368	cmd.exe	31
PID 2368 wrote to memory of 1844	2368	cmd.exe	31
PID 2368 wrote to memory of 1844	2368	cmd.exe	31
PID 1844 wrote to memory of 2796	1844	rundll32.exe	33
PID 1844 wrote to memory of 2796	1844	rundll32.exe	33
PID 1844 wrote to memory of 2796	1844	rundll32.exe	33
PID 1844 wrote to memory of 2796	1844	rundll32.exe	33

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Update.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2368
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Update.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1844
- - 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\Update.py"
    3⤵
    - System Location Discovery: System Language Discovery
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2796

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
f3f31f610820e3cbb7b711f1b80d147b

SHA1
9abbc6056361c1c593856a53c2c6ab15eb9972ed

SHA256
75db430b34ec9dadade2e658305ef3b492aab0b8b95bd3d533cfc0ce96089f39

SHA512
530f1cb88c4e0257f3010ffcff695b93c558cf3a786b5cb19408cf0c6703be7380b30ed721789a73baee2229c18c5f24f3d6e68883de1d29d01d071465a0932e

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