d10cf685acdb897e304693c2d7e7f78805a134b206d292eac4ed63ed80393077

Analysis

max time kernel
1563s
max time network
1567s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
20/02/2024, 07:28

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General

Target

Neptune-main/neptune.py
Size

41B
MD5

5d2e6ded09185d75b82f0914d5a5ddd4
SHA1

4ab3cd2d43c16b98b056a22a9cc0f5c070c6bf45
SHA256

7d869545d02a9b112199d9f14b8dbdad65bb2e315f8e0f4cb4b8f68084cc2fc0
SHA512

583293d9469394d410d9a46db43c5328f340c07400e85dcfd3c8de03434789cb4c8e755b52b2e6e95f2eaee9083be6d7f06175cac831e6f1128a127ec279b8ef

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Modifies registry class 9 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_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-1-5-21-452311807-3713411997-1028535425-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-452311807-3713411997-1028535425-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2744	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2744	AcroRd32.exe
2744	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2012 wrote to memory of 2840	2012	cmd.exe	29
PID 2012 wrote to memory of 2840	2012	cmd.exe	29
PID 2012 wrote to memory of 2840	2012	cmd.exe	29
PID 2840 wrote to memory of 2744	2840	rundll32.exe	30
PID 2840 wrote to memory of 2744	2840	rundll32.exe	30
PID 2840 wrote to memory of 2744	2840	rundll32.exe	30
PID 2840 wrote to memory of 2744	2840	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Neptune-main\neptune.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2012
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Neptune-main\neptune.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2840
- - 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\Neptune-main\neptune.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2744

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

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
7d3de4640de64c22f1e669f9d933062c

SHA1
546e5267edce84cd058545c7d5b768fa8df5a5da

SHA256
bd7e398e060a6305c5a3bca2986c437a9b30674b342442c45e7bdd4ab3c73cc4

SHA512
de8368b3f461e41fb37956ebd9ad5210f1a4b8dd4d12d9fada30b6a784fdf530167d87bfe823ccfc74a0230e6b5a4d4894e1eaa1e556951babde71d7362a1828

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