89e8fb748043d1bdbfb84dd8d5bdcc16c5a1fd0f0e9d8e603a4e64490e04963b

Resubmissions

13-05-2024 11:24

240513-nh59ksdb56 8

13-05-2024 11:20

240513-nfswgaca8z 3

12-05-2024 17:12

240512-vqxezaff8v 8

Analysis

max time kernel
121s
max time network
125s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
13-05-2024 11:24

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General

Target

Nitro-Generator-Checker-main/bettermain.py
Size

3KB
MD5

02ab68179cf707a94a84fc3de5d8b0da
SHA1

159cd530933f973e4b0a3abd863d0ccb32f80ec5
SHA256

f70ece5353748b334c5e1be5d4ec9faf5676afca78ac242ed4b3bf6993c0eea7
SHA512

584463c03db289041339e80932424ebd9292876b46aa4fe2f0fe4dace54b94028f74673d8f77b46955c8f570d3f551fdb3be5643d0f5249f298607f68a742740

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
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_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-1-5-21-3627615824-4061627003-3019543961-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2836	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2836	AcroRd32.exe
2836	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 2616	1752	cmd.exe	29
PID 1752 wrote to memory of 2616	1752	cmd.exe	29
PID 1752 wrote to memory of 2616	1752	cmd.exe	29
PID 2616 wrote to memory of 2836	2616	rundll32.exe	30
PID 2616 wrote to memory of 2836	2616	rundll32.exe	30
PID 2616 wrote to memory of 2836	2616	rundll32.exe	30
PID 2616 wrote to memory of 2836	2616	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nitro-Generator-Checker-main\bettermain.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\Nitro-Generator-Checker-main\bettermain.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2616
- - 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\Nitro-Generator-Checker-main\bettermain.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2836

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
2f32f51f3d76e8bbe2339fede4d04897

SHA1
76c3a9b095412bcb785e7794e8ba3ef9a656a5cd

SHA256
d4a96ca2500d2540a9f88fd87c690bb75775488ca12f60ee417da73c5d0d52cd

SHA512
38f6b6d1654e201c5be5ab14bd991ba24ccf99558eb2b3610688b7f5cfee01a830b9580cf54ad284bc33c0e06f908df76c7e3b8fbdef2e05b57f70bb4e1287e1

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