0fa37a62a744c6965c941a42f94fa968a9b2ec91be29f5fbda9207639b260e29

Analysis

max time kernel
153s
max time network
155s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
11/10/2023, 22:41

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General

Target

NitroGen/main.py
Size

4KB
MD5

fa6183a623395f0ab9481f7531ca7fe2
SHA1

5358f133340928e04aecf5481b59728549f4c53d
SHA256

5d20547db56ebd760e261d4689cac95b9c11b34860bd93017a730224a03c785b
SHA512

a0e513598bc688a72520cc05ac8c900e89ef5174d9caa40b162540079589713ca695bf8f2690246e860ca66a23d8ae3365075e2dce5683c1475449b11d98a0b8
SSDEEP

96:BnA3kNa8ZM3Wj5a/vRHgibx6NaQUY0xUuZE0fxJJTbOl+//llzg4GsNMds:asa8ZXjI/CJNaQBFuZE0fxJxRAu

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-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\.py	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_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-1-5-21-3513876443-2771975297-1923446376-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3513876443-2771975297-1923446376-1000_CLASSES\py_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
3036	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3036	AcroRd32.exe
3036	AcroRd32.exe
3036	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1688 wrote to memory of 2652	1688	cmd.exe	29
PID 1688 wrote to memory of 2652	1688	cmd.exe	29
PID 1688 wrote to memory of 2652	1688	cmd.exe	29
PID 2652 wrote to memory of 3036	2652	rundll32.exe	30
PID 2652 wrote to memory of 3036	2652	rundll32.exe	30
PID 2652 wrote to memory of 3036	2652	rundll32.exe	30
PID 2652 wrote to memory of 3036	2652	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\NitroGen\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:1688
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NitroGen\main.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2652
- - 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\NitroGen\main.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:3036

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

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Downloads

C:\Users\Admin\AppData\Roaming\Adobe\Acrobat\9.0\SharedDataEvents

Filesize
3KB

MD5
5be2815a10d5116db4b1e65acb0cf54e

SHA1
02500b9e7783570511d49dc4ed82cffab90a80dd

SHA256
3298dd2efac932b2a361832744ca7bf37c95504ef16e6feea0bc88229d69bcf3

SHA512
dc6b36b8961bb330b9967c029103126051023f4f4938ccabfe47b6250c1f2ea503418001a51696ec22936cb1cf4c858cee138f1dc3246e970ceb98abcb843195

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