4fb52a9cb5ef0696312897d1070613a1f12632b92f55b1553aa28bdd2993b5ce

Analysis

max time kernel
137s
max time network
126s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
19-02-2024 14:56

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General

Target

NitroGenerator.py
Size

46KB
MD5

a86cdb9c66cc18e8aa83a8cf149ecfca
SHA1

cb79487356c442c1040ee13095230f6b2a4bbfe1
SHA256

4fb52a9cb5ef0696312897d1070613a1f12632b92f55b1553aa28bdd2993b5ce
SHA512

2bfbc9cf9e5453f2e9279283695779a1c795755d3a2a608605495d1451d089606578a3730f446eca4b153d20f400f89a1b338b6f14858fdb75636be26907a120
SSDEEP

768:Q1DAWRenXeihOCS9DtiXLCezzj/VppDPiDqWA:Q1kWRenhhFS9Dt6LvLVpZWA

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-1-5-21-3427588347-1492276948-3422228430-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_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-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3427588347-1492276948-3422228430-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2576	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2576	AcroRd32.exe
2576	AcroRd32.exe
2576	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2268 wrote to memory of 2796	2268	cmd.exe	29
PID 2268 wrote to memory of 2796	2268	cmd.exe	29
PID 2268 wrote to memory of 2796	2268	cmd.exe	29
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30
PID 2796 wrote to memory of 2576	2796	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\NitroGenerator.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2268
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\NitroGenerator.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2796
- - 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\NitroGenerator.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2576

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
7ed6286c30faad5286680c88f383907f

SHA1
6c57f4e4e369242875fdc94f9104ab8ceed1a429

SHA256
f9c6ab8397fc90ecf85fe5dc2ab13d08b42828ea54c2e27f824fedd706061943

SHA512
aba411a0cfb2357a00634429bdd3e7b0f8902bfcc5e08578097245edea10f97b7ed316dd04f70d0be7325bcb161b87b7421c6ccb3cd529affb2d57c38122d6a2

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