8a02c7a3a7b7bc12df0f144d7f19e4234cfb668f0363ae840c8bc5aefdb3fe61

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 14:51

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General

Target

Nitro-Generator-discord-nitro/main.py
Size

4KB
MD5

585de85d0c2c07b0e3a6b241896bce14
SHA1

dc86358640345bb6fa24a04f5ee476c9a62dba1a
SHA256

71473c0eeff9ab9b8a4db8a8a8bc463f99be868ede55eb330628e37b4641b25b
SHA512

96218cb54c872235c1a17623d91378c9b45ee83ac82d81b1adae08da91be1ed9ef9b1fbf04a933be25333ca073f6729f4d1109826418746f84f656365bd2297b
SSDEEP

96:lsF1/TnTpxTRoCQfHGCp2i/gmcovRmwBt94CihmhZMYOIm2WiZkyQvqPXM/x:yTnTpxT2CQfJHgPovbTdih0ZnOIm2Wi2

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-1-5-21-2248906074-2862704502-246302768-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_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-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2248906074-2862704502-246302768-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2720	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2720	AcroRd32.exe
2720	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2240 wrote to memory of 2652	2240	cmd.exe	29
PID 2240 wrote to memory of 2652	2240	cmd.exe	29
PID 2240 wrote to memory of 2652	2240	cmd.exe	29
PID 2652 wrote to memory of 2720	2652	rundll32.exe	30
PID 2652 wrote to memory of 2720	2652	rundll32.exe	30
PID 2652 wrote to memory of 2720	2652	rundll32.exe	30
PID 2652 wrote to memory of 2720	2652	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nitro-Generator-discord-nitro\main.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2240
- 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-discord-nitro\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\Nitro-Generator-discord-nitro\main.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2720

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
8f1732629a701a37e0b069713c4c6e56

SHA1
c2ada324019b431fbdfc883c489367c753104009

SHA256
cd1b5c53b26334dd587bdf1b7983cf9f33ce409d4969b5b2b3eecdd13133912f

SHA512
bfb73d5cca4a5e7e8657bc084c8832873b9d2e9ca0945ffe2178138f0dd68cd530abc068c9a74bc56c6d0b48124bf789e3497a734536a72fb97d61eb1f9660ba

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