8a02c7a3a7b7bc12df0f144d7f19e4234cfb668f0363ae840c8bc5aefdb3fe61

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
22/02/2024, 14:51

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

Nitro-Generator-discord-nitro/readme.md
Size

1KB
MD5

e3b95bb9523eed0ff2c2b9cae7b9290f
SHA1

790e86c127b370fab9f9f530903fbe895df52483
SHA256

cba5f6d23b268db465fd1c5a4bbfd658ccff6088f62626823be9d2ff7b101243
SHA512

85d75a56d9b90e2606a83a83ef7c011cb58fca87586f681e23bd90aca91f0fb812f9c2b7d6aa748e60d6ad343035219eb488b755fea078c6abbcf5713bf9b5ab

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-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.md	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\.md\ = "md_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2297530677-1229052932-2803917579-1000_CLASSES\md_auto_file\shell\Read\command	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2468	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
2468	AcroRd32.exe
2468	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1796 wrote to memory of 2660	1796	cmd.exe	29
PID 1796 wrote to memory of 2660	1796	cmd.exe	29
PID 1796 wrote to memory of 2660	1796	cmd.exe	29
PID 2660 wrote to memory of 2468	2660	rundll32.exe	30
PID 2660 wrote to memory of 2468	2660	rundll32.exe	30
PID 2660 wrote to memory of 2468	2660	rundll32.exe	30
PID 2660 wrote to memory of 2468	2660	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\Nitro-Generator-discord-nitro\readme.md
1⤵
- Suspicious use of WriteProcessMemory
PID:1796
- 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\readme.md
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2660
- - 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\readme.md"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2468

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

Loading Replay Monitor...

Downloads

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

Filesize
3KB

MD5
b130b179cd9994d634b8d0bcf731c2c4

SHA1
181e16334fabe294f42ab16651980e0aeab7acab

SHA256
16eb7f63fc27b9f893b4183dbd9f809b5fc03e35ad375d9e1c872c226371b9b9

SHA512
7acbbd91d4d49654e6a52b708cd2723972659aea7de8cb12a3f4f5a0a3aa6697208415ae5ca9b038d9a2c97ed04d5365fbaa44ba4c91e4c9003178c28cefaa63

Download Submit