c16fb37174db73f6d6070a87c43beda40357452e1e7ca344fe457b836c9d6976

Analysis

max time kernel
121s
max time network
126s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/06/2024, 15:45

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General

Target

tool-boost-funk-boost/keyauth.py
Size

20KB
MD5

c157a5496487354c7015572e8d69a0a2
SHA1

acc9cba96bb1338e15054df5b21a77615146ea3e
SHA256

4a07961411041bb06b08fd35b46e3f6814c7754f4629d689142d4da7d7424069
SHA512

5f775dcb30d6e01b63b88915873b9c76676601aac843ba5ba13f82a7ed1441237ff97a6d7092ebdff8e0545acc15b4542371d29fc22dfb9a7fa434f2a1bd1ad6
SSDEEP

384:BwzmXsqos8E0bA8vKhi/IExArtnAwmNCtXD2xC1RDcFinlvRElXAKblNK0WaMJQI:BwzmXsqos8E0bA8vKhi/IExArtnAwmNQ

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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\.py\ = "py_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_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-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-330940541-141609230-1670313778-1000_CLASSES\py_auto_file\shell	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1992	AcroRd32.exe

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
1992	AcroRd32.exe
1992	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2220 wrote to memory of 1636	2220	cmd.exe	31
PID 2220 wrote to memory of 1636	2220	cmd.exe	31
PID 2220 wrote to memory of 1636	2220	cmd.exe	31
PID 1636 wrote to memory of 1992	1636	rundll32.exe	32
PID 1636 wrote to memory of 1992	1636	rundll32.exe	32
PID 1636 wrote to memory of 1992	1636	rundll32.exe	32
PID 1636 wrote to memory of 1992	1636	rundll32.exe	32

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\tool-boost-funk-boost\keyauth.py
1⤵
- Suspicious use of WriteProcessMemory
PID:2220
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\tool-boost-funk-boost\keyauth.py
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1636
- - 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\tool-boost-funk-boost\keyauth.py"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:1992

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
e7ff697c9b428d06d2779bdbbeac9f88

SHA1
b5eeea719b49ba999605a8676ce0d3e00ffe7322

SHA256
475cb54ce348c3d3838c4967df7a8a07a9b27b643fbddf64e181225a40327409

SHA512
21fa53ec11e76cf21d3ec411b3d8423128ca89ae539b7139e8aaa8717b534118bb70bfd5d086a9b7464ac9817e74e562ad80158ef0976ea4b222efc100d1920c

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