6ef26a8ac83d7e17b484e7f3de0a66d5d27a32b0b48ed55517c2f6723b67d8da

Analysis

max time kernel
150s
max time network
126s
platform
windows7_x64
resource
win7-20230831-en
resource tags

arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
submitted
01/09/2023, 14:29

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General

Target

baseline.prof
Size

1KB
MD5

389d2215bb8d71bc50f92897b04b94a9
SHA1

ad3d5946ffb4fb2c7d4fbcc4252b625204888140
SHA256

652bc65f0b4f52b7380f91a2a7a007ec5298b788f66ee679f3522c7139fcb73d
SHA512

6a7acf737056063f563b7f3fd121f16b204f8e5f3f29ada7b69b8f3142351a9602b7bad70cf382cd7b3f93b8a982c7730b4d78fae0026dfe4be2973f0db30396

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-1-5-21-3849525425-30183055-657688904-1000_CLASSES\prof_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\prof_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.prof	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\.prof\ = "prof_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\prof_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\prof_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\prof_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3849525425-30183055-657688904-1000_CLASSES\prof_auto_file\	rundll32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
2724	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
2724	AcroRd32.exe
2724	AcroRd32.exe
2724	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1872 wrote to memory of 2700	1872	cmd.exe	29
PID 1872 wrote to memory of 2700	1872	cmd.exe	29
PID 1872 wrote to memory of 2700	1872	cmd.exe	29
PID 2700 wrote to memory of 2724	2700	rundll32.exe	30
PID 2700 wrote to memory of 2724	2700	rundll32.exe	30
PID 2700 wrote to memory of 2724	2700	rundll32.exe	30
PID 2700 wrote to memory of 2724	2700	rundll32.exe	30

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\baseline.prof
1⤵
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\baseline.prof
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:2700
- - 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\baseline.prof"
    3⤵
    - Suspicious behavior: GetForegroundWindowSpam
    - Suspicious use of SetWindowsHookEx
    PID:2724

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
12858675b498842bec473c55f096157e

SHA1
3b4cc231d1e9e2269739893011576f326b58441c

SHA256
97e4bf470866bca7a5be9c9b36cf4e965fd0b2b82caa883b9e37b6b592229b2d

SHA512
9a89c800d00c5157d2f683f3360af227ea14c7722b68f9df3c7bf9b12400203ffe7a33f17e1fd26cbf567fc75ba76ba82da074c03da2b82bf7835bd7bfe97b5b

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