8e86e10a9b3a48604514c4fab81a68afcc48d1cbcf932255afdc8ca85e33c12d

Analysis

max time kernel
300s
max time network
34s
platform
windows7_x64
resource
win7-20230220-en
resource tags

arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
submitted
17/05/2023, 04:26

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General

Target

PvZRT_Data/kcedit.mfx
Size

32KB
MD5

b00898b2cf3f8bfc98d782fba8b5c72b
SHA1

4851163436946fd145048104bd1a47d34840fc3d
SHA256

48bb645990f1a703a1e9fdad3c765824db23c8f5e25b388c82dd25cb83fe31d0
SHA512

0ed0c44e3f0f147655ebf0b1a2627c7eff895342a09c0410405b9b8c5dfa9c1da588731873ec2c03259a89a58b9c4c7cbd5119c5e4952e8d024aaef36e7b6626
SSDEEP

384:s1Ye/oIRL3Pe34vFRNBX5jkDEXCeyHoPy0Kgr:+vQqLfrT5meqoHK

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-1-5-21-1563773381-2037468142-1146002597-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.mfx\ = "mfx_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\mfx_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\mfx_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\.mfx	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\mfx_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\mfx_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\mfx_auto_file\shell\Read\command	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-1563773381-2037468142-1146002597-1000_CLASSES\mfx_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1772	AcroRd32.exe
1772	AcroRd32.exe
1772	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2020 wrote to memory of 1884	2020	cmd.exe	28
PID 2020 wrote to memory of 1884	2020	cmd.exe	28
PID 2020 wrote to memory of 1884	2020	cmd.exe	28
PID 1884 wrote to memory of 1772	1884	rundll32.exe	29
PID 1884 wrote to memory of 1772	1884	rundll32.exe	29
PID 1884 wrote to memory of 1772	1884	rundll32.exe	29
PID 1884 wrote to memory of 1772	1884	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\PvZRT_Data\kcedit.mfx
1⤵
- Suspicious use of WriteProcessMemory
PID:2020
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\PvZRT_Data\kcedit.mfx
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:1884
- - 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\PvZRT_Data\kcedit.mfx"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1772

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Windows 7 deprecation

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