65f9ac79659c9a5646c680ae7dfab4dac62b11b6fa228559ecf35bf1ea18eed4

Analysis

max time kernel
120s
max time network
46s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
13-02-2023 22:01

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General

Target

System Volume Information/WPSettings.dat
Size

12B
MD5

a9ef3aa2e3d9657648d5e3c17d24978a
SHA1

58d8998481c30413fb624f7425922bdd4fb25645
SHA256

43fa536aa01e49280fc1fe0a570df38cf7e87f8104a5a51ce98f5cbef2b99cbf
SHA512

643d7b7f3b688d55f4f18956fa976c904ac8ce658e11ce7f4f2f49faba5f514482a3d86402c991df537fd8a53c74abc61569334592fc2f011d2360cbb1f5b3ef

Score

3^/10

Malware Config

Signatures

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Modifies registry class 10 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\dat_auto_file	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\.dat	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-2292972927-2705560509-2768824231-1000_Classes\Local Settings	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1680	AcroRd32.exe
1680	AcroRd32.exe
1680	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 2036 wrote to memory of 388	2036	cmd.exe	28
PID 2036 wrote to memory of 388	2036	cmd.exe	28
PID 2036 wrote to memory of 388	2036	cmd.exe	28
PID 388 wrote to memory of 1680	388	rundll32.exe	29
PID 388 wrote to memory of 1680	388	rundll32.exe	29
PID 388 wrote to memory of 1680	388	rundll32.exe	29
PID 388 wrote to memory of 1680	388	rundll32.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\System Volume Information\WPSettings.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:2036
- C:\Windows\system32\rundll32.exe
  "C:\Windows\system32\rundll32.exe" C:\Windows\system32\shell32.dll,OpenAs_RunDLL C:\Users\Admin\AppData\Local\Temp\System Volume Information\WPSettings.dat
  2⤵
  - Modifies registry class
  - Suspicious use of WriteProcessMemory
  PID:388
- - 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\System Volume Information\WPSettings.dat"
    3⤵
    - Suspicious use of SetWindowsHookEx
    PID:1680

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

Replay Monitor

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Downloads

memory/1680-82-0x00000000762D1000-0x00000000762D3000-memory.dmp

Filesize
8KB

Download
memory/2036-54-0x000007FEFBB41000-0x000007FEFBB43000-memory.dmp

Filesize
8KB

Download