3041536c2a8e1a90ee11ba958e9ee764404a801fda04af11d256475064f752a6

Analysis

max time kernel
150s
max time network
51s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
14-12-2022 23:03

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General

Target

System Volume Information/WPSettings.dat
Size

12B
MD5

f456cb83106c0382caee7c7c082be1eb
SHA1

47198ee4dccf95bb770b5027c7804c0111398e5c
SHA256

260fa7ee11a84195a4221c0d245ac49af14f5c9b73df7ae9c8a8d06e82690d4e
SHA512

33897c18f4337aed4db5e73cddc985eed5e3449181042e0906757acb644d5bd7688840b35397e7bbd56b78545e078dbe1109dbbe9ebbff36a6de6e839d120827

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

Processes:

rundll32.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.dat\ = "dat_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\dat_auto_file\shell\Read	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\dat_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\dat_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\.dat	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\dat_auto_file\	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\dat_auto_file\shell	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\dat_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_Classes\Local Settings	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

1820 AcroRd32.exe
1820 AcroRd32.exe
1820 AcroRd32.exe

pid	process
1820	AcroRd32.exe
1820	AcroRd32.exe
1820	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 948 wrote to memory of 560	948	cmd.exe	rundll32.exe
PID 948 wrote to memory of 560	948	cmd.exe	rundll32.exe
PID 948 wrote to memory of 560	948	cmd.exe	rundll32.exe
PID 560 wrote to memory of 1820	560	rundll32.exe	AcroRd32.exe
PID 560 wrote to memory of 1820	560	rundll32.exe	AcroRd32.exe
PID 560 wrote to memory of 1820	560	rundll32.exe	AcroRd32.exe
PID 560 wrote to memory of 1820	560	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\System Volume Information\WPSettings.dat"
1⤵
- Suspicious use of WriteProcessMemory
PID:948

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:560

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:1820

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/560-76-0x0000000000000000-mapping.dmp

Download
memory/948-54-0x000007FEFC591000-0x000007FEFC593000-memory.dmp

Filesize
8KB

Download
memory/1820-81-0x0000000000000000-mapping.dmp

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memory/1820-82-0x0000000076961000-0x0000000076963000-memory.dmp

Filesize
8KB

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