fb2e466347b6a320ce7923193accfe2865a71833e3f28f82314528aaeff0124a

Analysis

max time kernel
152s
max time network
44s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
20-10-2022 21:30

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General

Target

manifest.json
Size

572B
MD5

a872d78bc5cab72bbc90b70ab1be8d33
SHA1

bfaf133071dfda6ad5fda38c056bbaa681b62792
SHA256

b65d1565169a67e43562714c1bf0879544445ef771c8604552d38f2c618ec89e
SHA512

6c10928647d824ea013e087d2306449575418431b3ff298f859e866d0e9e1b009f679336fcdaf7d2df5a72938b71f4cf6830eccacd8055498c96fb3018cd580f

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
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_Classes\Local Settings	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\json_auto_file\	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\json_auto_file\shell\Read\command\ = "\"C:\\Program Files (x86)\\Adobe\\Reader 9.0\\Reader\\AcroRd32.exe\" \"%1\""	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\json_auto_file\shell	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\json_auto_file\shell\Read\command	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\json_auto_file	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.json	rundll32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\.json\ = "json_auto_file"	rundll32.exe
Key created	\REGISTRY\USER\S-1-5-21-999675638-2867687379-27515722-1000_CLASSES\json_auto_file\shell\Read	rundll32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

AcroRd32.exe

pid process

920 AcroRd32.exe
920 AcroRd32.exe
920 AcroRd32.exe

pid	process
920	AcroRd32.exe
920	AcroRd32.exe
920	AcroRd32.exe

Suspicious use of WriteProcessMemory 7 IoCs

Processes:

cmd.exerundll32.exe

description	pid	process	target process
PID 1872 wrote to memory of 1680	1872	cmd.exe	rundll32.exe
PID 1872 wrote to memory of 1680	1872	cmd.exe	rundll32.exe
PID 1872 wrote to memory of 1680	1872	cmd.exe	rundll32.exe
PID 1680 wrote to memory of 920	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 920	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 920	1680	rundll32.exe	AcroRd32.exe
PID 1680 wrote to memory of 920	1680	rundll32.exe	AcroRd32.exe

C:\Windows\system32\cmd.exe
cmd /c C:\Users\Admin\AppData\Local\Temp\manifest.json
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\manifest.json
2⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1680

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\manifest.json"
3⤵
- Suspicious use of SetWindowsHookEx
PID:920

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/920-81-0x0000000000000000-mapping.dmp

Download
memory/920-82-0x0000000075841000-0x0000000075843000-memory.dmp

Filesize
8KB

Download
memory/1680-76-0x0000000000000000-mapping.dmp

Download
memory/1872-54-0x000007FEFB7E1000-0x000007FEFB7E3000-memory.dmp

Filesize
8KB

Download