1205de65f89bd837ee24b30f91fa863da3a3038bf6e6d77b24be8765f584ec99

Analysis

max time kernel
211s
max time network
31s
platform
windows7_x64
resource
win7-20221111-en
resource tags

arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
submitted
02/02/2023, 03:53

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General

Target

Big hacker official tool v69 64bit.exe/A-SERVER-7zmConnectionCl.cs
Size

8KB
MD5

6590aa97c74847649bc52c89e8315a30
SHA1

8deca969d51761e375a0f65c6952d19dc4b33b29
SHA256

31d4b5778ba92d74f9ae6c1682d3c930e230b3549edd4b0f0b03da566cf5692b
SHA512

7460c9d17c63e41d27948d1ce83a9ad79d38e069b155c179173220736d2fe787129dafbb74df305474e8ab53c56f53bcaec4d2a9f96782713fa24a8846feea23
SSDEEP

96:Jot2c3kFzp4EAC8MLSbmfy9vBtLlyRc5Y2T+JSgH6WImx0fyhBnGJ:M2okKCIDLQ6YHJSKn/x0fyhBnGJ

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 2 IoCs

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_Classes\Local Settings	cmd.exe
Key created	\REGISTRY\USER\S-1-5-21-3406023954-474543476-3319432036-1000_CLASSES\Local Settings\Software\Microsoft\Windows\Shell\MuiCache	cmd.exe

Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs

pid	Process
1708	AcroRd32.exe

Suspicious behavior: GetForegroundWindowSpam 1 IoCs

pid	Process
1708	AcroRd32.exe

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
1708	AcroRd32.exe
1708	AcroRd32.exe
1708	AcroRd32.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1212 wrote to memory of 1708	1212	cmd.exe	29
PID 1212 wrote to memory of 1708	1212	cmd.exe	29
PID 1212 wrote to memory of 1708	1212	cmd.exe	29
PID 1212 wrote to memory of 1708	1212	cmd.exe	29

C:\Windows\system32\cmd.exe
cmd /c "C:\Users\Admin\AppData\Local\Temp\Big hacker official tool v69 64bit.exe\A-SERVER-7zmConnectionCl.cs"
1⤵
- Modifies registry class
- Suspicious use of WriteProcessMemory
PID:1212
- 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\Big hacker official tool v69 64bit.exe\A-SERVER-7zmConnectionCl.cs"
  2⤵
  - Suspicious behavior: CmdExeWriteProcessMemorySpam
  - Suspicious behavior: GetForegroundWindowSpam
  - Suspicious use of SetWindowsHookEx
  PID:1708

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/1212-54-0x000007FEFBFC1000-0x000007FEFBFC3000-memory.dmp

Filesize
8KB

Download
memory/1708-123-0x0000000075881000-0x0000000075883000-memory.dmp

Filesize
8KB

Download