cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

General

Target

cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe
Size

331KB
MD5

215e9a0404b0b3ec2c0df890b6c4f0ed
SHA1

e32a5562b983774b8e8c2075d2ef9669ffd01b7b
SHA256

cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822
SHA512

64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358
SSDEEP

6144:InNn4XRy93FwkrStCYHVJ4oi+GUOYIZDATPKDR4kZO8OtcykycZ:InN4XRyFFw4wJ5i7AjKmkDypcZ

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1768	vjymqi.exe

Deletes itself 1 IoCs

pid	Process
1472	cmd.exe

Loads dropped DLL 4 IoCs

pid	Process
1472	cmd.exe
1472	cmd.exe
1768	vjymqi.exe
1768	vjymqi.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe

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

System Information Discovery
T1082

Kills process with taskkill 1 IoCs

evasion

pid	Process
1112	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1624	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1768	vjymqi.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1112	taskkill.exe

Suspicious use of FindShellTrayWindow 3 IoCs

pid	Process
1768	vjymqi.exe
1768	vjymqi.exe
1768	vjymqi.exe

Suspicious use of SendNotifyMessage 3 IoCs

pid	Process
1768	vjymqi.exe
1768	vjymqi.exe
1768	vjymqi.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1456 wrote to memory of 1472	1456	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	26
PID 1456 wrote to memory of 1472	1456	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	26
PID 1456 wrote to memory of 1472	1456	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	26
PID 1456 wrote to memory of 1472	1456	cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe	26
PID 1472 wrote to memory of 1112	1472	cmd.exe	28
PID 1472 wrote to memory of 1112	1472	cmd.exe	28
PID 1472 wrote to memory of 1112	1472	cmd.exe	28
PID 1472 wrote to memory of 1112	1472	cmd.exe	28
PID 1472 wrote to memory of 1624	1472	cmd.exe	30
PID 1472 wrote to memory of 1624	1472	cmd.exe	30
PID 1472 wrote to memory of 1624	1472	cmd.exe	30
PID 1472 wrote to memory of 1624	1472	cmd.exe	30
PID 1472 wrote to memory of 1768	1472	cmd.exe	31
PID 1472 wrote to memory of 1768	1472	cmd.exe	31
PID 1472 wrote to memory of 1768	1472	cmd.exe	31
PID 1472 wrote to memory of 1768	1472	cmd.exe	31

C:\Users\Admin\AppData\Local\Temp\cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe
"C:\Users\Admin\AppData\Local\Temp\cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1456
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 1456 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822.exe" & start C:\Users\Admin\AppData\Local\vjymqi.exe -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 1456
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:1112
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1624
- - C:\Users\Admin\AppData\Local\vjymqi.exe
    C:\Users\Admin\AppData\Local\vjymqi.exe -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:1768

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Remote System Discovery

1

T1018

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\vjymqi.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
C:\Users\Admin\AppData\Local\vjymqi.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
\Users\Admin\AppData\Local\vjymqi.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
\Users\Admin\AppData\Local\vjymqi.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
\Users\Admin\AppData\Local\vjymqi.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
\Users\Admin\AppData\Local\vjymqi.exe

Filesize
331KB

MD5
215e9a0404b0b3ec2c0df890b6c4f0ed

SHA1
e32a5562b983774b8e8c2075d2ef9669ffd01b7b

SHA256
cff686161e0ebe726e374563c3ae4e41c8cda748e64470fc49376bcf4987e822

SHA512
64e8604204fe5695abd90a2ca1f08bbe97f3a147964ec9dc6482994dc63e49d30189d31af3b139c1b6d605c6c1a76b9d93c59aa3e73ec3018e85d15186152358

Download Submit
memory/1456-57-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/1456-55-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/1456-54-0x0000000075B51000-0x0000000075B53000-memory.dmp

Filesize
8KB

Download
memory/1768-66-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/1768-68-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download
memory/1768-70-0x0000000000400000-0x00000000004FD000-memory.dmp

Filesize
1012KB

Download

Analysis

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