b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c

General

Target

b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe
Size

488KB
MD5

cb5907c62674e06ab02c2ad11ac41834
SHA1

b0497eeb1bf70e8719a103e4825f1d967793faf2
SHA256

b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c
SHA512

6274f4d24b1e7364e211182408fd03879ed4844a6d1c165e379f51fc91d058dd6f10dad6304e1d1a0dbe5886ec12e965ce04ea72988a5629500328498d6fd9fb
SSDEEP

6144:8DTsaj5I0jCUnDa3mJfpBbi09JrRblsQkjdXdcbNi63/ZJHzqjSNH:83saFzjCUDwmVvL9JRblsQkjdt2fj5

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
952	jdynxmvwd.exe

Deletes itself 1 IoCs

pid	Process
944	cmd.exe

Loads dropped DLL 3 IoCs

pid	Process
944	cmd.exe
944	cmd.exe
952	jdynxmvwd.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-1-5-21-3385717845-2518323428-350143044-1000\Software\Microsoft\Windows\CurrentVersion\RunOnce	b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.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
576	taskkill.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1336	PING.EXE

Suspicious behavior: EnumeratesProcesses 42 IoCs

pid	Process
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	576	taskkill.exe

Suspicious use of FindShellTrayWindow 4 IoCs

pid	Process
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe

Suspicious use of SendNotifyMessage 4 IoCs

pid	Process
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe
952	jdynxmvwd.exe

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 2040 wrote to memory of 944	2040	b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe	28
PID 2040 wrote to memory of 944	2040	b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe	28
PID 2040 wrote to memory of 944	2040	b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe	28
PID 2040 wrote to memory of 944	2040	b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe	28
PID 944 wrote to memory of 576	944	cmd.exe	30
PID 944 wrote to memory of 576	944	cmd.exe	30
PID 944 wrote to memory of 576	944	cmd.exe	30
PID 944 wrote to memory of 576	944	cmd.exe	30
PID 944 wrote to memory of 1336	944	cmd.exe	32
PID 944 wrote to memory of 1336	944	cmd.exe	32
PID 944 wrote to memory of 1336	944	cmd.exe	32
PID 944 wrote to memory of 1336	944	cmd.exe	32
PID 944 wrote to memory of 952	944	cmd.exe	33
PID 944 wrote to memory of 952	944	cmd.exe	33
PID 944 wrote to memory of 952	944	cmd.exe	33
PID 944 wrote to memory of 952	944	cmd.exe	33

C:\Users\Admin\AppData\Local\Temp\b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe
"C:\Users\Admin\AppData\Local\Temp\b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2040
- C:\Windows\SysWOW64\cmd.exe
  "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 2040 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c.exe" & start C:\Users\Admin\AppData\Local\JDYNXM~1.EXE -f
  2⤵
  - Deletes itself
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:944
- - C:\Windows\SysWOW64\taskkill.exe
    taskkill /f /pid 2040
    3⤵
    - Kills process with taskkill
    - Suspicious use of AdjustPrivilegeToken
    PID:576
- - C:\Windows\SysWOW64\PING.EXE
    ping -n 3 127.1
    3⤵
    - Runs ping.exe
    PID:1336
- - C:\Users\Admin\AppData\Local\jdynxmvwd.exe
    C:\Users\Admin\AppData\Local\JDYNXM~1.EXE -f
    3⤵
    - Executes dropped EXE
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    - Suspicious use of FindShellTrayWindow
    - Suspicious use of SendNotifyMessage
    PID:952

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\jdynxmvwd.exe

Filesize
488KB

MD5
cb5907c62674e06ab02c2ad11ac41834

SHA1
b0497eeb1bf70e8719a103e4825f1d967793faf2

SHA256
b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c

SHA512
6274f4d24b1e7364e211182408fd03879ed4844a6d1c165e379f51fc91d058dd6f10dad6304e1d1a0dbe5886ec12e965ce04ea72988a5629500328498d6fd9fb

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

Filesize
488KB

MD5
cb5907c62674e06ab02c2ad11ac41834

SHA1
b0497eeb1bf70e8719a103e4825f1d967793faf2

SHA256
b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c

SHA512
6274f4d24b1e7364e211182408fd03879ed4844a6d1c165e379f51fc91d058dd6f10dad6304e1d1a0dbe5886ec12e965ce04ea72988a5629500328498d6fd9fb

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

Filesize
488KB

MD5
cb5907c62674e06ab02c2ad11ac41834

SHA1
b0497eeb1bf70e8719a103e4825f1d967793faf2

SHA256
b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c

SHA512
6274f4d24b1e7364e211182408fd03879ed4844a6d1c165e379f51fc91d058dd6f10dad6304e1d1a0dbe5886ec12e965ce04ea72988a5629500328498d6fd9fb

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

Filesize
488KB

MD5
cb5907c62674e06ab02c2ad11ac41834

SHA1
b0497eeb1bf70e8719a103e4825f1d967793faf2

SHA256
b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c

SHA512
6274f4d24b1e7364e211182408fd03879ed4844a6d1c165e379f51fc91d058dd6f10dad6304e1d1a0dbe5886ec12e965ce04ea72988a5629500328498d6fd9fb

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

Filesize
488KB

MD5
cb5907c62674e06ab02c2ad11ac41834

SHA1
b0497eeb1bf70e8719a103e4825f1d967793faf2

SHA256
b5627d7427a6338d7db630517b9301d22bdbeced7d254d89905fdeb436b6f50c

SHA512
6274f4d24b1e7364e211182408fd03879ed4844a6d1c165e379f51fc91d058dd6f10dad6304e1d1a0dbe5886ec12e965ce04ea72988a5629500328498d6fd9fb

Download Submit
memory/952-67-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/952-68-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2040-57-0x0000000001000000-0x00000000010A6000-memory.dmp

Filesize
664KB

Download
memory/2040-54-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download
memory/2040-55-0x00000000761E1000-0x00000000761E3000-memory.dmp

Filesize
8KB

Download

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