cryptolocker | 0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2

General

Target

0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe
Size

696KB
MD5

b17603f401719f1d99ad6472f8d6682a
SHA1

7bb8e39ac06ff30a7f950915eede119355f15a27
SHA256

0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2
SHA512

893465bd19cba61c8dfc4bc3a455f84bf93fc2ce67ca55493a1385a649e2996a66f45fa337ce02b623b3eaf4f9d0fe233cee22c313452128db0ca2f99182fab5
SSDEEP

12288:g8dz7bg6rRFD7pf4bvgMwqXkHW94XQ/DQ6F1PiJrINa1xuGBmGGcQvSCtCWXou2l:guz3g6rRFDtf4b4MxXkHI4XQ/DQ6FFi7

Score

10^/10

cryptolocker discovery persistence ransomware

Malware Config

Signatures

CryptoLocker
Ransomware family with multiple variants.
ransomware cryptolocker
Cryptolocker family
cryptolocker

Deletes itself 1 IoCs

pid	Process
2120	{34184A33-0407-212E-3320-09040709E2C2}.exe

Executes dropped EXE 3 IoCs

pid	Process
2120	{34184A33-0407-212E-3320-09040709E2C2}.exe
3680	{34184A33-0407-212E-3320-09040709E2C2}.exe
4224	{34184A33-0407-212E-3320-09040709E2C2}.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-83325578-304917428-1200496059-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\{34184A33-0407-212E-3320-09040709E2C2}.exe"	{34184A33-0407-212E-3320-09040709E2C2}.exe

System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{34184A33-0407-212E-3320-09040709E2C2}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{34184A33-0407-212E-3320-09040709E2C2}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	{34184A33-0407-212E-3320-09040709E2C2}.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 2120	1860	0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe	89
PID 1860 wrote to memory of 2120	1860	0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe	89
PID 1860 wrote to memory of 2120	1860	0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe	89
PID 2120 wrote to memory of 3680	2120	{34184A33-0407-212E-3320-09040709E2C2}.exe	91
PID 2120 wrote to memory of 3680	2120	{34184A33-0407-212E-3320-09040709E2C2}.exe	91
PID 2120 wrote to memory of 3680	2120	{34184A33-0407-212E-3320-09040709E2C2}.exe	91
PID 2932 wrote to memory of 4224	2932	cmd.exe	94
PID 2932 wrote to memory of 4224	2932	cmd.exe	94
PID 2932 wrote to memory of 4224	2932	cmd.exe	94

C:\Users\Admin\AppData\Local\Temp\0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe
"C:\Users\Admin\AppData\Local\Temp\0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe"
1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
  "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" "/rC:\Users\Admin\AppData\Local\Temp\0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2120
- - C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
    "C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe" /w00000218
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:3680

C:\Windows\system32\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
1⤵
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
  C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe
  2⤵
  - Executes dropped EXE
  - System Location Discovery: System Language Discovery
  PID:4224

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\AppData\Roaming\{34184A33-0407-212E-3320-09040709E2C2}.exe

Filesize
696KB

MD5
b17603f401719f1d99ad6472f8d6682a

SHA1
7bb8e39ac06ff30a7f950915eede119355f15a27

SHA256
0be1f445537f124b5175e1f2d1da87e2e57aa4ba09ea5fe72b7bafaf0b8f9ad2

SHA512
893465bd19cba61c8dfc4bc3a455f84bf93fc2ce67ca55493a1385a649e2996a66f45fa337ce02b623b3eaf4f9d0fe233cee22c313452128db0ca2f99182fab5

Download Submit
memory/1860-0-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/1860-8-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2120-9-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2120-21-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/2120-23-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3680-14-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/3680-22-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4224-17-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download
memory/4224-20-0x0000000000400000-0x00000000004C0000-memory.dmp

Filesize
768KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads