cryptolocker | bb12757c6a14207d8a9cd4d42ff93747795f8a09186752b1c94b5b373abbaf11

General

Target

9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe
Size

726KB
MD5

9cbb128e8211a7cd00729c159815cb1c
SHA1

870a3d5d18501795e242c4579419f65e17ac8dbf
SHA256

bb12757c6a14207d8a9cd4d42ff93747795f8a09186752b1c94b5b373abbaf11
SHA512

b72eb446430e499954bfe2dd14b9504e3a9af18e983215718d40a8f9b388acd53f9911cf3d10de78a55b753c562fe2e41636f67d6139bec0c52333c4d66a6ae4
SSDEEP

12288:ovF1OoLe51k4HXM0DkkaG60OiM4jS0VsjS7me+DPvpmPafhIMvW6xAjCBBN:ovXOoLePpHXUke0OiRz77mdPvpmSJzv7

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
2224	Wawbmdknpbal.exe

Executes dropped EXE 2 IoCs

pid	Process
2224	Wawbmdknpbal.exe
2780	Wawbmdknpbal.exe

Loads dropped DLL 3 IoCs

pid	Process
2000	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe
2000	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe
2224	Wawbmdknpbal.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-1-5-21-3551809350-4263495960-1443967649-1000\Software\Microsoft\Windows\CurrentVersion\Run\CryptoLocker = "C:\\Users\\Admin\\AppData\\Roaming\\Wawbmdknpbal.exe"	Wawbmdknpbal.exe

System Location Discovery: System Language Discovery 1 TTPs 3 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	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wawbmdknpbal.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Wawbmdknpbal.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 2000 wrote to memory of 2224	2000	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe	30
PID 2000 wrote to memory of 2224	2000	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe	30
PID 2000 wrote to memory of 2224	2000	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe	30
PID 2000 wrote to memory of 2224	2000	9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe	30
PID 2224 wrote to memory of 2780	2224	Wawbmdknpbal.exe	31
PID 2224 wrote to memory of 2780	2224	Wawbmdknpbal.exe	31
PID 2224 wrote to memory of 2780	2224	Wawbmdknpbal.exe	31
PID 2224 wrote to memory of 2780	2224	Wawbmdknpbal.exe	31

C:\Users\Admin\AppData\Local\Temp\9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2000
- C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
  "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" "/rC:\Users\Admin\AppData\Local\Temp\9cbb128e8211a7cd00729c159815cb1c_JaffaCakes118.exe"
  2⤵
  - Deletes itself
  - Executes dropped EXE
  - Loads dropped DLL
  - Adds Run key to start application
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2224
- - C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
    "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" /w000000D0
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2780

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

Replay Monitor

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Downloads

\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe

Filesize
726KB

MD5
9cbb128e8211a7cd00729c159815cb1c

SHA1
870a3d5d18501795e242c4579419f65e17ac8dbf

SHA256
bb12757c6a14207d8a9cd4d42ff93747795f8a09186752b1c94b5b373abbaf11

SHA512
b72eb446430e499954bfe2dd14b9504e3a9af18e983215718d40a8f9b388acd53f9911cf3d10de78a55b753c562fe2e41636f67d6139bec0c52333c4d66a6ae4

Download Submit
memory/2000-0-0x00000000004B7000-0x00000000004B9000-memory.dmp

Filesize
8KB

Download
memory/2000-2-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2000-1-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2000-15-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2224-16-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2224-17-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2224-18-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2224-29-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2224-33-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2780-24-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2780-27-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2780-25-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download
memory/2780-30-0x0000000000400000-0x00000000004C5000-memory.dmp

Filesize
788KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads