cryptolocker | 4a19518be677153ab92e1208e7507dd6adef0de0fa34295dfa5d7ac9efce176d

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
29-11-2024 09:53

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General

Target

b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe
Size

360KB
MD5

b07325f2686e5c26791424d9de7a5c54
SHA1

f7d4163877616c819758c07c8c926a9b60c844fa
SHA256

4a19518be677153ab92e1208e7507dd6adef0de0fa34295dfa5d7ac9efce176d
SHA512

8f4824daef0b9bf70b7de5994baad455e4a1153c0f3976ebcf2f4b061c77a124f8ca0db9455a6bd8d36cb1c1c7e583964b951eb93571f1aa2c277f91775429b4
SSDEEP

6144:7Y56KnPgfagNgMhJAp/WgTO3x5N22vWvLRKKAX5l++SyVI4H:qdgfpN/AxT85I2vCMX5l+Zn

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
2748	Wawbmdknpbal.exe

Executes dropped EXE 2 IoCs

pid	Process
2748	Wawbmdknpbal.exe
2836	Wawbmdknpbal.exe

Loads dropped DLL 2 IoCs

pid	Process
2372	b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe
2748	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-1-5-21-1846800975-3917212583-2893086201-1000\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	b07325f2686e5c26791424d9de7a5c54_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 2372 wrote to memory of 2748	2372	b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2748	2372	b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2748	2372	b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe	30
PID 2372 wrote to memory of 2748	2372	b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe	30
PID 2748 wrote to memory of 2836	2748	Wawbmdknpbal.exe	31
PID 2748 wrote to memory of 2836	2748	Wawbmdknpbal.exe	31
PID 2748 wrote to memory of 2836	2748	Wawbmdknpbal.exe	31
PID 2748 wrote to memory of 2836	2748	Wawbmdknpbal.exe	31

C:\Users\Admin\AppData\Local\Temp\b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\b07325f2686e5c26791424d9de7a5c54_JaffaCakes118.exe"
1⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2372
- C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
  "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" "/rC:\Users\Admin\AppData\Local\Temp\b07325f2686e5c26791424d9de7a5c54_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:2748
- - C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe
    "C:\Users\Admin\AppData\Roaming\Wawbmdknpbal.exe" /w000000C8
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    PID:2836

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
360KB

MD5
b07325f2686e5c26791424d9de7a5c54

SHA1
f7d4163877616c819758c07c8c926a9b60c844fa

SHA256
4a19518be677153ab92e1208e7507dd6adef0de0fa34295dfa5d7ac9efce176d

SHA512
8f4824daef0b9bf70b7de5994baad455e4a1153c0f3976ebcf2f4b061c77a124f8ca0db9455a6bd8d36cb1c1c7e583964b951eb93571f1aa2c277f91775429b4

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads