5c54edc3771f14082c1d7e028f19d8cb73c02ee2340d8a9d158a57ac5c537c33

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
30/04/2024, 04:58

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General

Target

2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe
Size

85KB
MD5

69ce3ab814db4f439ed97c4737474c13
SHA1

76ca7d473e305a364018069e4d9750c955803940
SHA256

5c54edc3771f14082c1d7e028f19d8cb73c02ee2340d8a9d158a57ac5c537c33
SHA512

eca32068443132900214407bcdbc6efd5f3f9b78dc75878241aeb753046604c2e5c96089abeef69f2a29f0bfd6e90f8f498c381c655e7f8236e28a193dc3692d
SSDEEP

768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLa5VccPtNw5CS95yFPnYcS:V6QFElP6n+gMQMOtEvwDpjyaLccVNl69

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012324-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012324-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2580	asih.exe

Loads dropped DLL 1 IoCs

pid	Process
1732	2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe

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

System Information Discovery
T1082

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 1732 wrote to memory of 2580	1732	2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe	28
PID 1732 wrote to memory of 2580	1732	2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe	28
PID 1732 wrote to memory of 2580	1732	2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe	28
PID 1732 wrote to memory of 2580	1732	2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-30_69ce3ab814db4f439ed97c4737474c13_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1732
- C:\Users\Admin\AppData\Local\Temp\asih.exe
  "C:\Users\Admin\AppData\Local\Temp\asih.exe"
  2⤵
  - Executes dropped EXE
  PID:2580

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

\Users\Admin\AppData\Local\Temp\asih.exe

Filesize
85KB

MD5
f1032c38f79e2b3f906d709399b64588

SHA1
1c022f0c711fc18e310795c810e7322606dff165

SHA256
d47954ce63fdf83f021b4dd3ed3e94ffb67c661b6e123f1fb59df57b6e5fcaa9

SHA512
e7817fb606fd232fe20a097bf77aaf54fc1ed925149b0747e5d3747905f02aa9b6654e8ec98a1df289fb52e210312cbde112a3586d15ff19ce4a8ab7f1d58e81

Download Submit
memory/1732-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1732-1-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/1732-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2580-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download