e60551b66342c8dd8a3a0330c4c46a4a335f9ae88644f08595cd19dbf9c37c51

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240215-en
resource tags

arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
submitted
12/05/2024, 04:07

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General

Target

2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe
Size

85KB
MD5

7d525ab4adfc8f97dfeb5395af3891d6
SHA1

77080897750ff86e1a01af88b6ee16d156453121
SHA256

e60551b66342c8dd8a3a0330c4c46a4a335f9ae88644f08595cd19dbf9c37c51
SHA512

7f5f5cca1619d1bdea9907821b02f35c2e62787038f60d4c6c8103dcda9e76431b600457b2bbc7c08ee125172085475ca4a2bb9b80d5b222882bfbdfef20c0e4
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBHRv:vCjsIOtEvwDpj5H9YvQd2R

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000160cc-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b0000000160cc-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2984	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2936	2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_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 2936 wrote to memory of 2984	2936	2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe	28
PID 2936 wrote to memory of 2984	2936	2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe	28
PID 2936 wrote to memory of 2984	2936	2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe	28
PID 2936 wrote to memory of 2984	2936	2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-12_7d525ab4adfc8f97dfeb5395af3891d6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2936
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2984

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\misid.exe

Filesize
85KB

MD5
ae879a90b53e79a65ad2fadf7d2a0ba3

SHA1
ae7db7caf10fcca88934ee83d9725bb2a95f189c

SHA256
f8f889c68ba5023dbae8107dcedc67ade5c0a2ea0234e5906fd4282ad607c371

SHA512
f94846b8ca7d178b29704f5ae350aab9b92810b819f13548e0c91cc29f1c77b5bf6508af1cfe9d38a98161a801f3ae1003ee3752e3201a89714abd32557aeca0

Download Submit
memory/2936-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2936-1-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/2936-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2984-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2984-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download