be115e51f481060dba3de98ac4902737cc4f7221fb5d61fb1c3415a34d032c51

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
23/02/2024, 23:34

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General

Target

2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe
Size

79KB
MD5

9b882397840ec8b5c02293141a3c5e9a
SHA1

e01aece458d3ce9f97baddc3891d0e3831273036
SHA256

be115e51f481060dba3de98ac4902737cc4f7221fb5d61fb1c3415a34d032c51
SHA512

424345cab77c0ee95524d7c26bfe9fb3d54a747fe77cdc1bdfb5b7a06e113e0d75b1198b48990e4e9bb79e51e1d5a8b29f518fa1fa8ecc1608fb6f758332a733
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNb:vCjsIOtEvwDpj5H9YvQd21

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012266-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012266-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3032	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1984	2024-02-23_9b882397840ec8b5c02293141a3c5e9a_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 1984 wrote to memory of 3032	1984	2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe	28
PID 1984 wrote to memory of 3032	1984	2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe	28
PID 1984 wrote to memory of 3032	1984	2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe	28
PID 1984 wrote to memory of 3032	1984	2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-23_9b882397840ec8b5c02293141a3c5e9a_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1984
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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
79KB

MD5
f80ef51bdb738c28339c784358d76055

SHA1
a63b60f337b5f2ae88db23f06de07497d94996f6

SHA256
31e61e7663e8a3eccb7e471e0b65a85c39904b0304d0371ad35c30e837a8c2a3

SHA512
db0949ad3e73a612ff806f1f6ce8ece91a74c1398e789d34916e5b0a894246654dd5bb6701a38f51887e985b6a2baf5c53feb8bb1a29369d4a50433cca653e55

Download Submit
memory/1984-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1984-1-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/1984-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3032-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download