7a470448d6680c49fda3a961931e1b6d0ef21ce1d357c70283c9e9341a53eb8f

Analysis

max time kernel
141s
max time network
145s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21/05/2024, 08:37

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General

Target

2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe
Size

70KB
MD5

7933af025a94c18b5237eb806e5521c5
SHA1

b8594184e1ddce535f8a3be5fbedec67678e5dd4
SHA256

7a470448d6680c49fda3a961931e1b6d0ef21ce1d357c70283c9e9341a53eb8f
SHA512

6a7179ecb6deb717b228e96ad925de100ae47f965f10d371163712363ed8f1c53eec4df06737d8d190688608fb7c10761bd8b419e000a4e1994f494f5d0a194b
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/Rz:vj+jsMQMOtEvwDpj5HZYTjipvF24r

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000014708-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000e000000014708-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2532	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2180	2024-05-21_7933af025a94c18b5237eb806e5521c5_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 2180 wrote to memory of 2532	2180	2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe	28
PID 2180 wrote to memory of 2532	2180	2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe	28
PID 2180 wrote to memory of 2532	2180	2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe	28
PID 2180 wrote to memory of 2532	2180	2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_7933af025a94c18b5237eb806e5521c5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2180
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2532

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
70KB

MD5
a03731c12ef417010dea08b1baf77edb

SHA1
f0026916488a41bad1a9992f4cec7483c8134731

SHA256
2e6ee566bacaa1284cf9b55b0c9ed78ad4520b8ff3a8afd16ef3b382b6021cbf

SHA512
d1e05d5f5e942d5ecc317b8f33647c50064c1aeef96143665417fb02ba56590771c075f8de20c2f9931bdab2da557514c4e4dced9e7dba94d4d61810f81c3d51

Download Submit
memory/2180-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2180-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2180-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2532-15-0x0000000000210000-0x0000000000216000-memory.dmp

Filesize
24KB

Download
memory/2532-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download