5308a3cf93d15c2b2e3ca67f0442b363fc5feba918b3a18f6d5bc19e648a1431

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
21-05-2024 20:50

Target

2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe
Size

40KB
MD5

ab23f82b170e11b309d79d17f4b12e85
SHA1

5b7948698ea2d228ffff4576b922f5cf3254e952
SHA256

5308a3cf93d15c2b2e3ca67f0442b363fc5feba918b3a18f6d5bc19e648a1431
SHA512

2c6c0c037aa0a5b87cdcb680e80b196435e8978019c13b3d845fff23681a2d8d9c72c5e90b67877b96e91cc5d1388d4d1d84de41ea8794b3c30029319fce4ea8
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDkr:ZzFbxmLPWQMOtEvwDpjLeJAsKcY

Score

9^/10

Detection of CryptoLocker Variants 1 IoCs

Processes:

resource	yara_rule
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

3004 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe

pid process

2524 2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
3004	misid.exe

pid	process
2524	2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe

description	pid	process	target process
PID 2524 wrote to memory of 3004	2524	2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe	misid.exe
PID 2524 wrote to memory of 3004	2524	2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe	misid.exe
PID 2524 wrote to memory of 3004	2524	2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe	misid.exe
PID 2524 wrote to memory of 3004	2524	2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-21_ab23f82b170e11b309d79d17f4b12e85_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2524
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3004

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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

Filesize
40KB

MD5
8352a30422eeded931642b6dadd00a0e

SHA1
b499c1d9681e67a4d61de8c11b48e14b7a0590c3

SHA256
7a85144021c39217271ce0dcc51073ff68244da5afb23c880cca4d1e5d593c31

SHA512
1d027a0dddd98427dd9475b3e530e08c7748d130e0a25120f68c4b8b38d342766c82e0186d12e97a7edcb6bdc7a4f6e5bb582ce970309699acaa2f456f160129

Download Submit
memory/2524-0-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2524-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2524-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2524-2-0x0000000000600000-0x0000000000606000-memory.dmp

Filesize
24KB

Download
memory/3004-23-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3004-16-0x0000000000290000-0x0000000000296000-memory.dmp

Filesize
24KB

Download