fd15572192244d709cb4c891e5d42a59cc6ac7d9c3d3eb6d632028e7b9f90e2e

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240508-en
resource tags

arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
submitted
22/05/2024, 00:41

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General

Target

2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe
Size

43KB
MD5

d98f64be1cafbd12ea8531fb13102bc1
SHA1

961ce2ef4b5b9a6dc89212b615aa5e71cea4a9b9
SHA256

fd15572192244d709cb4c891e5d42a59cc6ac7d9c3d3eb6d632028e7b9f90e2e
SHA512

53db98e36b4da88a6aafb77b7824cb456fce74a6dc9772d67bab119b8b3a895858fda463bdb609eb58156a38ab88e7ee92519302363f18c2a77426478e91ebec
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66TcS:vj+jsMQMOtEvwDpj5HW5scS

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012272-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000f000000012272-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2856	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2148	2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_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 2148 wrote to memory of 2856	2148	2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe	28
PID 2148 wrote to memory of 2856	2148	2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe	28
PID 2148 wrote to memory of 2856	2148	2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe	28
PID 2148 wrote to memory of 2856	2148	2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_d98f64be1cafbd12ea8531fb13102bc1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2856

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
43KB

MD5
c87b408ad90f2135df9017b91cb337e0

SHA1
23809ad56bf9b97128c53c0653d0ab87129fe7e9

SHA256
90b9cca1ebc81f135f06061715dba2e3f9f447e1b7a0f4b13564ad1d77029494

SHA512
e943eba5abe9591462de00bda761528d22eb081d74fd1750986f725dea102ea278d9501708551d88e93a0fee72761f2e7e746d04b482eaf4ec7fd2c64c5b44f9

Download Submit
memory/2148-0-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2148-1-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2148-8-0x00000000003C0000-0x00000000003C6000-memory.dmp

Filesize
24KB

Download
memory/2856-15-0x0000000000380000-0x0000000000386000-memory.dmp

Filesize
24KB

Download
memory/2856-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download