4908fe13451c912edd684fa53b12df0ceb0e36225c9fc760de80a5557cdb88e9

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240419-en
resource tags

arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
submitted
23-05-2024 01:24

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General

Target

2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe
Size

86KB
MD5

36ffa1e0937cd72e19d7e578ac8e36cb
SHA1

8c6e7d7e77da0d0eec2fc4fb4f456db2014e3ca2
SHA256

4908fe13451c912edd684fa53b12df0ceb0e36225c9fc760de80a5557cdb88e9
SHA512

53c27aed63d01985ae0af016efd7f3991e51933c183d8304c2aa7f01bcf407d8d228626f15e1252690b06b5698713447c7573c60e81e2d346f816b937904d032
SSDEEP

1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNBlA:vCjsIOtEvwDpj5H9YvQd2O

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001226e-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000b00000001226e-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2340	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1620	2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_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 1620 wrote to memory of 2340	1620	2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe	28
PID 1620 wrote to memory of 2340	1620	2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe	28
PID 1620 wrote to memory of 2340	1620	2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe	28
PID 1620 wrote to memory of 2340	1620	2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-23_36ffa1e0937cd72e19d7e578ac8e36cb_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2340

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

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

Filesize
87KB

MD5
64b1e3776a4abb81b1db143a3dfdfc4e

SHA1
0cb7b962980380bdfdebe512d8474c40d3825f63

SHA256
763de81c047f4bc0e1705451d00d72dc9d304e17ea586cb2bd48a6e4c14c0fc1

SHA512
2efe83cb1227076401a4422240b8250366902836d8ffc322545f005a874b3918f6f2e077ddf8e0aad11546470d1becb95036ca89ddac04dbe13a5741db6fb829

Download Submit
memory/1620-8-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/1620-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/1620-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2340-15-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2340-22-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download