29df351dee5657b7795fad5c9a98989e2b9bd41473ce34ca81f9da1c4c1cd50c

Analysis

max time kernel
150s
max time network
151s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
16-05-2024 19:43

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General

Target

2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe
Size

91KB
MD5

6203de802c71b928a4fbd2a4c0bd1149
SHA1

4b8238628bf8f288aefcb91e7d2342b36a6a462d
SHA256

29df351dee5657b7795fad5c9a98989e2b9bd41473ce34ca81f9da1c4c1cd50c
SHA512

8f6073a00578eab0098f76866ebe321c93d45ce630ddf58ca91b0eb5729841111657b77770becfb3f55509e98c17ee579652a501ddec114b05bcb05083dcfc86
SSDEEP

1536:vj+jsMQMOtEvwDpj5H8u8rBN6nqEZNi1OkQoV1:vCjsIOtEvwDpj5H8zPsE

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013113-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000013113-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
1616	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3024	2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_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 3024 wrote to memory of 1616	3024	2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe	28
PID 3024 wrote to memory of 1616	3024	2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe	28
PID 3024 wrote to memory of 1616	3024	2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe	28
PID 3024 wrote to memory of 1616	3024	2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-16_6203de802c71b928a4fbd2a4c0bd1149_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3024
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:1616

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
91KB

MD5
1d8432d154a06e120e333f7fed9c169d

SHA1
7c60d1a0dd539900c66c61eeca090c844b0b11b1

SHA256
35207b89d39f36e139b018e3cc29aad370cc685222d3951f8122357cadd2c938

SHA512
128fa163f02d1fb49b11323c3425c058102a15d1909eda2e7fe502f6dc7c9fc1b3946f2992e793448b943d6b418d9ebec704506d09dff34286810908acd8aba8

Download Submit
memory/1616-15-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/3024-1-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3024-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3024-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download