d4ccd5be679e8a8a5ec0ecf1e2ce00b8f8255274da800feb269718aabce43b9f

Analysis

max time kernel
150s
max time network
150s
platform
windows7_x64
resource
win7-20240220-en
resource tags

arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
submitted
22-05-2024 23:26

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General

Target

2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe
Size

62KB
MD5

b60f05f32a5d068995207b4b713277b1
SHA1

16344bbee4d4c0e29588245d0a023da3840ccc64
SHA256

d4ccd5be679e8a8a5ec0ecf1e2ce00b8f8255274da800feb269718aabce43b9f
SHA512

65de18c6356c43958caa1f697d0c1f57406dd3a3fc965b37925763840971786e653e522b3d5a03fab251c17448bb7245179f50ef16741ebc8fdc28f8ec2344f5
SSDEEP

768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9J:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWBC

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1720-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_rule2
behavioral1/memory/2504-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/1720-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2
behavioral1/memory/2504-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_rule2

Detection of Cryptolocker Samples 5 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1720-0-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
\Users\Admin\AppData\Local\Temp\misid.exe	CryptoLocker_set1
behavioral1/memory/2504-16-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/1720-15-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1
behavioral1/memory/2504-26-0x0000000000500000-0x000000000050B000-memory.dmp	CryptoLocker_set1

Executes dropped EXE 1 IoCs

Processes:

misid.exe

pid process

2504 misid.exe
Loads dropped DLL 1 IoCs

Processes:

2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe

pid process

1720 2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

pid	process
2504	misid.exe

pid	process
1720	2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe

description	pid	process	target process
PID 1720 wrote to memory of 2504	1720	2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe	misid.exe
PID 1720 wrote to memory of 2504	1720	2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe	misid.exe
PID 1720 wrote to memory of 2504	1720	2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe	misid.exe
PID 1720 wrote to memory of 2504	1720	2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe	misid.exe

C:\Users\Admin\AppData\Local\Temp\2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-22_b60f05f32a5d068995207b4b713277b1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1720

C:\Users\Admin\AppData\Local\Temp\misid.exe
"C:\Users\Admin\AppData\Local\Temp\misid.exe"
2⤵
- Executes dropped EXE
PID:2504

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
62KB

MD5
2b626ec198a38b509852c1ae7f776037

SHA1
645a11aec3d37157fb7f65ccb1100e270bcc1a10

SHA256
0bda992b38185a66840ddda6e0fba58ff87d1cd9a4d444b8c0e6379359462e1a

SHA512
0bb1ee150359d60d2be5db50c54855e405d4db0735dbf0bf2cfc63e6ce7c0c31bb375b8db304ffc6da2f227263857bc88ccf3c2eb6510e404aa1f4648f473c63

Download Submit
memory/1720-0-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/1720-1-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1720-2-0x0000000000370000-0x0000000000376000-memory.dmp

Filesize
24KB

Download
memory/1720-9-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1720-15-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2504-16-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download
memory/2504-18-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2504-25-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2504-26-0x0000000000500000-0x000000000050B000-memory.dmp

Filesize
44KB

Download