e3286c23a2552b6b56d7473ce1d508b026631c6921eb89b224922ad98b6b62ec

Analysis

max time kernel
148s
max time network
148s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/02/2024, 12:33

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General

Target

2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe
Size

126KB
MD5

741aec8bf86ee4006dfbb47474bb25e5
SHA1

3f1fa831dfc86f27232bf768ddb1bcad7afb42e5
SHA256

e3286c23a2552b6b56d7473ce1d508b026631c6921eb89b224922ad98b6b62ec
SHA512

36108b7fdfdbbb06dc32c67703ac9c2e2c75e6fbe9561e889e484f825bce59e23493a316c8bd1e5afb2fb489b812937cebaa25e313bfd6a986a165a21021bd0c
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxGBpT:vCA9OtEvwDpjP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001650c-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a00000001650c-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3032	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1752	2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_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 1752 wrote to memory of 3032	1752	2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe	28
PID 1752 wrote to memory of 3032	1752	2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-18_741aec8bf86ee4006dfbb47474bb25e5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3032

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
126KB

MD5
1ca6bcf4121ac523e55f1a98477976fd

SHA1
8044ef75624a87af097ee2d5c93cb1256b51fa55

SHA256
8f392151a0d961bdea6ed37a7473a42902453be0d8b370b50948284e8a652598

SHA512
7f6c8093ce025931edfd3cf7d5cfa46e4239bd358452bd81d92f60188faac8a13234134e968ce3f4887dbdb6208cc16d738dc58bbe27bb5cf9fc55244399b93a

Download Submit
memory/1752-0-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/1752-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1752-3-0x0000000000440000-0x0000000000446000-memory.dmp

Filesize
24KB

Download
memory/3032-15-0x0000000000310000-0x0000000000316000-memory.dmp

Filesize
24KB

Download
memory/3032-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download