1495544d3a8c5b208a1af29ebe73514d0bac540d3c26e6d1ff4f4d40a22fbf4a

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
24/05/2024, 04:48

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General

Target

2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe
Size

39KB
MD5

eba7698eb18796dae1951688b7f304b9
SHA1

2e81895cbecccd547be26a4cb3c76073f92a73f9
SHA256

1495544d3a8c5b208a1af29ebe73514d0bac540d3c26e6d1ff4f4d40a22fbf4a
SHA512

b3a884ee20e47aace1b18db738015b1336842889025849b3c9c66a2b3c010cfee0ae0e68632abc1366de42a4cd32fbcc8c16a2fbd8bb96053050fc14c9fad685
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLeJAsKuDbq:ZzFbxmLPWQMOtEvwDpjLeJAsKcbq

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c0000000167ef-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2080	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	2024-05-24_eba7698eb18796dae1951688b7f304b9_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 1936 wrote to memory of 2080	1936	2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe	28
PID 1936 wrote to memory of 2080	1936	2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe	28
PID 1936 wrote to memory of 2080	1936	2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe	28
PID 1936 wrote to memory of 2080	1936	2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-24_eba7698eb18796dae1951688b7f304b9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2080

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
39KB

MD5
2d7b49cc5ffaf469e63943df99e1d23f

SHA1
22287b914caeb36766ed5ad4de2a23f2aca8db76

SHA256
1d4cf7cb67514d9ca48d5977682b4f21711b720fc3e75ed5046110ea5f957d50

SHA512
1841ea5a57aa0948efee3ef83a3debc0e5179c4b50dc524e93e70c80f405ec0057032b87f1b423b2b0d708888769157eef6fe0c9d0fbb92069fc4ab8788472e1

Download Submit
memory/1936-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1936-9-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1936-8-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1936-1-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/2080-15-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2080-17-0x0000000000490000-0x0000000000496000-memory.dmp

Filesize
24KB

Download
memory/2080-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2080-25-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download