4119b20c3b20fc4681e6bd8ce17b50589957d2f17840090003bc7174f9bdd040

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
08/03/2024, 20:20

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General

Target

2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe
Size

47KB
MD5

98ee7b1cacce228dbdd293cc97f59ba5
SHA1

36aef7b3ff47c0affc499aeeefee3180b09eeb57
SHA256

4119b20c3b20fc4681e6bd8ce17b50589957d2f17840090003bc7174f9bdd040
SHA512

ef8a21c7a344a55b1559b7ec8004b66c61920269241acefd2800e9e7bd7a01845dfdbb90ae7dc7590cce6b8a86d883fe5e47b68f51c6e74a3498954fe6a71de1
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37YbDu5z/h4:bgGYcA/53GAA6y37nb4

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012251-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
1444	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2792	2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_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 2792 wrote to memory of 1444	2792	2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe	28
PID 2792 wrote to memory of 1444	2792	2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe	28
PID 2792 wrote to memory of 1444	2792	2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe	28
PID 2792 wrote to memory of 1444	2792	2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-08_98ee7b1cacce228dbdd293cc97f59ba5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2792
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:1444

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\hasfj.exe

Filesize
47KB

MD5
c486d6e291553fadd44ac5dbe2b348c6

SHA1
8f3029c37715cc6c974013fd97769cf0f4861584

SHA256
93c06d349dd9c088c13b6e105e4048a003ab7498b5001d76ca641d5dce1a321e

SHA512
0ea3901512ece8437b4d175430dcb6c0faa2b0e598064a6e278c4b2a49c8691cf80b5af3d0c6140a2c0affce517c0d8261ff02a61a26eba80d3db9307b6d3ade

Download Submit
memory/1444-15-0x0000000001C30000-0x0000000001C36000-memory.dmp

Filesize
24KB

Download
memory/1444-22-0x0000000001C20000-0x0000000001C26000-memory.dmp

Filesize
24KB

Download
memory/2792-0-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download
memory/2792-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

Filesize
24KB

Download
memory/2792-8-0x00000000004C0000-0x00000000004C6000-memory.dmp

Filesize
24KB

Download