5031052dd5f8b048c49963f24cea8adbed02deb51c416f3fcdc9221b73f42a24

Analysis

max time kernel
148s
max time network
154s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
09/03/2024, 19:48

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General

Target

2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe
Size

41KB
MD5

33cf34c50f9c108f1d21d10491a17425
SHA1

be68c85d347b532737260fe1c2c21d673810c7d4
SHA256

5031052dd5f8b048c49963f24cea8adbed02deb51c416f3fcdc9221b73f42a24
SHA512

34a9abbc2b99ff0c075863f6ae0fa4397aa264e311c5ff757328837269e6a85eb6abc15d2e132ff28541e626ad31873e079b8a6b3ae70c2d3cf26499c6e90389
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu529hwXwP:bgGYcA/53GADw8Ch92XQ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x00070000000120e4-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2860	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1708	2024-03-09_33cf34c50f9c108f1d21d10491a17425_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 1708 wrote to memory of 2860	1708	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	28
PID 1708 wrote to memory of 2860	1708	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	28
PID 1708 wrote to memory of 2860	1708	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	28
PID 1708 wrote to memory of 2860	1708	2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-09_33cf34c50f9c108f1d21d10491a17425_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2860

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
41KB

MD5
4915b9e441fab355ea0260bdee64c202

SHA1
4150c0246a80a008febcba85510c3edd3ebbbf74

SHA256
0585fba321c771dd15b33bf2fdfc2cecc63f4f23b7f78c446b303d57b23dee90

SHA512
08992d8fd9cba47bb3857149bc4e324163f005a85ec4a517c6d71294674897c1fd5755166916a770b990ac458833c9f752cc7166fd811026986c43b27309e473

Download Submit
memory/1708-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/1708-1-0x00000000004F0000-0x00000000004F6000-memory.dmp

Filesize
24KB

Download
memory/1708-2-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2860-15-0x00000000005A0000-0x00000000005A6000-memory.dmp

Filesize
24KB

Download
memory/2860-17-0x0000000000580000-0x0000000000586000-memory.dmp

Filesize
24KB

Download