c4db06bcb666732932aaed3b8c3224fa527b18c9fd3a88c03c4af2efc4a546a3

Analysis

max time kernel
0s
max time network
140s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
04/01/2024, 15:13

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General

Target

2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe
Size

45KB
MD5

24b1ebdc4f235209426d00e2d41f60e5
SHA1

d96545f7ff31674af2e8b86c4e494324dcdcd3c7
SHA256

c4db06bcb666732932aaed3b8c3224fa527b18c9fd3a88c03c4af2efc4a546a3
SHA512

2e2b1bed3f885c131db219c713220a9e40feeb5504cfd23970487dd7d37832c4e4b7431f0d1ac59bab3aa5bb87614618d56086abaedaaaae4c46e261c9c17048
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDlC6JFbK37Yl6deMx:bgGYcA/53GAA6y37Q6dB

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2352	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2724	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_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 2724 wrote to memory of 2352	2724	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	16
PID 2724 wrote to memory of 2352	2724	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	16
PID 2724 wrote to memory of 2352	2724	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	16
PID 2724 wrote to memory of 2352	2724	2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe	16

C:\Users\Admin\AppData\Local\Temp\2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-03_24b1ebdc4f235209426d00e2d41f60e5_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2724
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2352

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

C:\Users\Admin\AppData\Local\Temp\hasfj.exe

Filesize
17KB

MD5
f8cb9ead3a4926ceb01e6e3d0eb17094

SHA1
6a49023954c431d8d905bc0c91310b1cb8ec54da

SHA256
237ab74e9bd3a519da53b62538c0369244bdd8c1fe6d860c1967e0f2ec3027e4

SHA512
9bee08959479f9ece5e9c20270c5828b9f6994fa08b8188e2f4246919e6c78dbfe0a06473b218db759dd694187de06dc0989a792c98fc19d934fb3f04adf0ea3

Download Submit
memory/2352-15-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/2352-17-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2724-0-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2724-8-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/2724-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download