809305acca7970cecbf196a21af8a044b902608111f06ea2907c452abcecbf09

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11/02/2024, 20:42

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General

Target

2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe
Size

41KB
MD5

dc297de81b3eefe6fa9c5acff17b6391
SHA1

19a15523f70c948c77c8f2bc0dbcfb6670c140ae
SHA256

809305acca7970cecbf196a21af8a044b902608111f06ea2907c452abcecbf09
SHA512

7230b4cd48a2df67b8f1d33d1332b146d49c24616770eadc047de88694ea2ca45eba3c24dc7352640c3961e50ff75161decdc158ef9ca64391da3e3d314f2814
SSDEEP

384:bgX4uGLLQRcsdeQ7/nQu63Ag7YmecFanrlwfjDUkKDfWf0w3sp8u5co9+slGT:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+s2

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012261-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2760	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
2832	2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_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 2832 wrote to memory of 2760	2832	2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe	28
PID 2832 wrote to memory of 2760	2832	2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe	28
PID 2832 wrote to memory of 2760	2832	2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe	28
PID 2832 wrote to memory of 2760	2832	2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-11_dc297de81b3eefe6fa9c5acff17b6391_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2832
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2760

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
febb198b225e9275cd22d49fc0ea712f

SHA1
51886ae5b7e881e29dca489d47925c5bbd12eb0e

SHA256
271dc8170baca9b8375b86727251e001e0db9e10ae167d9becd91bc3264443c7

SHA512
09227e43fa470f45647e31dc47df7c6555698f6cdebdf5ff0dd4b053efb8c03124f2ed81932c19a0965b0f9d93cf4c28a329bbc185d6c01eddad96eaa10964da

Download Submit
memory/2760-17-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2832-0-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2832-2-0x0000000001CA0000-0x0000000001CA6000-memory.dmp

Filesize
24KB

Download
memory/2832-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download