3321dbd41f43fd7023a00ab156e010f060aebdcffa6f5d03e4130203379f59c8

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
24/04/2024, 22:25

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General

Target

2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe
Size

41KB
MD5

4c3356808944653f7795fc321a1f7543
SHA1

6019d6c7aad9065bfa39d36cbb0ecd0520951f01
SHA256

3321dbd41f43fd7023a00ab156e010f060aebdcffa6f5d03e4130203379f59c8
SHA512

2d24312f76cdc90d07b914755645157b6d8b9b5a0bc01ad5009dbaebeab6d64686f2a20f7b77b7370642468ef1888ec90164e638236ee2e3ae1c43fb2c1ef0ed
SSDEEP

768:bgX4zYcgTEu6QOaryfjqDDw3sCu5mXW1Ro:bgGYcA/53GADw8C3qK

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d00000001224d-10.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2664	hasfj.exe

Loads dropped DLL 1 IoCs

pid	Process
1936	2024-04-24_4c3356808944653f7795fc321a1f7543_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 2664	1936	2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe	28
PID 1936 wrote to memory of 2664	1936	2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe	28
PID 1936 wrote to memory of 2664	1936	2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe	28
PID 1936 wrote to memory of 2664	1936	2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-04-24_4c3356808944653f7795fc321a1f7543_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1936
- C:\Users\Admin\AppData\Local\Temp\hasfj.exe
  "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
  2⤵
  - Executes dropped EXE
  PID:2664

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
e7950b91b5ec8f68e737d26ba0d84e42

SHA1
efaab86754fba84f14276c744824f8dbc7806d64

SHA256
64210325a38e4a35cda2b3ea8b4766d9b896c8ccca6a8092026d7dc17b2a0059

SHA512
aa717ac04d57c2dc52288183c9434785bb5c407930576fa77a7b76aadc89fd076853425308928a25d597e11cb4cb6a562646d122336904ab4da643a3b729c726

Download Submit
memory/1936-0-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/1936-1-0x0000000000480000-0x0000000000486000-memory.dmp

Filesize
24KB

Download
memory/1936-8-0x0000000000470000-0x0000000000476000-memory.dmp

Filesize
24KB

Download
memory/2664-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

Filesize
24KB

Download
memory/2664-22-0x00000000002A0000-0x00000000002A6000-memory.dmp

Filesize
24KB

Download