2660b7366d1d706b222520683ca56862e716270d7354e358af7a5dcb13d8448d

Analysis

max time kernel
148s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
28/05/2024, 03:48

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General

Target

2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe
Size

38KB
MD5

897588e4eed5186a4f6e4bb61bc32293
SHA1

0f49b5530a8f8321eb376508b63b72b291e34fee
SHA256

2660b7366d1d706b222520683ca56862e716270d7354e358af7a5dcb13d8448d
SHA512

191f7a22860dc970dee4645e6e831a2f547f5d981fee0c150ecd55317b8bfd1755bcd948ede427f7e0c44698f233d3654f3c0c94a973d627883ad0e027c752e0
SSDEEP

768:fTz7y3lhsT+hs1SQtOOtEvwDpjfAu9+4i:fT+hsMQMOtEvwDpjoIHi

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000015f7a-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2020	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2104	2024-05-28_897588e4eed5186a4f6e4bb61bc32293_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 2104 wrote to memory of 2020	2104	2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe	28
PID 2104 wrote to memory of 2020	2104	2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe	28
PID 2104 wrote to memory of 2020	2104	2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe	28
PID 2104 wrote to memory of 2020	2104	2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-05-28_897588e4eed5186a4f6e4bb61bc32293_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2104
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2020

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\misid.exe

Filesize
38KB

MD5
7e046304346f6a4e3f99dcfc2f109070

SHA1
e7b349c503d737f911dcef4bc7cc8069bbd91b6e

SHA256
b53d25d06d60faa6cae6e4ea0533918b7b586c9be310dc00de562c54c77a2846

SHA512
b135d422e69e9c5ea3dcc0dde429fa6989b0d7bec767a578636a2b49b930aa2c361985f60d8f48204afa70bd180ec06514feebb0a79860e1459f1a92dcdcf748

Download Submit
memory/2020-22-0x00000000003A0000-0x00000000003A6000-memory.dmp

Filesize
24KB

Download
memory/2020-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2104-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2104-8-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2104-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download