67820382ec8dc58ccad908ec72600203f078f9b5ae36a068496eddc7b14a0611

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
21/02/2024, 15:46

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General

Target

2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe
Size

45KB
MD5

e1928dec9520a6fe22f6c1dcfa1d47d1
SHA1

07fbaec4f977bb21a029448b66167b6b678eafca
SHA256

67820382ec8dc58ccad908ec72600203f078f9b5ae36a068496eddc7b14a0611
SHA512

431fd2a135c3aad9a94d75bc74b640aafe15a953240c8ddc333c1b90e4ba827242e81d7eb75b33f32f4bed94922238ac75d1c5f30cd7e1910f3c6c41acb2d1eb
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1ws3:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1J

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000a000000012233-23.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2980	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
3032	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_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 3032 wrote to memory of 2980	3032	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	19
PID 3032 wrote to memory of 2980	3032	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	19
PID 3032 wrote to memory of 2980	3032	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	19
PID 3032 wrote to memory of 2980	3032	2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe	19

C:\Users\Admin\AppData\Local\Temp\2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-21_e1928dec9520a6fe22f6c1dcfa1d47d1_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3032
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2980

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\misid.exe

Filesize
45KB

MD5
4614bf97628dddfd14550f000210c556

SHA1
26743af57ed56ba475d20773a42a320a9f9a47c5

SHA256
bb7bb2b3fe240f5d90359fd1baa90e217b347ef93f33bc0f172befc88bd01416

SHA512
5f0373792de1c0a397376c010823981e0c2fc09b6a916a8925c2b06c524f752266986ae50075354b8aaebce52a51dc5ae1ec2065465f6a869d089f6305e04768

Download Submit
memory/2980-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2980-16-0x0000000000200000-0x0000000000206000-memory.dmp

Filesize
24KB

Download
memory/2980-14-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3032-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3032-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3032-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download