a2e00854ac16e03c5ec8fe5f7fc3f3ce38c5d69d57d86edc58857ca6d4103fd5

Analysis

max time kernel
149s
max time network
152s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/02/2024, 15:32

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General

Target

2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe
Size

41KB
MD5

3db84aadb21fff74bfe22427c45855d9
SHA1

c1aec3832d64760a68fd9378db91f3b0ac1d7f8e
SHA256

a2e00854ac16e03c5ec8fe5f7fc3f3ce38c5d69d57d86edc58857ca6d4103fd5
SHA512

6b224cde22bd0fddcb39127aa92f18a9b55da9b335f6481b88913fe5453264171e9037fbdb8a3c575fcb24f29a349ac316a683210d800b12afe43a3c68c053a9
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjLenQL3bT1:ZzFbxmLPWQMOtEvwDpjLeU3d

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000d000000012267-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2992	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1708	2024-02-25_3db84aadb21fff74bfe22427c45855d9_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 1708 wrote to memory of 2992	1708	2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe	28
PID 1708 wrote to memory of 2992	1708	2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe	28
PID 1708 wrote to memory of 2992	1708	2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe	28
PID 1708 wrote to memory of 2992	1708	2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-02-25_3db84aadb21fff74bfe22427c45855d9_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1708
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2992

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
41KB

MD5
b418f22fecba6876a8240e0e857f8b3a

SHA1
e0ca2c083f579c3bc198900575e10ca36b27a641

SHA256
7ccb11c3e44960e35d9020d41545fc70cf9809da7b0d4edefdeede09e6c3ab7c

SHA512
811082e13e5d9681b7ced660409f3996649d5b01e2f2cdf0a9a4341f725af3723211869e65efe5adb8e223a66c8b3d3d8ab723f58b237a5953652841a6b3d90f

Download Submit
memory/1708-1-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/1708-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1708-2-0x0000000000270000-0x0000000000276000-memory.dmp

Filesize
24KB

Download
memory/1708-4-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2992-17-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download
memory/2992-16-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2992-24-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download