18d8c6c9186603aaa63619ea01d5289649ceff3ce2732aa9f2e5ac9fdba782f8

Analysis

max time kernel
148s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
18/03/2024, 12:45

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General

Target

2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe
Size

123KB
MD5

ad3a5c4dc76f90148182a97950a5ced6
SHA1

e0047e62e75fa0b949e13bd58f049688c24e23e5
SHA256

18d8c6c9186603aaa63619ea01d5289649ceff3ce2732aa9f2e5ac9fdba782f8
SHA512

4b1a54d41eda93cc3cf33b8d96a5528e78a4e075b79694dc6130ce9bf655bd01f2ad48b126918ed120b12f213b7eba92192c465e9978b8cf97a51dc62db40b3e
SSDEEP

1536:gUj+AIMOtEvwDpjNbwQEIPlemUhYwkkxE4Mqbad:vCA9OtEvwDpjP

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012254-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x0009000000012254-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2692	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1964	2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_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 1964 wrote to memory of 2692	1964	2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe	28
PID 1964 wrote to memory of 2692	1964	2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe	28
PID 1964 wrote to memory of 2692	1964	2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe	28
PID 1964 wrote to memory of 2692	1964	2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-18_ad3a5c4dc76f90148182a97950a5ced6_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1964
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2692

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
124KB

MD5
cae3792f4489f4913da0f9c38ec5ecfb

SHA1
50dfd394e90b5182097cde8d4a486cb87bff231a

SHA256
f956daf5edc61cb4b51fcb2dbbe41ed65cfa5bfb26c2b7943b2070a4e9c9ff2d

SHA512
4c3165b6d6355ba75261b632ad362cafd33d0fc6c806d5a85282f32d6170b5957282d49d00af75d1dc8033672841bd91b7959e0a52d5888660ada791ead6c164

Download Submit
memory/1964-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/1964-1-0x0000000000350000-0x0000000000356000-memory.dmp

Filesize
24KB

Download
memory/1964-3-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2692-15-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2692-17-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download