91740ee8429629c7b81d30bfa1744a299a445c232fd0ccc312474ba1dc3a9dee

Analysis

max time kernel
148s
max time network
149s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
05/03/2024, 07:46

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General

Target

2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe
Size

66KB
MD5

5016a195c5a64cbc298044f6fe91c733
SHA1

3db41356572d4c1e7465e21fdeb5f58c5f2c5f69
SHA256

91740ee8429629c7b81d30bfa1744a299a445c232fd0ccc312474ba1dc3a9dee
SHA512

8898ef170a8e4fb641bfccfb9fd69420e21557559eb6c13d3be239ad0a1f7d6ef6a6ffffbb0ca5cf49596943fa5c2562fc50b5ddac2eda69cb8ef083f453a097
SSDEEP

1536:ZzFbxmLPWQMOtEvwDpj386Sj/WprgJN6tZdOyJ3hvLcbVZhr:ZVxkGOtEvwDpjcawZ

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 2 IoCs

resource	yara_rule
behavioral1/files/0x000b000000012254-11.dat	CryptoLocker_rule2
behavioral1/memory/2792-24-0x0000000000230000-0x0000000000236000-memory.dmp	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2792	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1976	2024-03-05_5016a195c5a64cbc298044f6fe91c733_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 1976 wrote to memory of 2792	1976	2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe	28
PID 1976 wrote to memory of 2792	1976	2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe	28
PID 1976 wrote to memory of 2792	1976	2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe	28
PID 1976 wrote to memory of 2792	1976	2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-05_5016a195c5a64cbc298044f6fe91c733_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1976
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2792

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
66KB

MD5
7e6d6c2de399e5ab0ce4c72af1a0521b

SHA1
2198ab88bb4b6fbc8965ada78bcecede5040b528

SHA256
8486e01c20a387df2b8e1b609d7dd38f058d66565d6ebd09d324e3063dc9c566

SHA512
95e5fece9c3c6abfc4302ddc7d05eada07202d9329f81093462f6e5a43c3823ef576ed79c94aca6dfddf22f78afa93e0195dc52c740614b40d812e9e3801c83a

Download Submit
memory/1976-1-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/1976-0-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/1976-2-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/1976-3-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2792-16-0x0000000000340000-0x0000000000346000-memory.dmp

Filesize
24KB

Download
memory/2792-18-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2792-24-0x0000000000230000-0x0000000000236000-memory.dmp

Filesize
24KB

Download