fe5d1f01bec31197e6d607515397461dc33ca5f9aafad70729e4ce8c081611c4

Analysis

max time kernel
149s
max time network
151s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
10-03-2024 10:41

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General

Target

2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe
Size

47KB
MD5

b0d3184222e7f5df7a1940fc4d70863e
SHA1

802f572b132494daba83722a6673e84b5e449501
SHA256

fe5d1f01bec31197e6d607515397461dc33ca5f9aafad70729e4ce8c081611c4
SHA512

fb971e593502fce1b7e84b96179f7412a3dbd1f7afd1ddd88e02b3eeb209cc94b4baf773a4d9bd179fc293a17e416e548fcde76a7999d9808b4162a798f7407e
SSDEEP

768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8z2iaSIO/WZrEu/d+qmsUHQ1wsc:ZzFbxmLPWQMOtEvwDpj386Sj/WprqQ1e

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c00000001224e-11.dat	CryptoLocker_rule2

Executes dropped EXE 1 IoCs

pid	Process
2760	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2924	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_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 2924 wrote to memory of 2760	2924	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	28
PID 2924 wrote to memory of 2760	2924	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	28
PID 2924 wrote to memory of 2760	2924	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	28
PID 2924 wrote to memory of 2760	2924	2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-10_b0d3184222e7f5df7a1940fc4d70863e_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2924
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2760

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
47KB

MD5
1c45ee32fb29d32f3a86b21e1d74a1ca

SHA1
2199f3926b71f9bff10e03d191abd479fcc46f1c

SHA256
69821fab599b66c78d6b16a4f4ce7969bedf4005ca4fe2a478924c0014ae9de5

SHA512
4ec1a420b90a23c20a60c78745f1b813ded6a4911d5543455d2c1b9a596569d6e8ecad1052d0c6cedf6edfa34d7e8adcfd432d9b567c076320d65167a772f58c

Download Submit
memory/2760-16-0x00000000020B0000-0x00000000020B6000-memory.dmp

Filesize
24KB

Download
memory/2760-23-0x00000000004B0000-0x00000000004B6000-memory.dmp

Filesize
24KB

Download
memory/2924-0-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download
memory/2924-1-0x0000000000230000-0x0000000000233000-memory.dmp

Filesize
12KB

Download
memory/2924-3-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/2924-2-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download