8c5331fc1e5b9971da1545a4e1409bb95028760e748ed0bc3eecd2dfd36d9073

Analysis

max time kernel
149s
max time network
150s
platform
windows7_x64
resource
win7-20231129-en
resource tags

arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
submitted
18/01/2024, 23:30

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe
Size

42KB
MD5

e7879af574ab7f40639b5957e49e1041
SHA1

e71a4dacdec57a475cefba38d94691122157cbda
SHA256

8c5331fc1e5b9971da1545a4e1409bb95028760e748ed0bc3eecd2dfd36d9073
SHA512

96899b116788b5b6e70e97ab0d9ec1d930d3d82fbe6d243a93cb07ab57b04964c9594e98f48c4a633dbc8ba64c74612009c3f88519a750d7f751796c41def257
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+cc66nkp6z:vj+jsMQMOtEvwDpj5HW5IiM

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001447e-13.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000900000001447e-13.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
3056	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2360	2024-01-18_e7879af574ab7f40639b5957e49e1041_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 2360 wrote to memory of 3056	2360	2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe	28
PID 2360 wrote to memory of 3056	2360	2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe	28
PID 2360 wrote to memory of 3056	2360	2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe	28
PID 2360 wrote to memory of 3056	2360	2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-18_e7879af574ab7f40639b5957e49e1041_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3056

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\misid.exe

Filesize
42KB

MD5
625e082edaa8fafcbe78b984821843df

SHA1
ae1474a0b760000ecca20a1c4d25a31589cbbbd2

SHA256
ce8cdf196e038ca1db9447d01a1ff35266126833bfdc0092e1c4d6eb9142e39e

SHA512
7d3f0952d6a228d7bff6b55a7bc7b559eb6047283a160dbdcbb6e144633dfae8ec8997603af95d79ea0082945a9d59ecee90820491ca102c7f389764084ce508

Download Submit
memory/2360-0-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/2360-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2360-8-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/3056-15-0x0000000000460000-0x0000000000466000-memory.dmp

Filesize
24KB

Download
memory/3056-18-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download