ee1fadc7ae2d4c45d37563153946b13347e8c15ac5eb4d646f8b0749031cd875

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20240221-en
resource tags

arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
submitted
25/03/2024, 11:49

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General

Target

2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe
Size

37KB
MD5

cb8b68854fd98073d516637e64073ca7
SHA1

1789d8ae681128729a2fce8e2202972e46595553
SHA256

ee1fadc7ae2d4c45d37563153946b13347e8c15ac5eb4d646f8b0749031cd875
SHA512

e5095e35444da4ae83ef78022d471c4e3e575896514e8e3f7be0631f537f412baebc7c1de870602b5196fa7ef81281a4f7e2aad56b80327eb5be38bee161a2fe
SSDEEP

768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/UkRYzrm:vj+jsMQMOtEvwDpj5HcSY/m

Score

9^/10

Malware Config

Signatures

Detection of CryptoLocker Variants 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012240-10.dat	CryptoLocker_rule2

Detection of Cryptolocker Samples 1 IoCs

resource	yara_rule
behavioral1/files/0x000c000000012240-10.dat	CryptoLocker_set1

Executes dropped EXE 1 IoCs

pid	Process
2744	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
2172	2024-03-25_cb8b68854fd98073d516637e64073ca7_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 2172 wrote to memory of 2744	2172	2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe	28
PID 2172 wrote to memory of 2744	2172	2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe	28
PID 2172 wrote to memory of 2744	2172	2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe	28
PID 2172 wrote to memory of 2744	2172	2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-25_cb8b68854fd98073d516637e64073ca7_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2172
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:2744

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
37KB

MD5
053d3c2ee6863a627bf2db0fb24a23dd

SHA1
6aa65e005eb7bebc090c933c804dd53ee6a2ac04

SHA256
2774192c0614ddbe3ff76abb01f5d635f338403348a7a5bf2ef764f4dd74c08f

SHA512
57389404d653d84fcfa529fc4bbdb0c674c03e9f0282fae6eaeec74201013453c8cfe6594c9e5176b46ea85e7fdc6724b619f0a721fa7af3b21403c14da807f5

Download Submit
memory/2172-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2172-1-0x0000000000280000-0x0000000000286000-memory.dmp

Filesize
24KB

Download
memory/2172-3-0x00000000001D0000-0x00000000001D6000-memory.dmp

Filesize
24KB

Download
memory/2744-16-0x0000000000450000-0x0000000000456000-memory.dmp

Filesize
24KB

Download
memory/2744-15-0x0000000000320000-0x0000000000326000-memory.dmp

Filesize
24KB

Download