753c42614c4fece5687caefda788ccb59d20a03d1b204fe9d5aa3c516368cc75

Analysis

max time kernel
145s
max time network
165s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
07-01-2024 12:13

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General

Target

2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe
Size

97KB
MD5

9b7e6c3ed8c38ad6f1f4b41771dcf09d
SHA1

c55a87f31f5806fd69d441e203bf535ad59ce122
SHA256

753c42614c4fece5687caefda788ccb59d20a03d1b204fe9d5aa3c516368cc75
SHA512

b3e1c4838f8cec43f189371724d23da9d21e5e64970b9a2f6e25078338166edda5cd9d44c034b1eb1d399034f6c7c3533f1003d47497704ae0b975e925415050
SSDEEP

768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRiWjzUNu:i5nkFGMOtEvwDpjNbwQEIikgNu

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3060	misid.exe

Loads dropped DLL 1 IoCs

pid	Process
1872	2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_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 1872 wrote to memory of 3060	1872	2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe	28
PID 1872 wrote to memory of 3060	1872	2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe	28
PID 1872 wrote to memory of 3060	1872	2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe	28
PID 1872 wrote to memory of 3060	1872	2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-06_9b7e6c3ed8c38ad6f1f4b41771dcf09d_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:1872
- C:\Users\Admin\AppData\Local\Temp\misid.exe
  "C:\Users\Admin\AppData\Local\Temp\misid.exe"
  2⤵
  - Executes dropped EXE
  PID:3060

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

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

Filesize
97KB

MD5
655578b3a70c181d71a6749d50d8de92

SHA1
592ac9a29f35fb9218598d44be147b33cfa51262

SHA256
855d132e781d3af564f0e010c31a7a06f033dc891ff7531855335d0232d58984

SHA512
2e4e2c7630b0f2ba419e0075610e13bf697e692da7d52c2532181fc0b554e7b361e570f115817d335c449c7283498c71cc3a8bfb4e9bb54fa2f2822a654a26b2

Download Submit
memory/1872-1-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1872-2-0x00000000004A0000-0x00000000004A6000-memory.dmp

Filesize
24KB

Download
memory/1872-0-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1872-3-0x0000000000240000-0x0000000000246000-memory.dmp

Filesize
24KB

Download
memory/1872-16-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/1872-13-0x00000000026C0000-0x00000000026CF000-memory.dmp

Filesize
60KB

Download
memory/3060-26-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3060-19-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/3060-18-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download
memory/3060-27-0x0000000000500000-0x000000000050F000-memory.dmp

Filesize
60KB

Download