47d35cbb4bb7d9d7968a808124cfb582fdea55e05f6f8231823846fe2eb65ba8

Analysis

max time kernel
112s
max time network
146s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
11-01-2024 05:58

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General

Target

2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe
Size

51KB
MD5

f31e0265c572df33baefda9b4e066620
SHA1

1037427d32f6caa0c239e39981189850661bbf54
SHA256

47d35cbb4bb7d9d7968a808124cfb582fdea55e05f6f8231823846fe2eb65ba8
SHA512

b318d250bbc0c6acc58b30699c93b5c5acdc046b8598922cd3a131c840511f737235b119eda96a0adfeca78b4514ca98f8fb8e0ad7b036881d3213945b213fe5
SSDEEP

768:bIDOw9UiaCHfjnE0Sfa7ilR0p9u6p4ICNBCXK9GW:bIDOw9a0DwitDZzs

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2244	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2476	2024-01-10_f31e0265c572df33baefda9b4e066620_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 2476 wrote to memory of 2244	2476	2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe	28
PID 2476 wrote to memory of 2244	2476	2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe	28
PID 2476 wrote to memory of 2244	2476	2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe	28
PID 2476 wrote to memory of 2244	2476	2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-10_f31e0265c572df33baefda9b4e066620_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2476
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
  2⤵
  - Executes dropped EXE
  PID:2244

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\lossy.exe

Filesize
52KB

MD5
64d34d0235de8742e0d82612a452fa04

SHA1
033aedcfdc00a78c85198ae09899b56d86a991c2

SHA256
6b5c09b1cf60bdf68514b66994a2c7889da52b6d91e4a054fd5181f3460f1e55

SHA512
28077c935ca4e713a74659520eb9ec40735bb14dd59686c84e83cf396b773b4004470de8ef38b848a21b37bf5000266b2844e1f19064ebc044bdec6fb7dcfec2

Download Submit
memory/2244-16-0x0000000000550000-0x0000000000556000-memory.dmp

Filesize
24KB

Download
memory/2244-15-0x0000000000420000-0x0000000000426000-memory.dmp

Filesize
24KB

Download
memory/2476-0-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download
memory/2476-1-0x0000000000360000-0x0000000000366000-memory.dmp

Filesize
24KB

Download
memory/2476-2-0x0000000000330000-0x0000000000336000-memory.dmp

Filesize
24KB

Download