f5bcb5d8ea6fb9dc7e98a129085376f75d5ab6104e0d9ee16560037ef72d2884

Analysis

max time kernel
149s
max time network
155s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
05/01/2024, 05:50

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe
Size

39KB
MD5

c31cfb8d6d321d50c65864fb5af119b8
SHA1

0eae6d9d4deda3e92825406e050604377248f50d
SHA256

f5bcb5d8ea6fb9dc7e98a129085376f75d5ab6104e0d9ee16560037ef72d2884
SHA512

d47f779d2e0a93062d880173e291dfc7b4dae36b3fa89539d2b1439ec0a75dccfa0a9052abf8bf3679b809497a7bb0283c58c78b331843303ec68545a7295a5d
SSDEEP

768:bIDOw9UiaCHfjnE0Sf88AvvP1oghYvm9/6DyUML:bIDOw9a0Dwo3P1ojvUSDhw

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3060	lossy.exe

Loads dropped DLL 1 IoCs

pid	Process
2620	2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_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 2620 wrote to memory of 3060	2620	2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe	28
PID 2620 wrote to memory of 3060	2620	2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe	28
PID 2620 wrote to memory of 3060	2620	2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe	28
PID 2620 wrote to memory of 3060	2620	2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe	28

C:\Users\Admin\AppData\Local\Temp\2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe
"C:\Users\Admin\AppData\Local\Temp\2024-01-01_c31cfb8d6d321d50c65864fb5af119b8_cryptolocker.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:2620
- C:\Users\Admin\AppData\Local\Temp\lossy.exe
  "C:\Users\Admin\AppData\Local\Temp\lossy.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

Loading Replay Monitor...

Downloads

\Users\Admin\AppData\Local\Temp\lossy.exe

Filesize
39KB

MD5
e7ca30f107d7865ead62a3880ce9c925

SHA1
fa19e13d733827be7206d69384c6252b0862671b

SHA256
b8c58ceec7c6baaef94284777276e32232eb91f4eb5f040eadca448669ee0b2e

SHA512
5cb83e229fafdb73b8cc9778c7eeb7b995a87d6585b38f2f8aa6369045ff2f961b9e0452774f43e103beafc0c0926d5aeea7f81779857f24c7d3352604814cdf

Download Submit
memory/2620-0-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/2620-1-0x00000000002F0000-0x00000000002F6000-memory.dmp

Filesize
24KB

Download
memory/2620-8-0x00000000002C0000-0x00000000002C6000-memory.dmp

Filesize
24KB

Download
memory/3060-16-0x0000000000300000-0x0000000000306000-memory.dmp

Filesize
24KB

Download
memory/3060-15-0x00000000002D0000-0x00000000002D6000-memory.dmp

Filesize
24KB

Download