415f63f9f37cdbed215679e6f4da83dabfe31f9ce6fb794adb6da3a5d26e6c94

Analysis

max time kernel
136s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
25/12/2023, 23:04

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

420d75f5605d1970bb0ae2325f868ffc.exe
Size

142KB
MD5

420d75f5605d1970bb0ae2325f868ffc
SHA1

dd487cd7b5dbb72340606957d92864262323ab28
SHA256

415f63f9f37cdbed215679e6f4da83dabfe31f9ce6fb794adb6da3a5d26e6c94
SHA512

61b2c95190e3cd10fea9442cdba28b2d37e4d6a1391c69ea0ef2490882c5244e70d29cf620df72b543f3bc9dd38a9749657db19e6e215b53704fa0f27cea2509
SSDEEP

3072:hnOn7t7XpdpCCTg/sxFgJ6eqgKJ+BCZCfrJG7AKvKDc2qeJz2uT:hKpdcCrTdgKoTr1ueR2E

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
3868	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
556	420d75f5605d1970bb0ae2325f868ffc.exe
556	420d75f5605d1970bb0ae2325f868ffc.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious use of SetWindowsHookEx 2 IoCs

pid	Process
3868	downloadmr.exe
3868	downloadmr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 556 wrote to memory of 3868	556	420d75f5605d1970bb0ae2325f868ffc.exe	20
PID 556 wrote to memory of 3868	556	420d75f5605d1970bb0ae2325f868ffc.exe	20
PID 556 wrote to memory of 3868	556	420d75f5605d1970bb0ae2325f868ffc.exe	20

C:\Users\Admin\AppData\Local\Temp\420d75f5605d1970bb0ae2325f868ffc.exe
"C:\Users\Admin\AppData\Local\Temp\420d75f5605d1970bb0ae2325f868ffc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:556
- C:\Users\Admin\AppData\Local\Temp\nsk3904.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsk3904.tmp\downloadmr.exe /u4d4881ec-1a64-40da-b78d-79555bc06ebe /e106892
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:3868

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

memory/556-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/3868-15-0x0000000000950000-0x0000000000960000-memory.dmp

Filesize
64KB

Download
memory/3868-14-0x0000000073DF0000-0x00000000743A1000-memory.dmp

Filesize
5.7MB

Download
memory/3868-13-0x0000000073DF0000-0x00000000743A1000-memory.dmp

Filesize
5.7MB

Download
memory/3868-17-0x0000000000950000-0x0000000000960000-memory.dmp

Filesize
64KB

Download
memory/3868-16-0x0000000000950000-0x0000000000960000-memory.dmp

Filesize
64KB

Download
memory/3868-18-0x0000000000950000-0x0000000000960000-memory.dmp

Filesize
64KB

Download
memory/3868-20-0x0000000073DF0000-0x00000000743A1000-memory.dmp

Filesize
5.7MB

Download