41d58b7f0d526b668462d8e9a18ab3fa5aed130dffd4997b1ec77571acf0b485

Analysis

max time kernel
129s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20231215-en
resource tags

arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
submitted
26/12/2023, 07:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

5d449ee5835c2030f059d689f056b4dc.exe
Size

142KB
MD5

5d449ee5835c2030f059d689f056b4dc
SHA1

f3e1f129a5c17ecbd767610b62dbd546eb4bac01
SHA256

41d58b7f0d526b668462d8e9a18ab3fa5aed130dffd4997b1ec77571acf0b485
SHA512

a79390e6d0f042a84e49336770a48844fcc3661c2a31d73dc13296e2cde88d355a335e61453f5ce328aac93b220860764d5c3d3bdef5ea66356ef6a77cc9408b
SSDEEP

3072:KnOn7t7XpdpCCTg/sxFgJ6eqgKJ+BCJCr7lNkvIIoQjvHmxrKDbuauSflfg:KKpdcCrTdgKYr5a4QjvHmxrcbHx6

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
4860	downloadmr.exe

Loads dropped DLL 2 IoCs

pid	Process
4036	5d449ee5835c2030f059d689f056b4dc.exe
4036	5d449ee5835c2030f059d689f056b4dc.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
4860	downloadmr.exe
4860	downloadmr.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4036 wrote to memory of 4860	4036	5d449ee5835c2030f059d689f056b4dc.exe	20
PID 4036 wrote to memory of 4860	4036	5d449ee5835c2030f059d689f056b4dc.exe	20
PID 4036 wrote to memory of 4860	4036	5d449ee5835c2030f059d689f056b4dc.exe	20

C:\Users\Admin\AppData\Local\Temp\5d449ee5835c2030f059d689f056b4dc.exe
"C:\Users\Admin\AppData\Local\Temp\5d449ee5835c2030f059d689f056b4dc.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4036
- C:\Users\Admin\AppData\Local\Temp\nsu45A6.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsu45A6.tmp\downloadmr.exe /u4d488269-6268-4c29-b4c2-79305bc06ebe /e1929986
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:4860

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

C:\Users\Admin\AppData\Local\Temp\nsu45A6.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
C:\Users\Admin\AppData\Local\Temp\nsu45A6.tmp\downloadmr.exe

Filesize
92KB

MD5
32ac35f4f41d4b0a9e176b8bf5d1b748

SHA1
0ebd9a543cf4c73a8ee9a1e39615cbfa7c161082

SHA256
fb1108ad21ea2e314c8cd50d25c326c7b25d2f4d4c2ad51e6e06318072dd1c57

SHA512
77c074dc3cd9b088fdad0e55d208727edd5d0f5b66e2ec4731fd8bdfcdf0d8b97fb543bce4a6658389ec4153a5a371ec3e67eb10e90cb910b76cec70ba39d9c9

Download Submit
memory/4036-24-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download
memory/4860-14-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4860-15-0x0000000074200000-0x00000000747B1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-13-0x0000000074200000-0x00000000747B1000-memory.dmp

Filesize
5.7MB

Download
memory/4860-17-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4860-16-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4860-18-0x00000000019B0000-0x00000000019C0000-memory.dmp

Filesize
64KB

Download
memory/4860-20-0x0000000074200000-0x00000000747B1000-memory.dmp

Filesize
5.7MB

Download