6da1bb18d50b9365e9b290dc2be93ec280a7b76a121023e4e453f400a3235ffe

Analysis

max time kernel
119s
max time network
120s
platform
windows7_x64
resource
win7-20231215-en
resource tags

arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
submitted
26/12/2023, 07:05

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General

Target

5b648b9054475b8496b7fe3e3d562f5a.exe
Size

142KB
MD5

5b648b9054475b8496b7fe3e3d562f5a
SHA1

ce7321839540299a9c894bf1338ab6592aff9c4e
SHA256

6da1bb18d50b9365e9b290dc2be93ec280a7b76a121023e4e453f400a3235ffe
SHA512

8e14785c90ffc6c8837865f317852e04117ed5fb45c15c6e61bfd2c98a35d8f189c6f0fcb88bbaf13ba73417ac38e6142269f61dfa39bbb3c53a7842766bfcdf
SSDEEP

3072:inOn7t7XpdpCCTg/sxFgJaeqgKJ+BCpC0BOAIiBMwLi70QNe+rH8R70AxpSQ8:iKpdcCrTdgK4nlidu4YVHo7mQ8

Score

7^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
2696	downloadmr.exe

Loads dropped DLL 4 IoCs

pid	Process
3000	5b648b9054475b8496b7fe3e3d562f5a.exe
3000	5b648b9054475b8496b7fe3e3d562f5a.exe
3000	5b648b9054475b8496b7fe3e3d562f5a.exe
3000	5b648b9054475b8496b7fe3e3d562f5a.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
2696	downloadmr.exe
2696	downloadmr.exe

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 3000 wrote to memory of 2696	3000	5b648b9054475b8496b7fe3e3d562f5a.exe	17
PID 3000 wrote to memory of 2696	3000	5b648b9054475b8496b7fe3e3d562f5a.exe	17
PID 3000 wrote to memory of 2696	3000	5b648b9054475b8496b7fe3e3d562f5a.exe	17
PID 3000 wrote to memory of 2696	3000	5b648b9054475b8496b7fe3e3d562f5a.exe	17

C:\Users\Admin\AppData\Local\Temp\5b648b9054475b8496b7fe3e3d562f5a.exe
"C:\Users\Admin\AppData\Local\Temp\5b648b9054475b8496b7fe3e3d562f5a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3000
- C:\Users\Admin\AppData\Local\Temp\nsd1E6B.tmp\downloadmr.exe
  C:\Users\Admin\AppData\Local\Temp\nsd1E6B.tmp\downloadmr.exe /u4e8de351-1254-4bc4-803a-1e235bc06f2f /e2365298
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetWindowsHookEx
  PID:2696

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\nsd1E6B.tmp\System.dll

Filesize
21KB

MD5
5ebc73650256e9c8ddbcda231db829a1

SHA1
988d4535e18754ab2a6248abae96c5697d7dbcd5

SHA256
1eaa543842df7795404184e8892a1654b0773dbc9bd8b54c7fdb9e68f4355493

SHA512
b21266e76fc7263af982a1336a766e47ccf348ed56b305dbb09f03574c9b2a7309f12200e80d86f9a251381be6e87a41206447f11c51899cb31fba10da1d5270

Download Submit
memory/2696-19-0x0000000001FD0000-0x0000000002010000-memory.dmp

Filesize
256KB

Download
memory/2696-20-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-18-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/2696-22-0x0000000001FD0000-0x0000000002010000-memory.dmp

Filesize
256KB

Download
memory/2696-21-0x0000000001FD0000-0x0000000002010000-memory.dmp

Filesize
256KB

Download
memory/2696-23-0x0000000001FD0000-0x0000000002010000-memory.dmp

Filesize
256KB

Download
memory/2696-24-0x0000000005AB0000-0x0000000005BB0000-memory.dmp

Filesize
1024KB

Download
memory/2696-25-0x0000000074A80000-0x000000007502B000-memory.dmp

Filesize
5.7MB

Download
memory/3000-29-0x0000000000400000-0x000000000043F000-memory.dmp

Filesize
252KB

Download