ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec

General

Target

ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe
Size

33KB
MD5

72d83b61847efab6d09999506a4d7a18
SHA1

408dcace71fed3d6ec7c8f628ec84cbdebd7e108
SHA256

ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec
SHA512

5d7b86aa56f2c1491bff40bb8e8c0180727f65ecf86785a25fc03cfd33cd655364743bc322357072eeca9e25ec8832466291172339dfd16376fcc92550044e33
SSDEEP

768:BDtodNkDnNQqajgp5yWmeF6qQ4wRbx6nV:BR9DnNQqacJmeF7gbx6nV

Score

8^/10

Malware Config

Signatures

Executes dropped EXE 1 IoCs

pid	Process
1344	Win8.exe

Modifies Windows Firewall 1 TTPs 1 IoCs

evasion

Modify Existing Service

T1031

pid	Process
548	netsh.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3406813a45cf8bdcd106619234d16e2b.exe	Win8.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\3406813a45cf8bdcd106619234d16e2b.exe	Win8.exe

Loads dropped DLL 1 IoCs

pid	Process
960	ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-4063495947-34355257-727531523-1000\Software\Microsoft\Windows\CurrentVersion\Run\3406813a45cf8bdcd106619234d16e2b = "\"C:\\Users\\Admin\\AppData\\Roaming\\Win8.exe\" .."	Win8.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\3406813a45cf8bdcd106619234d16e2b = "\"C:\\Users\\Admin\\AppData\\Roaming\\Win8.exe\" .."	Win8.exe

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

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
1344	Win8.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1344	Win8.exe

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 960 wrote to memory of 1344	960	ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe	27
PID 960 wrote to memory of 1344	960	ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe	27
PID 960 wrote to memory of 1344	960	ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe	27
PID 960 wrote to memory of 1344	960	ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe	27
PID 1344 wrote to memory of 548	1344	Win8.exe	28
PID 1344 wrote to memory of 548	1344	Win8.exe	28
PID 1344 wrote to memory of 548	1344	Win8.exe	28
PID 1344 wrote to memory of 548	1344	Win8.exe	28

C:\Users\Admin\AppData\Local\Temp\ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe
"C:\Users\Admin\AppData\Local\Temp\ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec.exe"
1⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:960
- C:\Users\Admin\AppData\Roaming\Win8.exe
  "C:\Users\Admin\AppData\Roaming\Win8.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Adds Run key to start application
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1344
- - C:\Windows\SysWOW64\netsh.exe
    netsh firewall add allowedprogram "C:\Users\Admin\AppData\Roaming\Win8.exe" "Win8.exe" ENABLE
    3⤵
    - Modifies Windows Firewall
    PID:548

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Modify Existing Service

1

T1031

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Win8.exe

Filesize
33KB

MD5
72d83b61847efab6d09999506a4d7a18

SHA1
408dcace71fed3d6ec7c8f628ec84cbdebd7e108

SHA256
ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec

SHA512
5d7b86aa56f2c1491bff40bb8e8c0180727f65ecf86785a25fc03cfd33cd655364743bc322357072eeca9e25ec8832466291172339dfd16376fcc92550044e33

Download Submit
C:\Users\Admin\AppData\Roaming\Win8.exe

Filesize
33KB

MD5
72d83b61847efab6d09999506a4d7a18

SHA1
408dcace71fed3d6ec7c8f628ec84cbdebd7e108

SHA256
ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec

SHA512
5d7b86aa56f2c1491bff40bb8e8c0180727f65ecf86785a25fc03cfd33cd655364743bc322357072eeca9e25ec8832466291172339dfd16376fcc92550044e33

Download Submit
\Users\Admin\AppData\Roaming\Win8.exe

Filesize
33KB

MD5
72d83b61847efab6d09999506a4d7a18

SHA1
408dcace71fed3d6ec7c8f628ec84cbdebd7e108

SHA256
ddb9fbe1466215b7fe544f6cdb700c36afbf8c79c76b9b0e27cf16efaa71c5ec

SHA512
5d7b86aa56f2c1491bff40bb8e8c0180727f65ecf86785a25fc03cfd33cd655364743bc322357072eeca9e25ec8832466291172339dfd16376fcc92550044e33

Download Submit
memory/960-54-0x00000000757A1000-0x00000000757A3000-memory.dmp

Filesize
8KB

Download
memory/960-60-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1344-62-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download
memory/1344-64-0x00000000749D0000-0x0000000074F7B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing