25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

General

Target

25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe
Size

116KB
MD5

7fdf1177ae26859ce367d4cd76a712d1
SHA1

3410dbe2e502ccd791b05bb919bc2814d1275bca
SHA256

25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a
SHA512

a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c
SSDEEP

3072:gtuA/sk2uoYzVzSeQ7fFcO73V+cQhkv3NhF:gtTogSztD738cQhQ9hF

Score

10^/10

persistence

Malware Config

Signatures

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1004

Modify Registry

T1112

Processes:

SdTr.exe

description	ioc	process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "userinit.exe,C:\\Users\\Admin\\AppData\\Roaming\\SdTr.exe"	SdTr.exe

Executes dropped EXE 2 IoCs

Processes:

SdTr.exeSdTr.exe

pid process

1368 SdTr.exe
1748 SdTr.exe

pid	process
1368	SdTr.exe
1748	SdTr.exe

Loads dropped DLL 2 IoCs

Processes:

25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe

pid	process
1852	25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe
1852	25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

SdTr.exe

description pid process target process

PID 1368 set thread context of 1748 1368 SdTr.exe SdTr.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: LoadsDriver 1 IoCs

Processes:

pid process

460
Suspicious use of SetWindowsHookEx 2 IoCs

Processes:

25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exeSdTr.exe

pid process

1852 25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe
1368 SdTr.exe

description	pid	process	target process
PID 1368 set thread context of 1748	1368	SdTr.exe	SdTr.exe

pid	process
460

Suspicious use of WriteProcessMemory 17 IoCs

Processes:

25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exeSdTr.exe

description	pid	process	target process
PID 1852 wrote to memory of 1368	1852	25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe	SdTr.exe
PID 1852 wrote to memory of 1368	1852	25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe	SdTr.exe
PID 1852 wrote to memory of 1368	1852	25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe	SdTr.exe
PID 1852 wrote to memory of 1368	1852	25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe
PID 1368 wrote to memory of 1748	1368	SdTr.exe	SdTr.exe

C:\Users\Admin\AppData\Local\Temp\25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe
"C:\Users\Admin\AppData\Local\Temp\25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a.exe"
1⤵
- Loads dropped DLL
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1852

C:\Users\Admin\AppData\Roaming\SdTr.exe
"C:\Users\Admin\AppData\Roaming\SdTr.exe"
2⤵
- Modifies WinLogon for persistence
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1368

C:\Users\Admin\AppData\Roaming\SdTr.exe
"C:\Users\Admin\AppData\Roaming\SdTr.exe"
3⤵
- Executes dropped EXE
PID:1748

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Winlogon Helper DLL

1

T1004

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\SdTr.exe
Filesize
116KB

MD5
7fdf1177ae26859ce367d4cd76a712d1

SHA1
3410dbe2e502ccd791b05bb919bc2814d1275bca

SHA256
25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

SHA512
a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

Download Submit
C:\Users\Admin\AppData\Roaming\SdTr.exe
Filesize
116KB

MD5
7fdf1177ae26859ce367d4cd76a712d1

SHA1
3410dbe2e502ccd791b05bb919bc2814d1275bca

SHA256
25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

SHA512
a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

Download Submit
C:\Users\Admin\AppData\Roaming\SdTr.exe
Filesize
116KB

MD5
7fdf1177ae26859ce367d4cd76a712d1

SHA1
3410dbe2e502ccd791b05bb919bc2814d1275bca

SHA256
25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

SHA512
a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

Download Submit
\Users\Admin\AppData\Roaming\SdTr.exe
Filesize
116KB

MD5
7fdf1177ae26859ce367d4cd76a712d1

SHA1
3410dbe2e502ccd791b05bb919bc2814d1275bca

SHA256
25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

SHA512
a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

Download Submit
\Users\Admin\AppData\Roaming\SdTr.exe
Filesize
116KB

MD5
7fdf1177ae26859ce367d4cd76a712d1

SHA1
3410dbe2e502ccd791b05bb919bc2814d1275bca

SHA256
25235495fd6c467c26f70e23514035d884fa169cb7a0a4d60548364f7718aa8a

SHA512
a4ea6c2dcc05e72ec62b4c8c98b9560e1608e447cb36cb7e6a15cf7a36044bae3cbaea6f7daac56ee8f757e1e08c98ccc8f5fb9fb7d6431f38d2c3c7c361a88c

Download Submit
memory/1368-59-0x0000000000000000-mapping.dmp

Download
memory/1748-67-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-65-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-68-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-69-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-70-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-71-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-72-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-73-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-76-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-64-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1748-74-0x00000000009C9000-mapping.dmp

Download
memory/1748-77-0x0000000000400000-0x00000000009CA000-memory.dmp

Filesize
5.8MB

Download
memory/1852-56-0x0000000075521000-0x0000000075523000-memory.dmp

Filesize
8KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads