dracula_stealer | 7f79ddfa12a8079246d75fe301862291ec49cc465c3d274102508404239f26f9

General

Target
123.exe
Size 500KB
Sample260623-tyb9bses6n
SHA256 7f79ddfa12a8079246d75fe301862291ec49cc465c3d274102508404239f26f9
MD5 5759b121f95a56a976f0439c6a18ee0b
SHA1 770d5fb0c997138377ca5a241c27c76f6b54a1ad
SHA512 9273295ae48c7f181c81b46679ac77400ecbde18859a8ca4e09982c08adbebfa51af948ab61fd67f7b8d07a7697577697479a06485002ce47533b6a07f66fa63
SSDEEP 6144:kztpP5+1ppewQaRBsEfbcBYSyujZY1YZ9PY33kvjnHcOFepZS/99nUAhtb6Txz2c:kbP5EfewQSB3fbGYS+32SSl9t4NK8cxA
TLSH
T1F8B43A24BF988A08E990253E429F5900C7DA91F22532A307770AFF655D49DDEDE2C3DB
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

collection discovery execution dracula_stealer persistence privilege_escalation spyware stealer

Malware Config

Signatures

Family: Dracula, Samurai
Dracula aka Samurai is a stealer written in C#.
stealer dracula_stealer

Detects Dracula aka Samurai Stealer payload 1 IoCs

resource	yara_rule
behavioral2/memory/1224-113-0x0000024A80030000-0x0000024A8005C000-memory.dmp	family_dracula_stealer

Modifies WinLogon for persistence 2 TTPs 1 IoCs

persistence

Winlogon Helper DLL

T1547.004

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon\Userinit = "C:\\Windows\\System32\\userinit.exe,C:\\Program Files\\xdwdSearch.exe"	123.exe

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Executes dropped EXE 2 IoCs

pid	Process
1224	xdwdSearch.exe
2304	xdwdSearcher.exe

Loads dropped DLL 7 IoCs

pid	Process
1224	xdwdSearch.exe
2116	Process not Found
1920	Process not Found
2304	xdwdSearcher.exe
112	Process not Found
6072	findstr.exe
4656	netsh.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xdwdSearch.exe
Key opened	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xdwdSearch.exe
Key opened	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xdwdSearch.exe

Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
discovery

Query Registry
T1012

Looks up external IP address via web service 5 IoCs

Uses a legitimate IP lookup service to find the infected system's external IP.

flow	ioc
4	api.ipify.org
1	api.ipify.org
1	icanhazip.com
2	api.ipify.org
3	api.ipify.org

Drops file in Program Files directory 4 IoCs

description	ioc	Process
File created	C:\Program Files\xdwdSearch.exe	123.exe
File opened for modification	C:\Program Files\xdwdSearch.exe	123.exe
File opened for modification	C:\Program Files\xdwdSearch.exe	xdwdSearch.exe
File opened for modification	C:\Program Files\xdwdSearch.exe	xdwdSearcher.exe

Drops file in Windows directory 6 IoCs

description	ioc	Process
File opened for modification	C:\Windows\xdwdSearcher.exe	123.exe
File created	C:\Windows\xdwd.dll	123.exe
File opened for modification	C:\Windows\xdwd.dll	123.exe
File opened for modification	C:\Windows\xdwdSearcher.exe	xdwdSearch.exe
File opened for modification	C:\Windows\xdwdSearcher.exe	xdwdSearcher.exe
File created	C:\Windows\xdwdSearcher.exe	123.exe

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

System Information Discovery
T1082

Event Triggered Execution: Netsh Helper DLL 1 TTPs 3 IoCs

Netsh.exe (also referred to as Netshell) is a command-line scripting utility used to interact with the network configuration of a system.

persistence privilege_escalation

Netsh Helper DLL

T1546.007

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe
Key value enumerated	\REGISTRY\MACHINE\SOFTWARE\Microsoft\NetSh	netsh.exe

System Network Configuration Discovery: Wi-Fi Discovery 1 TTPs 2 IoCs

Adversaries may search for information about Wi-Fi networks, such as network names and passwords, on compromised systems.

discovery

Wi-Fi Discovery

T1016.002

pid	Process
3024	cmd.exe
4656	netsh.exe

Checks processor information in registry 2 TTPs 2 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\HARDWARE\Description\System\CentralProcessor\0	xdwdSearch.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\Identifier	xdwdSearch.exe

Modifies registry class 1 IoCs

description	ioc	Process
Key created	\REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{1f3427c8-5c10-4210-aa03-2ee45287d668}\Instance\	123.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 2 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
2480	schtasks.exe
3976	schtasks.exe

Suspicious behavior: EnumeratesProcesses 27 IoCs

pid	Process
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
1224	xdwdSearch.exe
6072	findstr.exe
6072	findstr.exe
4656	netsh.exe
4656	netsh.exe

Suspicious use of AdjustPrivilegeToken 4 IoCs

description	pid	Process
Token: SeDebugPrivilege	1260	123.exe
Token: SeDebugPrivilege	1224	xdwdSearch.exe
Token: SeDebugPrivilege	2304	xdwdSearcher.exe
Token: SeIncBasePriorityPrivilege	1224	xdwdSearch.exe

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 1260 wrote to memory of 3476	1260	123.exe	83
PID 1260 wrote to memory of 808	1260	123.exe	84
PID 808 wrote to memory of 2480	808	cmd.exe	87
PID 1260 wrote to memory of 3112	1260	123.exe	88
PID 3112 wrote to memory of 3976	3112	cmd.exe	90
PID 1260 wrote to memory of 1224	1260	123.exe	91
PID 1224 wrote to memory of 3024	1224	xdwdSearch.exe	95
PID 3024 wrote to memory of 32	3024	cmd.exe	97
PID 3024 wrote to memory of 4656	3024	cmd.exe	98
PID 3024 wrote to memory of 6072	3024	cmd.exe	99

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

outlook_office_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xdwdSearch.exe

outlook_win_path 1 IoCs

description	ioc	Process
Key opened	\REGISTRY\USER\S-1-5-21-226940941-599731907-2645636698-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676	xdwdSearch.exe

C:\Users\Admin\AppData\Local\Temp\123.exe
"C:\Users\Admin\AppData\Local\Temp\123.exe"
1⤵
- Modifies WinLogon for persistence
- Drops file in Program Files directory
- Drops file in Windows directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1260
- C:\Windows\SYSTEM32\CMD.exe
  "CMD" netsh advfirewall firewall add rule name="n>Q6]AsV]QaR]2" dir=in action=allow program="C:\Program Files\xdwdSearch.exe" enable=yes & exit
  2⤵
  PID:3476
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\xdwdSearch.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:808
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Program Files\xdwdSearch.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:2480
- C:\Windows\SYSTEM32\cmd.exe
  "cmd" /c schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\xdwdSearcher.exe" /RL HIGHEST & exit
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:3112
- - C:\Windows\system32\schtasks.exe
    schtasks /create /f /sc minute /mo 30 /tn "CookieManager" /tr "C:\Windows\xdwdSearcher.exe" /RL HIGHEST
    3⤵
    - Scheduled Task/Job: Scheduled Task
    PID:3976
- C:\Program Files\xdwdSearch.exe
  "C:\Program Files\xdwdSearch.exe"
  2⤵
  - Executes dropped EXE
  - Loads dropped DLL
  - Accesses Microsoft Outlook profiles
  - Drops file in Program Files directory
  - Drops file in Windows directory
  - Checks processor information in registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  - outlook_office_path
  - outlook_win_path
  PID:1224
- - C:\Windows\SYSTEM32\cmd.exe
    "cmd" /C chcp 65001 && netsh wlan show profiles | findstr All
    3⤵
    - System Network Configuration Discovery: Wi-Fi Discovery
    - Suspicious use of WriteProcessMemory
    PID:3024
  - - C:\Windows\system32\chcp.com
      chcp 65001
      4⤵
      PID:32
  - - C:\Windows\system32\netsh.exe
      netsh wlan show profiles
      4⤵
      Loads dropped DLL
      Event Triggered Execution: Netsh Helper DLL
      System Network Configuration Discovery: Wi-Fi Discovery
      Suspicious behavior: EnumeratesProcesses
      PID:4656
  - - C:\Windows\system32\findstr.exe
      findstr All
      4⤵
      Loads dropped DLL
      Suspicious behavior: EnumeratesProcesses
      PID:6072

C:\Windows\xdwdSearcher.exe
C:\Windows\xdwdSearcher.exe
1⤵
- Executes dropped EXE
- Loads dropped DLL
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:2304

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

2

T1546

AppInit DLLs

1

T1546.010

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Winlogon Helper DLL

1

T1547.004

Event Triggered Execution

2

T1546

AppInit DLLs

1

T1546.010

Netsh Helper DLL

1

T1546.007

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

3

T1012

System Information Discovery

2

T1082

System Network Configuration Discovery

1

T1016

Wi-Fi Discovery

1

T1016.002

Lateral Movement

Collection

Data from Local System

Email Collection

Command and Control

Exfiltration

Impact

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Downloads

xdwdSearch.exe

Path C:\Program Files\xdwdSearch.exe
Size 500KB
SHA256 7f79ddfa12a8079246d75fe301862291ec49cc465c3d274102508404239f26f9
MD5 5759b121f95a56a976f0439c6a18ee0b
SHA1 770d5fb0c997138377ca5a241c27c76f6b54a1ad
SHA512 9273295ae48c7f181c81b46679ac77400ecbde18859a8ca4e09982c08adbebfa51af948ab61fd67f7b8d07a7697577697479a06485002ce47533b6a07f66fa63
SSDEEP 6144:kztpP5+1ppewQaRBsEfbcBYSyujZY1YZ9PY33kvjnHcOFepZS/99nUAhtb6Txz2c:kbP5EfewQSB3fbGYS+32SSl9t4NK8cxA
TLSH
T1F8B43A24BF988A08E990253E429F5900C7DA91F22532A307770AFF655D49DDEDE2C3DB
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp600.tmp.dat

Path C:\Users\Admin\AppData\Local\Temp\tmp600.tmp.dat
Size 224KB
SHA256 2d8571ac33b06ca1bda8b4e494359e692e472987222f5de95eec25a12c853d1f
MD5 516351263bca6c138322eedfe8562bc4
SHA1 77dfdcb950444fec98ca242c05d380a112489aff
SHA512 31c1c26ba3b3f27daa67d049ae0fda61f9707b682004b642783424521232bc9e9f602200ff70559fc33c33151988f43e4c67048f4cbfb973b6d058a2a8567f21
SSDEEP 192:Vno3fT8wRJQnGL11HLfzNSivuvTNN+u/egddCeyv/hVRdbsCEV:C3fQ0JQn6lLfzAivuvBN+wtP2s
TLSH
T10E24540A7B787001DDE3D9725CB080771E3CA16ECF22A6815DB654694DB7853A23D8EF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

tmp601.tmp.dat

Path C:\Users\Admin\AppData\Local\Temp\tmp601.tmp.dat
Size 138KB
SHA256 3d4d4a3edf9fb145039948f84a280ac6e8cf531df48a2a79d4542a738847e43c
MD5 0e3c2e94aede4ae88724790fb3c5e5fe
SHA1 1b4627fc0e797dd2cff505040bbbf355e9b4a74a
SHA512 ed5b4551005b8b1f320a643b72b5c7fc422bc52e3056e37cd23912fc76a529ff34ed70361912ff02be4f5342c0f0c03de48d5626d7dbe2b03961d2ebfd202f4a
SSDEEP 192:9B+XuvBnl3JsueMEGvIW1/rcP2O5pX6SqKVumAwkP:zeuvBnhJsueMEGvIW1DcP2OXhVumAnP
TLSH
T112D3874B3A743102EDE59A721CE050BB5E3CB16D4F51A5D528B620688EF2963B23D4BF
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

xdwd.dll

Path C:\Windows\xdwd.dll
Size 136KB
SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
MD5 16e5a492c9c6ae34c59683be9c51fa31
SHA1 97031b41f5c56f371c28ae0d62a2df7d585adaba
SHA512 20fd369172ef5e3e2fde388666b42e8fe5f0c2bfa338c0345f45e98af6561a249ba3ecc48c3f16efcc73f02ecb67b3ddb1e2e8f0e77d18fa00ac34e6379e50b6
SSDEEP 3072:t0iX+jLyDcqaH9a6DFHo6MjD7VbZaZaZ8Xwlk4MHWZpt:t07yDSvdoRj2up
TLSH
T151D35B0772A500BFE1668638C5630A09E777B8211770DBAF33A4429D9F277E19D3AF61
MD5 SHA1 SHA512 SSDEEP TLSH

Submit Download

memory/1224-113-0x0000024A80030000-0x0000024A8005C000-memory.dmp

Download

memory/1224-114-0x0000024AFFF00000-0x0000024AFFF50000-memory.dmp

Download

memory/1260-0-0x00000280B3C60000-0x00000280B3CE2000-memory.dmp

Download

memory/1260-1-0x00000280CE4A0000-0x00000280CE4B0000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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Downloads