saintbot | db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34

General

Target

db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe
Size

234KB
MD5

abc87856247dea1e4d01e2c3b352ab77
SHA1

fa48ec02991837bd7ce2248a130da934ec6555ad
SHA256

db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34
SHA512

1219caf42a89b119e30580f80373b3795181938f5e6196a0f0249de6212dd9f24c1dee9300d19a04078d73743b4036d368a8a3066fac8ae068f973e545e106b6
SSDEEP

3072:JIWl+LIyTYPc4cW/QgB3JibTVLHvFKFb83yFe0L2ItrOmY5S:JI/LIGYp/xB49vFK6Se0LRhX

Score

10^/10

saintbot discovery dropper persistence

Malware Config

Signatures

SaintBot
Saint Bot is a malware dropper being used to deliver secondary payloads such as information stealers.
dropper saintbot

SaintBot payload 8 IoCs

resource	yara_rule
behavioral2/memory/4180-2-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral2/memory/4180-3-0x0000000002760000-0x0000000002769000-memory.dmp	family_saintbot
behavioral2/memory/5112-23-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral2/memory/4180-24-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral2/memory/5112-27-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral2/memory/2988-28-0x0000000000280000-0x000000000028B000-memory.dmp	family_saintbot
behavioral2/memory/2988-31-0x0000000000280000-0x000000000028B000-memory.dmp	family_saintbot
behavioral2/memory/2988-32-0x0000000000280000-0x000000000028B000-memory.dmp	family_saintbot

Checks computer location settings 2 TTPs 1 IoCs

Looks up country code configured in the registry, likely geofence.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\Control Panel\International\Geo\Nation	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe

Drops startup file 2 IoCs

description	ioc	Process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47008.exe	47008.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47008.exe	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe

Executes dropped EXE 1 IoCs

pid	Process
5112	47008.exe

Loads dropped DLL 2 IoCs

pid	Process
5112	47008.exe
2988	EhStorAuthn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-983155329-280873152-1838004294-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ = "C:\\Users\\Admin\\AppData\\Local\\z_Admin\\Admin.vbs"	EhStorAuthn.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

Maps connected drives based on registry 3 TTPs 6 IoCs

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

Query Registry

T1012

Peripheral Device Discovery

T1120

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	47008.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	47008.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	EhStorAuthn.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	EhStorAuthn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\EhStorAuthn.exe	EhStorAuthn.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
4584	4180	WerFault.exe	85
3508	5112	WerFault.exe	93

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	EhStorAuthn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EhStorAuthn.exe

Creates scheduled task(s) 1 TTPs 1 IoCs

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

persistence

Scheduled Task/Job

T1053

pid	Process
5104	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1680	PING.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5112	47008.exe
5112	47008.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 4180 wrote to memory of 5112	4180	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe	93
PID 4180 wrote to memory of 5112	4180	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe	93
PID 4180 wrote to memory of 5112	4180	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe	93
PID 4180 wrote to memory of 1892	4180	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe	94
PID 4180 wrote to memory of 1892	4180	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe	94
PID 4180 wrote to memory of 1892	4180	db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe	94
PID 1892 wrote to memory of 1680	1892	cmd.exe	98
PID 1892 wrote to memory of 1680	1892	cmd.exe	98
PID 1892 wrote to memory of 1680	1892	cmd.exe	98
PID 1892 wrote to memory of 2816	1892	cmd.exe	101
PID 1892 wrote to memory of 2816	1892	cmd.exe	101
PID 1892 wrote to memory of 2816	1892	cmd.exe	101
PID 5112 wrote to memory of 2988	5112	47008.exe	104
PID 5112 wrote to memory of 2988	5112	47008.exe	104
PID 5112 wrote to memory of 2988	5112	47008.exe	104
PID 5112 wrote to memory of 2988	5112	47008.exe	104
PID 2988 wrote to memory of 5104	2988	EhStorAuthn.exe	107
PID 2988 wrote to memory of 5104	2988	EhStorAuthn.exe	107
PID 2988 wrote to memory of 5104	2988	EhStorAuthn.exe	107

C:\Users\Admin\AppData\Local\Temp\db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe
"C:\Users\Admin\AppData\Local\Temp\db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:4180
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47008.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47008.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:5112
- - C:\Windows\SysWOW64\EhStorAuthn.exe
    "C:\Windows\System32\EhStorAuthn.exe"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:2988
  - - C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /create /sc minute /mo 5 /tn "Maintenance" /tr "C:\Users\%USERNAME%\AppData\Local\z_%USERNAME%\%USERNAME%.vbs" /F
      4⤵
      Creates scheduled task(s)
      PID:5104
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5112 -s 616
    3⤵
    - Program crash
    PID:3508
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:1892
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:1680
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:2816
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4180 -s 912
  2⤵
  - Program crash
  PID:4584

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4180 -ip 4180
1⤵
PID:2064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5112 -ip 5112
1⤵
PID:1548

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

Scheduled Task/Job

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Peripheral Device Discovery

Query Registry

Remote System Discovery

1

T1018

System Information Discovery

4

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\z_Admin\wallpaper.mp4

Filesize
1.6MB

MD5
4f3387277ccbd6d1f21ac5c07fe4ca68

SHA1
e16506f662dc92023bf82def1d621497c8ab5890

SHA256
767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac

SHA512
9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\47008.exe

Filesize
234KB

MD5
abc87856247dea1e4d01e2c3b352ab77

SHA1
fa48ec02991837bd7ce2248a130da934ec6555ad

SHA256
db8975fd6c04a7d3790eb73ab8e95b6dbf6c9d65ad5c6a6d3c862d0284f87c34

SHA512
1219caf42a89b119e30580f80373b3795181938f5e6196a0f0249de6212dd9f24c1dee9300d19a04078d73743b4036d368a8a3066fac8ae068f973e545e106b6

Download Submit
C:\Users\Admin\AppData\Roaming\del.bat

Filesize
170B

MD5
ff3d24040fd8c570a201858ec3cc0cfd

SHA1
5a138ce6bee17581234ed625c8dd97c11cd4d331

SHA256
5851cc2a43b5563742a9f7321a8fa5db43f3e241b0a9feb268de83eeed6fc594

SHA512
e25e9c6ffb51093cc24c3f3837a212cfa19bf938b459ce59eb965c98e3d7c0972d080f532a4b95076b73e9c152d665d41df8aefbb784eb3e4e93f81d01f07e70

Download Submit
memory/2988-28-0x0000000000280000-0x000000000028B000-memory.dmp

Filesize
44KB

Download
memory/2988-32-0x0000000000280000-0x000000000028B000-memory.dmp

Filesize
44KB

Download
memory/2988-31-0x0000000000280000-0x000000000028B000-memory.dmp

Filesize
44KB

Download
memory/4180-2-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/4180-3-0x0000000002760000-0x0000000002769000-memory.dmp

Filesize
36KB

Download
memory/4180-1-0x0000000000C80000-0x0000000000D80000-memory.dmp

Filesize
1024KB

Download
memory/4180-24-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/5112-23-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/5112-27-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/5112-22-0x0000000000BC0000-0x0000000000CC0000-memory.dmp

Filesize
1024KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads