saintbot | 9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69

General

Target

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
Size

293KB
MD5

572fdac6723a4031febc449795f51df5
SHA1

fdf8662e68a5dfc900cec85fa509ac392471e856
SHA256

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69
SHA512

c62563eda61cafd5705f6f2fadbf0fc0a79837d1811305403ea774eddda6617bf0853c0f9b2d96dcd8ae5ae3d27a913b17939bd3b09784a07e236e7ef8a61888
SSDEEP

6144:SQ9vt04i5QLALxkRXAPmgNbCkq+lsbrfyLC:SaO4i5lFwAPmgN2nRram

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

Processes:

resource	yara_rule
behavioral1/memory/1072-2-0x0000000000020000-0x0000000000029000-memory.dmp	family_saintbot
behavioral1/memory/1072-3-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral1/memory/1072-23-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral1/memory/1992-27-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral1/memory/1992-31-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral1/memory/2604-33-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot
behavioral1/memory/2604-35-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot
behavioral1/memory/2604-36-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1472 cmd.exe

pid	process
1472	cmd.exe

Drops startup file 2 IoCs

Processes:

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe26553.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26553.exe	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26553.exe	26553.exe

Executes dropped EXE 1 IoCs

Processes:

26553.exe

pid process

1992 26553.exe

pid	process
1992	26553.exe

Loads dropped DLL 4 IoCs

Processes:

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe26553.exeEhStorAuthn.exe

pid	process
1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
1992	26553.exe
2604	EhStorAuthn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

EhStorAuthn.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-3627615824-4061627003-3019543961-1000\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

Processes:

EhStorAuthn.exe9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe26553.exe

description	ioc	process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	EhStorAuthn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	26553.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	26553.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	EhStorAuthn.exe

Drops file in System32 directory 1 IoCs

Processes:

EhStorAuthn.exe

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

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

Processes:

EhStorAuthn.exe

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

Processes:

schtasks.exe

pid process

2736 schtasks.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2588 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

26553.exe

pid process

1992 26553.exe

pid	process
2736	schtasks.exe

pid	process
2588	PING.EXE

pid	process
1992	26553.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.execmd.exe26553.exeEhStorAuthn.exe

description	pid	process	target process
PID 1072 wrote to memory of 1992	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	26553.exe
PID 1072 wrote to memory of 1992	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	26553.exe
PID 1072 wrote to memory of 1992	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	26553.exe
PID 1072 wrote to memory of 1992	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	26553.exe
PID 1072 wrote to memory of 1472	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 1072 wrote to memory of 1472	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 1072 wrote to memory of 1472	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 1072 wrote to memory of 1472	1072	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 1472 wrote to memory of 2588	1472	cmd.exe	PING.EXE
PID 1472 wrote to memory of 2588	1472	cmd.exe	PING.EXE
PID 1472 wrote to memory of 2588	1472	cmd.exe	PING.EXE
PID 1472 wrote to memory of 2588	1472	cmd.exe	PING.EXE
PID 1472 wrote to memory of 2740	1472	cmd.exe	cmd.exe
PID 1472 wrote to memory of 2740	1472	cmd.exe	cmd.exe
PID 1472 wrote to memory of 2740	1472	cmd.exe	cmd.exe
PID 1472 wrote to memory of 2740	1472	cmd.exe	cmd.exe
PID 1992 wrote to memory of 2604	1992	26553.exe	EhStorAuthn.exe
PID 1992 wrote to memory of 2604	1992	26553.exe	EhStorAuthn.exe
PID 1992 wrote to memory of 2604	1992	26553.exe	EhStorAuthn.exe
PID 1992 wrote to memory of 2604	1992	26553.exe	EhStorAuthn.exe
PID 1992 wrote to memory of 2604	1992	26553.exe	EhStorAuthn.exe
PID 2604 wrote to memory of 2736	2604	EhStorAuthn.exe	schtasks.exe
PID 2604 wrote to memory of 2736	2604	EhStorAuthn.exe	schtasks.exe
PID 2604 wrote to memory of 2736	2604	EhStorAuthn.exe	schtasks.exe
PID 2604 wrote to memory of 2736	2604	EhStorAuthn.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
"C:\Users\Admin\AppData\Local\Temp\9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:1072
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26553.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26553.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:1992
- - 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:2604
  - - 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:2736
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1472
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:2588
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:2740

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

3

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
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

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

Filesize
170B

MD5
fb48e940116e69dd07134e67397628a4

SHA1
bf3f0520a8e605e4cfb433c553d4a02a3f782458

SHA256
b68d4309791178d90aa1be2aa1919699f372d6fe959f7d012509b35f096a3455

SHA512
29358cec8c7ad7b4f8dc7e4ca56c2a58f566e7508561f6f07c290ced0c09fa3d0702d1223045719986a1ef724231da8b9ce656dcb38ebe5362b6d26437256120

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\26553.exe

Filesize
293KB

MD5
572fdac6723a4031febc449795f51df5

SHA1
fdf8662e68a5dfc900cec85fa509ac392471e856

SHA256
9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69

SHA512
c62563eda61cafd5705f6f2fadbf0fc0a79837d1811305403ea774eddda6617bf0853c0f9b2d96dcd8ae5ae3d27a913b17939bd3b09784a07e236e7ef8a61888

Download Submit
memory/1072-1-0x0000000001910000-0x0000000001A10000-memory.dmp

Filesize
1024KB

Download
memory/1072-3-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/1072-23-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/1072-2-0x0000000000020000-0x0000000000029000-memory.dmp

Filesize
36KB

Download
memory/1992-26-0x0000000001BD0000-0x0000000001CD0000-memory.dmp

Filesize
1024KB

Download
memory/1992-27-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/1992-31-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/2604-33-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2604-35-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2604-36-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads