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

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
behavioral2/memory/4688-2-0x0000000001860000-0x0000000001869000-memory.dmp	family_saintbot
behavioral2/memory/4688-3-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral2/memory/3872-23-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral2/memory/4688-24-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral2/memory/3872-27-0x0000000000400000-0x0000000001783000-memory.dmp	family_saintbot
behavioral2/memory/372-28-0x0000000000FA0000-0x0000000000FAB000-memory.dmp	family_saintbot
behavioral2/memory/372-31-0x0000000000FA0000-0x0000000000FAB000-memory.dmp	family_saintbot
behavioral2/memory/372-32-0x0000000000FA0000-0x0000000000FAB000-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

Processes:

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe

Drops startup file 2 IoCs

Processes:

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe23902.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23902.exe	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23902.exe	23902.exe

Executes dropped EXE 1 IoCs

Processes:

23902.exe

pid process

3872 23902.exe
Loads dropped DLL 2 IoCs

Processes:

23902.exeEhStorAuthn.exe

pid process

3872 23902.exe
372 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

pid	process
3872	23902.exe

pid	process
3872	23902.exe
372	EhStorAuthn.exe

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.exe23902.exe

description	ioc	process
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	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	23902.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	23902.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

Program crash 2 IoCs

Processes:

WerFault.exeWerFault.exe

pid	pid_target	process	target process
2892	4688	WerFault.exe	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
3424	3872	WerFault.exe	23902.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

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

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

4444 PING.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

23902.exe

pid process

3872 23902.exe
3872 23902.exe

pid	process
972	schtasks.exe

pid	process
4444	PING.EXE

pid	process
3872	23902.exe
3872	23902.exe

Suspicious use of WriteProcessMemory 19 IoCs

Processes:

9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.execmd.exe23902.exeEhStorAuthn.exe

description	pid	process	target process
PID 4688 wrote to memory of 3872	4688	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	23902.exe
PID 4688 wrote to memory of 3872	4688	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	23902.exe
PID 4688 wrote to memory of 3872	4688	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	23902.exe
PID 4688 wrote to memory of 2908	4688	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 4688 wrote to memory of 2908	4688	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 4688 wrote to memory of 2908	4688	9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe	cmd.exe
PID 2908 wrote to memory of 4444	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 4444	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 4444	2908	cmd.exe	PING.EXE
PID 2908 wrote to memory of 4136	2908	cmd.exe	cmd.exe
PID 2908 wrote to memory of 4136	2908	cmd.exe	cmd.exe
PID 2908 wrote to memory of 4136	2908	cmd.exe	cmd.exe
PID 3872 wrote to memory of 372	3872	23902.exe	EhStorAuthn.exe
PID 3872 wrote to memory of 372	3872	23902.exe	EhStorAuthn.exe
PID 3872 wrote to memory of 372	3872	23902.exe	EhStorAuthn.exe
PID 3872 wrote to memory of 372	3872	23902.exe	EhStorAuthn.exe
PID 372 wrote to memory of 972	372	EhStorAuthn.exe	schtasks.exe
PID 372 wrote to memory of 972	372	EhStorAuthn.exe	schtasks.exe
PID 372 wrote to memory of 972	372	EhStorAuthn.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe
"C:\Users\Admin\AppData\Local\Temp\9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:4688
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23902.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\23902.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:3872
- - C:\Windows\SysWOW64\EhStorAuthn.exe
    "C:\Windows\System32\EhStorAuthn.exe"
    3⤵
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:372
  - - 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:972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3872 -s 616
    3⤵
    - Program crash
    PID:3424
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:2908
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:4444
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:4136
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4688 -s 792
  2⤵
  - Program crash
  PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4688 -ip 4688
1⤵
PID:4748

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 3872 -ip 3872
1⤵
PID:4520

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

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\23902.exe

Filesize
293KB

MD5
572fdac6723a4031febc449795f51df5

SHA1
fdf8662e68a5dfc900cec85fa509ac392471e856

SHA256
9cf4b83688dd5035623182d6a895c61e1e71ea02dc3e474111810f6641df1d69

SHA512
c62563eda61cafd5705f6f2fadbf0fc0a79837d1811305403ea774eddda6617bf0853c0f9b2d96dcd8ae5ae3d27a913b17939bd3b09784a07e236e7ef8a61888

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

Filesize
170B

MD5
fb48e940116e69dd07134e67397628a4

SHA1
bf3f0520a8e605e4cfb433c553d4a02a3f782458

SHA256
b68d4309791178d90aa1be2aa1919699f372d6fe959f7d012509b35f096a3455

SHA512
29358cec8c7ad7b4f8dc7e4ca56c2a58f566e7508561f6f07c290ced0c09fa3d0702d1223045719986a1ef724231da8b9ce656dcb38ebe5362b6d26437256120

Download Submit
memory/372-32-0x0000000000FA0000-0x0000000000FAB000-memory.dmp

Filesize
44KB

Download
memory/372-31-0x0000000000FA0000-0x0000000000FAB000-memory.dmp

Filesize
44KB

Download
memory/372-28-0x0000000000FA0000-0x0000000000FAB000-memory.dmp

Filesize
44KB

Download
memory/3872-23-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/3872-27-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/3872-22-0x0000000001A90000-0x0000000001B90000-memory.dmp

Filesize
1024KB

Download
memory/4688-24-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/4688-1-0x00000000019F0000-0x0000000001AF0000-memory.dmp

Filesize
1024KB

Download
memory/4688-3-0x0000000000400000-0x0000000001783000-memory.dmp

Filesize
19.5MB

Download
memory/4688-2-0x0000000001860000-0x0000000001869000-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads