saintbot | e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2

General

Target

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
Size

224KB
MD5

e65e7ca60642f80fe2a95823247f8726
SHA1

fc0700076fd443edb24777e4ee7eed802411fd70
SHA256

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2
SHA512

ddbeb67894fa3b847dbaf34d3e2fce5d383baabd6cfef9c1a2ec15ebe59ae922f9cbd711f83acddd05455919bc462863cc0e52bd1982195260487e45ef198f1a
SSDEEP

3072:rDXO3PV+Al8gnrlowLLjY/LWxJi9G4d4As3duOs5n53qN6Z5YR2Ot:oV+AltnrawLLWWQG4d4NF3N6EHt

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/1548-2-0x0000000000220000-0x0000000000229000-memory.dmp	family_saintbot
behavioral1/memory/1548-3-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral1/memory/1548-23-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral1/memory/2548-27-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral1/memory/2548-31-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral1/memory/2472-33-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot
behavioral1/memory/2472-35-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot
behavioral1/memory/2472-36-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot

Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

2524 cmd.exe

pid	process
2524	cmd.exe

Drops startup file 2 IoCs

Processes:

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe54623.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54623.exe	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54623.exe	54623.exe

Executes dropped EXE 1 IoCs

Processes:

54623.exe

pid process

2548 54623.exe

pid	process
2548	54623.exe

Loads dropped DLL 4 IoCs

Processes:

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe54623.exeEhStorAuthn.exe

pid	process
1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
2548	54623.exe
2472	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-1-5-21-330940541-141609230-1670313778-1000\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.exee0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe54623.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	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	54623.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	54623.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EhStorAuthn.exe
Key opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	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

1352 schtasks.exe
Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2768 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

54623.exe

pid process

2548 54623.exe

pid	process
1352	schtasks.exe

pid	process
2768	PING.EXE

pid	process
2548	54623.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.execmd.exe54623.exeEhStorAuthn.exe

description	pid	process	target process
PID 1548 wrote to memory of 2548	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	54623.exe
PID 1548 wrote to memory of 2548	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	54623.exe
PID 1548 wrote to memory of 2548	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	54623.exe
PID 1548 wrote to memory of 2548	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	54623.exe
PID 1548 wrote to memory of 2524	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	cmd.exe
PID 1548 wrote to memory of 2524	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	cmd.exe
PID 1548 wrote to memory of 2524	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	cmd.exe
PID 1548 wrote to memory of 2524	1548	e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe	cmd.exe
PID 2524 wrote to memory of 2768	2524	cmd.exe	PING.EXE
PID 2524 wrote to memory of 2768	2524	cmd.exe	PING.EXE
PID 2524 wrote to memory of 2768	2524	cmd.exe	PING.EXE
PID 2524 wrote to memory of 2768	2524	cmd.exe	PING.EXE
PID 2524 wrote to memory of 2592	2524	cmd.exe	cmd.exe
PID 2524 wrote to memory of 2592	2524	cmd.exe	cmd.exe
PID 2524 wrote to memory of 2592	2524	cmd.exe	cmd.exe
PID 2524 wrote to memory of 2592	2524	cmd.exe	cmd.exe
PID 2548 wrote to memory of 2472	2548	54623.exe	EhStorAuthn.exe
PID 2548 wrote to memory of 2472	2548	54623.exe	EhStorAuthn.exe
PID 2548 wrote to memory of 2472	2548	54623.exe	EhStorAuthn.exe
PID 2548 wrote to memory of 2472	2548	54623.exe	EhStorAuthn.exe
PID 2548 wrote to memory of 2472	2548	54623.exe	EhStorAuthn.exe
PID 2472 wrote to memory of 1352	2472	EhStorAuthn.exe	schtasks.exe
PID 2472 wrote to memory of 1352	2472	EhStorAuthn.exe	schtasks.exe
PID 2472 wrote to memory of 1352	2472	EhStorAuthn.exe	schtasks.exe
PID 2472 wrote to memory of 1352	2472	EhStorAuthn.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe
"C:\Users\Admin\AppData\Local\Temp\e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:1548
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54623.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54623.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:2548
- - 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:2472
  - - 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:1352
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2524
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:2768
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:2592

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

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Downloads

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

Filesize
170B

MD5
3910b0eb607801b025ac40fcfe4532be

SHA1
de6eafeb09c09c3ebe268379c1c2e3d0aa22ba96

SHA256
ba281851ed10d0e5b5675bd82480cf2ac6b764178ecca7a6da5c910afc27df07

SHA512
9a00854a8544570f2dac1573f02b88cc2b24962fc33f718f0b17b5c5fcee1e5d834cc9d7777bf3dc71abff0dabe8abe753053446d49d0cac9a63f492f545cdd5

Download Submit
\Users\Admin\AppData\Local\z_Admin\wallpaper.mp4

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\54623.exe

Filesize
224KB

MD5
e65e7ca60642f80fe2a95823247f8726

SHA1
fc0700076fd443edb24777e4ee7eed802411fd70

SHA256
e0c46e23bd1b5b96123e0c64914484bbfae7a7ad13cbd45184035d4c0f8a10a2

SHA512
ddbeb67894fa3b847dbaf34d3e2fce5d383baabd6cfef9c1a2ec15ebe59ae922f9cbd711f83acddd05455919bc462863cc0e52bd1982195260487e45ef198f1a

Download Submit
memory/1548-1-0x0000000002D20000-0x0000000002E20000-memory.dmp

Filesize
1024KB

Download
memory/1548-3-0x0000000000400000-0x0000000002BA9000-memory.dmp

Filesize
39.7MB

Download
memory/1548-23-0x0000000000400000-0x0000000002BA9000-memory.dmp

Filesize
39.7MB

Download
memory/1548-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2472-33-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2472-36-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2472-35-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2548-26-0x0000000000290000-0x0000000000390000-memory.dmp

Filesize
1024KB

Download
memory/2548-31-0x0000000000400000-0x0000000002BA9000-memory.dmp

Filesize
39.7MB

Download
memory/2548-27-0x0000000000400000-0x0000000002BA9000-memory.dmp

Filesize
39.7MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads