saintbot | 5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
10-04-2024 11:24

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General

Target

5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
Size

501KB
MD5

a7913461e211158d5ac34ac3bd06bc7b
SHA1

71c3f7a9eac34b0b5ccd5ec2df01f9c95f14235b
SHA256

5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13
SHA512

8107feec4426f820d3910e35d6e3c1a1aa85a104231a0529f7fcd825f2dfec10fbf856bc2b37c585a34f5d03b514ece7f54b600add6fb668cda0c7d1a7374e04
SSDEEP

6144:9moTTLsn36PcB1jtNSHoLR0XbZEpGidU7H6MFkc6iTISTas6oe2wgaMzHXDvVGLn:EoFPoJ3Su0lEpGiexs6asFPw2zvVe

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
behavioral2/memory/3520-11-0x0000000000400000-0x000000000040C000-memory.dmp	family_saintbot
behavioral2/memory/3520-13-0x0000000000400000-0x000000000040C000-memory.dmp	family_saintbot
behavioral2/memory/3520-33-0x0000000000400000-0x000000000040C000-memory.dmp	family_saintbot
behavioral2/memory/3308-35-0x0000000005200000-0x0000000005210000-memory.dmp	family_saintbot
behavioral2/memory/3180-49-0x0000000000400000-0x000000000040C000-memory.dmp	family_saintbot
behavioral2/memory/4740-50-0x0000000000780000-0x000000000078C000-memory.dmp	family_saintbot
behavioral2/memory/4740-52-0x0000000000780000-0x000000000078C000-memory.dmp	family_saintbot
behavioral2/memory/4740-53-0x0000000000780000-0x000000000078C000-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:

5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-3270530367-132075249-2153716227-1000\Control Panel\International\Geo\Nation	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe

Drops startup file 2 IoCs

Processes:

11499.exe5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe

description	ioc	process
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe	11499.exe
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe

Executes dropped EXE 5 IoCs

Processes:

11499.exe11499.exe11499.exe11499.exe11499.exe

pid process

3308 11499.exe
4496 11499.exe
4804 11499.exe
4340 11499.exe
3180 11499.exe
Loads dropped DLL 2 IoCs

Processes:

11499.exeEhStorAuthn.exe

pid process

3180 11499.exe
4740 EhStorAuthn.exe

pid	process
3308	11499.exe
4496	11499.exe
4804	11499.exe
4340	11499.exe
3180	11499.exe

pid	process
3180	11499.exe
4740	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-1-5-21-3270530367-132075249-2153716227-1000\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:

5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe11499.exeEhStorAuthn.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	11499.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	11499.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

Drops file in System32 directory 1 IoCs

Processes:

EhStorAuthn.exe

description ioc process

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

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

Suspicious use of SetThreadContext 2 IoCs

Processes:

5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe11499.exe

description	pid	process	target process
PID 3772 set thread context of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3308 set thread context of 3180	3308	11499.exe	11499.exe

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

System Information Discovery
T1082

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

2568 PING.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

11499.exe

pid process

3308 11499.exe
3308 11499.exe
3308 11499.exe
3308 11499.exe
3308 11499.exe
3308 11499.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

11499.exeEhStorAuthn.exe

description pid process

Token: SeDebugPrivilege 3308 11499.exe
Token: SeDebugPrivilege 4740 EhStorAuthn.exe

pid	process
2568	PING.EXE

pid	process
3308	11499.exe
3308	11499.exe
3308	11499.exe
3308	11499.exe
3308	11499.exe
3308	11499.exe

description	pid	process
Token: SeDebugPrivilege	3308	11499.exe
Token: SeDebugPrivilege	4740	EhStorAuthn.exe

Suspicious use of WriteProcessMemory 45 IoCs

Processes:

5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.execmd.exe11499.exe11499.exe

description	pid	process	target process
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3772 wrote to memory of 3520	3772	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
PID 3520 wrote to memory of 3308	3520	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	11499.exe
PID 3520 wrote to memory of 3308	3520	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	11499.exe
PID 3520 wrote to memory of 3308	3520	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	11499.exe
PID 3520 wrote to memory of 1744	3520	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	cmd.exe
PID 3520 wrote to memory of 1744	3520	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	cmd.exe
PID 3520 wrote to memory of 1744	3520	5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe	cmd.exe
PID 1744 wrote to memory of 2568	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 2568	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 2568	1744	cmd.exe	PING.EXE
PID 1744 wrote to memory of 768	1744	cmd.exe	cmd.exe
PID 1744 wrote to memory of 768	1744	cmd.exe	cmd.exe
PID 1744 wrote to memory of 768	1744	cmd.exe	cmd.exe
PID 3308 wrote to memory of 4496	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4496	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4496	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4804	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4804	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4804	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4340	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4340	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 4340	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3308 wrote to memory of 3180	3308	11499.exe	11499.exe
PID 3180 wrote to memory of 4740	3180	11499.exe	EhStorAuthn.exe
PID 3180 wrote to memory of 4740	3180	11499.exe	EhStorAuthn.exe
PID 3180 wrote to memory of 4740	3180	11499.exe	EhStorAuthn.exe
PID 3180 wrote to memory of 4740	3180	11499.exe	EhStorAuthn.exe

C:\Users\Admin\AppData\Local\Temp\5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
"C:\Users\Admin\AppData\Local\Temp\5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3772

C:\Users\Admin\AppData\Local\Temp\5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13.exe
"{path}"
2⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:3520

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe
"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe"
3⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3308

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe
"{path}"
4⤵
- Executes dropped EXE
PID:4496

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe
"{path}"
4⤵
- Executes dropped EXE
PID:4804

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe
"{path}"
4⤵
- Executes dropped EXE
PID:4340

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\11499.exe
"{path}"
4⤵
- Drops startup file
- Executes dropped EXE
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:3180

C:\Windows\SysWOW64\EhStorAuthn.exe
"C:\Windows\System32\EhStorAuthn.exe"
5⤵
- 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 AdjustPrivilegeToken
PID:4740

C:\Windows\SysWOW64\cmd.exe
C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
3⤵
- Suspicious use of WriteProcessMemory
PID:1744

C:\Windows\SysWOW64\PING.EXE
ping localhost -n 3
4⤵
- Runs ping.exe
PID:2568

C:\Windows\SysWOW64\cmd.exe
cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
4⤵
PID:768

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Peripheral Device Discovery

T1120

Remote System Discovery

T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

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\11499.exe
Filesize
501KB

MD5
a7913461e211158d5ac34ac3bd06bc7b

SHA1
71c3f7a9eac34b0b5ccd5ec2df01f9c95f14235b

SHA256
5fc108db5114be4174cb9365f86a17e25164a05cc1e90ef9ee29ab30abed3a13

SHA512
8107feec4426f820d3910e35d6e3c1a1aa85a104231a0529f7fcd825f2dfec10fbf856bc2b37c585a34f5d03b514ece7f54b600add6fb668cda0c7d1a7374e04

Download Submit
C:\Users\Admin\AppData\Roaming\del.bat
Filesize
170B

MD5
6628993c2dba6dd9ca73b7b74133932c

SHA1
a07fdeeab34d4d7cd9f4c090732c7379094c86a7

SHA256
d4aba441d68a6ee6a6def87ddfe87854b23979eae3bd45328fb920e3b75ec3ca

SHA512
eb5ef06dc5bf08befdcbbbf2034eaf41e02ba44f2ed692acec76b9e8caab7466c2438156846030c58bbbf0427bc052529fb2522fdd2e0a9e19f4e31503cc9d94

Download Submit
memory/3180-49-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3308-46-0x00000000732A0000-0x0000000073A50000-memory.dmp

Filesize
7.7MB

Download
memory/3308-37-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download
memory/3308-36-0x00000000732A0000-0x0000000073A50000-memory.dmp

Filesize
7.7MB

Download
memory/3308-35-0x0000000005200000-0x0000000005210000-memory.dmp

Filesize
64KB

Download
memory/3308-32-0x00000000732A0000-0x0000000073A50000-memory.dmp

Filesize
7.7MB

Download
memory/3520-13-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3520-33-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3520-11-0x0000000000400000-0x000000000040C000-memory.dmp

Filesize
48KB

Download
memory/3772-6-0x0000000006A30000-0x0000000006ACC000-memory.dmp

Filesize
624KB

Download
memory/3772-5-0x0000000005420000-0x000000000542A000-memory.dmp

Filesize
40KB

Download
memory/3772-9-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/3772-0-0x0000000000900000-0x0000000000984000-memory.dmp

Filesize
528KB

Download
memory/3772-8-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/3772-7-0x0000000005620000-0x0000000005628000-memory.dmp

Filesize
32KB

Download
memory/3772-10-0x00000000068A0000-0x0000000006908000-memory.dmp

Filesize
416KB

Download
memory/3772-15-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/3772-4-0x0000000005650000-0x0000000005660000-memory.dmp

Filesize
64KB

Download
memory/3772-3-0x0000000005360000-0x00000000053F2000-memory.dmp

Filesize
584KB

Download
memory/3772-2-0x0000000005A50000-0x0000000005FF4000-memory.dmp

Filesize
5.6MB

Download
memory/3772-1-0x0000000074590000-0x0000000074D40000-memory.dmp

Filesize
7.7MB

Download
memory/4740-50-0x0000000000780000-0x000000000078C000-memory.dmp

Filesize
48KB

Download
memory/4740-52-0x0000000000780000-0x000000000078C000-memory.dmp

Filesize
48KB

Download
memory/4740-53-0x0000000000780000-0x000000000078C000-memory.dmp

Filesize
48KB

Download