saintbot | 82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e

Analysis

max time kernel
141s
max time network
159s
platform
windows10-2004_x64
resource
win10v2004-en-20220112
submitted
28-02-2022 03:12

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General

Target

82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe
Size

481KB
MD5

593ac1acb0452748340d6a5ccdb18f12
SHA1

2d2af604a8e4f0df9b36c047c8f9e9b0759327e9
SHA256

82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e
SHA512

627af0a78c4d5463b5899f1c75bdbbc5c8a08a29567a105f83e717b9b6e425946548fda6ae64381a5353904ee3351302fe93526ddceb89fbb020ddba670ca747

Score

10^/10

saintbot 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 1 IoCs

resource	yara_rule
behavioral2/memory/3376-149-0x0000000000400000-0x000000000040B000-memory.dmp	family_saintbot

Executes dropped EXE 1 IoCs

pid	Process
4036	6429.exe

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-1-5-21-790714498-1549421491-1643397139-1000\Control Panel\International\Geo\Nation	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6429.exe	MSBuild.exe

Maps connected drives based on registry 3 TTPs 2 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 opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	MSBuild.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\start /b "" cmd /c del "%~f0"&exit /b	MSBuild.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 3572 set thread context of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80

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

System Information Discovery
T1082

Delays execution with timeout.exe 1 IoCs

evasion

pid	Process
4084	timeout.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
1956	PING.EXE

Suspicious behavior: EnumeratesProcesses 4 IoCs

pid	Process
2124	powershell.exe
2124	powershell.exe
3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe
3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	powershell.exe
Token: SeDebugPrivilege	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe

Suspicious use of WriteProcessMemory 31 IoCs

description	pid	Process	procid_target
PID 3572 wrote to memory of 2124	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	74
PID 3572 wrote to memory of 2124	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	74
PID 3572 wrote to memory of 2124	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	74
PID 2124 wrote to memory of 3964	2124	powershell.exe	76
PID 2124 wrote to memory of 3964	2124	powershell.exe	76
PID 2124 wrote to memory of 3964	2124	powershell.exe	76
PID 3964 wrote to memory of 4084	3964	cmd.exe	77
PID 3964 wrote to memory of 4084	3964	cmd.exe	77
PID 3964 wrote to memory of 4084	3964	cmd.exe	77
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3572 wrote to memory of 3376	3572	82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe	80
PID 3376 wrote to memory of 4036	3376	MSBuild.exe	81
PID 3376 wrote to memory of 4036	3376	MSBuild.exe	81
PID 3376 wrote to memory of 4036	3376	MSBuild.exe	81
PID 3376 wrote to memory of 3864	3376	MSBuild.exe	83
PID 3376 wrote to memory of 3864	3376	MSBuild.exe	83
PID 3376 wrote to memory of 3864	3376	MSBuild.exe	83
PID 3864 wrote to memory of 1956	3864	cmd.exe	85
PID 3864 wrote to memory of 1956	3864	cmd.exe	85
PID 3864 wrote to memory of 1956	3864	cmd.exe	85
PID 3864 wrote to memory of 2116	3864	cmd.exe	86
PID 3864 wrote to memory of 2116	3864	cmd.exe	86
PID 3864 wrote to memory of 2116	3864	cmd.exe	86

C:\Users\Admin\AppData\Local\Temp\82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe
"C:\Users\Admin\AppData\Local\Temp\82d2779e90cbc9078aa70d7dc6957ff0d6d06c127701c820971c9c572ba3058e.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3572
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc YwBtAGQAIAAvAGMAIAB0AGkAbQBlAG8AdQB0ACAAMgAwAA==
  2⤵
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\cmd.exe
    "C:\Windows\system32\cmd.exe" /c timeout 20
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3964
  - - C:\Windows\SysWOW64\timeout.exe
      timeout 20
      4⤵
      Delays execution with timeout.exe
      PID:4084
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  C:\Windows\Microsoft.NET\Framework\v4.0.30319\MSBuild.exe
  2⤵
  - Drops startup file
  - Maps connected drives based on registry
  - Suspicious use of WriteProcessMemory
  PID:3376
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6429.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\6429.exe"
    3⤵
    - Executes dropped EXE
    PID:4036
- - C:\Windows\SysWOW64\cmd.exe
    C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
    3⤵
    - Suspicious use of WriteProcessMemory
    PID:3864
  - - C:\Windows\SysWOW64\PING.EXE
      ping localhost -n 3
      4⤵
      Runs ping.exe
      PID:1956
  - - C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
      4⤵
      PID:2116

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/2124-138-0x0000000004EE2000-0x0000000004EE3000-memory.dmp

Filesize
4KB

Download
memory/2124-137-0x0000000007640000-0x0000000007C68000-memory.dmp

Filesize
6.2MB

Download
memory/2124-134-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/2124-139-0x0000000007300000-0x0000000007322000-memory.dmp

Filesize
136KB

Download
memory/2124-140-0x00000000074A0000-0x0000000007506000-memory.dmp

Filesize
408KB

Download
memory/2124-141-0x0000000007C70000-0x0000000007CD6000-memory.dmp

Filesize
408KB

Download
memory/2124-142-0x00000000083C0000-0x00000000083DE000-memory.dmp

Filesize
120KB

Download
memory/2124-143-0x0000000004EE5000-0x0000000004EE7000-memory.dmp

Filesize
8KB

Download
memory/2124-135-0x0000000004A70000-0x0000000004AA6000-memory.dmp

Filesize
216KB

Download
memory/2124-136-0x0000000004EE0000-0x0000000004EE1000-memory.dmp

Filesize
4KB

Download
memory/3376-148-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3376-149-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3572-147-0x00000000069D0000-0x0000000006F74000-memory.dmp

Filesize
5.6MB

Download
memory/3572-146-0x00000000012E0000-0x0000000001372000-memory.dmp

Filesize
584KB

Download
memory/3572-145-0x0000000005D70000-0x0000000005D71000-memory.dmp

Filesize
4KB

Download
memory/3572-130-0x00000000746FE000-0x00000000746FF000-memory.dmp

Filesize
4KB

Download
memory/3572-131-0x00000000009B0000-0x0000000000A28000-memory.dmp

Filesize
480KB

Download
memory/4036-153-0x00000000003E0000-0x0000000000420000-memory.dmp

Filesize
256KB

Download
memory/4036-154-0x0000000002750000-0x000000000276A000-memory.dmp

Filesize
104KB

Download
memory/4036-155-0x00000000747EE000-0x00000000747EF000-memory.dmp

Filesize
4KB

Download
memory/4036-156-0x0000000004CF0000-0x0000000004CF1000-memory.dmp

Filesize
4KB

Download
memory/4036-157-0x0000000004E60000-0x0000000004FBA000-memory.dmp

Filesize
1.4MB

Download