saintbot | ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9

Analysis

max time kernel
53s
max time network
161s
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, 14:46

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General

Target
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe
Size 223KB
Sample240410-r5f5rabf68
SHA256 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9
MD5 893b17ed65ecffa8376063349f22d2bc
SHA1 50c556277899d6b9da5ec125c0a58650a14a08a7
SHA512 e61a215547991592a204868a979ec513198a6ba192a692a97ccba352c427dc1721a433c0aaaa98107f2d91ae5d2b0aad57ea9ea86ca48a0d61b8a48ecef6b787
SSDEEP 3072:EwA6vAcT6agXrIISqRIYrCNrACDJi7kX9ne6uDxj5AiOhtSvLt2b:6cT6PXrI/qRIZrACGkX9niILtUt2b
MD5 SHA1 SHA512 SSDEEP

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 13 IoCs

resource	yara_rule
behavioral2/memory/4300-2-0x00000000047B0000-0x00000000047B9000-memory.dmp	family_saintbot
behavioral2/memory/4300-3-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/4300-4-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/4300-9-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/4300-11-0x00000000047B0000-0x00000000047B9000-memory.dmp	family_saintbot
behavioral2/memory/1596-25-0x0000000002DB0000-0x0000000002EB0000-memory.dmp	family_saintbot
behavioral2/memory/1596-26-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/4300-29-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/1596-30-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/752-32-0x00000000010C0000-0x00000000010CB000-memory.dmp	family_saintbot
behavioral2/memory/1596-33-0x0000000000400000-0x0000000002BA9000-memory.dmp	family_saintbot
behavioral2/memory/752-35-0x00000000010C0000-0x00000000010CB000-memory.dmp	family_saintbot
behavioral2/memory/752-36-0x00000000010C0000-0x00000000010CB000-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

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-3808065738-1666277613-1125846146-1000\Control Panel\International\Geo\Nation	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe

Drops startup file 1 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\50859.exe	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe

Executes dropped EXE 1 IoCs

pid	Process
1596	50859.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 4 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	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	50859.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0	50859.exe

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

System Information Discovery
T1082

Program crash 2 IoCs

pid	pid_target	Process	procid_target
916	4300	WerFault.exe	89
4208	1596	WerFault.exe	94

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

pid	Process
2732	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
3568	PING.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 4300 wrote to memory of 1596	4300	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe	94
PID 4300 wrote to memory of 1596	4300	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe	94
PID 4300 wrote to memory of 1596	4300	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe	94
PID 4300 wrote to memory of 860	4300	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe	95
PID 4300 wrote to memory of 860	4300	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe	95
PID 4300 wrote to memory of 860	4300	ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe	95
PID 860 wrote to memory of 3568	860	cmd.exe	98
PID 860 wrote to memory of 3568	860	cmd.exe	98
PID 860 wrote to memory of 3568	860	cmd.exe	98
PID 860 wrote to memory of 4736	860	cmd.exe	103
PID 860 wrote to memory of 4736	860	cmd.exe	103
PID 860 wrote to memory of 4736	860	cmd.exe	103

C:\Users\Admin\AppData\Local\Temp\ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe
"C:\Users\Admin\AppData\Local\Temp\ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe"
1⤵
- Checks computer location settings
- Drops startup file
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:4300
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\50859.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\50859.exe"
  2⤵
  - Executes dropped EXE
  - Maps connected drives based on registry
  PID:1596
- - C:\Windows\SysWOW64\EhStorAuthn.exe
    "C:\Windows\System32\EhStorAuthn.exe"
    3⤵
    PID:752
  - - 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:2732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 624
    3⤵
    - Program crash
    PID:4208
- C:\Windows\SysWOW64\cmd.exe
  C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Suspicious use of WriteProcessMemory
  PID:860
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:3568
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:4736
- C:\Windows\SysWOW64\WerFault.exe
  C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 1144
  2⤵
  - Program crash
  PID:916

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3692 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
1⤵
PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4300 -ip 4300
1⤵
PID:1148

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1596 -ip 1596
1⤵
PID:3384

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

T1053

Persistence

Scheduled Task/Job

T1053

Privilege Escalation

Scheduled Task/Job

T1053

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

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Downloads

wallpaper.mp4

Path C:\Users\Admin\AppData\Local\z_Admin\wallpaper.mp4
Size 1.6MB
SHA256 767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
MD5 4f3387277ccbd6d1f21ac5c07fe4ca68
SHA1 e16506f662dc92023bf82def1d621497c8ab5890
SHA512 9da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
SSDEEP 24576:qhYK3o0FvOh/e8AuDq8TJqbEPVVdqi90gvuPGO12HoIGTufqN8:2XFvO5egq8TMbEL59JCKSN
MD5 SHA1 SHA512 SSDEEP

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50859.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\50859.exe
Size 223KB
SHA256 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9
MD5 893b17ed65ecffa8376063349f22d2bc
SHA1 50c556277899d6b9da5ec125c0a58650a14a08a7
SHA512 e61a215547991592a204868a979ec513198a6ba192a692a97ccba352c427dc1721a433c0aaaa98107f2d91ae5d2b0aad57ea9ea86ca48a0d61b8a48ecef6b787
SSDEEP 3072:EwA6vAcT6agXrIISqRIYrCNrACDJi7kX9ne6uDxj5AiOhtSvLt2b:6cT6PXrI/qRIZrACGkX9niILtUt2b
MD5 SHA1 SHA512 SSDEEP

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del.bat

Path C:\Users\Admin\AppData\Roaming\del.bat
Size 170B
SHA256 b69cb84ef4f94024328d6580ba44ff73d73c3a3bbc8a8a008333659da8688b61
MD5 edeb4e96ab314325f9e21b3d93ade5e0
SHA1 493ed4eb1f39091e7085e74f9fc89771c8bbf587
SHA512 a0064dd4ff326a48a1388524b154c5469522b21a3ef62505e0967ac77030dadc7d02bbdce4dd1a66439e16bd07e298db1aa33f133c674366f405c0016a0dce01
MD5 SHA1 SHA512

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memory/752-36-0x00000000010C0000-0x00000000010CB000-memory.dmp

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memory/752-35-0x00000000010C0000-0x00000000010CB000-memory.dmp

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memory/752-32-0x00000000010C0000-0x00000000010CB000-memory.dmp

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memory/1596-26-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/1596-33-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/1596-30-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/1596-25-0x0000000002DB0000-0x0000000002EB0000-memory.dmp

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memory/4300-9-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/4300-11-0x00000000047B0000-0x00000000047B9000-memory.dmp

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memory/4300-29-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/4300-10-0x0000000002E10000-0x0000000002F10000-memory.dmp

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memory/4300-1-0x0000000002E10000-0x0000000002F10000-memory.dmp

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memory/4300-4-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/4300-3-0x0000000000400000-0x0000000002BA9000-memory.dmp

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memory/4300-2-0x00000000047B0000-0x00000000047B9000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads