saintbot | 01f1ef246b1d4230419db9d0938885213a03d1ac3084dd8f3c723ca561cb634d

Analysis

max time kernel
117s
max time network
123s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
13/08/2024, 00:19

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General

Target
90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe
Size 29KB
Sample240813-amncnstepf
SHA256 01f1ef246b1d4230419db9d0938885213a03d1ac3084dd8f3c723ca561cb634d
MD5 90e07e8097d077b9aa5002f94fc40a9b
SHA1 55647fee6382078b21cbc28b74c1d5bef38f97e0
SHA512 50f57f54cef288d6adfa78ca8cf13de1a39f2b46fdfe5328678245d0495f6a7b0078d74d06e6c6fdcd6f646dedc7193f9e59b8a1f5e911bde1cd5777560c0512
SSDEEP 768:Jv9SiOBEcXWrfRsA0hNnuHmrhCiWo12vTzXTbH3O:8Xqk6HDiWrzPe
MD5 SHA1 SHA512 SSDEEP

Score

10^/10

saintbot defense_evasion 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 4 IoCs

resource	yara_rule
behavioral1/files/0x000800000001752e-5.dat	family_saintbot
behavioral1/memory/2760-20-0x00000000000C0000-0x00000000000CC000-memory.dmp	family_saintbot
behavioral1/memory/2760-22-0x00000000000C0000-0x00000000000CC000-memory.dmp	family_saintbot
behavioral1/memory/2760-23-0x00000000000C0000-0x00000000000CC000-memory.dmp	family_saintbot

Deletes itself 1 IoCs

pid	Process
2808	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Office Excel MUI (English) 2010.exe	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Office Excel MUI (English) 2010.exe	Microsoft Office Excel MUI (English) 2010.exe

Executes dropped EXE 1 IoCs

pid	Process
2364	Microsoft Office Excel MUI (English) 2010.exe

Loads dropped DLL 3 IoCs

pid	Process
2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe
2364	Microsoft Office Excel MUI (English) 2010.exe
2760	EhStorAuthn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3502430532-24693940-2469786940-1000\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
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
defense_evasion

File Deletion
T1070.004

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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	Microsoft Office Excel MUI (English) 2010.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	Microsoft Office Excel MUI (English) 2010.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
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe

Drops file in System32 directory 1 IoCs

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

System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Microsoft Office Excel MUI (English) 2010.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EhStorAuthn.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PING.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	cmd.exe

System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

Adversaries may check for Internet connectivity on compromised systems.

discovery

Internet Connection Discovery

T1016.001

pid	Process
2220	PING.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

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

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2220	PING.EXE

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2760	EhStorAuthn.exe

Suspicious use of WriteProcessMemory 21 IoCs

description	pid	Process	procid_target
PID 2360 wrote to memory of 2364	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2364	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2364	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2364	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	31
PID 2360 wrote to memory of 2808	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2808	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2808	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	32
PID 2360 wrote to memory of 2808	2360	90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe	32
PID 2808 wrote to memory of 2220	2808	cmd.exe	34
PID 2808 wrote to memory of 2220	2808	cmd.exe	34
PID 2808 wrote to memory of 2220	2808	cmd.exe	34
PID 2808 wrote to memory of 2220	2808	cmd.exe	34
PID 2808 wrote to memory of 2816	2808	cmd.exe	35
PID 2808 wrote to memory of 2816	2808	cmd.exe	35
PID 2808 wrote to memory of 2816	2808	cmd.exe	35
PID 2808 wrote to memory of 2816	2808	cmd.exe	35
PID 2364 wrote to memory of 2760	2364	Microsoft Office Excel MUI (English) 2010.exe	36
PID 2364 wrote to memory of 2760	2364	Microsoft Office Excel MUI (English) 2010.exe	36
PID 2364 wrote to memory of 2760	2364	Microsoft Office Excel MUI (English) 2010.exe	36
PID 2364 wrote to memory of 2760	2364	Microsoft Office Excel MUI (English) 2010.exe	36
PID 2364 wrote to memory of 2760	2364	Microsoft Office Excel MUI (English) 2010.exe	36

C:\Users\Admin\AppData\Local\Temp\90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe
"C:\Users\Admin\AppData\Local\Temp\90e07e8097d077b9aa5002f94fc40a9b_JaffaCakes118.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Maps connected drives based on registry
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2360
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Office Excel MUI (English) 2010.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Office Excel MUI (English) 2010.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Maps connected drives based on registry
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2364
- - 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
    - System Location Discovery: System Language Discovery
    - Checks processor information in registry
    - Suspicious use of AdjustPrivilegeToken
    PID:2760
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Deletes itself
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2808
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - System Location Discovery: System Language Discovery
    - System Network Configuration Discovery: Internet Connection Discovery
    - Runs ping.exe
    PID:2220
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    - System Location Discovery: System Language Discovery
    PID:2816

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

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

Indicator Removal

T1070

File Deletion

T1070.004

Modify Registry

T1112

Credential Access

Discovery

Peripheral Device Discovery

T1120

Query Registry

T1012

Remote System Discovery

T1018

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

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 1.2MB
SHA256 ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef
MD5 d124f55b9393c976963407dff51ffa79
SHA1 2c7bbedd79791bfb866898c85b504186db610b5d
SHA512 278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06
SSDEEP 24576:gwS6Xkd14PpBi6vPfdviHPZ2jslseW64AcECwA:lUd1ypBLPdmZ2Ox4AcECwA
MD5 SHA1 SHA512 SSDEEP

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del.bat

Path C:\Users\Admin\AppData\Roaming\del.bat
Size 152B
SHA256 0dc8cc65a4b9cdedb0ec01da7dcea67f0e8843bf162087a3202664a8bdae096b
MD5 b4c4c52ea37a534789fe0ec6e9c1c771
SHA1 15c324b951e4d1f15738b8882f41c4590bd840d9
SHA512 b3b4e6f8b278b2cc398cf29a84afe961411cefe4ff1a72ad78272809f90d699f76f3ebff7d8fc7e76269b81cf689f3269924516563d63d87c7487caf3a05119f
MD5 SHA1 SHA512

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Microsoft Office Excel MUI (English) 2010.exe

Path \Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Microsoft Office Excel MUI (English) 2010.exe
Size 29KB
SHA256 01f1ef246b1d4230419db9d0938885213a03d1ac3084dd8f3c723ca561cb634d
MD5 90e07e8097d077b9aa5002f94fc40a9b
SHA1 55647fee6382078b21cbc28b74c1d5bef38f97e0
SHA512 50f57f54cef288d6adfa78ca8cf13de1a39f2b46fdfe5328678245d0495f6a7b0078d74d06e6c6fdcd6f646dedc7193f9e59b8a1f5e911bde1cd5777560c0512
SSDEEP 768:Jv9SiOBEcXWrfRsA0hNnuHmrhCiWo12vTzXTbH3O:8Xqk6HDiWrzPe
MD5 SHA1 SHA512 SSDEEP

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memory/2760-20-0x00000000000C0000-0x00000000000CC000-memory.dmp

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memory/2760-22-0x00000000000C0000-0x00000000000CC000-memory.dmp

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memory/2760-23-0x00000000000C0000-0x00000000000CC000-memory.dmp

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Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads