saintbot | ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

General

Target

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
Size

235KB
MD5

247951ff7b519fa8d39ef07d33e0ba5b
SHA1

cf4587b6015d2a00c26a369339504595a266401f
SHA256

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03
SHA512

6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7

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 4 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1620-57-0x0000000000220000-0x0000000000229000-memory.dmp	family_saintbot
behavioral1/memory/1620-59-0x0000000000400000-0x000000000040B000-memory.dmp	family_saintbot
behavioral1/memory/648-66-0x00000000001B0000-0x00000000001B9000-memory.dmp	family_saintbot
behavioral1/memory/452-72-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot

Executes dropped EXE 1 IoCs

Processes:

45013.exe

pid process

648 45013.exe
Deletes itself 1 IoCs

Processes:

cmd.exe

pid process

1276 cmd.exe

pid	process
648	45013.exe

pid	process
1276	cmd.exe

Drops startup file 2 IoCs

Processes:

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe45013.exe

description	ioc	process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe	45013.exe

Loads dropped DLL 4 IoCs

Processes:

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe45013.exeEhStorAuthn.exe

pid	process
1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
648	45013.exe
452	EhStorAuthn.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

EhStorAuthn.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2329389628-4064185017-3901522362-1000\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:

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe45013.exeEhStorAuthn.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	45013.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	45013.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
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

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 opened	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0	EhStorAuthn.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	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
T1053

Processes:

schtasks.exe

pid process

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

Remote System Discovery
T1018

Processes:

PING.EXE

pid process

1072 PING.EXE
Suspicious behavior: EnumeratesProcesses 1 IoCs

Processes:

45013.exe

pid process

648 45013.exe

pid	process
872	schtasks.exe

pid	process
1072	PING.EXE

pid	process
648	45013.exe

Suspicious use of WriteProcessMemory 25 IoCs

Processes:

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.execmd.exe45013.exeEhStorAuthn.exe

description	pid	process	target process
PID 1620 wrote to memory of 648	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	45013.exe
PID 1620 wrote to memory of 648	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	45013.exe
PID 1620 wrote to memory of 648	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	45013.exe
PID 1620 wrote to memory of 648	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	45013.exe
PID 1620 wrote to memory of 1276	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	cmd.exe
PID 1620 wrote to memory of 1276	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	cmd.exe
PID 1620 wrote to memory of 1276	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	cmd.exe
PID 1620 wrote to memory of 1276	1620	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	cmd.exe
PID 1276 wrote to memory of 1072	1276	cmd.exe	PING.EXE
PID 1276 wrote to memory of 1072	1276	cmd.exe	PING.EXE
PID 1276 wrote to memory of 1072	1276	cmd.exe	PING.EXE
PID 1276 wrote to memory of 1072	1276	cmd.exe	PING.EXE
PID 1276 wrote to memory of 892	1276	cmd.exe	cmd.exe
PID 1276 wrote to memory of 892	1276	cmd.exe	cmd.exe
PID 1276 wrote to memory of 892	1276	cmd.exe	cmd.exe
PID 1276 wrote to memory of 892	1276	cmd.exe	cmd.exe
PID 648 wrote to memory of 452	648	45013.exe	EhStorAuthn.exe
PID 648 wrote to memory of 452	648	45013.exe	EhStorAuthn.exe
PID 648 wrote to memory of 452	648	45013.exe	EhStorAuthn.exe
PID 648 wrote to memory of 452	648	45013.exe	EhStorAuthn.exe
PID 648 wrote to memory of 452	648	45013.exe	EhStorAuthn.exe
PID 452 wrote to memory of 872	452	EhStorAuthn.exe	schtasks.exe
PID 452 wrote to memory of 872	452	EhStorAuthn.exe	schtasks.exe
PID 452 wrote to memory of 872	452	EhStorAuthn.exe	schtasks.exe
PID 452 wrote to memory of 872	452	EhStorAuthn.exe	schtasks.exe

C:\Users\Admin\AppData\Local\Temp\ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
"C:\Users\Admin\AppData\Local\Temp\ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe"
1⤵
- Drops startup file
- Loads dropped DLL
- Maps connected drives based on registry
- Suspicious use of WriteProcessMemory
PID:1620
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe"
  2⤵
  - Executes dropped EXE
  - Drops startup file
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:648
- - 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:452
  - - 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:872
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:1276
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:1072
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:892

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Scheduled Task

1

T1053

Persistence

Registry Run Keys / Startup Folder

Scheduled Task

Privilege Escalation

Scheduled Task

1

T1053

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\Local\z_Admin\wallpaper.mp4

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe

MD5
247951ff7b519fa8d39ef07d33e0ba5b

SHA1
cf4587b6015d2a00c26a369339504595a266401f

SHA256
ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

SHA512
6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7

Download Submit
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe

MD5
247951ff7b519fa8d39ef07d33e0ba5b

SHA1
cf4587b6015d2a00c26a369339504595a266401f

SHA256
ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

SHA512
6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7

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

MD5
9b1143ff58ed5cb62d5217076eaf0964

SHA1
f67b957fbfd107aeaed1f48733e13c3dc7d6b1af

SHA256
5e2151e781bf9cf36e4fc6a6d13d4686fa6375edfbe7143b1a3a40e0a4415556

SHA512
7f63336f33ea624a04984855b8d9e541a75c18dea067b92d153a79750c23716743e112f198dc65ba2ca1ddc5a7ad7bb5eb0076de54fbdba27862592b16cbc095

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

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

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

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe

MD5
247951ff7b519fa8d39ef07d33e0ba5b

SHA1
cf4587b6015d2a00c26a369339504595a266401f

SHA256
ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

SHA512
6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\45013.exe

MD5
247951ff7b519fa8d39ef07d33e0ba5b

SHA1
cf4587b6015d2a00c26a369339504595a266401f

SHA256
ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

SHA512
6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7

Download Submit
memory/452-72-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/648-63-0x00000000002EB000-0x00000000002F2000-memory.dmp

Filesize
28KB

Download
memory/648-65-0x00000000002EB000-0x00000000002F2000-memory.dmp

Filesize
28KB

Download
memory/648-66-0x00000000001B0000-0x00000000001B9000-memory.dmp

Filesize
36KB

Download
memory/1620-55-0x0000000000B9B000-0x0000000000BA2000-memory.dmp

Filesize
28KB

Download
memory/1620-59-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1620-58-0x0000000076641000-0x0000000076643000-memory.dmp

Filesize
8KB

Download
memory/1620-57-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/1620-56-0x0000000000B9B000-0x0000000000BA2000-memory.dmp

Filesize
28KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads