saintbot | ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

General

Target

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
Size

235KB
MD5

247951ff7b519fa8d39ef07d33e0ba5b
SHA1

cf4587b6015d2a00c26a369339504595a266401f
SHA256

ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03
SHA512

6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7
SSDEEP

3072:ZIWl+L9yTYPc4cW/QgB3JibTVLHvFKF4uzYiP0c21srymY5rc:ZI/L9GYp/xB49vFKGuzYiP0c8q0

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 9 IoCs

resource	yara_rule
behavioral1/memory/2272-2-0x0000000000220000-0x0000000000229000-memory.dmp	family_saintbot
behavioral1/memory/2272-3-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral1/memory/2272-23-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral1/memory/2756-27-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral1/memory/2756-31-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral1/memory/2568-33-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot
behavioral1/memory/2568-35-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot
behavioral1/memory/2756-36-0x0000000000400000-0x0000000000A14000-memory.dmp	family_saintbot
behavioral1/memory/2568-37-0x0000000000080000-0x000000000008B000-memory.dmp	family_saintbot

Deletes itself 1 IoCs

pid	Process
2560	cmd.exe

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\53609.exe	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\53609.exe	53609.exe

Executes dropped EXE 1 IoCs

pid	Process
2756	53609.exe

Loads dropped DLL 4 IoCs

pid	Process
2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
2756	53609.exe
2568	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

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum	53609.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	53609.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	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe
Key value queried	\REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.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

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 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/Job

T1053

pid	Process
2508	schtasks.exe

Runs ping.exe 1 TTPs 1 IoCs

Remote System Discovery

T1018

pid	Process
2724	PING.EXE

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2756	53609.exe

Suspicious use of WriteProcessMemory 25 IoCs

description	pid	Process	procid_target
PID 2272 wrote to memory of 2756	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	28
PID 2272 wrote to memory of 2756	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	28
PID 2272 wrote to memory of 2756	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	28
PID 2272 wrote to memory of 2756	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	28
PID 2272 wrote to memory of 2560	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	29
PID 2272 wrote to memory of 2560	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	29
PID 2272 wrote to memory of 2560	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	29
PID 2272 wrote to memory of 2560	2272	ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03.exe	29
PID 2560 wrote to memory of 2724	2560	cmd.exe	31
PID 2560 wrote to memory of 2724	2560	cmd.exe	31
PID 2560 wrote to memory of 2724	2560	cmd.exe	31
PID 2560 wrote to memory of 2724	2560	cmd.exe	31
PID 2560 wrote to memory of 2592	2560	cmd.exe	32
PID 2560 wrote to memory of 2592	2560	cmd.exe	32
PID 2560 wrote to memory of 2592	2560	cmd.exe	32
PID 2560 wrote to memory of 2592	2560	cmd.exe	32
PID 2756 wrote to memory of 2568	2756	53609.exe	33
PID 2756 wrote to memory of 2568	2756	53609.exe	33
PID 2756 wrote to memory of 2568	2756	53609.exe	33
PID 2756 wrote to memory of 2568	2756	53609.exe	33
PID 2756 wrote to memory of 2568	2756	53609.exe	33
PID 2568 wrote to memory of 2508	2568	EhStorAuthn.exe	34
PID 2568 wrote to memory of 2508	2568	EhStorAuthn.exe	34
PID 2568 wrote to memory of 2508	2568	EhStorAuthn.exe	34
PID 2568 wrote to memory of 2508	2568	EhStorAuthn.exe	34

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:2272
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\53609.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\53609.exe"
  2⤵
  - Drops startup file
  - Executes dropped EXE
  - Loads dropped DLL
  - Maps connected drives based on registry
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:2756
- - C:\Windows\SysWOW64\EhStorAuthn.exe
    "C:\Windows\System32\EhStorAuthn.exe"
    3⤵
    - Loads dropped DLL
    - Maps connected drives based on registry
    - Drops file in System32 directory
    - Checks processor information in registry
    - Suspicious use of WriteProcessMemory
    PID:2568
  - - 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:2508
- C:\Windows\SysWOW64\cmd.exe
  cmd /c C:\Users\Admin\AppData\Roaming\del.bat
  2⤵
  - Deletes itself
  - Suspicious use of WriteProcessMemory
  PID:2560
- - C:\Windows\SysWOW64\PING.EXE
    ping localhost -n 3
    3⤵
    - Runs ping.exe
    PID:2724
- - C:\Windows\SysWOW64\cmd.exe
    cmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"
    3⤵
    PID:2592

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Persistence

Scheduled Task/Job

1

T1053

Privilege Escalation

Scheduled Task/Job

1

T1053

Defense Evasion

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

Filesize
1.2MB

MD5
d124f55b9393c976963407dff51ffa79

SHA1
2c7bbedd79791bfb866898c85b504186db610b5d

SHA256
ea1e16247c848c8c171c4cd1fa17bc5a018a1fcb0c0dac25009066b6667b8eef

SHA512
278fe3a4b1fbbe700e4f4483b610133e975e36e101455661d5197bd892a68839b9d555499040d200c92aefa9e3819380e395c0cd85d5fc845c6364d128a8cf06

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

Filesize
170B

MD5
9b1143ff58ed5cb62d5217076eaf0964

SHA1
f67b957fbfd107aeaed1f48733e13c3dc7d6b1af

SHA256
5e2151e781bf9cf36e4fc6a6d13d4686fa6375edfbe7143b1a3a40e0a4415556

SHA512
7f63336f33ea624a04984855b8d9e541a75c18dea067b92d153a79750c23716743e112f198dc65ba2ca1ddc5a7ad7bb5eb0076de54fbdba27862592b16cbc095

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\53609.exe

Filesize
235KB

MD5
247951ff7b519fa8d39ef07d33e0ba5b

SHA1
cf4587b6015d2a00c26a369339504595a266401f

SHA256
ec3c0afccfef11f753a408c859d98bbba4841e87f7f1a48573270c0d82252b03

SHA512
6185aeae2dbb154ba4fef27eb7dc71a1e6a8ba7e1ca69cbbe5aeb9588b29d95608e32e9f46f8d60183584903f3bbffbd5a603f5717a84f18ad81bb5088ee7bd7

Download Submit
memory/2272-1-0x0000000000B20000-0x0000000000C20000-memory.dmp

Filesize
1024KB

Download
memory/2272-3-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2272-23-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2272-2-0x0000000000220000-0x0000000000229000-memory.dmp

Filesize
36KB

Download
memory/2568-33-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2568-37-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2568-35-0x0000000000080000-0x000000000008B000-memory.dmp

Filesize
44KB

Download
memory/2756-26-0x0000000000AD0000-0x0000000000BD0000-memory.dmp

Filesize
1024KB

Download
memory/2756-31-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2756-36-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download
memory/2756-27-0x0000000000400000-0x0000000000A14000-memory.dmp

Filesize
6.1MB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads