Analysis
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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
Static task
static1
Behavioral task
behavioral1
Sample
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe
Resource
win7-20240221-en
General
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Target
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe
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Size
223KB
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MD5
893b17ed65ecffa8376063349f22d2bc
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SHA1
50c556277899d6b9da5ec125c0a58650a14a08a7
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SHA256
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9
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SHA512
e61a215547991592a204868a979ec513198a6ba192a692a97ccba352c427dc1721a433c0aaaa98107f2d91ae5d2b0aad57ea9ea86ca48a0d61b8a48ecef6b787
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SSDEEP
3072:EwA6vAcT6agXrIISqRIYrCNrACDJi7kX9ne6uDxj5AiOhtSvLt2b:6cT6PXrI/qRIZrACGkX9niILtUt2b
Malware Config
Signatures
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SaintBot payload 13 IoCs
Processes:
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.
Processes:
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exedescription 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
Processes:
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exedescription ioc process File created C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\50859.exe ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe -
Executes dropped EXE 1 IoCs
Processes:
50859.exepid 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.
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Maps connected drives based on registry 3 TTPs 4 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe50859.exedescription 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).
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Program crash 2 IoCs
Processes:
WerFault.exeWerFault.exepid pid_target process target process 916 4300 WerFault.exe ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe 4208 1596 WerFault.exe 50859.exe -
Creates scheduled task(s) 1 TTPs 1 IoCs
Schtasks is often used by malware for persistence or to perform post-infection execution.
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Runs ping.exe 1 TTPs 1 IoCs
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Suspicious use of WriteProcessMemory 12 IoCs
Processes:
ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.execmd.exedescription pid process target process PID 4300 wrote to memory of 1596 4300 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe 50859.exe PID 4300 wrote to memory of 1596 4300 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe 50859.exe PID 4300 wrote to memory of 1596 4300 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe 50859.exe PID 4300 wrote to memory of 860 4300 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe cmd.exe PID 4300 wrote to memory of 860 4300 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe cmd.exe PID 4300 wrote to memory of 860 4300 ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9.exe cmd.exe PID 860 wrote to memory of 3568 860 cmd.exe PING.EXE PID 860 wrote to memory of 3568 860 cmd.exe PING.EXE PID 860 wrote to memory of 3568 860 cmd.exe PING.EXE PID 860 wrote to memory of 4736 860 cmd.exe cmd.exe PID 860 wrote to memory of 4736 860 cmd.exe cmd.exe PID 860 wrote to memory of 4736 860 cmd.exe cmd.exe
Processes
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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
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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" /F4⤵
- Creates scheduled task(s)
PID:2732
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1596 -s 6243⤵
- Program crash
PID:4208
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Roaming\del.bat2⤵
- Suspicious use of WriteProcessMemory
PID:860 -
C:\Windows\SysWOW64\PING.EXEping localhost -n 33⤵
- Runs ping.exe
PID:3568
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C:\Windows\SysWOW64\cmd.execmd /c del "C:\Users\Admin\AppData\Roaming\del.bat"3⤵PID:4736
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 11442⤵
- Program crash
PID:916
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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:81⤵PID:3580
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4300 -ip 43001⤵PID:1148
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1596 -ip 15961⤵PID:3384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219
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Filesize
223KB
MD5893b17ed65ecffa8376063349f22d2bc
SHA150c556277899d6b9da5ec125c0a58650a14a08a7
SHA256ebbf30e06de3a25f76cf43c72c521d14a27053e4d9be566b41f50c41bea3a7a9
SHA512e61a215547991592a204868a979ec513198a6ba192a692a97ccba352c427dc1721a433c0aaaa98107f2d91ae5d2b0aad57ea9ea86ca48a0d61b8a48ecef6b787
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Filesize
170B
MD5edeb4e96ab314325f9e21b3d93ade5e0
SHA1493ed4eb1f39091e7085e74f9fc89771c8bbf587
SHA256b69cb84ef4f94024328d6580ba44ff73d73c3a3bbc8a8a008333659da8688b61
SHA512a0064dd4ff326a48a1388524b154c5469522b21a3ef62505e0967ac77030dadc7d02bbdce4dd1a66439e16bd07e298db1aa33f133c674366f405c0016a0dce01