Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
08/11/2024, 23:21
Static task
static1
Behavioral task
behavioral1
Sample
idjvgwd.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
idjvgwd.exe
Resource
win10v2004-20241007-en
General
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Target
idjvgwd.exe
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Size
1.2MB
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MD5
ea0e8e6b849a09e27aed632bda488d8c
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SHA1
de4a5e2aa40a3593090247d14cd5d01f1ae30450
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SHA256
b10cba4d61edc00dbf593421ccf9b3eafd5e4a50d8049f6a36030a398da01e15
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SHA512
acbbe334f8e0d9e2a7054582699d8aa40d61f877d49b3b37875182970e641b4287f020dafb2f8f46576fec6616800be3e7706bbccb4d43b3b74f468530ae49bd
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SSDEEP
3072:zBN4vl/J5yf3hVx7jDM63Pg2JiVbF4381uugHymX371ZafBWvrBQ8CAsOwhWhoO:9YdyfRVx4+Ye38IuANZZaf0Q8+O0W
Malware Config
Extracted
smokeloader
2210
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Smokeloader family
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Loads dropped DLL 1 IoCs
pid Process 2192 idjvgwd.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3520 set thread context of 2192 3520 idjvgwd.exe 83 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language idjvgwd.exe -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI idjvgwd.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI idjvgwd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI idjvgwd.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3520 wrote to memory of 2192 3520 idjvgwd.exe 83 PID 3520 wrote to memory of 2192 3520 idjvgwd.exe 83 PID 3520 wrote to memory of 2192 3520 idjvgwd.exe 83 PID 3520 wrote to memory of 2192 3520 idjvgwd.exe 83 PID 3520 wrote to memory of 2192 3520 idjvgwd.exe 83 PID 3520 wrote to memory of 2192 3520 idjvgwd.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe"C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3520 -
C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe"C:\Users\Admin\AppData\Local\Temp\idjvgwd.exe"2⤵
- Loads dropped DLL
- Checks SCSI registry key(s)
PID:2192
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
1.6MB
MD54f3387277ccbd6d1f21ac5c07fe4ca68
SHA1e16506f662dc92023bf82def1d621497c8ab5890
SHA256767a3fc4a7a6818cdc3f0b99aaa95db694f6bcde719d2057a88b3d4df3d74fac
SHA5129da199ac69e3c0d4e0c6307e0ab8178f12cc25cb2f14c3511f6b64e6e60a925c860f3263cb38353a97b55a71ef4d27f8cb7fa3cfc08e7c1a349fd8d209dfa219