Analysis
- max time kernel
150s - max time network
130s - platform
windows10-2004_x64 - resource
win10v2004-20220901-en - resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system - submitted
24/09/2022, 16:48
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
5 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
7 signatures
150 seconds
General
- Target file.exe
- Size 196KB
- Sample220924-va38ksbfd3
- SHA256 5e62ea2fb73821c5c796b307d3326fcf55b312296631f7f5bd2cea6e0d5b0e44
- MD5 e8395a934f440ccafe47db6cafb332fa
- SHA1 2155a0002a092236fa9070153afe57023b711c9c
- SHA512 0621bdc3243620dcb3ed349f80ce9d8dd131df8423424e69838e014e032c00d58f365e6b3f450351e3864be3ef4342a88cd7d73bf792f77d7ba39ac9274da873
- SSDEEP 3072:hrFavLYM8UqA55xy2pK/W0tXIhE3gS7yCBZqGCe/Pkk4x:SL6Ud0PtYhER7yX
- MD5 SHA1 SHA512 SSDEEP
Score
10/10
Malware Config
Signatures
- Detects Smokeloader packer 2 IoCs
resource yara_rule behavioral2/memory/1440-133-0x00000000022C0000-0x00000000022C9000-memory.dmp family_smokeloader behavioral2/memory/1832-139-0x0000000000600000-0x0000000000609000-memory.dmp family_smokeloader - SmokeLoader
Modular backdoor trojan in use since 2014.
- Executes dropped EXE 1 IoCs
pid Process 1832 bjhrvde - Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI file.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bjhrvde Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bjhrvde Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI bjhrvde - Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1440 file.exe 1440 file.exe 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found 3048 Process not Found - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3048 Process not Found - Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1440 file.exe 1832 bjhrvde
Processes
-
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:1440
-
C:\Users\Admin\AppData\Roaming\bjhrvdeC:\Users\Admin\AppData\Roaming\bjhrvde1⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:1832
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\AppData\Roaming\bjhrvde
- Size 196KB
- SHA256 5e62ea2fb73821c5c796b307d3326fcf55b312296631f7f5bd2cea6e0d5b0e44
- MD5 e8395a934f440ccafe47db6cafb332fa
- SHA1 2155a0002a092236fa9070153afe57023b711c9c
- SHA512 0621bdc3243620dcb3ed349f80ce9d8dd131df8423424e69838e014e032c00d58f365e6b3f450351e3864be3ef4342a88cd7d73bf792f77d7ba39ac9274da873
- SSDEEP 3072:hrFavLYM8UqA55xy2pK/W0tXIhE3gS7yCBZqGCe/Pkk4x:SL6Ud0PtYhER7yX
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\AppData\Roaming\bjhrvde
- Size 196KB
- SHA256 5e62ea2fb73821c5c796b307d3326fcf55b312296631f7f5bd2cea6e0d5b0e44
- MD5 e8395a934f440ccafe47db6cafb332fa
- SHA1 2155a0002a092236fa9070153afe57023b711c9c
- SHA512 0621bdc3243620dcb3ed349f80ce9d8dd131df8423424e69838e014e032c00d58f365e6b3f450351e3864be3ef4342a88cd7d73bf792f77d7ba39ac9274da873
- SSDEEP 3072:hrFavLYM8UqA55xy2pK/W0tXIhE3gS7yCBZqGCe/Pkk4x:SL6Ud0PtYhER7yX
- MD5 SHA1 SHA512 SSDEEP