Analysis
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max time kernel
150s -
max time network
139s -
platform
windows10-2004_x64 -
resource
win10v2004-20220901-en -
resource tags
arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system -
submitted
10-01-2023 03:01
Static task
static1
Behavioral task
behavioral1
Sample
a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe
Resource
win10v2004-20220901-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe
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Size
328KB
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MD5
b96c3635df0a519e63c7d74cc0c04ccf
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SHA1
fce91298362c9dfce8a2c0870932fac1963950b2
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SHA256
a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6
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SHA512
5c14e5d195ecea29e66e42f7d5ef36e8ed88a699683ce38ae449bb401255abd35c5a38e0ca3a94e6afdd370da4926cf7a0ca31622393b882738449b9fc82579d
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SSDEEP
6144:s5GrSXwX6hmMmTHVMhLSQMUn6G7dBA0XeJY:sEudh+DVDGbO
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/3032-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/2348-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral1/memory/3032-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3032-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader -
SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2348 set thread context of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83 -
Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3032 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 3032 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found 2864 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2864 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3032 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 2348 wrote to memory of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83 PID 2348 wrote to memory of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83 PID 2348 wrote to memory of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83 PID 2348 wrote to memory of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83 PID 2348 wrote to memory of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83 PID 2348 wrote to memory of 3032 2348 a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe 83
Processes
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C:\Users\Admin\AppData\Local\Temp\a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe"C:\Users\Admin\AppData\Local\Temp\a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2348 -
C:\Users\Admin\AppData\Local\Temp\a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe"C:\Users\Admin\AppData\Local\Temp\a03bf9dd5b8f6d786ecc6eea97088c166b78dfc82418e8bb60d4b069d36fa8c6.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3032
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