Analysis
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max time kernel
152s -
max time network
161s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
11-02-2023 23:53
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20221111-en
windows7-x64
9 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
197KB
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MD5
e5a7311e59c1ca0a10486b080d4cc81e
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SHA1
452a423b77c14ca67a543febfe6d2b0c1c2a0f0d
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SHA256
e9bf97df7241ec72ba8fbb2cc0800c3baddbb00ece9966ab67828575b43177e9
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SHA512
6be36a717df2599c0de1edaf7414b8ff5ebacc3483e114fec5641eba0c8b6e402d2e7594faff2daede9d9f894f2d9ffa011e34838844bbec0ab17f6c72851beb
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SSDEEP
3072:Fjq39+0JO9eB5CtUBcZVJU3ZvveJ2ArPw4v8UwQdPftG:FGtRST6GNuO4ArYZUwQV
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/4752-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/3684-135-0x0000000000800000-0x0000000000809000-memory.dmp family_smokeloader behavioral2/memory/4752-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/4752-137-0x0000000000400000-0x0000000000409000-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 3684 set thread context of 4752 3684 file.exe 80 -
Checks SCSI registry key(s) 3 TTPs 3 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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4752 file.exe 4752 file.exe 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found 3008 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3008 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 4752 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3684 wrote to memory of 4752 3684 file.exe 80 PID 3684 wrote to memory of 4752 3684 file.exe 80 PID 3684 wrote to memory of 4752 3684 file.exe 80 PID 3684 wrote to memory of 4752 3684 file.exe 80 PID 3684 wrote to memory of 4752 3684 file.exe 80 PID 3684 wrote to memory of 4752 3684 file.exe 80
Processes
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C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:3684 -
C:\Users\Admin\AppData\Local\Temp\file.exe"C:\Users\Admin\AppData\Local\Temp\file.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:4752
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