Analysis
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max time kernel
150s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20221111-en -
resource tags
arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system -
submitted
10/01/2023, 04:13
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20220812-en
windows7-x64
7 signatures
150 seconds
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20221111-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
file.exe
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Size
326KB
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MD5
408a31880339ad94e86c94e2990994fe
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SHA1
6bed8846d398cf8f8286652dd9ce6fb97496227e
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SHA256
b92409594487498f9412e104175aa5b87ef199962a023e2f16d7c3c53302457f
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SHA512
bce48baf3a5ce571a579f69a63ed7b7184d3ec983460cbb1441dd739d7f07ca63b7f2616aa70fc72eae648e6544ff571e018e80fb81974141f8445c5ce40dbb0
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SSDEEP
6144:Xgo579KC7zBIpgPtilfkj4O7dBA0XfeJY:XgO0aFIq8lfk1W
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral2/memory/1736-134-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/5096-135-0x0000000002190000-0x0000000002199000-memory.dmp family_smokeloader behavioral2/memory/1736-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral2/memory/1736-137-0x0000000000400000-0x0000000000409000-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 5096 set thread context of 1736 5096 file.exe 84 -
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 1736 file.exe 1736 file.exe 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found 2492 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2492 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1736 file.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5096 wrote to memory of 1736 5096 file.exe 84 PID 5096 wrote to memory of 1736 5096 file.exe 84 PID 5096 wrote to memory of 1736 5096 file.exe 84 PID 5096 wrote to memory of 1736 5096 file.exe 84 PID 5096 wrote to memory of 1736 5096 file.exe 84 PID 5096 wrote to memory of 1736 5096 file.exe 84
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:5096 -
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:1736
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