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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
07/10/2022, 05:13
Static task
static1
Behavioral task
behavioral1
Sample
2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe
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Size
267KB
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MD5
bce91c503c547f6063beb60ae01f4169
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SHA1
4a4f833b2ddd8b3f0389ecbff2b8f08c445058cc
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SHA256
2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482
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SHA512
1493d0b2c9925e8b630403ea54061e64f72e5e2dcdae98ca9f6d43284d0ba243ef13d3f908310e1b8ec08499ca5ce46b65fbd53b91e0212a20984e539ec471eb
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SSDEEP
3072:3XYAhpLDUIwM/tZx5C1dXj3Rg7noOWrxpzbgqruNRV/LpZa9uD6VdyhkURv4LR:nvyM/anCuzbgwuNn/LwVfU
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/4620-133-0x00000000004C0000-0x00000000004C9000-memory.dmp family_smokeloader behavioral1/memory/3352-135-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3352-137-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3352-138-0x0000000000400000-0x0000000000409000-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 4620 set thread context of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82 -
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 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3352 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 3352 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found 3044 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3044 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3352 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4620 wrote to memory of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82 PID 4620 wrote to memory of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82 PID 4620 wrote to memory of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82 PID 4620 wrote to memory of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82 PID 4620 wrote to memory of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82 PID 4620 wrote to memory of 3352 4620 2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe"C:\Users\Admin\AppData\Local\Temp\2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4620 -
C:\Users\Admin\AppData\Local\Temp\2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe"C:\Users\Admin\AppData\Local\Temp\2577c35a923b7d4302d4b5b18f5183836ee5ed565f8e5f2aa20fb526148a2482.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3352
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