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Analysis
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max time kernel
150s -
max time network
140s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
26/10/2022, 21:37
Static task
static1
Behavioral task
behavioral1
Sample
efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe
Resource
win10v2004-20220812-en
windows10-2004-x64
8 signatures
150 seconds
General
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Target
efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe
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Size
218KB
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MD5
bac8cfed019f44e5a79a386b29303c2b
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SHA1
30d13bc1ddca32d7619463a4ab7dcbf18a283d9f
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SHA256
efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b
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SHA512
43c0712ea3bc4a27b2ba0ccd7b80db62f3288b8f8c7459c08c6f819b83dc1dc4024038284a285d936493cc06e4944da199b295c6866155b11209edb1a676073b
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SSDEEP
3072:kaLJ4GIPm2ql3gIRLHtm6VZvbn59D57Rt3GmdWr+3qL/JcnWzzYYhx:kaE+2+QmLHtmWZvbpX9OfLxaSth
Score
10/10
Malware Config
Signatures
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Detects Smokeloader packer 4 IoCs
resource yara_rule behavioral1/memory/3028-133-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/5016-135-0x0000000000610000-0x0000000000619000-memory.dmp family_smokeloader behavioral1/memory/3028-136-0x0000000000400000-0x0000000000409000-memory.dmp family_smokeloader behavioral1/memory/3028-137-0x0000000000400000-0x0000000000409000-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 5016 set thread context of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81 -
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 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3028 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 3028 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found 2576 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2576 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3028 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 5016 wrote to memory of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81 PID 5016 wrote to memory of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81 PID 5016 wrote to memory of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81 PID 5016 wrote to memory of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81 PID 5016 wrote to memory of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81 PID 5016 wrote to memory of 3028 5016 efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe 81
Processes
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C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe"C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:5016 -
C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe"C:\Users\Admin\AppData\Local\Temp\efd62aee4bc21f4a993ba4da7b4d57ac637259a573c7ebbca18af31a3d7c4f7b.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3028
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