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Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
18/07/2023, 17:12
Static task
static1
Behavioral task
behavioral1
Sample
577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe
Resource
win10v2004-20230703-en
General
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Target
577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe
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Size
316KB
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MD5
7bc2c0fa031433648a2b770422f0b77c
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SHA1
aae47199d16495f21470dd9e80cc0c58f2f6e2d8
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SHA256
577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804
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SHA512
176dddaf02b941afbe5477e5e61d3c3dc784c15299be1941474aff3336ce1787ff95fcfdb7e86b4e2a64eec614e39027b8153f9780c67c68f76cf06cd59a21a6
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SSDEEP
3072:qYp/9g7Lz2nehtfRNGeN1Cur1kA3ZU0B4NJK5SGZSGFBY:FGLzbfGKn1kAi02TtKSs
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 4772 set thread context of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 -
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 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 656 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 656 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found 3156 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3156 Process not Found -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 656 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeShutdownPrivilege 3156 Process not Found Token: SeCreatePagefilePrivilege 3156 Process not Found Token: SeShutdownPrivilege 3156 Process not Found Token: SeCreatePagefilePrivilege 3156 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3156 Process not Found 3156 Process not Found -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 4772 wrote to memory of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 PID 4772 wrote to memory of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 PID 4772 wrote to memory of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 PID 4772 wrote to memory of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 PID 4772 wrote to memory of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 PID 4772 wrote to memory of 656 4772 577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe 93 -
Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
Processes
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C:\Users\Admin\AppData\Local\Temp\577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe"C:\Users\Admin\AppData\Local\Temp\577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4772 -
C:\Users\Admin\AppData\Local\Temp\577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe"C:\Users\Admin\AppData\Local\Temp\577eafd6443de67e4e9ea1c3d8ee9845139cb15f204e10fc779f74e71f33b804.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:656
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