Analysis
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max time kernel
150s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
01/04/2023, 02:08
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.exe
Resource
win10v2004-20230220-en
General
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Target
setup.exe
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Size
250KB
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MD5
933dc3211d2dd2a883c823ee0ee66b0c
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SHA1
35b71cbb5f192b9affa65e99417732e523956bce
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SHA256
60b07a445998f1d5e90714ac1404b306cfdc9aa1be2d8616595a9e696d15a639
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SHA512
716525fea8437cf9b35107139a791b39486eea8143cfd20420ef823da55261afe096c54b819940d11f0bcb51d1e233d64c1bdc1c7d5ea80c15c5f8f5de1ed791
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SSDEEP
3072:bReS2RFEzt8XRqvRRWRO9Z1VAD4dv79ttFY5UVPIwOySHpxw1E0a+v:p2RuyRqh3ZLFYu1IwuMWw
Malware Config
Extracted
smokeloader
lab
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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Executes dropped EXE 2 IoCs
pid Process 1492 tutehas 3992 tutehas -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 4568 set thread context of 2228 4568 setup.exe 84 PID 1492 set thread context of 3992 1492 tutehas 93 -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI setup.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tutehas Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tutehas Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI tutehas -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2228 setup.exe 2228 setup.exe 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found 3120 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3120 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2228 setup.exe 3992 tutehas -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 3120 Process not Found Token: SeCreatePagefilePrivilege 3120 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 4568 wrote to memory of 2228 4568 setup.exe 84 PID 4568 wrote to memory of 2228 4568 setup.exe 84 PID 4568 wrote to memory of 2228 4568 setup.exe 84 PID 4568 wrote to memory of 2228 4568 setup.exe 84 PID 4568 wrote to memory of 2228 4568 setup.exe 84 PID 4568 wrote to memory of 2228 4568 setup.exe 84 PID 1492 wrote to memory of 3992 1492 tutehas 93 PID 1492 wrote to memory of 3992 1492 tutehas 93 PID 1492 wrote to memory of 3992 1492 tutehas 93 PID 1492 wrote to memory of 3992 1492 tutehas 93 PID 1492 wrote to memory of 3992 1492 tutehas 93 PID 1492 wrote to memory of 3992 1492 tutehas 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\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4568 -
C:\Users\Admin\AppData\Local\Temp\setup.exe"C:\Users\Admin\AppData\Local\Temp\setup.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2228
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C:\Users\Admin\AppData\Roaming\tutehasC:\Users\Admin\AppData\Roaming\tutehas1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1492 -
C:\Users\Admin\AppData\Roaming\tutehasC:\Users\Admin\AppData\Roaming\tutehas2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:3992
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
250KB
MD5933dc3211d2dd2a883c823ee0ee66b0c
SHA135b71cbb5f192b9affa65e99417732e523956bce
SHA25660b07a445998f1d5e90714ac1404b306cfdc9aa1be2d8616595a9e696d15a639
SHA512716525fea8437cf9b35107139a791b39486eea8143cfd20420ef823da55261afe096c54b819940d11f0bcb51d1e233d64c1bdc1c7d5ea80c15c5f8f5de1ed791
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Filesize
250KB
MD5933dc3211d2dd2a883c823ee0ee66b0c
SHA135b71cbb5f192b9affa65e99417732e523956bce
SHA25660b07a445998f1d5e90714ac1404b306cfdc9aa1be2d8616595a9e696d15a639
SHA512716525fea8437cf9b35107139a791b39486eea8143cfd20420ef823da55261afe096c54b819940d11f0bcb51d1e233d64c1bdc1c7d5ea80c15c5f8f5de1ed791
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Filesize
250KB
MD5933dc3211d2dd2a883c823ee0ee66b0c
SHA135b71cbb5f192b9affa65e99417732e523956bce
SHA25660b07a445998f1d5e90714ac1404b306cfdc9aa1be2d8616595a9e696d15a639
SHA512716525fea8437cf9b35107139a791b39486eea8143cfd20420ef823da55261afe096c54b819940d11f0bcb51d1e233d64c1bdc1c7d5ea80c15c5f8f5de1ed791