Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system -
submitted
21/09/2023, 20:07
Static task
static1
Behavioral task
behavioral1
Sample
734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe
Resource
win10v2004-20230915-en
General
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Target
734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe
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Size
293KB
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MD5
486ecdc9522e173d5cdef07bf7c22622
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SHA1
efe7a2cf5a4271a3f76fd2cab5139ff8d7e9e5f2
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SHA256
734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af
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SHA512
f2c493fce94e5865315f05b6de3105adf489064ca8081a8bf5487c47d753840e9c90bf5539f2b1b80813f730d70acd3faba7785183482d289e002688572dc0a3
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SSDEEP
3072:QaCXPpzS2vD6rhxJpvwgLrFxQTRvM74OjjbIYhg85ve:xCPZS4cxJpvwO/4GjbISg8F
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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Executes dropped EXE 2 IoCs
pid Process 1400 cadeaut 2592 cadeaut -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 2244 set thread context of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 1400 set thread context of 2592 1400 cadeaut 91 -
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 cadeaut Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cadeaut Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI cadeaut Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3044 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 3044 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found 2608 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 2608 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 3044 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 2592 cadeaut -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeShutdownPrivilege 2608 Process not Found Token: SeCreatePagefilePrivilege 2608 Process not Found -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2244 wrote to memory of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 2244 wrote to memory of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 2244 wrote to memory of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 2244 wrote to memory of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 2244 wrote to memory of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 2244 wrote to memory of 3044 2244 734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe 86 PID 1400 wrote to memory of 2592 1400 cadeaut 91 PID 1400 wrote to memory of 2592 1400 cadeaut 91 PID 1400 wrote to memory of 2592 1400 cadeaut 91 PID 1400 wrote to memory of 2592 1400 cadeaut 91 PID 1400 wrote to memory of 2592 1400 cadeaut 91 PID 1400 wrote to memory of 2592 1400 cadeaut 91 -
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\734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe"C:\Users\Admin\AppData\Local\Temp\734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2244 -
C:\Users\Admin\AppData\Local\Temp\734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe"C:\Users\Admin\AppData\Local\Temp\734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af.exe"2⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3044
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C:\Users\Admin\AppData\Roaming\cadeautC:\Users\Admin\AppData\Roaming\cadeaut1⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1400 -
C:\Users\Admin\AppData\Roaming\cadeautC:\Users\Admin\AppData\Roaming\cadeaut2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2592
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
293KB
MD5486ecdc9522e173d5cdef07bf7c22622
SHA1efe7a2cf5a4271a3f76fd2cab5139ff8d7e9e5f2
SHA256734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af
SHA512f2c493fce94e5865315f05b6de3105adf489064ca8081a8bf5487c47d753840e9c90bf5539f2b1b80813f730d70acd3faba7785183482d289e002688572dc0a3
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Filesize
293KB
MD5486ecdc9522e173d5cdef07bf7c22622
SHA1efe7a2cf5a4271a3f76fd2cab5139ff8d7e9e5f2
SHA256734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af
SHA512f2c493fce94e5865315f05b6de3105adf489064ca8081a8bf5487c47d753840e9c90bf5539f2b1b80813f730d70acd3faba7785183482d289e002688572dc0a3
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Filesize
293KB
MD5486ecdc9522e173d5cdef07bf7c22622
SHA1efe7a2cf5a4271a3f76fd2cab5139ff8d7e9e5f2
SHA256734c300338f40643967931a824822684721d02b80912b7066814a7802eff06af
SHA512f2c493fce94e5865315f05b6de3105adf489064ca8081a8bf5487c47d753840e9c90bf5539f2b1b80813f730d70acd3faba7785183482d289e002688572dc0a3