Analysis
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max time kernel
300s -
max time network
127s -
platform
windows7_x64 -
resource
win7-20230831-en -
resource tags
arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system -
submitted
23/09/2023, 00:37
Static task
static1
Behavioral task
behavioral1
Sample
d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe
Resource
win10-20230915-en
General
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Target
d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe
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Size
186KB
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MD5
f84d9531222b555aad876986d97c897c
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SHA1
5819b4fba849f0e021c5f007f911bd3f56b8bc2a
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SHA256
d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f
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SHA512
4c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31
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SSDEEP
3072:IBEm/XJIGXi/lwQ+RwfW3lBniuFGUzA370J0ga5V:liXJIQsB+Rwu3XnPUUM380P
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://gudintas.at/tmp/
http://pik96.ru/tmp/
http://rosatiauto.com/tmp/
http://kingpirate.ru/tmp/
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
pid Process 1336 Process not Found -
Executes dropped EXE 1 IoCs
pid Process 2484 btdsubi -
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 d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI btdsubi Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI btdsubi Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI btdsubi -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2408 d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe 2408 d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found 1336 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1336 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2408 d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe 2484 btdsubi -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1336 Process not Found -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1336 Process not Found 1336 Process not Found -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1336 Process not Found 1336 Process not Found -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 2516 wrote to memory of 2484 2516 taskeng.exe 31 PID 2516 wrote to memory of 2484 2516 taskeng.exe 31 PID 2516 wrote to memory of 2484 2516 taskeng.exe 31 PID 2516 wrote to memory of 2484 2516 taskeng.exe 31 -
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\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe"C:\Users\Admin\AppData\Local\Temp\d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2408
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C:\Windows\system32\taskeng.exetaskeng.exe {3A6C3C67-931B-4F29-B277-5503DF772455} S-1-5-21-3513876443-2771975297-1923446376-1000:GPFFWLPI\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2516 -
C:\Users\Admin\AppData\Roaming\btdsubiC:\Users\Admin\AppData\Roaming\btdsubi2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
PID:2484
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
186KB
MD5f84d9531222b555aad876986d97c897c
SHA15819b4fba849f0e021c5f007f911bd3f56b8bc2a
SHA256d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f
SHA5124c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31
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Filesize
186KB
MD5f84d9531222b555aad876986d97c897c
SHA15819b4fba849f0e021c5f007f911bd3f56b8bc2a
SHA256d776c69b12a9a00498f9a912cf1d888fe092c3eeb31b9736736607d3b1601c5f
SHA5124c30058d9ef4fd49880f73ec0a61da5da85640d6b6c6662b1fc4d5c2f9003d42f219bfc54d48eb5d0da30badafc0121f7428a6218104806b923258c3c83ceb31