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Analysis
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max time kernel
300s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20230712-en -
resource tags
arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system -
submitted
21/08/2023, 03:45
Static task
static1
Behavioral task
behavioral1
Sample
931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe
Resource
win10-20230703-en
General
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Target
931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe
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Size
216KB
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MD5
30d35fdeffca7c09516a4dc81b28bd2a
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SHA1
f9214fed0e0ff84289418fb1df55f2ccdd7b3373
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SHA256
931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a
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SHA512
770fcd37fa937dcadc93808fb4419591941b68e5097e044fb207a8da9822ad3cc534c680998b625d3ce3166b9edb6890d16d966dcf20fb299ab371889a7e0370
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SSDEEP
3072:4DaaPugLWW94WKnIzjjpeM8PIiKRydNtjr+Ac:zgLv4tIHjpeM8uEjr+
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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Deletes itself 1 IoCs
pid Process 1268 Process not Found -
Executes dropped EXE 2 IoCs
pid Process 2344 sfftjcw 2160 sfftjcw -
Loads dropped DLL 1 IoCs
pid Process 2344 sfftjcw -
Suspicious use of SetThreadContext 2 IoCs
description pid Process procid_target PID 1524 set thread context of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 2344 set thread context of 2160 2344 sfftjcw 33 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 2012 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 2012 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found 1268 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 1268 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 2012 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 2160 sfftjcw -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeShutdownPrivilege 1268 Process not Found -
Suspicious use of WriteProcessMemory 18 IoCs
description pid Process procid_target PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 1524 wrote to memory of 2012 1524 931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe 28 PID 2836 wrote to memory of 2344 2836 taskeng.exe 32 PID 2836 wrote to memory of 2344 2836 taskeng.exe 32 PID 2836 wrote to memory of 2344 2836 taskeng.exe 32 PID 2836 wrote to memory of 2344 2836 taskeng.exe 32 PID 2344 wrote to memory of 2160 2344 sfftjcw 33 PID 2344 wrote to memory of 2160 2344 sfftjcw 33 PID 2344 wrote to memory of 2160 2344 sfftjcw 33 PID 2344 wrote to memory of 2160 2344 sfftjcw 33 PID 2344 wrote to memory of 2160 2344 sfftjcw 33 PID 2344 wrote to memory of 2160 2344 sfftjcw 33 PID 2344 wrote to memory of 2160 2344 sfftjcw 33
Processes
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C:\Users\Admin\AppData\Local\Temp\931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe"C:\Users\Admin\AppData\Local\Temp\931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1524 -
C:\Users\Admin\AppData\Local\Temp\931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe"C:\Users\Admin\AppData\Local\Temp\931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:2012
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C:\Windows\system32\taskeng.exetaskeng.exe {0DB16CDD-5149-44F0-8F3E-CCF0A2850D7C} S-1-5-21-2969888527-3102471180-2307688834-1000:YKQDESCX\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
PID:2836 -
C:\Users\Admin\AppData\Roaming\sfftjcwC:\Users\Admin\AppData\Roaming\sfftjcw2⤵
- Executes dropped EXE
- Loads dropped DLL
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:2344 -
C:\Users\Admin\AppData\Roaming\sfftjcwC:\Users\Admin\AppData\Roaming\sfftjcw3⤵
- Executes dropped EXE
- Suspicious behavior: MapViewOfSection
PID:2160
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Network
MITRE ATT&CK Matrix
Replay Monitor
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Downloads
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Filesize
216KB
MD530d35fdeffca7c09516a4dc81b28bd2a
SHA1f9214fed0e0ff84289418fb1df55f2ccdd7b3373
SHA256931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a
SHA512770fcd37fa937dcadc93808fb4419591941b68e5097e044fb207a8da9822ad3cc534c680998b625d3ce3166b9edb6890d16d966dcf20fb299ab371889a7e0370
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Filesize
216KB
MD530d35fdeffca7c09516a4dc81b28bd2a
SHA1f9214fed0e0ff84289418fb1df55f2ccdd7b3373
SHA256931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a
SHA512770fcd37fa937dcadc93808fb4419591941b68e5097e044fb207a8da9822ad3cc534c680998b625d3ce3166b9edb6890d16d966dcf20fb299ab371889a7e0370
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Filesize
216KB
MD530d35fdeffca7c09516a4dc81b28bd2a
SHA1f9214fed0e0ff84289418fb1df55f2ccdd7b3373
SHA256931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a
SHA512770fcd37fa937dcadc93808fb4419591941b68e5097e044fb207a8da9822ad3cc534c680998b625d3ce3166b9edb6890d16d966dcf20fb299ab371889a7e0370
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Filesize
216KB
MD530d35fdeffca7c09516a4dc81b28bd2a
SHA1f9214fed0e0ff84289418fb1df55f2ccdd7b3373
SHA256931d05ea59f0f22fedce87afe0e53b7c81e72d4375d8273f78199509eb47872a
SHA512770fcd37fa937dcadc93808fb4419591941b68e5097e044fb207a8da9822ad3cc534c680998b625d3ce3166b9edb6890d16d966dcf20fb299ab371889a7e0370