Analysis
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max time kernel
150s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
02-04-2024 13:07
Static task
static1
Behavioral task
behavioral1
Sample
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe
Resource
win7-20231129-en
Behavioral task
behavioral2
Sample
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe
Resource
win10v2004-20240226-en
General
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Target
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe
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Size
303KB
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MD5
ceaa361db12c482e95a8b83e2de2af2f
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SHA1
7288d4cfcea6a4e478354bb15f06d3af82ec9cfc
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SHA256
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593
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SHA512
94ca0bc39bbdc92672215daf4df1c9d5d9e288bb6097eb8a147bf3816dda1b992d971faa39ed0ee5daf1e4b2cbeaf3ff5a683834e66d47c474f6591d711a0fbb
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SSDEEP
3072:ZQzJkBHCgU0lpcWt+sNX2VYXSjNr6gYatNEnZnKZI6DOZWCwbUcP1KS:EkBPmWtt2rZYzyI6DOUCwb1Pw
Malware Config
Extracted
smokeloader
pub3
Extracted
smokeloader
2022
http://nidoe.org/tmp/index.php
http://sodez.ru/tmp/index.php
http://uama.com.ua/tmp/index.php
http://talesofpirates.net/tmp/index.php
Signatures
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Deletes itself 1 IoCs
Processes:
pid process 1380 -
Executes dropped EXE 1 IoCs
Processes:
jwvsttwpid process 1640 jwvsttw -
Checks SCSI registry key(s) 3 TTPs 6 IoCs
SCSI information is often read in order to detect sandboxing environments.
Processes:
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exejwvsttwdescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI 1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jwvsttw Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jwvsttw Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI jwvsttw -
Suspicious behavior: EnumeratesProcesses 64 IoCs
Processes:
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exepid process 824 1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe 824 1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 1380 -
Suspicious behavior: MapViewOfSection 2 IoCs
Processes:
1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exejwvsttwpid process 824 1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe 1640 jwvsttw -
Suspicious use of FindShellTrayWindow 2 IoCs
Processes:
pid process 1380 1380 -
Suspicious use of SendNotifyMessage 2 IoCs
Processes:
pid process 1380 1380 -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
taskeng.exedescription pid process target process PID 2088 wrote to memory of 1640 2088 taskeng.exe jwvsttw PID 2088 wrote to memory of 1640 2088 taskeng.exe jwvsttw PID 2088 wrote to memory of 1640 2088 taskeng.exe jwvsttw PID 2088 wrote to memory of 1640 2088 taskeng.exe jwvsttw
Processes
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C:\Users\Admin\AppData\Local\Temp\1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe"C:\Users\Admin\AppData\Local\Temp\1efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Windows\system32\taskeng.exetaskeng.exe {60F2401A-0DE0-44BE-8541-433B2205845A} S-1-5-21-3627615824-4061627003-3019543961-1000:SCFGBRBT\Admin:Interactive:[1]1⤵
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\jwvsttwC:\Users\Admin\AppData\Roaming\jwvsttw2⤵
- Executes dropped EXE
- Checks SCSI registry key(s)
- Suspicious behavior: MapViewOfSection
Network
MITRE ATT&CK Matrix ATT&CK v13
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\jwvsttwFilesize
303KB
MD5ceaa361db12c482e95a8b83e2de2af2f
SHA17288d4cfcea6a4e478354bb15f06d3af82ec9cfc
SHA2561efbc80ffd55c78287134a11add66b10bf7b2cd724913721a7f305d483050593
SHA51294ca0bc39bbdc92672215daf4df1c9d5d9e288bb6097eb8a147bf3816dda1b992d971faa39ed0ee5daf1e4b2cbeaf3ff5a683834e66d47c474f6591d711a0fbb
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memory/824-2-0x00000000001B0000-0x00000000001BB000-memory.dmpFilesize
44KB
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memory/824-1-0x0000000000250000-0x0000000000350000-memory.dmpFilesize
1024KB
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memory/824-3-0x0000000000400000-0x0000000000AF4000-memory.dmpFilesize
7.0MB
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memory/824-5-0x0000000000400000-0x0000000000AF4000-memory.dmpFilesize
7.0MB
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memory/1380-4-0x0000000002A50000-0x0000000002A66000-memory.dmpFilesize
88KB
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memory/1380-16-0x0000000002EC0000-0x0000000002ED6000-memory.dmpFilesize
88KB
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memory/1640-14-0x0000000000C00000-0x0000000000D00000-memory.dmpFilesize
1024KB
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memory/1640-15-0x0000000000400000-0x0000000000AF4000-memory.dmpFilesize
7.0MB
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memory/1640-19-0x0000000000400000-0x0000000000AF4000-memory.dmpFilesize
7.0MB