Analysis
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max time kernel
150s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20230703-en -
resource tags
arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system -
submitted
14/07/2023, 11:54
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.FileRepMalware.16560.22720.exe
Resource
win7-20230712-en
Behavioral task
behavioral2
Sample
SecuriteInfo.com.FileRepMalware.16560.22720.exe
Resource
win10v2004-20230703-en
General
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Target
SecuriteInfo.com.FileRepMalware.16560.22720.exe
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Size
703KB
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MD5
a8a27695f1bc25512354f2c6b5e9d037
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SHA1
d39c5146f3560a6d55657eaa384a8794e25c97ad
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SHA256
4365ff3c93ee1faa413ab7cf6838884c449053479d3039e995a6cdfe590125e4
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SHA512
58e1eb8588514730e5727c684839f35e45390c429e52514d8394d607a332cc8b3be7a733f3dbc856c696d55607d1073289c8dca2d0bc30d1c46de640c262a913
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SSDEEP
12288:/fyw2ahjxbe1SORR84Rl7hChlA4aEISAe43v:/6NanbivDChdrnXm
Malware Config
Extracted
smokeloader
2022
http://cletonmy.com/
http://alpatrik.com/
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Checks QEMU agent file 2 TTPs 2 IoCs
Checks presence of QEMU agent, possibly to detect virtualization.
description ioc Process File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe SecuriteInfo.com.FileRepMalware.16560.22720.exe File opened (read-only) C:\Program Files\Qemu-ga\qemu-ga.exe SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Loads dropped DLL 1 IoCs
pid Process 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Drops file in System32 directory 3 IoCs
description ioc Process File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{E8915A10-9613-4045-9AC5-45DC3AA3F663}.catalogItem svchost.exe File created C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat svchost.exe File opened for modification C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat svchost.exe -
Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
pid Process 3500 SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
pid Process 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 3500 SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 640 set thread context of 3500 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 95 -
Drops file in Program Files directory 1 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Common Files\sansningerne.Unc SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Drops file in Windows directory 2 IoCs
description ioc Process File opened for modification C:\Windows\resources\0409\Katje\falsebenet\Bike\Angivende.ini SecuriteInfo.com.FileRepMalware.16560.22720.exe File opened for modification C:\Windows\resources\0409\Hovedgaarde.For SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI SecuriteInfo.com.FileRepMalware.16560.22720.exe Key queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI SecuriteInfo.com.FileRepMalware.16560.22720.exe Key enumerated \REGISTRY\MACHINE\SYSTEM\ControlSet001\Enum\SCSI SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString svchost.exe -
Enumerates system info in registry 2 TTPs 2 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS svchost.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU svchost.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 3500 SecuriteInfo.com.FileRepMalware.16560.22720.exe 3500 SecuriteInfo.com.FileRepMalware.16560.22720.exe 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found 3168 Process not Found -
Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 3168 Process not Found -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 3500 SecuriteInfo.com.FileRepMalware.16560.22720.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 640 wrote to memory of 3500 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 95 PID 640 wrote to memory of 3500 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 95 PID 640 wrote to memory of 3500 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 95 PID 640 wrote to memory of 3500 640 SecuriteInfo.com.FileRepMalware.16560.22720.exe 95 -
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\SecuriteInfo.com.FileRepMalware.16560.22720.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.16560.22720.exe"1⤵
- Checks QEMU agent file
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:640 -
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.16560.22720.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.FileRepMalware.16560.22720.exe"2⤵
- Checks QEMU agent file
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
PID:3500
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:5056
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
11KB
MD5375e8a08471dc6f85f3828488b1147b3
SHA11941484ac710fc301a7d31d6f1345e32a21546af
SHA2564c86b238e64ecfaabe322a70fd78db229a663ccc209920f3385596a6e3205f78
SHA5125ba29db13723ddf27b265a4548606274b850d076ae1f050c64044f8ccd020585ad766c85c3e20003a22f356875f76fb3679c89547b0962580d8e5a42b082b9a8
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Filesize
14KB
MD5c01eaa0bdcd7c30a42bbb35a9acbf574
SHA10aee3e1b873e41d040f1991819d0027b6cc68f54
SHA25632297224427103aa1834dba276bf5d49cd5dd6bda0291422e47ad0d0706c6d40
SHA512d26ff775ad39425933cd3df92209faa53ec5b701e65bfbcccc64ce8dd3e79f619a9bad7cc975a98a95f2006ae89e50551877fc315a3050e48d5ab89e0802e2b7
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C:\Windows\System32\config\systemprofile\AppData\Local\Microsoft\InstallAgent\Checkpoints\9NCBCSZSJRSB.dat
Filesize29KB
MD5fcf69b7c66858ca81004756f45598f76
SHA13daed9d03545261f5ecc3f95e3069f57b6256c80
SHA25643e7c454dafb6c635980c1074fd8308755a241a69d8abb7c1b382a01db6866e1
SHA512659914f01c9bc4e4df73c2c26950e19d73f80f9cea417939cc599ed51b3ce895a001224677db03bd61c5b16bfb32de50803e2f5305216f8bc0e75709ae799c37