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Analysis
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max time kernel
152s -
max time network
156s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
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submitted
15/01/2024, 05:33
General
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Target
toolspub1.exe
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Size
204KB
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MD5
1312fc2e043e2347c3de8a9a6907c430
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SHA1
075a04bc32a70aeedb23ee83842dd32fe691ba58
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SHA256
4b3f4607405154b8182848324699427778605dd52afabaff7a0fd542a4bc9212
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SHA512
108be06b849ded957240b52b006961f4bb01a9684ac0f2a81d70008f9b3a6cf1c2ee657cfe5ea6f566772735dabbc1c505342f37df6985296ddcebf3e917694f
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SSDEEP
3072:EkI0nM3Jq/AmlEkJiAj1K/2stqLiP+k9IYBn7Q97fsRLx8yM+cmk:EkICXlETZ2kx7QoxJcL
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Signatures
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BetaBot
Beta Bot is a Trojan that infects computers and disables Antivirus.
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Modifies firewall policy service 2 TTPs 4 IoCs
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SmokeLoader
Modular backdoor trojan in use since 2014.
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Looks for VMWare services registry key. 1 TTPs 1 IoCs
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Sets file execution options in registry 2 TTPs 4 IoCs
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Checks BIOS information in registry 2 TTPs 1 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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Deletes itself 1 IoCs
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Executes dropped EXE 3 IoCs
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Loads dropped DLL 2 IoCs
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Adds Run key to start application 2 TTPs 2 IoCs
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Checks whether UAC is enabled 1 TTPs 2 IoCs
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Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of NtSetInformationThreadHideFromDebugger 8 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
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NSIS installer 3 IoCs
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Checks SCSI registry key(s) 3 TTPs 3 IoCs
SCSI information is often read in order to detect sandboxing environments.
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Checks processor information in registry 2 TTPs 4 IoCs
Processor information is often read in order to detect sandboxing environments.
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Enumerates system info in registry 2 TTPs 2 IoCs
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Modifies Internet Explorer Protected Mode 1 TTPs 4 IoCs
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Modifies Internet Explorer Protected Mode Banner 1 TTPs 1 IoCs
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Modifies Internet Explorer settings 1 TTPs 1 IoCs
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Suspicious behavior: EnumeratesProcesses 64 IoCs
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Suspicious behavior: MapViewOfSection 5 IoCs
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Suspicious use of AdjustPrivilegeToken 30 IoCs
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Suspicious use of UnmapMainImage 1 IoCs
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Suspicious use of WriteProcessMemory 16 IoCs
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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\toolspub1.exe"C:\Users\Admin\AppData\Local\Temp\toolspub1.exe"1⤵
- Checks SCSI registry key(s)
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
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C:\Users\Admin\AppData\Local\Temp\15E4.exeC:\Users\Admin\AppData\Local\Temp\15E4.exe1⤵
- Sets file execution options in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\explorer.exeC:\Windows\SysWOW64\explorer.exe2⤵
- Modifies firewall policy service
- Sets file execution options in registry
- Checks BIOS information in registry
- Adds Run key to start application
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Checks processor information in registry
- Enumerates system info in registry
- Modifies Internet Explorer Protected Mode
- Modifies Internet Explorer Protected Mode Banner
- Modifies Internet Explorer settings
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2424 -s 11643⤵
- Program crash
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C:\Users\Admin\AppData\Local\Temp\2372.exeC:\Users\Admin\AppData\Local\Temp\2372.exe1⤵
- Checks computer location settings
- Executes dropped EXE
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"C:\Users\Admin\AppData\Local\Temp\WindowsUpdater.exe"2⤵
- Looks for VMWare services registry key.
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Maps connected drives based on registry
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2424 -ip 24241⤵
Network
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
360KB
MD580c413180b6bd0dd664adc4e0665b494
SHA1e791e4a3391fc6b7bcb58399cd4fa3c52a06b940
SHA2566d99cec56614b6b8a23dfa84a50c6bbfde535411c6366ac2bcc20c9f5af62880
SHA512347f4ae6f308b37d055a6177478e45ab3838d7020abed70c7aa138d2c3771e709de204da8550aebdcaa6139d869dc7328cc7e645c4dd48d1066f9ad70225644a
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Filesize
5.6MB
MD5f7c6d870f0de20c40388b493d2b315d2
SHA11b25397776ae0481184f151ec3e608f3b65ac8e6
SHA2564e07a3356bb6ffaa23224884b2ec5d79b6f956acc186475adac89867c0d623d9
SHA5120619a22579ee70745034c547c53180d4319c3dc5db326dfecc275cd3b3025f354a3e6fac093a925611a5e0cca5ff9dbcfbfe246d376bb173829f332b670f5655
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Filesize
2.2MB
MD50badb0e573d95db49ac23c11163d9386
SHA1d86dd20e4498ba5576272df07cd71dd9ed40bf8d
SHA2565ebb608342d1306743d1ab56bb587b00d7e14737f5af48be3fa738a98cf29668
SHA512a83d397fdcf2b749aac8f1db38a991b06a70c58d21c84d09cd8a732ee744287e7d7d58edeb817006b6ee245ed313993a3280aea32fd4c5a079b4f960ab35eff8
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Filesize
2.2MB
MD5bc94fe5f3a7d234dceefa5a25c109358
SHA1eefd19123cb554bd975d9848eff08f195c7794bb
SHA256fdbd693e2a9eab791967e78eef8e1a3423c63b570d6fc8ccd9367be931c779c4
SHA512650632899edc1bce009244cf228500c26df33c2036f774f60529c10bf7b277a49d3e635846097cf2d821a54e066a07f5f6ef2be055e1054e8c4a1a938fad9c69
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Filesize
12KB
MD5dd87a973e01c5d9f8e0fcc81a0af7c7a
SHA1c9206ced48d1e5bc648b1d0f54cccc18bf643a14
SHA2567fb0f8d452fefaac789986b933df050f3d3e4feb8a8d9944ada995f572dcdca1
SHA5124910b39b1a99622ac8b3c42f173bbe7035ac2f8d40c946468e7db7e2868a2da81ea94da453857f06f39957dd690c7f1ba498936a7aaa0039975e472376f92e8f
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Filesize
408KB
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Filesize
4KB
-
Filesize
408KB
-
Filesize
372KB
-
Filesize
408KB
-
Filesize
52KB
-
Filesize
4KB
-
Filesize
408KB
-
Filesize
48KB
-
Filesize
408KB
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Filesize
4KB
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Filesize
5.6MB
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Filesize
784KB
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Filesize
5.6MB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
4.2MB
-
Filesize
4.2MB
-
Filesize
8KB
-
Filesize
4.2MB
-
Filesize
784KB
-
Filesize
88KB
-
Filesize
224KB
-
Filesize
1024KB
-
Filesize
224KB
-
Filesize
36KB
-
Filesize
36KB
-
Filesize
224KB
-
Filesize
4KB
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Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB
-
Filesize
784KB