Analysis
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max time kernel
148s -
max time network
32s -
platform
windows7_x64 -
resource
win7-20230220-en -
resource tags
arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system -
submitted
21-03-2023 14:34
Static task
static1
Behavioral task
behavioral1
Sample
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe
Resource
win7-20230220-en
General
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Target
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe
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Size
6.8MB
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MD5
ca6b1b3b00d1bdccb7cc73255bc97329
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SHA1
88923d5bf5f29cab5fe3ac66459bc94d709b06a1
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SHA256
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1
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SHA512
fd92162cb9fc5f0a22e25b17cf9386034121af061b821531823292778978f7f44c2e51a7eadc07e902560ec8cffd389a40dd32649ffe3782fbf956dc293224b3
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SSDEEP
196608:V09b1yxhIsD1xLyVUZIBZjUQHQ8dq9XvjUQ:V09bsBvy2GjeV
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
Processes:
uptorn.exeDpEditor.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ uptorn.exe Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ DpEditor.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
DpEditor.exeuptorn.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion uptorn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion uptorn.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1512 cmd.exe -
Executes dropped EXE 2 IoCs
Processes:
uptorn.exeDpEditor.exepid process 924 uptorn.exe 1452 DpEditor.exe -
Loads dropped DLL 2 IoCs
Processes:
cmd.exeuptorn.exepid process 1104 cmd.exe 924 uptorn.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Processes:
resource yara_rule \Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exe themida C:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exe themida C:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exe themida behavioral1/memory/924-154-0x0000000000990000-0x000000000107B000-memory.dmp themida behavioral1/memory/924-153-0x0000000000990000-0x000000000107B000-memory.dmp themida behavioral1/memory/924-155-0x0000000000990000-0x000000000107B000-memory.dmp themida behavioral1/memory/924-156-0x0000000000990000-0x000000000107B000-memory.dmp themida behavioral1/memory/924-157-0x0000000000990000-0x000000000107B000-memory.dmp themida behavioral1/memory/924-158-0x0000000000990000-0x000000000107B000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/924-163-0x0000000000990000-0x000000000107B000-memory.dmp themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1452-165-0x0000000000C50000-0x000000000133B000-memory.dmp themida behavioral1/memory/1452-166-0x0000000000C50000-0x000000000133B000-memory.dmp themida behavioral1/memory/1452-167-0x0000000000C50000-0x000000000133B000-memory.dmp themida behavioral1/memory/1452-168-0x0000000000C50000-0x000000000133B000-memory.dmp themida behavioral1/memory/1452-169-0x0000000000C50000-0x000000000133B000-memory.dmp themida behavioral1/memory/1452-170-0x0000000000C50000-0x000000000133B000-memory.dmp themida behavioral1/memory/1452-171-0x0000000000C50000-0x000000000133B000-memory.dmp themida -
Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Processes:
uptorn.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA uptorn.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DpEditor.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
Processes:
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exedescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\services\Disk\Enum\0 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
uptorn.exeDpEditor.exepid process 924 uptorn.exe 1452 DpEditor.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exedescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 2024 timeout.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1452 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
Processes:
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exeuptorn.exeDpEditor.exepid process 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe 924 uptorn.exe 1452 DpEditor.exe -
Suspicious use of WriteProcessMemory 20 IoCs
Processes:
23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.execmd.execmd.exeuptorn.exedescription pid process target process PID 1684 wrote to memory of 1104 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1104 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1104 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1104 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1512 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1512 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1512 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1684 wrote to memory of 1512 1684 23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe cmd.exe PID 1104 wrote to memory of 924 1104 cmd.exe uptorn.exe PID 1104 wrote to memory of 924 1104 cmd.exe uptorn.exe PID 1104 wrote to memory of 924 1104 cmd.exe uptorn.exe PID 1104 wrote to memory of 924 1104 cmd.exe uptorn.exe PID 1512 wrote to memory of 2024 1512 cmd.exe timeout.exe PID 1512 wrote to memory of 2024 1512 cmd.exe timeout.exe PID 1512 wrote to memory of 2024 1512 cmd.exe timeout.exe PID 1512 wrote to memory of 2024 1512 cmd.exe timeout.exe PID 924 wrote to memory of 1452 924 uptorn.exe DpEditor.exe PID 924 wrote to memory of 1452 924 uptorn.exe DpEditor.exe PID 924 wrote to memory of 1452 924 uptorn.exe DpEditor.exe PID 924 wrote to memory of 1452 924 uptorn.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe"C:\Users\Admin\AppData\Local\Temp\23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe"1⤵
- Maps connected drives based on registry
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c C:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exe2⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exeC:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exe3⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"4⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Executes dropped EXE
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\SysWOW64\cmd.exe"C:\Windows\System32\cmd.exe" /c timeout -t 5 && del "C:\Users\Admin\AppData\Local\Temp\23e3550cb43e9362251d56005e3c961c426d8e065ff2f2123f457e217415f6c1.exe"2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout -t 53⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\656E.tmpFilesize
32B
MD59007aba6f5ee53a482249147787479b2
SHA14ac87bdc6d0eb472030d4f70d9aa265d7fdcb730
SHA2569e1905de40a93ef8708e59f3861320b915c8cd029c7614d92cb526407d4cca0f
SHA512ff645e2a70960ce438921c2dd1eaec811facf54a865b5977b9f8d1327ac2a499a99d42df80b9cb75ff8b4e7746194d4748b49b27cda17832c59d90091b5584fb
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C:\Users\Admin\AppData\Local\Temp\662D.tmpFilesize
71KB
MD5dfeffc3924409d9c9d3c8cae05be922b
SHA1a89046cbf54c00e17ff0a5f3e1a8f01eb399bce4
SHA25606ea3ad1c1c1067bfdfaa5ad8a91632fac6cad9776ded85fa65d3b6181d89be6
SHA512d9614ecf528a2bf48cafe99a4c54d5c9f3656d628001fbf575d367d5ad8008cf30a58a7b3d9489d8534064442df89a7263df4a91d0863dcd6cc33574c576da33
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C:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exeFilesize
2.7MB
MD5c958ae268c1966cdce74530648a61e99
SHA1704274ad1b508f7dcc2839519030ac9ff6f66a20
SHA256cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245
SHA512ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae
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C:\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exeFilesize
2.7MB
MD5c958ae268c1966cdce74530648a61e99
SHA1704274ad1b508f7dcc2839519030ac9ff6f66a20
SHA256cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245
SHA512ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.7MB
MD5c958ae268c1966cdce74530648a61e99
SHA1704274ad1b508f7dcc2839519030ac9ff6f66a20
SHA256cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245
SHA512ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae
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\Users\Admin\AppData\Roaming\44B0BD7DE16453EE\uptorn.exeFilesize
2.7MB
MD5c958ae268c1966cdce74530648a61e99
SHA1704274ad1b508f7dcc2839519030ac9ff6f66a20
SHA256cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245
SHA512ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae
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\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeFilesize
2.7MB
MD5c958ae268c1966cdce74530648a61e99
SHA1704274ad1b508f7dcc2839519030ac9ff6f66a20
SHA256cabce825f470146722193da1daaf7c14930ccc251362656a93885fdc4a51f245
SHA512ee582850228d0f608e41d626b2c2d74bc12e3ff15e10ed09da4ae128cd1717dfcfcb8b873e3abb1858ed959a327214e2cbf1d92c8bb1ebaf11159982db6c2cae
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memory/924-154-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/924-163-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/924-158-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/924-157-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/924-156-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/924-155-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/924-153-0x0000000000990000-0x000000000107B000-memory.dmpFilesize
6.9MB
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memory/1104-152-0x0000000001FC0000-0x00000000026AB000-memory.dmpFilesize
6.9MB
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memory/1452-165-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1452-171-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1452-170-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1452-169-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1452-168-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1452-167-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1452-166-0x0000000000C50000-0x000000000133B000-memory.dmpFilesize
6.9MB
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memory/1684-58-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1684-62-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1684-70-0x0000000000280000-0x0000000000281000-memory.dmpFilesize
4KB
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memory/1684-71-0x0000000000280000-0x0000000000281000-memory.dmpFilesize
4KB
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memory/1684-67-0x0000000000270000-0x0000000000271000-memory.dmpFilesize
4KB
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memory/1684-68-0x0000000000270000-0x0000000000271000-memory.dmpFilesize
4KB
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memory/1684-65-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/1684-64-0x0000000000260000-0x0000000000261000-memory.dmpFilesize
4KB
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memory/1684-54-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1684-61-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1684-56-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1684-55-0x0000000000230000-0x0000000000231000-memory.dmpFilesize
4KB
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memory/1684-74-0x0000000000290000-0x0000000000291000-memory.dmpFilesize
4KB
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memory/1684-57-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1684-59-0x0000000000240000-0x0000000000241000-memory.dmpFilesize
4KB
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memory/1684-60-0x0000000000250000-0x0000000000251000-memory.dmpFilesize
4KB
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memory/1684-75-0x0000000000400000-0x0000000000F02000-memory.dmpFilesize
11.0MB
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memory/1684-73-0x0000000000290000-0x0000000000291000-memory.dmpFilesize
4KB