Analysis
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max time kernel
73s -
max time network
76s -
platform
windows7_x64 -
resource
win7-20220901-en -
resource tags
arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system -
submitted
30-11-2022 17:49
Behavioral task
behavioral1
Sample
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe
Resource
win7-20220901-en
General
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Target
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe
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Size
4.7MB
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MD5
f1bb608fc3469071c9e53176a8ed4b1c
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SHA1
ce2566f17c0122c98aeb641cee58be6aa1713bf9
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SHA256
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45
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SHA512
d2c848e16bb5654a429918bf2ac3f4703beed3593e53be2b1e0b397fe8a1772245ff7dce7faedb9d23fe8d84d152f1aa91dcfcf5f8fd9323d7f8a9683608cf04
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SSDEEP
98304:Hziv6BKfqznyVk+y4LxwpYizyk1VuXNR2lD9tDoe1NGdWrzrzmYrK:mv6B7VYDk1VuTm9xoe+on
Malware Config
Signatures
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Taurus Stealer payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1304-60-0x0000000000040000-0x00000000009E2000-memory.dmp family_taurus_stealer behavioral1/memory/1304-61-0x0000000000040000-0x00000000009E2000-memory.dmp family_taurus_stealer behavioral1/memory/1304-64-0x0000000000040000-0x00000000009E2000-memory.dmp family_taurus_stealer behavioral1/memory/1304-63-0x0000000000040000-0x00000000009E2000-memory.dmp family_taurus_stealer behavioral1/memory/1304-65-0x0000000000040000-0x00000000009E2000-memory.dmp family_taurus_stealer behavioral1/memory/1304-69-0x0000000000040000-0x00000000009E2000-memory.dmp family_taurus_stealer -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe -
Deletes itself 1 IoCs
Processes:
cmd.exepid process 1832 cmd.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 behavioral1/memory/1304-54-0x0000000000040000-0x00000000009E2000-memory.dmp themida behavioral1/memory/1304-60-0x0000000000040000-0x00000000009E2000-memory.dmp themida behavioral1/memory/1304-61-0x0000000000040000-0x00000000009E2000-memory.dmp themida behavioral1/memory/1304-64-0x0000000000040000-0x00000000009E2000-memory.dmp themida behavioral1/memory/1304-63-0x0000000000040000-0x00000000009E2000-memory.dmp themida behavioral1/memory/1304-65-0x0000000000040000-0x00000000009E2000-memory.dmp themida behavioral1/memory/1304-69-0x0000000000040000-0x00000000009E2000-memory.dmp themida -
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:
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exepid process 1304 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe -
Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1956 timeout.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.execmd.exedescription pid process target process PID 1304 wrote to memory of 1832 1304 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe cmd.exe PID 1304 wrote to memory of 1832 1304 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe cmd.exe PID 1304 wrote to memory of 1832 1304 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe cmd.exe PID 1304 wrote to memory of 1832 1304 954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe cmd.exe PID 1832 wrote to memory of 1956 1832 cmd.exe timeout.exe PID 1832 wrote to memory of 1956 1832 cmd.exe timeout.exe PID 1832 wrote to memory of 1956 1832 cmd.exe timeout.exe PID 1832 wrote to memory of 1956 1832 cmd.exe timeout.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe"C:\Users\Admin\AppData\Local\Temp\954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\cmd.exe/c timeout /t 3 & del /f /q C:\Users\Admin\AppData\Local\Temp\954f8c802c2dff2bcd7712c2a7a89b1f566eb76d347a7f9cb3b4a2a21832dd45.exe2⤵
- Deletes itself
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\timeout.exetimeout /t 33⤵
- Delays execution with timeout.exe
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/1304-63-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-59-0x00000000762E1000-0x00000000762E3000-memory.dmpFilesize
8KB
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memory/1304-60-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-61-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-62-0x0000000077B70000-0x0000000077CF0000-memory.dmpFilesize
1.5MB
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memory/1304-64-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-54-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-65-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-66-0x0000000077B70000-0x0000000077CF0000-memory.dmpFilesize
1.5MB
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memory/1304-69-0x0000000000040000-0x00000000009E2000-memory.dmpFilesize
9.6MB
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memory/1304-70-0x0000000077B70000-0x0000000077CF0000-memory.dmpFilesize
1.5MB
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memory/1832-67-0x0000000000000000-mapping.dmp
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memory/1956-68-0x0000000000000000-mapping.dmp