Analysis
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max time kernel
121s -
max time network
123s -
platform
windows7_x64 -
resource
win7-20231129-en -
resource tags
arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system -
submitted
15-06-2024 21:10
Behavioral task
behavioral1
Sample
Bald.Win_New_Temp_Swoofer.exe
Resource
win7-20231129-en
7 signatures
150 seconds
General
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Target
Bald.Win_New_Temp_Swoofer.exe
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Size
4.6MB
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MD5
76761b94d0187562e9acc8feb0d36111
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SHA1
40d118971e1c9e1e96264b23772ba0ec5e159a0c
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SHA256
d02f513e1673e5012e916fad43e0672ee0ff9cdfbc0733401b9b8fd4bd88d1f3
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SHA512
d48731994aae2c6f7b86edf22f843913568ade13e482154b71798c7b37b62e617c0f6960b3c9ba8db5c70d173ff0ef864f9c2467d7db6fb5d617a88a301c1423
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SSDEEP
98304:L/hllE2G7C2b9cH1UWzfW4Npy2K176ylIqdF8J8mK98wbRNVGllXLTPhCPzH00pE:LxlCcH1BSBvrltsY9jDqXLVaL7u
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
Bald.Win_New_Temp_Swoofer.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Bald.Win_New_Temp_Swoofer.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
Bald.Win_New_Temp_Swoofer.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Bald.Win_New_Temp_Swoofer.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Bald.Win_New_Temp_Swoofer.exe -
Processes:
resource yara_rule behavioral1/memory/2784-0-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-2-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-3-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-4-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-7-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-6-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-5-0x000000013F910000-0x000000014060B000-memory.dmp themida behavioral1/memory/2784-9-0x000000013F910000-0x000000014060B000-memory.dmp themida -
Processes:
Bald.Win_New_Temp_Swoofer.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Bald.Win_New_Temp_Swoofer.exe -
Drops file in System32 directory 1 IoCs
Processes:
Bald.Win_New_Temp_Swoofer.exedescription ioc process File created C:\Windows\System32\WindowsDSEProtectionSoft.dll Bald.Win_New_Temp_Swoofer.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
Bald.Win_New_Temp_Swoofer.exepid process 2784 Bald.Win_New_Temp_Swoofer.exe -
Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes:
Bald.Win_New_Temp_Swoofer.exepid process 2784 Bald.Win_New_Temp_Swoofer.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Bald.Win_New_Temp_Swoofer.exe"C:\Users\Admin\AppData\Local\Temp\Bald.Win_New_Temp_Swoofer.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2784
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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memory/2784-0-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-1-0x0000000077C10000-0x0000000077C12000-memory.dmpFilesize
8KB
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memory/2784-2-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-3-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-4-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-7-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-6-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-5-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB
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memory/2784-10-0x0000000077BC0000-0x0000000077D69000-memory.dmpFilesize
1.7MB
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memory/2784-9-0x000000013F910000-0x000000014060B000-memory.dmpFilesize
13.0MB