Analysis
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max time kernel
122s -
max time network
122s -
platform
windows7_x64 -
resource
win7-en-20211014 -
submitted
03-12-2021 17:02
Static task
static1
Behavioral task
behavioral1
Sample
b0bfa71857896435455b4384a4904dd2.exe
Resource
win7-en-20211014
General
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Target
b0bfa71857896435455b4384a4904dd2.exe
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Size
2.8MB
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MD5
b0bfa71857896435455b4384a4904dd2
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SHA1
8336a87ff18d396c1bda1f59d0e5c9cd0c7e996f
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SHA256
f1625b7d5fbc31ce741aeaa3af8d20d7cc7d07d6652b3b873b26a6a81e70e32a
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SHA512
a330ef0ae0f2d48bc5a06202bf2b0c1aac672873dc9c6643a5215748a502302c063ef32357279fc65f16c8342e3f5810795475177cdf7e46bae30207da9b15fb
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Executes dropped EXE 1 IoCs
Processes:
DpEditor.exepid process 1480 DpEditor.exe -
Checks BIOS information in registry 2 TTPs 4 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
b0bfa71857896435455b4384a4904dd2.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b0bfa71857896435455b4384a4904dd2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b0bfa71857896435455b4384a4904dd2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion DpEditor.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion DpEditor.exe -
Loads dropped DLL 1 IoCs
Processes:
b0bfa71857896435455b4384a4904dd2.exepid process 1600 b0bfa71857896435455b4384a4904dd2.exe -
Processes:
resource yara_rule behavioral1/memory/1600-56-0x00000000008C0000-0x0000000001009000-memory.dmp themida behavioral1/memory/1600-57-0x00000000008C0000-0x0000000001009000-memory.dmp themida behavioral1/memory/1600-58-0x00000000008C0000-0x0000000001009000-memory.dmp themida behavioral1/memory/1600-59-0x00000000008C0000-0x0000000001009000-memory.dmp themida \Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe themida behavioral1/memory/1480-64-0x0000000000E50000-0x0000000001599000-memory.dmp themida behavioral1/memory/1480-65-0x0000000000E50000-0x0000000001599000-memory.dmp themida behavioral1/memory/1480-67-0x0000000000E50000-0x0000000001599000-memory.dmp themida behavioral1/memory/1480-66-0x0000000000E50000-0x0000000001599000-memory.dmp themida -
Processes:
b0bfa71857896435455b4384a4904dd2.exeDpEditor.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b0bfa71857896435455b4384a4904dd2.exe Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA DpEditor.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
Processes:
b0bfa71857896435455b4384a4904dd2.exeDpEditor.exepid process 1600 b0bfa71857896435455b4384a4904dd2.exe 1480 DpEditor.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
DpEditor.exepid process 1480 DpEditor.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b0bfa71857896435455b4384a4904dd2.exeDpEditor.exepid process 1600 b0bfa71857896435455b4384a4904dd2.exe 1480 DpEditor.exe -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
b0bfa71857896435455b4384a4904dd2.exedescription pid process target process PID 1600 wrote to memory of 1480 1600 b0bfa71857896435455b4384a4904dd2.exe DpEditor.exe PID 1600 wrote to memory of 1480 1600 b0bfa71857896435455b4384a4904dd2.exe DpEditor.exe PID 1600 wrote to memory of 1480 1600 b0bfa71857896435455b4384a4904dd2.exe DpEditor.exe PID 1600 wrote to memory of 1480 1600 b0bfa71857896435455b4384a4904dd2.exe DpEditor.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b0bfa71857896435455b4384a4904dd2.exe"C:\Users\Admin\AppData\Local\Temp\b0bfa71857896435455b4384a4904dd2.exe"1⤵
- Checks BIOS information in registry
- Loads dropped DLL
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1600 -
C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exe"2⤵
- Executes dropped EXE
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
PID:1480
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeMD5
b0bfa71857896435455b4384a4904dd2
SHA18336a87ff18d396c1bda1f59d0e5c9cd0c7e996f
SHA256f1625b7d5fbc31ce741aeaa3af8d20d7cc7d07d6652b3b873b26a6a81e70e32a
SHA512a330ef0ae0f2d48bc5a06202bf2b0c1aac672873dc9c6643a5215748a502302c063ef32357279fc65f16c8342e3f5810795475177cdf7e46bae30207da9b15fb
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\Users\Admin\AppData\Roaming\NCH Software\DrawPad\DpEditor.exeMD5
b0bfa71857896435455b4384a4904dd2
SHA18336a87ff18d396c1bda1f59d0e5c9cd0c7e996f
SHA256f1625b7d5fbc31ce741aeaa3af8d20d7cc7d07d6652b3b873b26a6a81e70e32a
SHA512a330ef0ae0f2d48bc5a06202bf2b0c1aac672873dc9c6643a5215748a502302c063ef32357279fc65f16c8342e3f5810795475177cdf7e46bae30207da9b15fb
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memory/1480-61-0x0000000000000000-mapping.dmp
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memory/1480-64-0x0000000000E50000-0x0000000001599000-memory.dmpFilesize
7.3MB
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memory/1480-65-0x0000000000E50000-0x0000000001599000-memory.dmpFilesize
7.3MB
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memory/1480-67-0x0000000000E50000-0x0000000001599000-memory.dmpFilesize
7.3MB
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memory/1480-66-0x0000000000E50000-0x0000000001599000-memory.dmpFilesize
7.3MB
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memory/1600-55-0x00000000754A1000-0x00000000754A3000-memory.dmpFilesize
8KB
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memory/1600-56-0x00000000008C0000-0x0000000001009000-memory.dmpFilesize
7.3MB
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memory/1600-57-0x00000000008C0000-0x0000000001009000-memory.dmpFilesize
7.3MB
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memory/1600-58-0x00000000008C0000-0x0000000001009000-memory.dmpFilesize
7.3MB
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memory/1600-59-0x00000000008C0000-0x0000000001009000-memory.dmpFilesize
7.3MB