Analysis
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max time kernel
9s -
max time network
46s -
platform
windows7_x64 -
resource
win7-20220414-en -
submitted
21-06-2022 14:46
Static task
static1
Behavioral task
behavioral1
Sample
19533bf0ecccd56fefb33af9f4ba7d8b3a11046b9b0e88d3671a2a2653ae619c.dll
Resource
win7-20220414-en
windows7_x64
0 signatures
0 seconds
General
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Target
19533bf0ecccd56fefb33af9f4ba7d8b3a11046b9b0e88d3671a2a2653ae619c.dll
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Size
5.2MB
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MD5
9a9e31dcf05385a8d07124321cf2ae36
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SHA1
805bd322e28fe6ebb3b6d5edece0122b9cc585f1
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SHA256
19533bf0ecccd56fefb33af9f4ba7d8b3a11046b9b0e88d3671a2a2653ae619c
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SHA512
7ed845cc9465eacf6a0526db6a4a5129925e546206d87b8b51589679069a01db1190446a5610c7709a3a7748cfbf2a1a83e7f0cd2cccf8c80f2e35edeef8f8fb
Malware Config
Signatures
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
Processes:
rundll32.exedescription ioc process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ rundll32.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion rundll32.exe -
Processes:
resource yara_rule behavioral1/memory/960-57-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-58-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-59-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-60-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-61-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-62-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-63-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida behavioral1/memory/960-64-0x0000000001EC0000-0x0000000002CC7000-memory.dmp themida -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
rundll32.exepid process 960 rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1100 960 WerFault.exe rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 1532 wrote to memory of 960 1532 rundll32.exe rundll32.exe PID 960 wrote to memory of 1100 960 rundll32.exe WerFault.exe PID 960 wrote to memory of 1100 960 rundll32.exe WerFault.exe PID 960 wrote to memory of 1100 960 rundll32.exe WerFault.exe PID 960 wrote to memory of 1100 960 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\19533bf0ecccd56fefb33af9f4ba7d8b3a11046b9b0e88d3671a2a2653ae619c.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1532 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\19533bf0ecccd56fefb33af9f4ba7d8b3a11046b9b0e88d3671a2a2653ae619c.dll,#12⤵
- 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
PID:960 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 960 -s 3243⤵
- Program crash
PID:1100
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/960-54-0x0000000000000000-mapping.dmp
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memory/960-55-0x00000000769D1000-0x00000000769D3000-memory.dmpFilesize
8KB
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memory/960-56-0x0000000077C90000-0x0000000077E10000-memory.dmpFilesize
1.5MB
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memory/960-57-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-58-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-59-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-60-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-61-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-62-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-63-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/960-64-0x0000000001EC0000-0x0000000002CC7000-memory.dmpFilesize
14.0MB
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memory/1100-65-0x0000000000000000-mapping.dmp