Analysis
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max time kernel
4294181s -
max time network
128s -
platform
windows7_x64 -
resource
win7-20220310-en -
submitted
14-04-2022 05:55
Static task
static1
Behavioral task
behavioral1
Sample
f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll
Resource
win7-20220310-en
General
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Target
f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll
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Size
4.3MB
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MD5
80ff198cb4385824119be0dbae268a88
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SHA1
82a0c9d7f9c2ecc22b6ab3c597a6632987b7427f
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SHA256
f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed
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SHA512
c1a4f761174c8ee038708dcd2c95a5e954c4bc8f1697afd3e007408377e0cd7db5761fc8930081955d743fe77198c62d1f4a5324a481486c4d09ac02053f1829
Malware Config
Signatures
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Banload
Banload variants download malicious files, then install and execute the files.
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Detect Numando Payload 6 IoCs
Processes:
resource yara_rule behavioral1/memory/1984-64-0x00000000021B0000-0x0000000002F76000-memory.dmp family_numando behavioral1/memory/1984-65-0x00000000021B0000-0x0000000002F76000-memory.dmp family_numando behavioral1/memory/1984-66-0x00000000021B0000-0x0000000002F76000-memory.dmp family_numando behavioral1/memory/1984-67-0x00000000021B0000-0x0000000002F76000-memory.dmp family_numando behavioral1/memory/1984-68-0x00000000021B0000-0x0000000002F76000-memory.dmp family_numando behavioral1/memory/1984-69-0x00000000021B1000-0x0000000002477000-memory.dmp family_numando -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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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\SystemBiosDate rundll32.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion rundll32.exe -
Program crash 1 IoCs
Processes:
WerFault.exepid pid_target process target process 1468 1984 WerFault.exe rundll32.exe -
Modifies registry class 22 IoCs
Processes:
rundll32.exedescription ioc process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\ToolboxBitmap32\ = "%CommonProgramFiles%\\Microsoft Shared\\Ink\\InkObj.dll, 212" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\Version rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\VersionIndependentProgID rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\VersionIndependentProgID\ = "msinkaut.InkPicture" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\ = "Microsoft InkPicture Control" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\Insertable rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\ProgID\ = "msinkaut.InkPicture.1" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\MiscStatus\1 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\Programmable rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\Control rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\InprocServer32\ThreadingModel = "Apartment" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\MiscStatus rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\ToolboxBitmap32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\TypeLib\ = "{7D868ACD-1A5D-4a47-A247-F39741353012}" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\InprocServer32\ = "%CommonProgramFiles%\\Microsoft Shared\\Ink\\InkObj.dll" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\MiscStatus\ = "0" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\MiscStatus\1\ = "131473" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\TypeLib rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\Version\ = "1.0" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\InprocServer32 rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{40A2826C-82D8-F957-C494-315D7E35F82D}\ProgID rundll32.exe -
NTFS ADS 2 IoCs
Processes:
rundll32.exedescription ioc process File created C:\ProgramData\TEMP:4FF5F248 rundll32.exe File opened for modification C:\ProgramData\TEMP:4FF5F248 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
Processes:
rundll32.exedescription pid process Token: 33 1984 rundll32.exe Token: SeIncBasePriorityPrivilege 1984 rundll32.exe -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
rundll32.exerundll32.exedescription pid process target process PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1928 wrote to memory of 1984 1928 rundll32.exe rundll32.exe PID 1984 wrote to memory of 1468 1984 rundll32.exe WerFault.exe PID 1984 wrote to memory of 1468 1984 rundll32.exe WerFault.exe PID 1984 wrote to memory of 1468 1984 rundll32.exe WerFault.exe PID 1984 wrote to memory of 1468 1984 rundll32.exe WerFault.exe
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1928 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\f2e58ee2957e8000552cd12aec3773a0d70f67170f4dffc0b0eb5d4da85077ed.dll,#12⤵
- Checks BIOS information in registry
- Modifies registry class
- NTFS ADS
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1984 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1984 -s 6923⤵
- Program crash
PID:1468
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