Analysis
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max time kernel
126s -
max time network
134s -
platform
windows10_x64 -
resource
win10v20210410 -
submitted
22-04-2021 00:01
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Heur.1024.10269.xlsm
Resource
win7v20210410
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Heur.1024.10269.xlsm
Resource
win10v20210410
General
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Target
SecuriteInfo.com.Heur.1024.10269.xlsm
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Size
171KB
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MD5
77a37ee41877d3af8afd7d09cca969c9
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SHA1
7885d0c3730add0d2693b148312c5e66bcf0279b
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SHA256
a2369537aad92d9febb1353752bf07d7f85e5592071a6f417c9ba24a3d36aba8
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SHA512
0a45f4cde0378f07225efbc0e12bda16b7bd8dfbbbae8baeb218ce565d513c3e8b67a7c670f7e4a3bd4e4c3289450c60e774386d5ab33d49f2e964ce9d0a52f4
Malware Config
Signatures
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Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
rundll32.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 3156 3152 rundll32.exe EXCEL.EXE -
Downloads MZ/PE file
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Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Script User-Agent 2 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 17 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 20 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3152 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE 3152 EXCEL.EXE -
Suspicious use of WriteProcessMemory 5 IoCs
Processes:
EXCEL.EXErundll32.exedescription pid process target process PID 3152 wrote to memory of 3156 3152 EXCEL.EXE rundll32.exe PID 3152 wrote to memory of 3156 3152 EXCEL.EXE rundll32.exe PID 3156 wrote to memory of 3120 3156 rundll32.exe rundll32.exe PID 3156 wrote to memory of 3120 3156 rundll32.exe rundll32.exe PID 3156 wrote to memory of 3120 3156 rundll32.exe rundll32.exe
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Heur.1024.10269.xlsm"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\rundll32.exe"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\27152..dll" JsVarAddRef2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exe"C:\Windows\System32\rundll32.exe" "C:\Users\Admin\AppData\Roaming\27152..dll" JsVarAddRef3⤵
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\27152..dllMD5
872271baeef95f3e16bf2d98f2e19c33
SHA164980cd977c5d5ae9eeb88b4f2b18c13c54e8601
SHA256dc705b3972786eb21f56e06b2852b057938a95b05f6bf40a80d6c4bf264b52f0
SHA512598af48e9389905e92edf349f639f85e52b444cda7ab06f19a19c602838ef17e0111501009f18499c837ab3dd2b3ac998e68477ebcfc088e30790c55ac40aaa2
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memory/3120-181-0x0000000000000000-mapping.dmp
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memory/3152-114-0x00007FF79BEF0000-0x00007FF79F4A6000-memory.dmpFilesize
53.7MB
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memory/3152-115-0x00007FFD35790000-0x00007FFD357A0000-memory.dmpFilesize
64KB
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memory/3152-116-0x00007FFD35790000-0x00007FFD357A0000-memory.dmpFilesize
64KB
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memory/3152-117-0x00007FFD35790000-0x00007FFD357A0000-memory.dmpFilesize
64KB
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memory/3152-118-0x00007FFD35790000-0x00007FFD357A0000-memory.dmpFilesize
64KB
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memory/3152-121-0x00007FFD35790000-0x00007FFD357A0000-memory.dmpFilesize
64KB
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memory/3152-122-0x00007FFD55FD0000-0x00007FFD570BE000-memory.dmpFilesize
16.9MB
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memory/3152-123-0x00007FFD53E80000-0x00007FFD55D75000-memory.dmpFilesize
31.0MB
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memory/3156-179-0x0000000000000000-mapping.dmp