Analysis
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max time kernel
108s -
max time network
141s -
platform
windows10_x64 -
resource
win10v20210408 -
submitted
22-04-2021 00:02
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.Heur.6720.4038.xlsm
Resource
win7v20210410
Behavioral task
behavioral2
Sample
SecuriteInfo.com.Heur.6720.4038.xlsm
Resource
win10v20210408
General
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Target
SecuriteInfo.com.Heur.6720.4038.xlsm
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Size
164KB
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MD5
0d078f062bf55f9731c74ad03c8b7e7d
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SHA1
efc993ad607de2d59e58821f8b762e7c89a7acb9
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SHA256
ce0f03fcee0d0cddba35b3053ea5d24ba14ed57d8112a508546fe4d3d9d3c0e2
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SHA512
2493c4754243597d13068d651a07dba57f34e0604f4c95c3ea68163f0967dfd15dac95e41fcb3c8f29fd7c545b5665d951aaffd2a42c3c1307f7e1115fc014bb
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 3384 3920 rundll32.exe EXCEL.EXE -
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 opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE 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 -
Enumerates system info in registry 2 TTPs 3 IoCs
Processes:
EXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE -
Script User-Agent 3 IoCs
Uses user-agent string associated with script host/environment.
Processes:
description flow ioc HTTP User-Agent header 27 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 33 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) HTTP User-Agent header 35 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5) -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 3920 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 14 IoCs
Processes:
EXCEL.EXEpid process 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE 3920 EXCEL.EXE -
Suspicious use of WriteProcessMemory 2 IoCs
Processes:
EXCEL.EXEdescription pid process target process PID 3920 wrote to memory of 3384 3920 EXCEL.EXE rundll32.exe PID 3920 wrote to memory of 3384 3920 EXCEL.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.6720.4038.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\64433..dll" JsVarAddRef2⤵
- Process spawned unexpected child process
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Roaming\64433..dllMD5
ce0fd9e8bbc0993cbc6d691fb5488df4
SHA10fd32f43b3d33a1344ce6b2b82741cf05a0fd130
SHA256b5ff80626f9f2a8ce83f69f52cc025362e9178531b756f1bf3eeaa73ff21eff1
SHA512d509b22e5c5521a226dbef2fbda0930cb0fcb11f0907f97815ddabd85b588213cdba149d6f0c9463899d4a4135c9fda6c916cd63efaa996cbb73ceb9dbe59908
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memory/3384-179-0x0000000000000000-mapping.dmp
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memory/3920-114-0x00007FF614540000-0x00007FF617AF6000-memory.dmpFilesize
53.7MB
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memory/3920-115-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmpFilesize
64KB
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memory/3920-116-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmpFilesize
64KB
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memory/3920-117-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmpFilesize
64KB
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memory/3920-118-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmpFilesize
64KB
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memory/3920-121-0x00007FF9CF580000-0x00007FF9CF590000-memory.dmpFilesize
64KB
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memory/3920-122-0x00007FF9EFEE0000-0x00007FF9F0FCE000-memory.dmpFilesize
16.9MB
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memory/3920-123-0x000001B55E310000-0x000001B560205000-memory.dmpFilesize
31.0MB