Analysis
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max time kernel
159s -
max time network
165s -
platform
windows10-2004_x64 -
resource
win10v2004-20220812-en -
resource tags
arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system -
submitted
22-11-2022 22:00
Behavioral task
behavioral1
Sample
0d2d6881a1217e2d4fac370e22db7cc094d3a95c46b74957541ae8fcd20e3fea.xls
Resource
win7-20221111-en
Behavioral task
behavioral2
Sample
0d2d6881a1217e2d4fac370e22db7cc094d3a95c46b74957541ae8fcd20e3fea.xls
Resource
win10v2004-20220812-en
General
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Target
0d2d6881a1217e2d4fac370e22db7cc094d3a95c46b74957541ae8fcd20e3fea.xls
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Size
308KB
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MD5
42a76635b4ce4e7bf708a738ab24ed6a
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SHA1
3add63d07d71fa58aec69ddfb74f61e8a0556999
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SHA256
0d2d6881a1217e2d4fac370e22db7cc094d3a95c46b74957541ae8fcd20e3fea
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SHA512
1b7dcef7644e68ca5352090efab7cf5467a1f590e34993d2a4d5f9bec8ca367772de932e2341ad34cf9610402d0e089c41c178000bd47b753a234e03849566e0
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SSDEEP
6144:2l6Nc7yRzs1H75wkZUgsQ6NqTBun5oOFRynDDaU05XQ/zuqsfqHh7dClDwXP+ZrZ:FynDdJzkf0CSXPQo1Nf
Malware Config
Signatures
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Process spawned unexpected child process 6 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.execmd.execmd.execmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4892 3928 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1392 3928 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4156 3928 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1916 3928 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2220 3928 cmd.exe EXCEL.EXE Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 2252 3928 cmd.exe EXCEL.EXE -
Office macro that triggers on suspicious action 1 IoCs
Office document macro which triggers in special circumstances - often malicious.
Processes:
resource yara_rule \??\c:\norma1.xlm office_macro_on_action -
Sets file to hidden 1 TTPs 2 IoCs
Modifies file attributes to stop it showing in Explorer etc.
Processes:
attrib.exeattrib.exepid process 2784 attrib.exe 1832 attrib.exe -
Processes:
resource yara_rule \??\c:\norma1.xlm office_xlm_macros -
Adds Run key to start application 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Internet.exe = "internet.exe" EXCEL.EXE -
Drops file in System32 directory 1 IoCs
Processes:
EXCEL.EXEdescription ioc process File created C:\Windows\System32\internet.exe EXCEL.EXE -
Checks processor information in registry 2 TTPs 6 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
EXCEL.EXEWINWORD.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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString WINWORD.EXE -
Enumerates system info in registry 2 TTPs 6 IoCs
Processes:
WINWORD.EXEEXCEL.EXEdescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
EXCEL.EXEWINWORD.EXEpid process 3928 EXCEL.EXE 2224 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 25 IoCs
Processes:
EXCEL.EXEWINWORD.EXEpid process 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 2224 WINWORD.EXE 2224 WINWORD.EXE 2224 WINWORD.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE 3928 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
Processes:
EXCEL.EXEcmd.execmd.execmd.execmd.execmd.exedescription pid process target process PID 3928 wrote to memory of 4892 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 4892 3928 EXCEL.EXE cmd.exe PID 4892 wrote to memory of 1348 4892 cmd.exe attrib.exe PID 4892 wrote to memory of 1348 4892 cmd.exe attrib.exe PID 3928 wrote to memory of 1392 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 1392 3928 EXCEL.EXE cmd.exe PID 1392 wrote to memory of 884 1392 cmd.exe attrib.exe PID 1392 wrote to memory of 884 1392 cmd.exe attrib.exe PID 3928 wrote to memory of 4156 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 4156 3928 EXCEL.EXE cmd.exe PID 4156 wrote to memory of 3416 4156 cmd.exe extrac32.exe PID 4156 wrote to memory of 3416 4156 cmd.exe extrac32.exe PID 3928 wrote to memory of 1916 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 1916 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 2220 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 2220 3928 EXCEL.EXE cmd.exe PID 2220 wrote to memory of 2784 2220 cmd.exe attrib.exe PID 2220 wrote to memory of 2784 2220 cmd.exe attrib.exe PID 3928 wrote to memory of 2252 3928 EXCEL.EXE cmd.exe PID 3928 wrote to memory of 2252 3928 EXCEL.EXE cmd.exe PID 2252 wrote to memory of 1832 2252 cmd.exe attrib.exe PID 2252 wrote to memory of 1832 2252 cmd.exe attrib.exe -
Views/modifies file attributes 1 TTPs 4 IoCs
Processes:
attrib.exeattrib.exeattrib.exeattrib.exepid process 1832 attrib.exe 1348 attrib.exe 884 attrib.exe 2784 attrib.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\0d2d6881a1217e2d4fac370e22db7cc094d3a95c46b74957541ae8fcd20e3fea.xls"1⤵
- Adds Run key to start application
- Drops file in System32 directory
- 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\cmd.exe"C:\Windows\system32\cmd.exe" /c attrib -s -h c:\setflag.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib -s -h c:\setflag.exe3⤵
- Views/modifies file attributes
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c attrib -s -h c:\sendto.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib -s -h c:\sendto.exe3⤵
- Views/modifies file attributes
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c extrac32 /E /Y /L c:\ c:\cab.cab2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\extrac32.exeextrac32 /E /Y /L c:\ c:\cab.cab3⤵
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c extract /E /Y /L c:\ c:\cab.cab2⤵
- Process spawned unexpected child process
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c attrib +s +h c:\setflag.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib +s +h c:\setflag.exe3⤵
- Sets file to hidden
- Views/modifies file attributes
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C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c attrib +s +h c:\sendto.exe2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\attrib.exeattrib +s +h c:\sendto.exe3⤵
- Sets file to hidden
- Views/modifies file attributes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /Automation -Embedding1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\sendto.exeFilesize
20KB
MD556bafcef305ce46d847421edd6eec04b
SHA1e6e31dda260fee10b63c4dd297b433749ea7ac07
SHA2563c6d90fdf13ef66dd36631796cd50db01dfb8e2db5b472c45202513ab816f272
SHA512c78210f40daa6e2827d1280eaca5ae22cf036d20ff802826171cfdaf2b64a011f32c8689eec174d3375e197b240e4c92a2fb466b01c66a96e9276cd1de160e20
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C:\setflag.exeFilesize
32KB
MD5a4f9be8517afb4c5d9c63960a5faf258
SHA16d3300bfc43b191819f687df91bfbe2c6294d6bb
SHA25678b6db289832df709d17fd5c49359ddfb9cacaa8303cd77290427bac4c829ba2
SHA512c6c918bc91ed645553245cc640ed66882af264035732b8a8c2682f14a9c8f183c38837c1b3e62ca7d16e1560e6bc2a4273b41c9614a046752928c9a0c45ecb2e
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\??\c:\cab.cabFilesize
70KB
MD55a876443f36ca54efae1c723041435c0
SHA17ebd6188c3df725008209b7d24f914b2b3ce0a6c
SHA25602397a86f99f98f212adee047d25c56fa6644a3cf6058ddb0da0221d708f1ee9
SHA512a065a1ed747b8348c49c909e7186da584a3f01bca4652b154d5f7f88c4de15c5f0c03884db5cf33bca9035944cf5c7bc6983571301dd0fa4d7c298942887a149
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\??\c:\internet.exeFilesize
24KB
MD5072ca9f791665febeacda1be1e71a124
SHA120d6d75ef7e06c72b43a2e3be81f5ceab11a1a5a
SHA256692bfa3ca595a0ed57dd1d5fa6652332162c90ea0c9b8c9b32ddbebbec063f3d
SHA5123cd1c0727085dcc054b1c9111c934fef3473d57a91e1e247418a220e35c59e495282740621d6c9c01c86a39ad4e5c79d7d95dbd289e25f044cfad1f616d52290
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\??\c:\norma1.xlmFilesize
68KB
MD53f08a7010fe4ea32b210b7919448ada6
SHA1c7bc3bb8f78ef217b83c593542b5c4cf602746a2
SHA256506260a97f723ce79e3243b651dc8af1c3fcdbf72431be60b1a0afbab8d2dce9
SHA512be8ac3dcb6574e6876c2f8d2e40c1c6ad75ca611275ccc73c7283f6b17f3956c16c14d9dfa10e36576011baa691378a8ce6115e380b821a2d6f549ea46567b4c
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\??\c:\normal.dotFilesize
103KB
MD526ab77fe4d542805e0afdc9d0efc92c2
SHA1332dc776b13e8f04809a312183ef9532ea2b18d3
SHA2561cb2d969e56664ddc1f496c63e424cbe1ce2f560f8350f4ffa451f0fc03006d9
SHA512ef439dbbe390eb175bd9970d76827a6b506b88a4db7cda233d8b6591b22e3c7a454cbb8111ca78dbbd6b195c91aa89c7d0c9df952052d3471eb07ac80f98b89a
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memory/884-142-0x0000000000000000-mapping.dmp
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memory/1348-140-0x0000000000000000-mapping.dmp
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memory/1392-141-0x0000000000000000-mapping.dmp
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memory/1832-162-0x0000000000000000-mapping.dmp
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memory/1916-146-0x0000000000000000-mapping.dmp
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memory/2220-157-0x0000000000000000-mapping.dmp
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memory/2224-164-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/2224-165-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/2224-166-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/2224-167-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/2252-160-0x0000000000000000-mapping.dmp
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memory/2784-158-0x0000000000000000-mapping.dmp
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memory/3416-144-0x0000000000000000-mapping.dmp
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memory/3928-132-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/3928-138-0x00007FF94D4E0000-0x00007FF94D4F0000-memory.dmpFilesize
64KB
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memory/3928-137-0x00007FF94D4E0000-0x00007FF94D4F0000-memory.dmpFilesize
64KB
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memory/3928-136-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/3928-135-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/3928-134-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/3928-133-0x00007FF94FA50000-0x00007FF94FA60000-memory.dmpFilesize
64KB
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memory/4156-143-0x0000000000000000-mapping.dmp
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memory/4892-139-0x0000000000000000-mapping.dmp