Analysis
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max time kernel
148s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
17-06-2022 08:57
Static task
static1
Behavioral task
behavioral1
Sample
cspstudio,file,17.06.docm
Resource
win7-20220414-en
General
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Target
cspstudio,file,17.06.docm
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Size
2.6MB
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MD5
e066c2adfb242eaf06399fa4eee89380
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SHA1
e6a6c0d21c94b9f89972d5ad2fc63aa36c82ba30
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SHA256
8e3fb60fe11d6ca350b6fd8c9401b058dc0160e0af4665b9fe8e49ee06ad1183
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SHA512
b644c8c08751686aa4137967c317da9691c925ac9341d46794362d881eed2b19ab7b0996854355fafae52d2c2d78eaf46dbf09bdf7cdfaa5852c427db281ee22
Malware Config
Signatures
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Detects SVCReady loader 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3476-146-0x0000000000400000-0x00000000004D0000-memory.dmp family_svcready -
Executes dropped EXE 1 IoCs
Processes:
rF37E.tmp.exepid Process 3476 rF37E.tmp.exe -
Loads dropped DLL 1 IoCs
Processes:
rF37E.tmp.exepid Process 3476 rF37E.tmp.exe -
Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
WINWORD.EXEdescription ioc Process 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 3 IoCs
Processes:
WINWORD.EXEdescription ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid Process 1648 WINWORD.EXE 1648 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid Process 1648 WINWORD.EXE 1648 WINWORD.EXE 1648 WINWORD.EXE 1648 WINWORD.EXE 1648 WINWORD.EXE 1648 WINWORD.EXE 1648 WINWORD.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
WINWORD.EXEdescription pid Process procid_target PID 1648 wrote to memory of 3476 1648 WINWORD.EXE 88 PID 1648 wrote to memory of 3476 1648 WINWORD.EXE 88 PID 1648 wrote to memory of 3476 1648 WINWORD.EXE 88
Processes
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C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\cspstudio,file,17.06.docm" /o ""1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1648 -
C:\Users\Admin\AppData\Local\Temp\rF37E.tmp.exe"C:\Users\Admin\AppData\Local\Temp\rF37E.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\yF37D.tmp.dll",DllRegisterServer2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:3476
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
60KB
MD5889b99c52a60dd49227c5e485a016679
SHA18fa889e456aa646a4d0a4349977430ce5fa5e2d7
SHA2566cbe0e1f046b13b29bfa26f8b368281d2dda7eb9b718651d5856f22cc3e02910
SHA51208933106eaf338dd119c45cbf1f83e723aff77cc0f8d3fc84e36253b1eb31557a54211d1d5d1cb58958188e32064d451f6c66a24b3963cccd3de07299ab90641
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Filesize
820KB
MD5e9334bc1f6db1fe8db13e17c47299c74
SHA1da12f863b1c4f437efc8a5faa8e04e32439eb479
SHA256a7628a09046bc9f9144ecf506ef5a399befb8a985b028db8032a40ae0f96cf86
SHA512b2e10ccb89dc2ec23a824cf9c39d76c698f3f1f4a3498c1fcc7b68a73a9a15e28aac512a010c769582b965d544ee558cfdc2e59a672dd7e782826e9776640d95
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Filesize
820KB
MD5e9334bc1f6db1fe8db13e17c47299c74
SHA1da12f863b1c4f437efc8a5faa8e04e32439eb479
SHA256a7628a09046bc9f9144ecf506ef5a399befb8a985b028db8032a40ae0f96cf86
SHA512b2e10ccb89dc2ec23a824cf9c39d76c698f3f1f4a3498c1fcc7b68a73a9a15e28aac512a010c769582b965d544ee558cfdc2e59a672dd7e782826e9776640d95