Analysis
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max time kernel
148s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20220414-en -
submitted
20-06-2022 21:21
Static task
static1
Behavioral task
behavioral1
Sample
bikealma_document_20.06.2022.docm
Resource
win7-20220414-en
General
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Target
bikealma_document_20.06.2022.docm
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Size
2.6MB
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MD5
e2237eac90e20fe703806ad6b8221597
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SHA1
e18a0dea6b4a10046e3b50d6ab910868c4c52574
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SHA256
17f0487ceadb25c4d72e3861ab850c601ac0c4c09a54b103c9074ca86014f4f0
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SHA512
bee4041caf22433441cbab32889b703dca6709453b21eb3fdfa2f8f16ab3cd5f8bda056d61858e3a0e4558f9dce63244b5c2c70955e0a15e6038e5239a213c23
Malware Config
Signatures
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Detects SVCReady loader 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2124-144-0x0000000000400000-0x00000000004D0000-memory.dmp family_svcready -
Executes dropped EXE 1 IoCs
Processes:
rCBC2.tmp.exepid process 2124 rCBC2.tmp.exe -
Loads dropped DLL 1 IoCs
Processes:
rCBC2.tmp.exepid process 2124 rCBC2.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 opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily WINWORD.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 2 IoCs
Processes:
WINWORD.EXEpid process 1136 WINWORD.EXE 1136 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 7 IoCs
Processes:
WINWORD.EXEpid process 1136 WINWORD.EXE 1136 WINWORD.EXE 1136 WINWORD.EXE 1136 WINWORD.EXE 1136 WINWORD.EXE 1136 WINWORD.EXE 1136 WINWORD.EXE -
Suspicious use of WriteProcessMemory 3 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 1136 wrote to memory of 2124 1136 WINWORD.EXE rCBC2.tmp.exe PID 1136 wrote to memory of 2124 1136 WINWORD.EXE rCBC2.tmp.exe PID 1136 wrote to memory of 2124 1136 WINWORD.EXE rCBC2.tmp.exe
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\bikealma_document_20.06.2022.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:1136 -
C:\Users\Admin\AppData\Local\Temp\rCBC2.tmp.exe"C:\Users\Admin\AppData\Local\Temp\rCBC2.tmp.exe" "C:\Users\Admin\AppData\Local\Temp\yCBC1.tmp.dll",DllRegisterServer2⤵
- Executes dropped EXE
- Loads dropped DLL
PID:2124
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
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