Analysis
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max time kernel
101s -
max time network
18s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
31-07-2024 01:42
Static task
static1
Behavioral task
behavioral1
Sample
a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e.rtf
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e.rtf
Resource
win10v2004-20240730-en
General
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Target
a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e.rtf
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Size
87KB
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MD5
692201af11c88bd4609ca5476b5aa8fb
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SHA1
4d40bb5f52dab9183165c75495361eda687fd5e0
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SHA256
a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e
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SHA512
c17e3a5c1efb435fa1abb4800e6026eaee9e088618d327458294e9652c7ceb662589a203c43d224ae2fb254374fde6aaa76cf892412e854c71bf0f306661d32c
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SSDEEP
384:1qgLPI5lpTS/GNZV+wrm+iECwgrRQI3YL2jheM:1qgQlFGhwrdurRQjKj
Malware Config
Signatures
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Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.EXE -
System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
Processes:
WINWORD.EXEEQNEDT32.EXEdescription ioc process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WINWORD.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EQNEDT32.EXE -
Office loads VBA resources, possible macro or embedded object present
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Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
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Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 2024 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 2024 WINWORD.EXE 2024 WINWORD.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
WINWORD.EXEdescription pid process target process PID 2024 wrote to memory of 2824 2024 WINWORD.EXE splwow64.exe PID 2024 wrote to memory of 2824 2024 WINWORD.EXE splwow64.exe PID 2024 wrote to memory of 2824 2024 WINWORD.EXE splwow64.exe PID 2024 wrote to memory of 2824 2024 WINWORD.EXE splwow64.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\a9c933f65d72dfa02fb0b94476c360777cea47f0bcb36c2ec696135ca5ddad9e.rtf"1⤵
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:2824
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C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE"C:\Program Files (x86)\Common Files\Microsoft Shared\EQUATION\EQNEDT32.EXE" -Embedding1⤵
- System Location Discovery: System Language Discovery
- Launches Equation Editor
PID:3000
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
19KB
MD5c0514891f57f2db6e3021a2ca620f320
SHA1f5c6fbe4f3a12e7ed396cb4da1a54fce5fad6241
SHA256f7ca47e0e8d744d99e4df0a2c1aeb91559d018e16086b6f1b633ae78675dfa3a
SHA51220cc5839faf5ef269f17e32053decc9e41ae20fb685b83637bf2165c34e440cbded8363a63e6170821dc88334c9a70899940e469c4f47f7843da0acc99323d59