Analysis
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max time kernel
101s -
max time network
85s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
27-07-2021 08:48
Static task
static1
Behavioral task
behavioral1
Sample
Invoice_8384252.xlsm
Resource
win7v20210410
General
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Target
Invoice_8384252.xlsm
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Size
331KB
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MD5
bde2b9dc7dab9e930be10b75dcd171ef
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SHA1
8dfeed50d89f5a2264efb31e5f74816b49c148fb
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SHA256
b556487ae4d889236c1626083b0c9d45a29a5c3bc4e087bf2e3245b6a18ed2db
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SHA512
123521549ec9d98f62929ed40357be1c341bc799e79bc322a4bda0e524b297161021fec6bb16b60043d5f2cf575d9e7abdae5e45ba9db4f058009702963beac8
Malware Config
Extracted
dridex
22201
45.79.33.48:443
139.162.202.74:5007
68.183.216.174:7443
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:
mshta.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process 1888 2004 mshta.exe EXCEL.EXE -
Processes:
resource yara_rule behavioral1/memory/1476-71-0x000000006ABB0000-0x000000006ABE0000-memory.dmp dridex_ldr -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 2 1888 mshta.exe -
Downloads MZ/PE file
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Loads dropped DLL 4 IoCs
Processes:
rundll32.exepid process 1476 rundll32.exe 1476 rundll32.exe 1476 rundll32.exe 1476 rundll32.exe -
Processes:
rundll32.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA rundll32.exe -
Office loads VBA resources, possible macro or embedded object present
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Enumerates system info in registry 2 TTPs 1 IoCs
Processes:
EXCEL.EXEdescription ioc process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE -
Processes:
EXCEL.EXEmshta.exedescription ioc process Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" EXCEL.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main mshta.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 2004 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 5 IoCs
Processes:
EXCEL.EXEpid process 2004 EXCEL.EXE 2004 EXCEL.EXE 2004 EXCEL.EXE 2004 EXCEL.EXE 2004 EXCEL.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
Processes:
EXCEL.EXEmshta.exedescription pid process target process PID 2004 wrote to memory of 1888 2004 EXCEL.EXE mshta.exe PID 2004 wrote to memory of 1888 2004 EXCEL.EXE mshta.exe PID 2004 wrote to memory of 1888 2004 EXCEL.EXE mshta.exe PID 2004 wrote to memory of 1888 2004 EXCEL.EXE mshta.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe PID 1888 wrote to memory of 1476 1888 mshta.exe rundll32.exe
Processes
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C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\Invoice_8384252.xlsm1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exemshta C:\ProgramData//theDialogGallery3dLine.sct2⤵
- Process spawned unexpected child process
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\ProgramData\qSurfaceWireframe.dll,AddLookaside3⤵
- Loads dropped DLL
- Checks whether UAC is enabled
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\qSurfaceWireframe.dllMD5
8d89ae4e36ad7940b6bf97f6a3c3e1af
SHA122537d62227cae0e27bbadced7ebc470b3251993
SHA25635505b13036a28b838b5b6a4c186fc98bf46dcd57eda5e2f58c049c5777df968
SHA512b5a634e0dc5e79bddf326f674f81ff4d9af6747956545420d50cbd1e2993193da6aa59691ab5e08bc9488be6927ee7c5916e04aa443a491c1e08f59d48ef5bce
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C:\ProgramData\theDialogGallery3dLine.sctMD5
40433e06540fb84187f0e23b215c5ff2
SHA1deb1d9969466de01a012525d3ba23408fa591094
SHA256c22cdd06bbeed13a7e15f7ea846c056680cb8e4618f955cb37616abfa908901c
SHA51219a5de0f5f4f8148d67665182d76ab023fbe994b40e524c6b6daef6933555f10a192ee849b7c007a657eb1cc1ff1f5957f76b447e0c3b5f7a9a34a142742316b
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\ProgramData\qSurfaceWireframe.dllMD5
8d89ae4e36ad7940b6bf97f6a3c3e1af
SHA122537d62227cae0e27bbadced7ebc470b3251993
SHA25635505b13036a28b838b5b6a4c186fc98bf46dcd57eda5e2f58c049c5777df968
SHA512b5a634e0dc5e79bddf326f674f81ff4d9af6747956545420d50cbd1e2993193da6aa59691ab5e08bc9488be6927ee7c5916e04aa443a491c1e08f59d48ef5bce
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\ProgramData\qSurfaceWireframe.dllMD5
8d89ae4e36ad7940b6bf97f6a3c3e1af
SHA122537d62227cae0e27bbadced7ebc470b3251993
SHA25635505b13036a28b838b5b6a4c186fc98bf46dcd57eda5e2f58c049c5777df968
SHA512b5a634e0dc5e79bddf326f674f81ff4d9af6747956545420d50cbd1e2993193da6aa59691ab5e08bc9488be6927ee7c5916e04aa443a491c1e08f59d48ef5bce
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\ProgramData\qSurfaceWireframe.dllMD5
8d89ae4e36ad7940b6bf97f6a3c3e1af
SHA122537d62227cae0e27bbadced7ebc470b3251993
SHA25635505b13036a28b838b5b6a4c186fc98bf46dcd57eda5e2f58c049c5777df968
SHA512b5a634e0dc5e79bddf326f674f81ff4d9af6747956545420d50cbd1e2993193da6aa59691ab5e08bc9488be6927ee7c5916e04aa443a491c1e08f59d48ef5bce
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\ProgramData\qSurfaceWireframe.dllMD5
8d89ae4e36ad7940b6bf97f6a3c3e1af
SHA122537d62227cae0e27bbadced7ebc470b3251993
SHA25635505b13036a28b838b5b6a4c186fc98bf46dcd57eda5e2f58c049c5777df968
SHA512b5a634e0dc5e79bddf326f674f81ff4d9af6747956545420d50cbd1e2993193da6aa59691ab5e08bc9488be6927ee7c5916e04aa443a491c1e08f59d48ef5bce
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memory/1476-65-0x00000000765F1000-0x00000000765F3000-memory.dmpFilesize
8KB
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memory/1476-64-0x0000000000000000-mapping.dmp
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memory/1476-71-0x000000006ABB0000-0x000000006ABE0000-memory.dmpFilesize
192KB
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memory/1476-73-0x0000000000180000-0x0000000000186000-memory.dmpFilesize
24KB
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memory/1888-62-0x0000000000000000-mapping.dmp
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memory/2004-59-0x000000002FB71000-0x000000002FB74000-memory.dmpFilesize
12KB
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memory/2004-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/2004-60-0x0000000071CC1000-0x0000000071CC3000-memory.dmpFilesize
8KB
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memory/2004-74-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB