Analysis
- max time kernel
122s - max time network
121s - platform
windows7_x64 - resource
win7v20201028 - submitted
15/12/2020, 12:59
Static task
static1
Behavioral task
behavioral1
Sample
decemberorderrequest.doc.xlsx
Resource
win7v20201028
0 signatures
0 seconds
Behavioral task
behavioral2
Sample
decemberorderrequest.doc.xlsx
Resource
win10v20201028
0 signatures
0 seconds
General
- Target decemberorderrequest.doc.xlsx
- Size 2.5MB
- Sample201215-mzz4fg7r2s
- SHA256 7689fde52d772a6810cccf89d32a6bb8e944a9ce435a44dc52032feeee61d6eb
- MD5 dc677a3b50b7659c944615f6e04ea29d
- SHA1 36a7e78bd13be55a1c62b73203e80c6f61c45eab
- SHA512 219bd47b7690105ad3ecf9f51ab5601bc66a885bb4767b18b5adca257f4e17c9576919d7f654d3cf00a0211661892e87d18854c8838afd2ccaa085d7c17ca8c3
- MD5 SHA1 SHA512
Malware Config
Extracted
Family
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lokibot
C2
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http://benweve.com/clock/five/fre.php
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http://kbfvzoboss.bid/alien/fre.php
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http://alphastand.trade/alien/fre.php
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http://alphastand.win/alien/fre.php
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http://alphastand.top/alien/fre.php
Signatures
- Blocklisted process makes network request 1 IoCs
flow pid Process 6 1592 EQNEDT32.EXE - Executes dropped EXE 2 IoCs
pid Process 776 vbc.exe 1160 vbc.exe - Loads dropped DLL 4 IoCs
pid Process 1592 EQNEDT32.EXE 1592 EQNEDT32.EXE 1592 EQNEDT32.EXE 1592 EQNEDT32.EXE - Uses the VBS compiler for execution 1 TTPs
- Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 776 set thread context of 1160 776 vbc.exe 34 - Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor EXCEL.EXE - Launches Equation Editor 1 TTPs 1 IoCs
Equation Editor is an old Office component often targeted by exploits such as CVE-2017-11882.
pid Process 1592 EQNEDT32.EXE -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" EXCEL.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3825035466-2522850611-591511364-1000\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-1-5-21-3825035466-2522850611-591511364-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1936 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 776 vbc.exe 776 vbc.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 776 vbc.exe Token: SeDebugPrivilege 1160 vbc.exe - Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 1936 EXCEL.EXE 1936 EXCEL.EXE 1936 EXCEL.EXE - Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 1592 wrote to memory of 776 1592 EQNEDT32.EXE 32 PID 1592 wrote to memory of 776 1592 EQNEDT32.EXE 32 PID 1592 wrote to memory of 776 1592 EQNEDT32.EXE 32 PID 1592 wrote to memory of 776 1592 EQNEDT32.EXE 32 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34 PID 776 wrote to memory of 1160 776 vbc.exe 34
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\decemberorderrequest.doc.xlsx1⤵
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:1936
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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⤵
- Blocklisted process makes network request
- Loads dropped DLL
- Launches Equation Editor
- Suspicious use of WriteProcessMemory
PID:1592 -
C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:776 -
C:\Users\Public\vbc.exe"{path}"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1160
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