Analysis
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max time kernel
547s -
max time network
553s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
17-06-2021 20:12
Static task
static1
Behavioral task
behavioral1
Sample
COAU7229898130.docx
Resource
win7v20210408
Behavioral task
behavioral2
Sample
COAU7229898130.docx
Resource
win10v20210410
General
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Target
COAU7229898130.docx
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Size
10KB
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MD5
df55074a5f0dba2b6f7b2ed4bd0601da
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SHA1
017070ff75fcb217aa19ea0c8b198652945ce38f
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SHA256
8e62450fb766f0cebe41c3492b79151a8ecdccdd491bf4c32cc4691948a0d020
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SHA512
b6e5d88c7bb21d56922f4b269d130bd4c79a7b52f2d03eedcf191a88e0ad7ff7e98bf1df656fbde2ab04cb5e6a4f54fced47192e00718e1a6cdc98f7c44c43ec
Malware Config
Extracted
lokibot
http://eyecos.ga/akin/gate.php
http://kbfvzoboss.bid/alien/fre.php
http://alphastand.trade/alien/fre.php
http://alphastand.win/alien/fre.php
http://alphastand.top/alien/fre.php
Signatures
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Blocklisted process makes network request 1 IoCs
Processes:
EQNEDT32.EXEflow pid process 7 1240 EQNEDT32.EXE -
Downloads MZ/PE file
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Executes dropped EXE 2 IoCs
Processes:
vbc.exevbc.exepid process 1156 vbc.exe 1912 vbc.exe -
Abuses OpenXML format to download file from external location 2 IoCs
Processes:
WINWORD.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key opened \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Office\Common\Offline\Files\http://0147.0205.0152.0110/-................................................................-/--------------------.....................------------ WINWORD.EXE -
Loads dropped DLL 4 IoCs
Processes:
EQNEDT32.EXEpid process 1240 EQNEDT32.EXE 1240 EQNEDT32.EXE 1240 EQNEDT32.EXE 1240 EQNEDT32.EXE -
Uses the VBS compiler for execution 1 TTPs
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Suspicious use of SetThreadContext 1 IoCs
Processes:
vbc.exedescription pid process target process PID 1156 set thread context of 1912 1156 vbc.exe vbc.exe -
Drops file in Windows directory 1 IoCs
Processes:
WINWORD.EXEdescription ioc process File opened for modification C:\Windows\Debug\WIA\wiatrace.log WINWORD.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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Processes:
WINWORD.EXEdescription ioc process Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\Contexts = "1" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\Contexts = "55" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\ONBttnIE.dll/105" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel\ = "res://C:\\PROGRA~2\\MICROS~1\\Office14\\EXCEL.EXE/3000" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2455352368-1077083310-2879168483-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 940 WINWORD.EXE -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
vbc.exedescription pid process Token: SeDebugPrivilege 1912 vbc.exe -
Suspicious use of SetWindowsHookEx 2 IoCs
Processes:
WINWORD.EXEpid process 940 WINWORD.EXE 940 WINWORD.EXE -
Suspicious use of WriteProcessMemory 18 IoCs
Processes:
EQNEDT32.EXEWINWORD.EXEvbc.exedescription pid process target process PID 1240 wrote to memory of 1156 1240 EQNEDT32.EXE vbc.exe PID 1240 wrote to memory of 1156 1240 EQNEDT32.EXE vbc.exe PID 1240 wrote to memory of 1156 1240 EQNEDT32.EXE vbc.exe PID 1240 wrote to memory of 1156 1240 EQNEDT32.EXE vbc.exe PID 940 wrote to memory of 1160 940 WINWORD.EXE splwow64.exe PID 940 wrote to memory of 1160 940 WINWORD.EXE splwow64.exe PID 940 wrote to memory of 1160 940 WINWORD.EXE splwow64.exe PID 940 wrote to memory of 1160 940 WINWORD.EXE splwow64.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.exe PID 1156 wrote to memory of 1912 1156 vbc.exe vbc.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\COAU7229898130.docx"1⤵
- Abuses OpenXML format to download file from external location
- Drops file in Windows directory
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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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
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"2⤵
- Executes dropped EXE
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Public\vbc.exe"C:\Users\Public\vbc.exe"3⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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C:\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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C:\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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\Users\Public\vbc.exeMD5
f35e3b19dd1a1522795bea451201881a
SHA1c5fff848246e8721e235821d1b5d816637c3ac39
SHA256ecbcb560b5d6a6a0d82e6230af9a41c03a1dc7fe41931f37d207d764e4c3cafb
SHA512c098e7a60b5e9e125a17a1b9f54995ab973a38288db18b31474e2caef387d3c67d34271244f76e9fd970583b7c2abaf9187f011ec553ce12ac85b6cc145ccb9d
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memory/940-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/940-61-0x000000006FAC1000-0x000000006FAC3000-memory.dmpFilesize
8KB
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memory/940-60-0x0000000072041000-0x0000000072044000-memory.dmpFilesize
12KB
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memory/1156-77-0x0000000004E80000-0x0000000004EEF000-memory.dmpFilesize
444KB
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memory/1156-71-0x0000000000A40000-0x0000000000A41000-memory.dmpFilesize
4KB
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memory/1156-75-0x0000000000490000-0x00000000004AB000-memory.dmpFilesize
108KB
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memory/1156-76-0x0000000004E40000-0x0000000004E41000-memory.dmpFilesize
4KB
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memory/1156-78-0x00000000006F0000-0x0000000000719000-memory.dmpFilesize
164KB
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memory/1156-68-0x0000000000000000-mapping.dmp
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memory/1160-73-0x0000000000000000-mapping.dmp
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memory/1160-74-0x000007FEFB531000-0x000007FEFB533000-memory.dmpFilesize
8KB
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memory/1240-63-0x0000000075051000-0x0000000075053000-memory.dmpFilesize
8KB
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memory/1912-80-0x00000000004139DE-mapping.dmp
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memory/1912-79-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB
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memory/1912-83-0x0000000000400000-0x00000000004A2000-memory.dmpFilesize
648KB