Analysis
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max time kernel
120s -
max time network
119s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
06-05-2021 10:06
Static task
static1
Behavioral task
behavioral1
Sample
viruss.xlsb
Resource
win7v20210410
Behavioral task
behavioral2
Sample
viruss.xlsb
Resource
win10v20210408
General
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Target
viruss.xlsb
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Size
37KB
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MD5
719009a094c6f3155e7abc537078b943
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SHA1
c4b3109cf39b301b30e732db7493f3241236ed1f
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SHA256
a2420c7f0c7bf5d3c0893aff6b7440a09c0531632434d2bbb6f8ed98b04317b9
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SHA512
6a7ae98bfd2ba970d544566bafdf05ba6eb1ee7b9a19e2f7720f69952e8360bcaa6f532fc7f46b638b5174682b55953f48868245af6c57ab787f31d02d45d0a2
Malware Config
Extracted
raccoon
c021300d0074689fde86c87568e215c582272721
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url4cnc
https://tttttt.me/ch0koalpengold
Signatures
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Downloads MZ/PE file
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Executes dropped EXE 1 IoCs
Processes:
test.exepid process 1264 test.exe -
Loads dropped DLL 10 IoCs
Processes:
EXCEL.EXEtest.exepid process 1104 EXCEL.EXE 1104 EXCEL.EXE 1264 test.exe 1264 test.exe 1264 test.exe 1264 test.exe 1264 test.exe 1264 test.exe 1264 test.exe 1264 test.exe -
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Office loads VBA resources, possible macro or embedded object present
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Delays execution with timeout.exe 1 IoCs
Processes:
timeout.exepid process 1760 timeout.exe -
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.EXEdescription ioc process 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 Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" 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 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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel 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 Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar EXCEL.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt EXCEL.EXE -
Processes:
test.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13 test.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\DAC9024F54D8F6DF94935FB1732638CA6AD77C13\Blob = 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 test.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
EXCEL.EXEpid process 1104 EXCEL.EXE -
Suspicious use of SetWindowsHookEx 3 IoCs
Processes:
EXCEL.EXEpid process 1104 EXCEL.EXE 1104 EXCEL.EXE 1104 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
Processes:
EXCEL.EXEtest.execmd.exedescription pid process target process PID 1104 wrote to memory of 1264 1104 EXCEL.EXE test.exe PID 1104 wrote to memory of 1264 1104 EXCEL.EXE test.exe PID 1104 wrote to memory of 1264 1104 EXCEL.EXE test.exe PID 1104 wrote to memory of 1264 1104 EXCEL.EXE test.exe PID 1264 wrote to memory of 1636 1264 test.exe cmd.exe PID 1264 wrote to memory of 1636 1264 test.exe cmd.exe PID 1264 wrote to memory of 1636 1264 test.exe cmd.exe PID 1264 wrote to memory of 1636 1264 test.exe cmd.exe PID 1636 wrote to memory of 1760 1636 cmd.exe timeout.exe PID 1636 wrote to memory of 1760 1636 cmd.exe timeout.exe PID 1636 wrote to memory of 1760 1636 cmd.exe timeout.exe PID 1636 wrote to memory of 1760 1636 cmd.exe timeout.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\viruss.xlsb1⤵
- Loads dropped DLL
- Enumerates system info in registry
- Modifies Internet Explorer settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1104 -
C:\Users\Admin\AppData\Local\Temp\test.exeC:\Users\Admin\AppData\Local\Temp\test.exe2⤵
- Executes dropped EXE
- Loads dropped DLL
- Modifies system certificate store
- Suspicious use of WriteProcessMemory
PID:1264 -
C:\Windows\SysWOW64\cmd.execmd.exe /C timeout /T 10 /NOBREAK > Nul & Del /f /q "C:\Users\Admin\AppData\Local\Temp\test.exe"3⤵
- Suspicious use of WriteProcessMemory
PID:1636 -
C:\Windows\SysWOW64\timeout.exetimeout /T 10 /NOBREAK4⤵
- Delays execution with timeout.exe
PID:1760
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\Local\Temp\test.exeMD5
7a09cabba9c55ae1d5c1255dafa94366
SHA1d39c39dd600e3081213ed627a13ed2b4003531f5
SHA256833c8c34a6c6dcdeaeeff648f0db155c5401bc03f538b2153bdc3bc970bb4e1b
SHA512cff43d8648cf339a04284fee3690cfffb6d02832290308fa930186f3470fb1bfb95f739b8ee724dcdcb341f923ac5536daa972932d1a34d4c49c4ca399fadacf
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C:\Users\Admin\AppData\Local\Temp\test.exeMD5
7a09cabba9c55ae1d5c1255dafa94366
SHA1d39c39dd600e3081213ed627a13ed2b4003531f5
SHA256833c8c34a6c6dcdeaeeff648f0db155c5401bc03f538b2153bdc3bc970bb4e1b
SHA512cff43d8648cf339a04284fee3690cfffb6d02832290308fa930186f3470fb1bfb95f739b8ee724dcdcb341f923ac5536daa972932d1a34d4c49c4ca399fadacf
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\freebl3.dllMD5
60acd24430204ad2dc7f148b8cfe9bdc
SHA1989f377b9117d7cb21cbe92a4117f88f9c7693d9
SHA2569876c53134dbbec4dcca67581f53638eba3fea3a15491aa3cf2526b71032da97
SHA512626c36e9567f57fa8ec9c36d96cbadede9c6f6734a7305ecfb9f798952bbacdfa33a1b6c4999ba5b78897dc2ec6f91870f7ec25b2ceacbaee4be942fe881db01
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\mozglue.dllMD5
eae9273f8cdcf9321c6c37c244773139
SHA18378e2a2f3635574c106eea8419b5eb00b8489b0
SHA256a0c6630d4012ae0311ff40f4f06911bcf1a23f7a4762ce219b8dffa012d188cc
SHA51206e43e484a89cea9ba9b9519828d38e7c64b040f44cdaeb321cbda574e7551b11fea139ce3538f387a0a39a3d8c4cba7f4cf03e4a3c98db85f8121c2212a9097
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\msvcp140.dllMD5
109f0f02fd37c84bfc7508d4227d7ed5
SHA1ef7420141bb15ac334d3964082361a460bfdb975
SHA256334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4
SHA51246eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\nss3.dllMD5
02cc7b8ee30056d5912de54f1bdfc219
SHA1a6923da95705fb81e368ae48f93d28522ef552fb
SHA2561989526553fd1e1e49b0fea8036822ca062d3d39c4cab4a37846173d0f1753d5
SHA5120d5dfcf4fb19b27246fa799e339d67cd1b494427783f379267fb2d10d615ffb734711bab2c515062c078f990a44a36f2d15859b1dacd4143dcc35b5c0cee0ef5
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\softokn3.dllMD5
4e8df049f3459fa94ab6ad387f3561ac
SHA106ed392bc29ad9d5fc05ee254c2625fd65925114
SHA25625a4dae37120426ab060ebb39b7030b3e7c1093cc34b0877f223b6843b651871
SHA5123dd4a86f83465989b2b30c240a7307edd1b92d5c1d5c57d47eff287dc9daa7bace157017908d82e00be90f08ff5badb68019ffc9d881440229dcea5038f61cd6
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\Users\Admin\AppData\LocalLow\gC9tT2iQ3s\vcruntime140.dllMD5
7587bf9cb4147022cd5681b015183046
SHA1f2106306a8f6f0da5afb7fc765cfa0757ad5a628
SHA256c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d
SHA5120b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f
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\Users\Admin\AppData\LocalLow\sqlite3.dllMD5
f964811b68f9f1487c2b41e1aef576ce
SHA1b423959793f14b1416bc3b7051bed58a1034025f
SHA25683bc57dcf282264f2b00c21ce0339eac20fcb7401f7c5472c0cd0c014844e5f7
SHA512565b1a7291c6fcb63205907fcd9e72fc2e11ca945afc4468c378edba882e2f314c2ac21a7263880ff7d4b84c2a1678024c1ac9971ac1c1de2bfa4248ec0f98c4
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\Users\Admin\AppData\Local\Temp\test.exeMD5
7a09cabba9c55ae1d5c1255dafa94366
SHA1d39c39dd600e3081213ed627a13ed2b4003531f5
SHA256833c8c34a6c6dcdeaeeff648f0db155c5401bc03f538b2153bdc3bc970bb4e1b
SHA512cff43d8648cf339a04284fee3690cfffb6d02832290308fa930186f3470fb1bfb95f739b8ee724dcdcb341f923ac5536daa972932d1a34d4c49c4ca399fadacf
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\Users\Admin\AppData\Local\Temp\test.exeMD5
7a09cabba9c55ae1d5c1255dafa94366
SHA1d39c39dd600e3081213ed627a13ed2b4003531f5
SHA256833c8c34a6c6dcdeaeeff648f0db155c5401bc03f538b2153bdc3bc970bb4e1b
SHA512cff43d8648cf339a04284fee3690cfffb6d02832290308fa930186f3470fb1bfb95f739b8ee724dcdcb341f923ac5536daa972932d1a34d4c49c4ca399fadacf
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memory/1104-60-0x000000002FF61000-0x000000002FF64000-memory.dmpFilesize
12KB
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memory/1104-62-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1104-61-0x0000000071D01000-0x0000000071D03000-memory.dmpFilesize
8KB
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memory/1104-81-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1264-69-0x0000000000400000-0x00000000004AC000-memory.dmpFilesize
688KB
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memory/1264-68-0x00000000002E0000-0x0000000000371000-memory.dmpFilesize
580KB
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memory/1264-67-0x0000000076E11000-0x0000000076E13000-memory.dmpFilesize
8KB
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memory/1264-65-0x0000000000000000-mapping.dmp
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memory/1636-78-0x0000000000000000-mapping.dmp
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memory/1760-79-0x0000000000000000-mapping.dmp