Analysis
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max time kernel
101s -
max time network
44s -
platform
windows7_x64 -
resource
win7v20210410 -
submitted
14-06-2021 14:53
Static task
static1
Behavioral task
behavioral1
Sample
enjoin-06.21.doc
Resource
win7v20210410
Behavioral task
behavioral2
Sample
enjoin-06.21.doc
Resource
win10v20210408
General
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Target
enjoin-06.21.doc
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Size
49KB
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MD5
68f3731796cce6ce450d1b9e05093b2a
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SHA1
9ccac54605eb3b0aa365cb359f6c71cb0a912fb8
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SHA256
b794fe749ab133b1a4197cd713c0d8e70723058e5c2d3df57b553475c12e42a8
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SHA512
ebd6e06b28ccb3a03d463da8d343a79ba31fc0b30424be972a520f5352561ddc4121f0a81744c30b80fb2c18660078c0ea72f0b22303ce2b7c68614c0124592b
Malware Config
Extracted
gozi_ifsb
6000
authd.feronok.com
app.bighomegl.at
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build
250204
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exe_type
loader
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server_id
580
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:
explorer.exedescription pid pid_target process target process Parent C:\Program Files (x86)\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1576 1072 explorer.exe WINWORD.EXE -
Blocklisted process makes network request 1 IoCs
Processes:
mshta.exeflow pid process 6 1480 mshta.exe -
Downloads MZ/PE file
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Loads dropped DLL 1 IoCs
Processes:
regsvr32.exepid process 284 regsvr32.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 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
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Office loads VBA resources, possible macro or embedded object present
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Processes:
WINWORD.EXEmshta.exedescription ioc process Set value (str) \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar\ShowDiscussionButton = "Yes" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt WINWORD.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" WINWORD.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" WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\E&xport to Microsoft Excel WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Main mshta.exe Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\Toolbar WINWORD.EXE Key created \REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Internet Explorer\MenuExt\Se&nd to OneNote WINWORD.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" WINWORD.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" WINWORD.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 1072 WINWORD.EXE -
Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
WINWORD.EXEpid process 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE 1072 WINWORD.EXE -
Suspicious use of WriteProcessMemory 19 IoCs
Processes:
WINWORD.EXEexplorer.exemshta.exedescription pid process target process PID 1072 wrote to memory of 1576 1072 WINWORD.EXE explorer.exe PID 1072 wrote to memory of 1576 1072 WINWORD.EXE explorer.exe PID 1072 wrote to memory of 1576 1072 WINWORD.EXE explorer.exe PID 1072 wrote to memory of 1576 1072 WINWORD.EXE explorer.exe PID 652 wrote to memory of 1480 652 explorer.exe mshta.exe PID 652 wrote to memory of 1480 652 explorer.exe mshta.exe PID 652 wrote to memory of 1480 652 explorer.exe mshta.exe PID 652 wrote to memory of 1480 652 explorer.exe mshta.exe PID 1072 wrote to memory of 1092 1072 WINWORD.EXE splwow64.exe PID 1072 wrote to memory of 1092 1072 WINWORD.EXE splwow64.exe PID 1072 wrote to memory of 1092 1072 WINWORD.EXE splwow64.exe PID 1072 wrote to memory of 1092 1072 WINWORD.EXE splwow64.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.exe PID 1480 wrote to memory of 284 1480 mshta.exe regsvr32.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\enjoin-06.21.doc"1⤵
- 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\explorer.exec:\\windows\\explorer c:\programdata\globalCounter.hta2⤵
- Process spawned unexpected child process
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C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵
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C:\Windows\explorer.exeC:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding1⤵
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\mshta.exe"C:\Windows\SysWOW64\mshta.exe" "C:\ProgramData\globalCounter.hta"2⤵
- Blocklisted process makes network request
- Modifies Internet Explorer settings
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exe"C:\Windows\System32\regsvr32.exe" c:\users\public\globalCounter.jpg3⤵
- Loads dropped DLL
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\globalCounter.htaMD5
a10cc5c493b3ebc1f075424e146e92f0
SHA11ccaa12aae57ee57c36db36d5eb315373bcadb6c
SHA2563b5b0403702eb792bae7f736afdfb7474d83a1ee471c334e9988926d3cf420ae
SHA512148c03979dedb4b24ca88dad4b0d4d7ea6409febd34921044fa37be016632bb0267c737ef2b0d3da317010f0a868ced277ec632868cd8810fdc80646260adcdd
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\??\c:\users\public\globalCounter.jpgMD5
e630fe97d30fe1462fb891d52e11cbb8
SHA16287e061b247b7c9ae3c62d4ffdcbd042495ab82
SHA2567f9fa29fe79ef52e550c48e9c6729a92b0f58575b67c65825259300092e05e8f
SHA512eb3b950019b78b973adee41deedd9d6d044ddc4b435da10e9d60e2353bb9c82cdd4cfadf504a695f69f378fc89d023eb1f93948ec0b0e86ea62fbbc67f7ef998
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\Users\Public\globalCounter.jpgMD5
e630fe97d30fe1462fb891d52e11cbb8
SHA16287e061b247b7c9ae3c62d4ffdcbd042495ab82
SHA2567f9fa29fe79ef52e550c48e9c6729a92b0f58575b67c65825259300092e05e8f
SHA512eb3b950019b78b973adee41deedd9d6d044ddc4b435da10e9d60e2353bb9c82cdd4cfadf504a695f69f378fc89d023eb1f93948ec0b0e86ea62fbbc67f7ef998
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memory/284-75-0x0000000067C60000-0x0000000067D0F000-memory.dmpFilesize
700KB
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memory/284-76-0x0000000000110000-0x0000000000111000-memory.dmpFilesize
4KB
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memory/284-74-0x0000000067C60000-0x0000000067C6D000-memory.dmpFilesize
52KB
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memory/284-70-0x0000000000000000-mapping.dmp
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memory/1072-60-0x0000000070321000-0x0000000070323000-memory.dmpFilesize
8KB
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memory/1072-61-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1072-77-0x000000005FFF0000-0x0000000060000000-memory.dmpFilesize
64KB
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memory/1072-59-0x00000000728A1000-0x00000000728A4000-memory.dmpFilesize
12KB
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memory/1092-67-0x0000000000000000-mapping.dmp
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memory/1480-68-0x00000000752F1000-0x00000000752F3000-memory.dmpFilesize
8KB
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memory/1480-66-0x0000000000000000-mapping.dmp
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memory/1576-63-0x000007FEFBD91000-0x000007FEFBD93000-memory.dmpFilesize
8KB
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memory/1576-62-0x0000000000000000-mapping.dmp