Analysis
- max time kernel
150s - max time network
148s - platform
windows10-1703_x64 - resource
win10-20220901-en - resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system - submitted
09/11/2022, 18:15
Behavioral task
behavioral1
Sample
cc6a80c9ed0c68c5499b657a7c32d640260548add7c366f0a1934cf2d7b87752.xls
Resource
win10-20220901-en
Behavioral task
behavioral2
Sample
cc6a80c9ed0c68c5499b657a7c32d640260548add7c366f0a1934cf2d7b87752.xls
Resource
win10-20220901-en
General
- Target cc6a80c9ed0c68c5499b657a7c32d640260548add7c366f0a1934cf2d7b87752.xls
- Size 91KB
- Sample221109-wv4khscffm
- SHA256 cc6a80c9ed0c68c5499b657a7c32d640260548add7c366f0a1934cf2d7b87752
- MD5 1faf7de83caa4b766cffaf5d78c0deab
- SHA1 9766612f03eac70ae831b7d2883208b7a028bb74
- SHA512 cf4e6e20dbee3e61673b1dacd961b938edc24c8172fe0e8a9011907407d2cb8f2f06f0bcd4c0dff398acd6b3fb101032801a5f778b2f44c352c74906e415fa9c
- SSDEEP 1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dg2bCXuZH4gb4CEn9J4Z2cvp:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dge
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
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xlm4.0
-
xlm40.dropper
http://bundlefilm.com/headers/lkfBH3Czw9CjEW07P2/
-
xlm40.dropper
http://camsanparke.net/wp-content/h2Ja5bwB03hnyfCb/
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xlm40.dropper
http://royreid.co.uk/wp-content/dCwG/
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xlm40.dropper
https://cs.com.sg/admin/a1lR5wu/
Extracted
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emotet
-
Epoch5
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178.238.225.252:8080
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139.196.72.155:8080
-
36.67.23.59:443
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103.56.149.105:8080
-
37.44.244.177:8080
-
85.25.120.45:8080
-
202.134.4.210:7080
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78.47.204.80:443
-
83.229.80.93:8080
-
93.104.209.107:8080
-
80.211.107.116:8080
-
165.22.254.236:8080
-
104.244.79.94:443
-
185.148.169.10:8080
-
190.145.8.4:443
-
175.126.176.79:8080
-
139.59.80.108:8080
-
188.165.79.151:443
-
128.199.217.206:443
-
64.227.55.231:8080
-
218.38.121.17:443
-
103.71.99.57:8080
-
103.224.241.74:8080
-
128.199.242.164:8080
-
85.214.67.203:8080
-
103.254.12.236:7080
-
46.101.98.60:8080
-
178.62.112.199:8080
-
210.57.209.142:8080
-
195.77.239.39:8080
-
103.126.216.86:443
-
82.98.180.154:7080
-
202.28.34.99:8080
-
174.138.33.49:7080
-
160.16.143.191:8080
-
51.75.33.122:443
-
103.41.204.169:8080
-
186.250.48.5:443
-
87.106.97.83:7080
-
118.98.72.86:443
-
196.44.98.190:8080
-
103.85.95.4:8080
-
62.171.178.147:8080
-
54.37.228.122:443
-
114.79.130.68:443
-
198.199.70.22:8080
Signatures
- Process spawned unexpected child process 4 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4000 1980 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4804 1980 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 4660 1980 regsvr32.exe 65 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1152 1980 regsvr32.exe 65 - Downloads MZ/PE file
- Loads dropped DLL 4 IoCs
pid Process 4000 regsvr32.exe 4804 regsvr32.exe 4660 regsvr32.exe 1152 regsvr32.exe - Adds Run key to start application 2 TTPs 8 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UrdcTSeBfQZg.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\BEaElfoxPbAxEEuoQ\\UrdcTSeBfQZg.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\RMFlsFDsitoksn.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\YFONlEPYT\\RMFlsFDsitoksn.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\lqSNYnszE.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\SEcolVaXivQCnQk\\lqSNYnszE.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\UqafYUj.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\UFwPLjcNEqfQsxXD\\UqafYUj.dll\"" regsvr32.exe - Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString EXCEL.EXE - Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1980 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 24 IoCs
pid Process 4000 regsvr32.exe 4000 regsvr32.exe 5008 regsvr32.exe 5008 regsvr32.exe 4804 regsvr32.exe 4804 regsvr32.exe 5008 regsvr32.exe 5008 regsvr32.exe 4692 regsvr32.exe 4692 regsvr32.exe 4660 regsvr32.exe 4660 regsvr32.exe 4692 regsvr32.exe 4692 regsvr32.exe 4312 regsvr32.exe 4312 regsvr32.exe 4312 regsvr32.exe 4312 regsvr32.exe 1152 regsvr32.exe 1152 regsvr32.exe 412 regsvr32.exe 412 regsvr32.exe 412 regsvr32.exe 412 regsvr32.exe - Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1980 EXCEL.EXE 1980 EXCEL.EXE - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE 1980 EXCEL.EXE - Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 1980 wrote to memory of 4000 1980 EXCEL.EXE 68 PID 1980 wrote to memory of 4000 1980 EXCEL.EXE 68 PID 4000 wrote to memory of 5008 4000 regsvr32.exe 70 PID 4000 wrote to memory of 5008 4000 regsvr32.exe 70 PID 1980 wrote to memory of 4804 1980 EXCEL.EXE 71 PID 1980 wrote to memory of 4804 1980 EXCEL.EXE 71 PID 4804 wrote to memory of 4692 4804 regsvr32.exe 72 PID 4804 wrote to memory of 4692 4804 regsvr32.exe 72 PID 1980 wrote to memory of 4660 1980 EXCEL.EXE 73 PID 1980 wrote to memory of 4660 1980 EXCEL.EXE 73 PID 4660 wrote to memory of 4312 4660 regsvr32.exe 74 PID 4660 wrote to memory of 4312 4660 regsvr32.exe 74 PID 1980 wrote to memory of 1152 1980 EXCEL.EXE 75 PID 1980 wrote to memory of 1152 1980 EXCEL.EXE 75 PID 1152 wrote to memory of 412 1152 regsvr32.exe 76 PID 1152 wrote to memory of 412 1152 regsvr32.exe 76
Processes
-
C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\cc6a80c9ed0c68c5499b657a7c32d640260548add7c366f0a1934cf2d7b87752.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1980 -
C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4000 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\UFwPLjcNEqfQsxXD\UqafYUj.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:5008
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-
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4804 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\BEaElfoxPbAxEEuoQ\UrdcTSeBfQZg.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4692
-
-
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4660 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\YFONlEPYT\RMFlsFDsitoksn.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4312
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-
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:1152 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\SEcolVaXivQCnQk\lqSNYnszE.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:412
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-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
- Path C:\Users\Admin\elv1.ooocccxxx
- Size 434KB
- SHA256 6d8ae73e0fede3a0adf74f03a46cfecdf7ecdeb37dd3ab8a38b674811f7677e9
- MD5 816ac7c8d636a81386448ec830d5b4cd
- SHA1 1dc15ec4db65e1bbaeb4788b0e30b138d210afe0
- SHA512 b00d28f12d0d532da0be173874bc12fbb99c2eee40968eb16ca3fa520457a3dce7c68196120a88360fd776ebbcb20b35d239d7c535bfebb893a8f0461b8f6a7d
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzc:ObB2Xq/cmRq2B+4VQ
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv2.ooocccxxx
- Size 434KB
- SHA256 6d0fdf71847b8008cf5c3d521c8deda7dc6e40c7ca80a4a4c5be90d152c8e824
- MD5 808241d3e7675dffea0a607f673040f1
- SHA1 dc52b15bfb7877d7fb76a25610a7a734103fa09b
- SHA512 f5dd68de431739637c681da92a5a0fa351ff1703d402743daa0c1389ac1c35564f1557962047a128c5039ba1e183a631cb20c0662839562c70abe0a6c4620972
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz6:ObB2Xq/cmRq2B+4Vm
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv3.ooocccxxx
- Size 434KB
- SHA256 23c3feb4ba1234b0c672e1e27f043942270cf968f22f623493d4568fe83e11c1
- MD5 9a692f6d2d21a96da8d16bb95dad2559
- SHA1 114fc46dc38ea878b5a88a78485f9e80c7acf697
- SHA512 61159bd6d529ed6e70efc17b45391ce399193a5d4e3b468434dbcdf977642e49fc4365d6bbef64ba80d634f4e5dd4503bf438446a06e3aa1a567c672230d4b2b
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzd:ObB2Xq/cmRq2B+4Vh
- MD5 SHA1 SHA512 SSDEEP
- Path C:\Users\Admin\elv4.ooocccxxx
- Size 434KB
- SHA256 c8295f8dd79a3601b0377082794de6bbde2517f7dd215cecb2e316157fa31867
- MD5 4d230aba6ab67985c03edac44e9e1e99
- SHA1 546753f328c41e55ac0765961d549d41105d7008
- SHA512 9a4aa9db962986acd112c69a5e1a577a780ef45806c86244aad6742e97dcd4175ea804312a42742253ab66d25aa57fa7ea1b5c6c1794c1cca687bdfdffa62cf9
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz1:ObB2Xq/cmRq2B+4VB
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\elv1.ooocccxxx
- Size 434KB
- SHA256 6d8ae73e0fede3a0adf74f03a46cfecdf7ecdeb37dd3ab8a38b674811f7677e9
- MD5 816ac7c8d636a81386448ec830d5b4cd
- SHA1 1dc15ec4db65e1bbaeb4788b0e30b138d210afe0
- SHA512 b00d28f12d0d532da0be173874bc12fbb99c2eee40968eb16ca3fa520457a3dce7c68196120a88360fd776ebbcb20b35d239d7c535bfebb893a8f0461b8f6a7d
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzc:ObB2Xq/cmRq2B+4VQ
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\elv2.ooocccxxx
- Size 434KB
- SHA256 6d0fdf71847b8008cf5c3d521c8deda7dc6e40c7ca80a4a4c5be90d152c8e824
- MD5 808241d3e7675dffea0a607f673040f1
- SHA1 dc52b15bfb7877d7fb76a25610a7a734103fa09b
- SHA512 f5dd68de431739637c681da92a5a0fa351ff1703d402743daa0c1389ac1c35564f1557962047a128c5039ba1e183a631cb20c0662839562c70abe0a6c4620972
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz6:ObB2Xq/cmRq2B+4Vm
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\elv3.ooocccxxx
- Size 434KB
- SHA256 23c3feb4ba1234b0c672e1e27f043942270cf968f22f623493d4568fe83e11c1
- MD5 9a692f6d2d21a96da8d16bb95dad2559
- SHA1 114fc46dc38ea878b5a88a78485f9e80c7acf697
- SHA512 61159bd6d529ed6e70efc17b45391ce399193a5d4e3b468434dbcdf977642e49fc4365d6bbef64ba80d634f4e5dd4503bf438446a06e3aa1a567c672230d4b2b
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlzd:ObB2Xq/cmRq2B+4Vh
- MD5 SHA1 SHA512 SSDEEP
- Path \Users\Admin\elv4.ooocccxxx
- Size 434KB
- SHA256 c8295f8dd79a3601b0377082794de6bbde2517f7dd215cecb2e316157fa31867
- MD5 4d230aba6ab67985c03edac44e9e1e99
- SHA1 546753f328c41e55ac0765961d549d41105d7008
- SHA512 9a4aa9db962986acd112c69a5e1a577a780ef45806c86244aad6742e97dcd4175ea804312a42742253ab66d25aa57fa7ea1b5c6c1794c1cca687bdfdffa62cf9
- SSDEEP 12288:O2APV8K2Xtw/V6XHWRBkF2TlfnBBO4Xlz1:ObB2Xq/cmRq2B+4VB
- MD5 SHA1 SHA512 SSDEEP