Analysis
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max time kernel
148s -
max time network
147s -
platform
windows10-1703_x64 -
resource
win10-20220901-en -
resource tags
arch:x64arch:x86image:win10-20220901-enlocale:en-usos:windows10-1703-x64system -
submitted
10/11/2022, 10:29
Behavioral task
behavioral1
Sample
237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c.xls
Resource
win10-20220812-en
Behavioral task
behavioral2
Sample
237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c.xls
Resource
win10-20220901-en
General
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Target
237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c.xls
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Size
91KB
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MD5
9cbb4d282a69c3ef633331a614f97f94
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SHA1
3002a39d7c5e42b199561321673b6faa2d39694c
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SHA256
237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c
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SHA512
03bc0badc24241ec516faccc8d1dbeaf6659231a3357e28496fdd73b1d6535a3f1618305f15b81107c6e85702bcd44d64c11475c0f4b1506ed158d7ab4407e8d
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SSDEEP
1536:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgGbCXuZH4gb4CEn9J4Z/is9o2:wKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgm
Malware Config
Extracted
https://bosny.com/aspnet_client/R50QIOGjmvVlr/
http://navylin.com/autopoisonous/4fZQW/
http://asrani.garudaputih.com/nutabalong/bJYqoUIr99qNfoPDx/
http://db.rikaz.tech/lCx76IlkrBtEsqNFA7/zPYJzpOnzstNOiRHob/
Extracted
emotet
Epoch5
202.28.34.99:8080
80.211.107.116:8080
175.126.176.79:8080
218.38.121.17:443
139.196.72.155:8080
103.71.99.57:8080
87.106.97.83:7080
178.62.112.199:8080
64.227.55.231:8080
46.101.98.60:8080
54.37.228.122:443
128.199.217.206:443
190.145.8.4:443
209.239.112.82:8080
85.214.67.203:8080
198.199.70.22:8080
128.199.242.164:8080
178.238.225.252:8080
103.85.95.4:8080
103.126.216.86:443
104.244.79.94:443
36.67.23.59:443
37.44.244.177:8080
160.16.143.191:8080
85.25.120.45:8080
103.56.149.105:8080
210.57.209.142:8080
195.77.239.39:8080
62.171.178.147:8080
118.98.72.86:443
103.224.241.74:8080
185.148.169.10:8080
103.41.204.169:8080
186.250.48.5:443
165.22.254.236:8080
93.104.209.107:8080
139.59.80.108:8080
196.44.98.190:8080
114.79.130.68:443
115.178.55.22:80
103.254.12.236:7080
172.105.115.71:8080
174.138.33.49:7080
51.75.33.122:443
83.229.80.93:8080
78.47.204.80:443
188.165.79.151:443
202.134.4.210:7080
82.98.180.154:7080
Signatures
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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 452 1644 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1196 1644 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1956 1644 regsvr32.exe 66 Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process 1948 1644 regsvr32.exe 66 -
Downloads MZ/PE file
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Loads dropped DLL 2 IoCs
pid Process 452 regsvr32.exe 1196 regsvr32.exe -
Adds Run key to start application 2 TTPs 4 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\Fbiy.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\NrqtG\\Fbiy.dll\"" regsvr32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run regsvr32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DUzhnpOCizEYUpUS.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\IcpCxPodwgJDfVk\\DUzhnpOCizEYUpUS.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 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 Key opened \REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0 EXCEL.EXE -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE -
Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1644 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 12 IoCs
pid Process 452 regsvr32.exe 452 regsvr32.exe 3208 regsvr32.exe 3208 regsvr32.exe 3208 regsvr32.exe 3208 regsvr32.exe 1196 regsvr32.exe 1196 regsvr32.exe 2112 regsvr32.exe 2112 regsvr32.exe 2112 regsvr32.exe 2112 regsvr32.exe -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE 1644 EXCEL.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 1644 wrote to memory of 452 1644 EXCEL.EXE 70 PID 1644 wrote to memory of 452 1644 EXCEL.EXE 70 PID 452 wrote to memory of 3208 452 regsvr32.exe 71 PID 452 wrote to memory of 3208 452 regsvr32.exe 71 PID 1644 wrote to memory of 1196 1644 EXCEL.EXE 72 PID 1644 wrote to memory of 1196 1644 EXCEL.EXE 72 PID 1196 wrote to memory of 2112 1196 regsvr32.exe 73 PID 1196 wrote to memory of 2112 1196 regsvr32.exe 73 PID 1644 wrote to memory of 1956 1644 EXCEL.EXE 74 PID 1644 wrote to memory of 1956 1644 EXCEL.EXE 74 PID 1644 wrote to memory of 1948 1644 EXCEL.EXE 75 PID 1644 wrote to memory of 1948 1644 EXCEL.EXE 75
Processes
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\237b60f922241157a85d147ba1243226d3763872abd6dbb66d98f0550cea7d0c.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1644 -
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:452 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\IcpCxPodwgJDfVk\DUzhnpOCizEYUpUS.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3208
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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:1196 -
C:\Windows\system32\regsvr32.exeC:\Windows\system32\regsvr32.exe "C:\Windows\system32\NrqtG\Fbiy.dll"3⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:2112
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1956
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C:\Windows\System32\regsvr32.exeC:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx2⤵
- Process spawned unexpected child process
PID:1948
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
621KB
MD554663713c4755b14824b36f31af99561
SHA1242cb103a9c653490fe70e9624f8598d0351a88f
SHA25664c4ca763f96b5ebf7c01b3f68d8d82a56872a274e2ea9cfbb9d8971794cc115
SHA512374b79727f32540783b6370df3a0a95717abe0b441b5d1e85660371ed59d021acacee8c1027b74d246fcf5455df03340e9ed7349a78c615f49e904e0762886b0
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Filesize
621KB
MD54e8c394222a8ad3a013d41781d24070f
SHA184598e96917e7413baaa8906b4da8310360a41e5
SHA2561a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6
SHA51259b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32
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Filesize
621KB
MD554663713c4755b14824b36f31af99561
SHA1242cb103a9c653490fe70e9624f8598d0351a88f
SHA25664c4ca763f96b5ebf7c01b3f68d8d82a56872a274e2ea9cfbb9d8971794cc115
SHA512374b79727f32540783b6370df3a0a95717abe0b441b5d1e85660371ed59d021acacee8c1027b74d246fcf5455df03340e9ed7349a78c615f49e904e0762886b0
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Filesize
621KB
MD54e8c394222a8ad3a013d41781d24070f
SHA184598e96917e7413baaa8906b4da8310360a41e5
SHA2561a481aa005d82e3ac514e4fd4525615b08285e2d1f52d4b650b0fb540cbd33a6
SHA51259b3e55f375daa7ad7bc0125b675d4dfb57fbf3ad7ab0744f7d54099057d17e0757ecb241fcab6e226e79f914954ca31221798ee75661e9ba738604e8d8cbf32