Analysis
- max time kernel
149s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
29/03/2022, 15:08
Static task
static1
Behavioral task
behavioral1
Sample
1c0121fab03b9c1e82a370ead1a925ea.xls
Resource
win7-20220311-en
General
- Target 1c0121fab03b9c1e82a370ead1a925ea.xls
- Size 126KB
- Sample220329-shv6tsfch4
- SHA256 fa0b00a97c0fcdee52edad2f04692efa11a8567946cffac17a52cfef6da485a6
- MD5 1c0121fab03b9c1e82a370ead1a925ea
- SHA1 9bb610465488c18f081a3646bd4057fb7da05c46
- SHA512 451ba87b3df5e31f5471acbf5aad091f16a12bb5bf60fece559002df28cf203da798c12337c23f81d581471eb4409d3ae00f6fe6d0a9ed988e5d04a4ee393f0b
- MD5 SHA1 SHA512
Malware Config
Extracted
-
xlm4.0
-
xlm40.dropper
http://drvishalchestclinic.com/wp-includes/SqqCZQ6y2uyFF/
-
xlm40.dropper
http://funestotal.com/5aclo1em/21U/
-
xlm40.dropper
http://g-wizcomputers.com/party/61W0ovBu86/
Extracted
-
emotet
-
Epoch4
-
216.120.236.62:8080
-
189.232.46.161:443
-
51.91.76.89:8080
-
217.182.25.250:8080
-
119.193.124.41:7080
-
159.8.59.82:8080
-
195.201.151.129:8080
-
58.227.42.236:80
-
212.24.98.99:8080
-
138.185.72.26:8080
-
131.100.24.231:80
-
192.99.251.50:443
-
158.69.222.101:443
-
197.242.150.244:8080
-
50.116.54.215:443
-
188.44.20.25:443
-
212.237.17.99:8080
-
153.126.146.25:7080
-
103.75.201.2:443
-
5.9.116.246:8080
-
185.8.212.130:7080
-
164.68.99.3:8080
-
45.118.135.203:7080
-
107.182.225.142:8080
-
151.106.112.196:8080
-
209.126.98.206:8080
-
79.172.212.216:8080
-
51.91.7.5:8080
-
72.15.201.15:8080
-
196.218.30.83:443
-
173.212.193.249:8080
-
82.165.152.127:8080
-
101.50.0.91:8080
-
103.43.46.182:443
-
216.158.226.206:443
-
167.172.253.162:8080
-
159.65.88.10:8080
-
50.30.40.196:8080
-
129.232.188.93:443
-
45.176.232.124:443
-
203.114.109.124:443
-
167.99.115.35:8080
-
195.154.133.20:443
-
51.254.140.238:7080
-
206.188.212.92:8080
-
31.24.158.56:8080
-
178.79.147.66:8080
-
45.118.115.99:8080
-
45.142.114.231:8080
-
185.157.82.211:8080
-
209.250.246.206:443
-
189.126.111.200:7080
-
1.234.21.73:7080
-
176.104.106.96:8080
-
201.94.166.162:443
-
110.232.117.186:8080
-
146.59.226.45:443
-
46.55.222.11:443
-
1.234.2.232:8080
-
134.122.66.193:8080
-
176.56.128.118:443
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 4528 1408 regsvr32.exe 78 - Downloads MZ/PE file
- Loads dropped DLL 2 IoCs
pid Process 4528 regsvr32.exe 2352 regsvr32.exe - Drops file in System32 directory 1 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\Rxpltrvmloef\mhbjsknbf.qtf 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\SystemFamily EXCEL.EXE Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU EXCEL.EXE Key opened \REGISTRY\MACHINE\Hardware\Description\System\BIOS EXCEL.EXE - Suspicious behavior: AddClipboardFormatListener 1 IoCs
pid Process 1408 EXCEL.EXE - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2352 regsvr32.exe 2352 regsvr32.exe - Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE 1408 EXCEL.EXE - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1408 wrote to memory of 4528 1408 EXCEL.EXE 86 PID 1408 wrote to memory of 4528 1408 EXCEL.EXE 86 PID 1408 wrote to memory of 4528 1408 EXCEL.EXE 86 PID 4528 wrote to memory of 2352 4528 regsvr32.exe 87 PID 4528 wrote to memory of 2352 4528 regsvr32.exe 87 PID 4528 wrote to memory of 2352 4528 regsvr32.exe 87
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\1c0121fab03b9c1e82a370ead1a925ea.xls"1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1408 -
C:\Windows\SysWow64\regsvr32.exeC:\Windows\SysWow64\regsvr32.exe -s ..\efhj.dll2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4528 -
C:\Windows\SysWOW64\regsvr32.exeC:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Rxpltrvmloef\mhbjsknbf.qtf"3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2352
-
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
- Path C:\Users\Admin\efhj.dll
- Size 576KB
- SHA256 bb01a42f1b01a2d94a33b0cc9d192a2b5b447289133e12d92b619903e87c7086
- MD5 3b11a40e721dc4d5ed7b931b6f707001
- SHA1 57ca7ad538b26c8830a3d1a9c14108029dcbab17
- SHA512 0bf66eb21bc00e64d0bf2da30378f5943506271762a7a7eedc681b23df3d5151ccd2f233a57447496ccbbdf013c2beadbc8d29391ce68bd6f52ef529e69eba47
- MD5 SHA1 SHA512
- Path C:\Users\Admin\efhj.dll
- Size 576KB
- SHA256 bb01a42f1b01a2d94a33b0cc9d192a2b5b447289133e12d92b619903e87c7086
- MD5 3b11a40e721dc4d5ed7b931b6f707001
- SHA1 57ca7ad538b26c8830a3d1a9c14108029dcbab17
- SHA512 0bf66eb21bc00e64d0bf2da30378f5943506271762a7a7eedc681b23df3d5151ccd2f233a57447496ccbbdf013c2beadbc8d29391ce68bd6f52ef529e69eba47
- MD5 SHA1 SHA512
- Path C:\Windows\SysWOW64\Rxpltrvmloef\mhbjsknbf.qtf
- Size 576KB
- SHA256 bb01a42f1b01a2d94a33b0cc9d192a2b5b447289133e12d92b619903e87c7086
- MD5 3b11a40e721dc4d5ed7b931b6f707001
- SHA1 57ca7ad538b26c8830a3d1a9c14108029dcbab17
- SHA512 0bf66eb21bc00e64d0bf2da30378f5943506271762a7a7eedc681b23df3d5151ccd2f233a57447496ccbbdf013c2beadbc8d29391ce68bd6f52ef529e69eba47
- MD5 SHA1 SHA512