emotet | 041eccfff935062591c4e579eb5f43297b2c8d70ab47971dc76f5825901bdb57

Analysis

max time kernel
158s
max time network
162s
platform
windows10-2004_x64
resource
win10v2004-en-20220113
submitted
30/03/2022, 19:50

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General

Target
e6a7ce6a149f4e02c049cab07145c1d8.xls
Size 106KB
Sample220330-yj8ffacfer
SHA256 041eccfff935062591c4e579eb5f43297b2c8d70ab47971dc76f5825901bdb57
MD5 e6a7ce6a149f4e02c049cab07145c1d8
SHA1 4c462d4ea0b37e525768315b508b9a045683185d
SHA512 7153d1d8adcdd32832ffee3c96ecdca1804372e44369279573f82c54f4226ec758a7a9bf032e4e22eef117fb2b4c4b204398055b7220b5f325888c820aa8dcf7
MD5 SHA1 SHA512

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://www.gessersh.com/wp-includes/ZwQLepW/

Extracted

Family

emotet

Botnet

Epoch4

45.176.232.125:443
138.197.109.175:8080
187.84.80.182:443
79.143.187.147:443
189.232.46.161:443
103.70.28.102:8080
134.122.66.193:8080
151.106.112.196:8080
160.16.142.56:8080
212.24.98.99:8080
188.44.20.25:443
197.242.150.244:8080
206.189.28.199:8080
172.104.251.154:8080
103.43.46.182:443
203.114.109.124:443
103.75.201.2:443
58.227.42.236:80
201.94.166.162:443
189.126.111.200:7080
185.8.212.130:7080
167.99.115.35:8080
129.232.188.93:443
1.234.2.232:8080
153.126.146.25:7080
185.157.82.211:8080
131.100.24.231:80
1.234.21.73:7080
192.99.251.50:443
119.193.124.41:7080
159.8.59.82:8080
158.69.222.101:443
51.254.140.238:7080
5.9.116.246:8080
45.176.232.124:443
159.65.88.10:8080
101.50.0.91:8080
107.182.225.142:8080
167.172.253.162:8080
79.172.212.216:8080
50.30.40.196:8080
196.218.30.83:443
51.91.7.5:8080
212.237.17.99:8080
72.15.201.15:8080
183.111.227.137:8080
51.91.76.89:8080
209.250.246.206:443
176.104.106.96:8080
46.55.222.11:443
209.126.98.206:8080
164.68.99.3:8080
176.56.128.118:443
103.132.242.26:8080
110.232.117.186:8080
146.59.226.45:443
173.212.193.249:8080
82.165.152.127:8080
45.118.115.99:8080
216.158.226.206:443

eck1.plain

ecs1.plain

Signatures

Emotet
Emotet is a trojan that is primarily spread through spam emails.
trojan banker emotet

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	4340	1184	regsvr32.exe	78

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Loads dropped DLL 2 IoCs

pid	Process
4340	regsvr32.exe
5048	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Vraxc\xuibqchph.pba	regsvr32.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

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

Query Registry

T1012

System Information Discovery

T1082

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
1184	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
5048	regsvr32.exe
5048	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
1184	EXCEL.EXE
1184	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE
1184	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 1184 wrote to memory of 4340	1184	EXCEL.EXE	84
PID 1184 wrote to memory of 4340	1184	EXCEL.EXE	84
PID 1184 wrote to memory of 4340	1184	EXCEL.EXE	84
PID 4340 wrote to memory of 5048	4340	regsvr32.exe	85
PID 4340 wrote to memory of 5048	4340	regsvr32.exe	85
PID 4340 wrote to memory of 5048	4340	regsvr32.exe	85

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\e6a7ce6a149f4e02c049cab07145c1d8.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:1184
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\urtj.dll
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:4340
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Vraxc\xuibqchph.pba"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:5048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

urtj.dll

Path C:\Users\Admin\urtj.dll
Size 431KB
SHA256 ee0e5f5a1f8b1a940bac7e3c57b884327f07962aeb99298ba0f3f8c9a707ee7a
MD5 236b2e0821d12d17ec88ceddc110c745
SHA1 cc1ddf2aa4acbebdd4abdc31292b50e63486d466
SHA512 74f2927e0c7b5cd30111630214e69be2377bebcb568f3c534ab814c703b73bbebeea0417df7ed41d754ef6ee68917baf97c3810848e1ae0c8a7df202a28f84f8
MD5 SHA1 SHA512

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urtj.dll

Path C:\Users\Admin\urtj.dll
Size 431KB
SHA256 ee0e5f5a1f8b1a940bac7e3c57b884327f07962aeb99298ba0f3f8c9a707ee7a
MD5 236b2e0821d12d17ec88ceddc110c745
SHA1 cc1ddf2aa4acbebdd4abdc31292b50e63486d466
SHA512 74f2927e0c7b5cd30111630214e69be2377bebcb568f3c534ab814c703b73bbebeea0417df7ed41d754ef6ee68917baf97c3810848e1ae0c8a7df202a28f84f8
MD5 SHA1 SHA512

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xuibqchph.pba

Path C:\Windows\SysWOW64\Vraxc\xuibqchph.pba
Size 431KB
SHA256 ee0e5f5a1f8b1a940bac7e3c57b884327f07962aeb99298ba0f3f8c9a707ee7a
MD5 236b2e0821d12d17ec88ceddc110c745
SHA1 cc1ddf2aa4acbebdd4abdc31292b50e63486d466
SHA512 74f2927e0c7b5cd30111630214e69be2377bebcb568f3c534ab814c703b73bbebeea0417df7ed41d754ef6ee68917baf97c3810848e1ae0c8a7df202a28f84f8
MD5 SHA1 SHA512

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memory/1184-130-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

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memory/1184-131-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

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memory/1184-132-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

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memory/1184-133-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

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memory/1184-134-0x00007FFCDF8F0000-0x00007FFCDF900000-memory.dmp

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memory/4340-138-0x0000000000E70000-0x0000000000E94000-memory.dmp

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memory/5048-143-0x00000000006A0000-0x00000000006C4000-memory.dmp

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