emotet | 894658b992050ab6d7ee061f083a48264ce56c1b4fbc5ac87c142765405a47f7

General

Target

azfptefx.xlsm
Size

50KB
MD5

793c5a832ea9b3c4a225bc96b4449bc2
SHA1

168afc78144b659b18b606a26c3e9a6343dd104a
SHA256

894658b992050ab6d7ee061f083a48264ce56c1b4fbc5ac87c142765405a47f7
SHA512

df041addb6c8113b2add5439f8ce258016233a47a13a3d540187872e4ac25fe3ac87b016bb391a703e0cb73189f1720c0e723b6df47ef971238312ed77a9b607

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://harleyqueretaro.com/renew2019/Back2016-12-22/cv/data/RjuiFMp4Fsp/

Extracted

Family

emotet

Botnet

Epoch4

C2

68.183.94.239:80

104.131.11.205:443

138.197.109.175:8080

187.84.80.182:443

79.143.187.147:443

216.158.226.206:443

167.99.115.35:8080

212.24.98.99:8080

1.234.21.73:7080

206.189.28.199:8080

158.69.222.101:443

164.68.99.3:8080

188.44.20.25:443

185.157.82.211:8080

134.122.66.193:8080

196.218.30.83:443

72.15.201.15:8080

5.9.116.246:8080

176.104.106.96:8080

153.126.146.25:7080

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.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5048	664	regsvr32.exe	EXCEL.EXE

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

5048 regsvr32.exe
2916 regsvr32.exe
Drops file in System32 directory 1 IoCs

Processes:

regsvr32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Yfsgaraiv\aeahqmzea.ybl regsvr32.exe

pid	process
5048	regsvr32.exe
2916	regsvr32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Yfsgaraiv\aeahqmzea.ybl	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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

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

Processes:

EXCEL.EXE

pid process

664 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

2916 regsvr32.exe
2916 regsvr32.exe

pid	process
2916	regsvr32.exe
2916	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE
664	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

EXCEL.EXEregsvr32.exe

description	pid	process	target process
PID 664 wrote to memory of 5048	664	EXCEL.EXE	regsvr32.exe
PID 664 wrote to memory of 5048	664	EXCEL.EXE	regsvr32.exe
PID 664 wrote to memory of 5048	664	EXCEL.EXE	regsvr32.exe
PID 5048 wrote to memory of 2916	5048	regsvr32.exe	regsvr32.exe
PID 5048 wrote to memory of 2916	5048	regsvr32.exe	regsvr32.exe
PID 5048 wrote to memory of 2916	5048	regsvr32.exe	regsvr32.exe

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\azfptefx.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:664

C:\Windows\SysWow64\regsvr32.exe
C:\Windows\SysWow64\regsvr32.exe -s ..\rulm.dll
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:5048

C:\Windows\SysWOW64\regsvr32.exe
C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Yfsgaraiv\aeahqmzea.ybl"
3⤵
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:2916

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\rulm.dll
Filesize
848KB

MD5
26bf9a27e1ae4680db6c0528579aa5d5

SHA1
1c606018e5dc1bd2189b88216ea82c59f72449e9

SHA256
7a2b948dfa606620068203247663247cb95c4a64fde2fa6e522a0a2828027352

SHA512
d91d47ac63a24fed894e460e4d03fe2f23636d0f1a561f267007e0d1910424f437a3c8a38100c6b81c2824c50a76cc3c777158023608643f83c29545fcf6b2fb

Download Submit
C:\Users\Admin\rulm.dll
Filesize
848KB

MD5
26bf9a27e1ae4680db6c0528579aa5d5

SHA1
1c606018e5dc1bd2189b88216ea82c59f72449e9

SHA256
7a2b948dfa606620068203247663247cb95c4a64fde2fa6e522a0a2828027352

SHA512
d91d47ac63a24fed894e460e4d03fe2f23636d0f1a561f267007e0d1910424f437a3c8a38100c6b81c2824c50a76cc3c777158023608643f83c29545fcf6b2fb

Download Submit
C:\Windows\SysWOW64\Yfsgaraiv\aeahqmzea.ybl
Filesize
848KB

MD5
26bf9a27e1ae4680db6c0528579aa5d5

SHA1
1c606018e5dc1bd2189b88216ea82c59f72449e9

SHA256
7a2b948dfa606620068203247663247cb95c4a64fde2fa6e522a0a2828027352

SHA512
d91d47ac63a24fed894e460e4d03fe2f23636d0f1a561f267007e0d1910424f437a3c8a38100c6b81c2824c50a76cc3c777158023608643f83c29545fcf6b2fb

Download Submit
memory/664-133-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp

Filesize
64KB

Download
memory/664-134-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp

Filesize
64KB

Download
memory/664-135-0x00007FFA352F0000-0x00007FFA35300000-memory.dmp

Filesize
64KB

Download
memory/664-136-0x00007FFA352F0000-0x00007FFA35300000-memory.dmp

Filesize
64KB

Download
memory/664-130-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp

Filesize
64KB

Download
memory/664-132-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp

Filesize
64KB

Download
memory/664-131-0x00007FFA37A10000-0x00007FFA37A20000-memory.dmp

Filesize
64KB

Download
memory/2916-143-0x0000000000000000-mapping.dmp

Download
memory/2916-145-0x0000000002C00000-0x0000000002C24000-memory.dmp

Filesize
144KB

Download
memory/5048-137-0x0000000000000000-mapping.dmp

Download
memory/5048-140-0x00000000023F0000-0x0000000002414000-memory.dmp

Filesize
144KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads