emotet | bf6f906e69a4245fa12be92220db6bb8a9c5aa34026a8920aa5e29ce3d6adc60

Analysis

max time kernel
150s
max time network
130s
platform
windows10-2004_x64
resource
win10v2004-20220331-en
submitted
04/04/2022, 11:04

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General

Target
MES_3854.xls
Size 101KB
Sample220404-m59d3shddk
SHA256 bf6f906e69a4245fa12be92220db6bb8a9c5aa34026a8920aa5e29ce3d6adc60
MD5 63afa97abf8c429c99a5720fe3877012
SHA1 feda3bf501d3cce7a512cdde05a99ec938db1c38
SHA512 d28829aa92297303953e3dd95064ff49e81f6cadfb3f2526688184528271a188a1c1858a3b288f91a5a6be59c733043a74a468c1daa10bc567a614e219dbe561
MD5 SHA1 SHA512

Score

10^/10

emotet epoch5 banker suricata trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
https://decorusfinancial.com/wp-content/7dODakeZZ83fJi/
xlm40.dropper
https://e-kinerja.ntbprov.go.id/aset/sAeaEvaSxGhvnsuFE/

Extracted

Family

emotet

Botnet

Epoch5

5.189.160.61:443
94.177.178.26:8080
202.29.239.162:443
54.38.143.246:7080
119.59.125.140:8080
185.148.168.15:8080
188.166.229.148:443
2.58.16.87:8080
104.131.62.48:8080
103.82.248.59:7080
37.59.209.141:8080
103.133.214.242:8080
195.77.239.39:8080
128.199.192.135:8080
78.47.204.80:443
59.148.253.194:443
87.106.97.83:7080
45.71.195.104:8080
85.214.67.203:8080
139.196.72.155:8080
210.57.209.142:8080
194.9.172.107:8080
116.124.128.206:8080
118.98.72.86:443
203.153.216.46:443
202.28.34.99:8080
54.37.228.122:443
202.134.4.210:7080
88.217.172.165:8080
196.44.98.190:8080
195.154.146.35:443
217.182.143.207:443
36.67.23.59:443
207.148.81.119:8080
190.90.233.66:443
66.42.57.149:443
85.25.120.45:8080
93.104.209.107:8080
68.183.93.250:443
103.42.58.120:7080
5.56.132.177:8080
159.69.237.188:443
51.68.141.164:8080
54.37.106.167:8080
198.199.98.78:8080
54.38.242.185:443
62.171.178.147:8080
37.44.244.177:8080
103.41.204.169:8080
78.46.73.125:443
185.148.168.220:8080
191.252.103.16:80
175.126.176.79:8080

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	2584	4856	regsvr32.exe	79

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

Loads dropped DLL 2 IoCs

pid	Process
2584	regsvr32.exe
3332	regsvr32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Pjbxikunqhwt\ryeblckuwajsylh.svh	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
4856	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3332	regsvr32.exe
3332	regsvr32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE
4856	EXCEL.EXE

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 2584	4856	EXCEL.EXE	81
PID 4856 wrote to memory of 2584	4856	EXCEL.EXE	81
PID 4856 wrote to memory of 2584	4856	EXCEL.EXE	81
PID 2584 wrote to memory of 3332	2584	regsvr32.exe	82
PID 2584 wrote to memory of 3332	2584	regsvr32.exe	82
PID 2584 wrote to memory of 3332	2584	regsvr32.exe	82

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\MES_3854.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Windows\SysWow64\regsvr32.exe
  C:\Windows\SysWow64\regsvr32.exe -s ..\txdn.dll
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Drops file in System32 directory
  - Suspicious use of WriteProcessMemory
  PID:2584
- - C:\Windows\SysWOW64\regsvr32.exe
    C:\Windows\SysWOW64\regsvr32.exe /s "C:\Windows\SysWOW64\Pjbxikunqhwt\ryeblckuwajsylh.svh"
    3⤵
    - Loads dropped DLL
    - Suspicious behavior: EnumeratesProcesses
    PID:3332

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

Replay Monitor

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Downloads

txdn.dll

Path C:\Users\Admin\txdn.dll
Size 480KB
SHA256 79c4640dc46a7053fe99125b794da05810db9efb100f398a7050187a7f8dd4cf
MD5 7798a0148ec9efc43e84924dfb9801b9
SHA1 2e51c5f93e786b8eb1033621fd945de6fdf6ebc5
SHA512 2f502755b840573b89fab973e4c10574ba4d34fca3cef50db7101eebea34104b914a94643f2d25baed2877bba7a743b3fe9bc39be4f9f7f7d5d52b8ca9f74e8b
SSDEEP 6144:XJDdcNtINDR6/qONZyPf71mOFFxFpkHPJM97bQHnJPFVkecjYxZCg1vqe3oz:XJDdWtINDccPf71v7zWbpzkjjib5qN
MD5 SHA1 SHA512 SSDEEP

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txdn.dll

Path C:\Users\Admin\txdn.dll
Size 480KB
SHA256 79c4640dc46a7053fe99125b794da05810db9efb100f398a7050187a7f8dd4cf
MD5 7798a0148ec9efc43e84924dfb9801b9
SHA1 2e51c5f93e786b8eb1033621fd945de6fdf6ebc5
SHA512 2f502755b840573b89fab973e4c10574ba4d34fca3cef50db7101eebea34104b914a94643f2d25baed2877bba7a743b3fe9bc39be4f9f7f7d5d52b8ca9f74e8b
SSDEEP 6144:XJDdcNtINDR6/qONZyPf71mOFFxFpkHPJM97bQHnJPFVkecjYxZCg1vqe3oz:XJDdWtINDccPf71v7zWbpzkjjib5qN
MD5 SHA1 SHA512 SSDEEP

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ryeblckuwajsylh.svh

Path C:\Windows\SysWOW64\Pjbxikunqhwt\ryeblckuwajsylh.svh
Size 480KB
SHA256 79c4640dc46a7053fe99125b794da05810db9efb100f398a7050187a7f8dd4cf
MD5 7798a0148ec9efc43e84924dfb9801b9
SHA1 2e51c5f93e786b8eb1033621fd945de6fdf6ebc5
SHA512 2f502755b840573b89fab973e4c10574ba4d34fca3cef50db7101eebea34104b914a94643f2d25baed2877bba7a743b3fe9bc39be4f9f7f7d5d52b8ca9f74e8b
SSDEEP 6144:XJDdcNtINDR6/qONZyPf71mOFFxFpkHPJM97bQHnJPFVkecjYxZCg1vqe3oz:XJDdWtINDccPf71v7zWbpzkjjib5qN
MD5 SHA1 SHA512 SSDEEP

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memory/2584-133-0x0000000002940000-0x0000000002963000-memory.dmp

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memory/3332-137-0x0000000000D80000-0x0000000000DA3000-memory.dmp

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memory/4856-124-0x00007FF87ECB0000-0x00007FF87ECC0000-memory.dmp

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memory/4856-125-0x00007FF87ECB0000-0x00007FF87ECC0000-memory.dmp

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memory/4856-126-0x00007FF87ECB0000-0x00007FF87ECC0000-memory.dmp

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memory/4856-127-0x00007FF87ECB0000-0x00007FF87ECC0000-memory.dmp

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memory/4856-128-0x00007FF87ECB0000-0x00007FF87ECC0000-memory.dmp

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