emotet | f26a443ac89f9b418959ed6f59163358f57a469af9a4509ca82bfec3e6d092b0

General

Target

f26a443ac89f9b418959ed6f59163358f57a469af9a4509ca82bfec3e6d092b0.xlsm
Size

37KB
MD5

b85066e6d286499120d91f942f43d371
SHA1

1cfc720d33149fb6e1600144c701b057edc7c38c
SHA256

f26a443ac89f9b418959ed6f59163358f57a469af9a4509ca82bfec3e6d092b0
SHA512

9c676cc214ebfb50326858fc91ebae9811a4b2d3924f742d87eb0274766bdc8c1e4e8d394d3cdea7e6fcdaab2ce0c61d0a8f040c3026541a319755f2bc777f61

Score

10^/10

emotet epoch4 banker suricata trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://inorte.com.br/awkl2/NFkGvrZkoh7TdwolFM/

Extracted

Family

emotet

Botnet

Epoch4

C2

172.104.227.98:443

31.207.89.74:8080

46.55.222.11:443

41.76.108.46:8080

103.8.26.103:8080

185.184.25.237:8080

103.8.26.102:8080

203.114.109.124:443

45.118.115.99:8080

178.79.147.66:8080

58.227.42.236:80

45.118.135.203:7080

103.75.201.2:443

195.154.133.20:443

192.254.71.210:443

45.142.114.231:8080

212.237.5.209:443

207.38.84.195:8080

104.251.214.46:8080

212.237.17.99:8080

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.

Processes:

rundll32.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	4224	2656	rundll32.exe	EXCEL.EXE

suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata: ET MALWARE ABUSE.CH SSL Blacklist Malicious SSL certificate detected (Dridex/Trickbot CnC)
suricata
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata
Blocklisted process makes network request 2 IoCs

Processes:

rundll32.exe

flow pid process

37 2616 rundll32.exe
38 2616 rundll32.exe
Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid process

4224 rundll32.exe
4940 rundll32.exe
Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description ioc process

File opened for modification C:\Windows\SysWOW64\Mrghelz\nkxzockimndk.xty rundll32.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

flow	pid	process
37	2616	rundll32.exe
38	2616	rundll32.exe

pid	process
4224	rundll32.exe
4940	rundll32.exe

description	ioc	process
File opened for modification	C:\Windows\SysWOW64\Mrghelz\nkxzockimndk.xty	rundll32.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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

2656 EXCEL.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid process

2616 rundll32.exe
2616 rundll32.exe

pid	process
2616	rundll32.exe
2616	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	process
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE
2656	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	process	target process
PID 2656 wrote to memory of 4224	2656	EXCEL.EXE	rundll32.exe
PID 2656 wrote to memory of 4224	2656	EXCEL.EXE	rundll32.exe
PID 2656 wrote to memory of 4224	2656	EXCEL.EXE	rundll32.exe
PID 4224 wrote to memory of 4940	4224	rundll32.exe	rundll32.exe
PID 4224 wrote to memory of 4940	4224	rundll32.exe	rundll32.exe
PID 4224 wrote to memory of 4940	4224	rundll32.exe	rundll32.exe
PID 4940 wrote to memory of 4716	4940	rundll32.exe	rundll32.exe
PID 4940 wrote to memory of 4716	4940	rundll32.exe	rundll32.exe
PID 4940 wrote to memory of 4716	4940	rundll32.exe	rundll32.exe
PID 4716 wrote to memory of 2616	4716	rundll32.exe	rundll32.exe
PID 4716 wrote to memory of 2616	4716	rundll32.exe	rundll32.exe
PID 4716 wrote to memory of 2616	4716	rundll32.exe	rundll32.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\f26a443ac89f9b418959ed6f59163358f57a469af9a4509ca82bfec3e6d092b0.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2656

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe ..\bestb.ocx,D"&"l"&"l"&"R"&"eg"&"i"&"s"&"t"&"erServer
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious use of WriteProcessMemory
PID:4224

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\bestb.ocx",DllRegisterServer
3⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4940

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mrghelz\nkxzockimndk.xty",UXIlHT
4⤵
- Suspicious use of WriteProcessMemory
PID:4716

C:\Windows\SysWOW64\rundll32.exe
C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Mrghelz\nkxzockimndk.xty",DllRegisterServer
5⤵
- Blocklisted process makes network request
- Suspicious behavior: EnumeratesProcesses
PID:2616

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\bestb.ocx

MD5
2f93cb3701205b257b8ef5e76545923b

SHA1
c53d45e900d52a0a4802f858ac94a10bdbff3d15

SHA256
16211b428f9d5da08b3a0d77589bf217f34558388d52d294f7d37dfe5e44b2e0

SHA512
2c095cce1927a872f66457b18d4f8d71cb62af05dbfd8fef930959f9cebeada93557acf11218b5d9798f59f4de565cec7b86c03410d7bf68249ccd5f86625095

Download Submit
\Users\Admin\bestb.ocx

MD5
2f93cb3701205b257b8ef5e76545923b

SHA1
c53d45e900d52a0a4802f858ac94a10bdbff3d15

SHA256
16211b428f9d5da08b3a0d77589bf217f34558388d52d294f7d37dfe5e44b2e0

SHA512
2c095cce1927a872f66457b18d4f8d71cb62af05dbfd8fef930959f9cebeada93557acf11218b5d9798f59f4de565cec7b86c03410d7bf68249ccd5f86625095

Download Submit
\Users\Admin\bestb.ocx

MD5
2f93cb3701205b257b8ef5e76545923b

SHA1
c53d45e900d52a0a4802f858ac94a10bdbff3d15

SHA256
16211b428f9d5da08b3a0d77589bf217f34558388d52d294f7d37dfe5e44b2e0

SHA512
2c095cce1927a872f66457b18d4f8d71cb62af05dbfd8fef930959f9cebeada93557acf11218b5d9798f59f4de565cec7b86c03410d7bf68249ccd5f86625095

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memory/2616-271-0x0000000000000000-mapping.dmp

Download
memory/2656-119-0x000001DE8C350000-0x000001DE8C352000-memory.dmp

Filesize
8KB

Download
memory/2656-120-0x000001DE8C350000-0x000001DE8C352000-memory.dmp

Filesize
8KB

Download
memory/2656-121-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp

Filesize
64KB

Download
memory/2656-122-0x000001DE8C350000-0x000001DE8C352000-memory.dmp

Filesize
8KB

Download
memory/2656-115-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp

Filesize
64KB

Download
memory/2656-118-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp

Filesize
64KB

Download
memory/2656-117-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp

Filesize
64KB

Download
memory/2656-116-0x00007FFBF0C60000-0x00007FFBF0C70000-memory.dmp

Filesize
64KB

Download
memory/4224-256-0x0000000000000000-mapping.dmp

Download
memory/4224-269-0x0000000010000000-0x0000000010027000-memory.dmp

Filesize
156KB

Download
memory/4716-270-0x0000000000000000-mapping.dmp

Download
memory/4940-261-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads