emotet | 0342702a71124fffdac2de5f6b0f757bff935c0fc1ef67449bf824cd7f618224

Resubmissions

27-12-2023 22:21

231227-19sh1seghr 8

09-03-2023 19:25

230309-x4w3gabe4x 10

Analysis

max time kernel
14s
max time network
141s
platform
windows10-1703_x64
resource
win10-20230220-en
resource tags

arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
submitted
09-03-2023 19:25

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General

Target

0342702a71124fffdac2de5f6b0f757bff935c0fc1ef67449bf824cd7f618224.doc
Size

520.4MB
MD5

1e7d4a30102ab604d4cd45e82903ef3f
SHA1

3f7ce2963d76280aba60520c2231fef419310ceb
SHA256

0342702a71124fffdac2de5f6b0f757bff935c0fc1ef67449bf824cd7f618224
SHA512

f6e1d697c0c48287aa5e8237660a34c42f8cdba825d4253f5775c07c40a95d9db187e802833d0e9193b12267d9bc8712eca35e92d7a20c97effe81ff777074ec
SSDEEP

6144:E9fcsHgsTGbWqjWQ6e7t/5MIUAWuVfzmSsWnpoWgXEyV/FF:2fPPGBWQ6CBMIUreiSXgXtF

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

129.232.188.93:443

164.90.222.65:443

159.65.88.10:8080

172.105.226.75:8080

115.68.227.76:8080

187.63.160.88:80

169.57.156.166:8080

185.4.135.165:8080

153.126.146.25:7080

197.242.150.244:8080

139.59.126.41:443

186.194.240.217:443

103.132.242.26:8080

206.189.28.199:8080

163.44.196.120:8080

95.217.221.146:8080

159.89.202.34:443

119.59.103.152:8080

183.111.227.137:8080

201.94.166.162:443

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.

Processes:

regsvr32.exe

description	pid	pid_target	process	target process
Parent C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE is not expected to spawn this process	1632	2412	regsvr32.exe	WINWORD.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

Script User-Agent 2 IoCs

Uses user-agent string associated with script host/environment.

Processes:

description	flow	ioc
HTTP User-Agent header	7	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	9	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2412 WINWORD.EXE
2412 WINWORD.EXE
Suspicious use of FindShellTrayWindow 3 IoCs

Processes:

WINWORD.EXE

pid process

2412 WINWORD.EXE
2412 WINWORD.EXE
2412 WINWORD.EXE
Suspicious use of SetWindowsHookEx 4 IoCs

Processes:

WINWORD.EXE

pid process

2412 WINWORD.EXE
2412 WINWORD.EXE
2412 WINWORD.EXE
2412 WINWORD.EXE

pid	process
2412	WINWORD.EXE
2412	WINWORD.EXE

pid	process
2412	WINWORD.EXE
2412	WINWORD.EXE
2412	WINWORD.EXE

pid	process
2412	WINWORD.EXE
2412	WINWORD.EXE
2412	WINWORD.EXE
2412	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 2412 wrote to memory of 1632	2412	WINWORD.EXE	regsvr32.exe
PID 2412 wrote to memory of 1632	2412	WINWORD.EXE	regsvr32.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012
Uses Volume Shadow Copy WMI provider
The Volume Shadow Copy service is used to manage backups/snapshots.
ransomware

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\0342702a71124fffdac2de5f6b0f757bff935c0fc1ef67449bf824cd7f618224.doc" /o ""
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:2412

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\192749.tmp"
2⤵
- Process spawned unexpected child process
PID:1632

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\IQeRG\dexiUNLQcX.dll"
3⤵
PID:4116

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\192749.tmp
Filesize
538.5MB

MD5
8443c2a7d8c6de7ce160bc6d4dfc204c

SHA1
7db9176a6760f26d456f59198336afbb5a970715

SHA256
6a13ec3f13380e8434debc4a65b64dfc3005443b96335256221623e7d50e1911

SHA512
f15ced316efd1c4f3b8e1f112bbbe17a35119ddd55da80a12fedd9181906130ed01b5538cfb89c278efcbfccc98fd2d89fac7fb009d854607d8f9a0280a0f2d2

Download Submit
C:\Users\Admin\AppData\Local\Temp\192751.zip
Filesize
823KB

MD5
2d5d3c9bb257f2b606708042366eb18d

SHA1
052573937b572da33031c0f0fdadd2e51bf3ae78

SHA256
7e3624c1dd4ad65173481013be0a854fb17849988ee68e8fada8e0cefac0e02f

SHA512
fef70c33000d1b08537f37d30080e8cf232a33ad435ecaa2e2522b84332e841c1c2fd25ad3a6bd724d51d4f03c08c372be88221e54fa438f8d9b03d9817038da

Download Submit
\Users\Admin\AppData\Local\Temp\192749.tmp
Filesize
538.5MB

MD5
8443c2a7d8c6de7ce160bc6d4dfc204c

SHA1
7db9176a6760f26d456f59198336afbb5a970715

SHA256
6a13ec3f13380e8434debc4a65b64dfc3005443b96335256221623e7d50e1911

SHA512
f15ced316efd1c4f3b8e1f112bbbe17a35119ddd55da80a12fedd9181906130ed01b5538cfb89c278efcbfccc98fd2d89fac7fb009d854607d8f9a0280a0f2d2

Download Submit
memory/1632-390-0x0000000000400000-0x0000000000488000-memory.dmp

Filesize
544KB

Download
memory/1632-368-0x00000000024D0000-0x00000000024D1000-memory.dmp

Filesize
4KB

Download
memory/1632-361-0x0000000180000000-0x000000018002D000-memory.dmp

Filesize
180KB

Download
memory/2412-127-0x00007FFB7CBD0000-0x00007FFB7CBE0000-memory.dmp

Filesize
64KB

Download
memory/2412-128-0x00007FFB7CBD0000-0x00007FFB7CBE0000-memory.dmp

Filesize
64KB

Download
memory/2412-121-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-124-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-123-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-122-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-472-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-474-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-475-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download
memory/2412-473-0x00007FFB800E0000-0x00007FFB800F0000-memory.dmp

Filesize
64KB

Download