emotet | 56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450

Resubmissions

22-03-2023 07:24

230322-h8jklsfd94 10

22-03-2023 06:51

230322-hmnbnshc5x 10

Analysis

max time kernel
25s
max time network
151s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
22-03-2023 06:51

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General

Target

Leepartners.com.doc
Size

226KB
MD5

22edd303f28f432bf8f89ec959819ae8
SHA1

3b25e29328339c5a2eef8d3140015ff47fe541c1
SHA256

56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450
SHA512

0cb8241ec4e9eb8476d082f9fd2a28dfc0b60e544b4cd5eab6f8696caa94a5060d97c1894bf228f7b21feaf5aa568513ee0fd46f2e1dd4914f4076384862c103
SSDEEP

3072:brrCtKZF4eqZ627NHRxMvOwvzpl+vk6jZc:5F4eqYwHMvfvzpKk6Nc

Score

10^/10

emotet epoch4 banker trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

213.239.212.5:443

129.232.188.93:443

103.43.75.120:443

197.242.150.244:8080

1.234.2.232:8080

110.232.117.186:8080

95.217.221.146:8080

159.89.202.34:443

159.65.88.10:8080

82.223.21.224:8080

169.57.156.166:8080

45.176.232.124:443

45.235.8.30:8080

173.212.193.249:8080

107.170.39.149:8080

119.59.103.152:8080

167.172.199.165:8080

91.207.28.33:8080

185.4.135.165:8080

104.168.155.143:8080

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:

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	3776	5016	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

3776 regsvr32.exe

pid	process
3776	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:

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

Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 26 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5016 WINWORD.EXE
5016 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

3776 regsvr32.exe
3776 regsvr32.exe
Suspicious use of SetWindowsHookEx 7 IoCs

Processes:

WINWORD.EXE

pid process

5016 WINWORD.EXE
5016 WINWORD.EXE
5016 WINWORD.EXE
5016 WINWORD.EXE
5016 WINWORD.EXE
5016 WINWORD.EXE
5016 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	26	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
5016	WINWORD.EXE
5016	WINWORD.EXE

pid	process
3776	regsvr32.exe
3776	regsvr32.exe

pid	process
5016	WINWORD.EXE
5016	WINWORD.EXE
5016	WINWORD.EXE
5016	WINWORD.EXE
5016	WINWORD.EXE
5016	WINWORD.EXE
5016	WINWORD.EXE

Suspicious use of WriteProcessMemory 2 IoCs

Processes:

WINWORD.EXE

description	pid	process	target process
PID 5016 wrote to memory of 3776	5016	WINWORD.EXE	regsvr32.exe
PID 5016 wrote to memory of 3776	5016	WINWORD.EXE	regsvr32.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\Leepartners.com.doc" /o ""
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5016

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\075139.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
PID:3776

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\SOMwYcju\oupqKAfdITm.dll"
3⤵
PID:3968

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\075139.tmp
Filesize
535.9MB

MD5
1e9268ef46de69a2323becab20ca7c8e

SHA1
5a3a781127ab745a321ef8b8caaffa7f96a2c323

SHA256
fd1fdb7faa22021501f10a006a702efe765840a52d6114a48f46dc66c166da93

SHA512
6d8880f060f20ae0b78f19e99e1bcab6c1fe9546623e0d3e10744b97144e2b202451a5535377cc447d2ceb8fface4652acd14b1b5adef43291933ba779d81d6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\075139.tmp
Filesize
535.9MB

MD5
1e9268ef46de69a2323becab20ca7c8e

SHA1
5a3a781127ab745a321ef8b8caaffa7f96a2c323

SHA256
fd1fdb7faa22021501f10a006a702efe765840a52d6114a48f46dc66c166da93

SHA512
6d8880f060f20ae0b78f19e99e1bcab6c1fe9546623e0d3e10744b97144e2b202451a5535377cc447d2ceb8fface4652acd14b1b5adef43291933ba779d81d6c

Download Submit
C:\Users\Admin\AppData\Local\Temp\075139.zip
Filesize
975KB

MD5
4bef76d5cdd56022e686be4b41fb289b

SHA1
5ce847b1456965a4cd55d640823eb65c4bea11ea

SHA256
fa984c24358a69964904cc58091e3c62e9f644beb6668096494c94341b33d0e3

SHA512
b1586df69bfde0e4e033982959baf46b9adffed711f309202f314f86482043f9b4aa3e4fe69bff8b95f6181487d580087033e79541853357c8849786cc648a25

Download Submit
C:\Windows\System32\SOMwYcju\oupqKAfdITm.dll
Filesize
535.9MB

MD5
1e9268ef46de69a2323becab20ca7c8e

SHA1
5a3a781127ab745a321ef8b8caaffa7f96a2c323

SHA256
fd1fdb7faa22021501f10a006a702efe765840a52d6114a48f46dc66c166da93

SHA512
6d8880f060f20ae0b78f19e99e1bcab6c1fe9546623e0d3e10744b97144e2b202451a5535377cc447d2ceb8fface4652acd14b1b5adef43291933ba779d81d6c

Download Submit
memory/3776-177-0x0000000002870000-0x00000000028CA000-memory.dmp

Filesize
360KB

Download
memory/3776-181-0x0000000000EA0000-0x0000000000EA1000-memory.dmp

Filesize
4KB

Download
memory/5016-134-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-136-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-135-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-140-0x00007FFB7B3D0000-0x00007FFB7B3E0000-memory.dmp

Filesize
64KB

Download
memory/5016-137-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-138-0x00007FFB7B3D0000-0x00007FFB7B3E0000-memory.dmp

Filesize
64KB

Download
memory/5016-133-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-208-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-209-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-210-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download
memory/5016-211-0x00007FFB7D650000-0x00007FFB7D660000-memory.dmp

Filesize
64KB

Download