emotet | 05a375d786ed166c57bd5b4b3d7aab0f8a3c020621e6d1c93feda5bac92b5fe3

General

Target

invoce No 301730 03.2023.doc
Size

521.2MB
MD5

afc31854a5b81d139781bb8f5da80dba
SHA1

5c4762423ecd2fdd48573332a6703b2b8cdb5244
SHA256

edd1f76cc33e5df06953a3a01f43250f4024ccaa76dca3a30fc9a589f9de99d3
SHA512

84283e9b92dc45fcfa3646799c9f9f45f00086a201730138e72c8dda0aeb451c19602463d35910c5539745d3c500211952445c802f9ad940524b203fc8f02e48
SSDEEP

3072:OeGZrTwWS6ZL1CkdXDhjaPLW8Nl+U/XqP82gng0o1JiM0rK:gZvNL1BdXNONLq5FarK

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch4

C2

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	4704	320	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4704 regsvr32.exe
4508 regsvr32.exe

pid	process
4704	regsvr32.exe
4508	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

regsvr32.exe

description	ioc	process
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	regsvr32.exe
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\VeMeBxvhAxbvrX.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\HdIcBcA\\VeMeBxvhAxbvrX.dll\""	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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	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 opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE

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

Processes:

description flow ioc

HTTP User-Agent header 40 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

320 WINWORD.EXE
320 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4704 regsvr32.exe
4704 regsvr32.exe
4508 regsvr32.exe
4508 regsvr32.exe
4508 regsvr32.exe
4508 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

320 WINWORD.EXE
320 WINWORD.EXE
320 WINWORD.EXE
320 WINWORD.EXE
320 WINWORD.EXE
320 WINWORD.EXE
320 WINWORD.EXE
320 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	40	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
320	WINWORD.EXE
320	WINWORD.EXE

pid	process
4704	regsvr32.exe
4704	regsvr32.exe
4508	regsvr32.exe
4508	regsvr32.exe
4508	regsvr32.exe
4508	regsvr32.exe

pid	process
320	WINWORD.EXE
320	WINWORD.EXE
320	WINWORD.EXE
320	WINWORD.EXE
320	WINWORD.EXE
320	WINWORD.EXE
320	WINWORD.EXE
320	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 320 wrote to memory of 4704	320	WINWORD.EXE	regsvr32.exe
PID 320 wrote to memory of 4704	320	WINWORD.EXE	regsvr32.exe
PID 4704 wrote to memory of 4508	4704	regsvr32.exe	regsvr32.exe
PID 4704 wrote to memory of 4508	4704	regsvr32.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\invoce No 301730 03.2023.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:320

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\232457.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4704

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\HdIcBcA\VeMeBxvhAxbvrX.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4508

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

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\AppData\Local\Temp\232457.tmp
Filesize
546.9MB

MD5
7aa83de29f7e6bd9a527f611ecad7abb

SHA1
de27d0453b2ad1265805b8e361e80531100874d7

SHA256
c2a6ce689947422979d580c42999bef7fa651879c01602117d669ed47d887487

SHA512
ce33793c38a0baab8ae8ca0a8a35deae29c443a3713fef501e4a75d30cd14a7edc5ce93844657b2ae5e666253d3377f4937a392fdba3025e2610ee951596a6e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\232457.tmp
Filesize
546.9MB

MD5
7aa83de29f7e6bd9a527f611ecad7abb

SHA1
de27d0453b2ad1265805b8e361e80531100874d7

SHA256
c2a6ce689947422979d580c42999bef7fa651879c01602117d669ed47d887487

SHA512
ce33793c38a0baab8ae8ca0a8a35deae29c443a3713fef501e4a75d30cd14a7edc5ce93844657b2ae5e666253d3377f4937a392fdba3025e2610ee951596a6e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\232459.zip
Filesize
986KB

MD5
d59adc2085963cf077375f0650bf89e9

SHA1
d979cdfa320d3dfc41089175348eed84b23eeb4f

SHA256
542e52d2a9d17905fe4e0ea52c5250758db01ed262a4be24968a6ad3f8f5c96e

SHA512
0b0038dd331001b70c23e5ba9bab3a7e1e72089d174b1157de8bb1dc0bca85a36dbe3ac769d56a0e529863bbc457bcf9351179440975c4114e5fa074aa948eba

Download Submit
C:\Windows\System32\HdIcBcA\VeMeBxvhAxbvrX.dll
Filesize
546.9MB

MD5
7aa83de29f7e6bd9a527f611ecad7abb

SHA1
de27d0453b2ad1265805b8e361e80531100874d7

SHA256
c2a6ce689947422979d580c42999bef7fa651879c01602117d669ed47d887487

SHA512
ce33793c38a0baab8ae8ca0a8a35deae29c443a3713fef501e4a75d30cd14a7edc5ce93844657b2ae5e666253d3377f4937a392fdba3025e2610ee951596a6e2

Download Submit
memory/320-208-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-138-0x00007FF8D7060000-0x00007FF8D7070000-memory.dmp

Filesize
64KB

Download
memory/320-139-0x00007FF8D7060000-0x00007FF8D7070000-memory.dmp

Filesize
64KB

Download
memory/320-136-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-135-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-134-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-133-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-137-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-209-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-210-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/320-211-0x00007FF8D91D0000-0x00007FF8D91E0000-memory.dmp

Filesize
64KB

Download
memory/4704-179-0x0000000001F80000-0x0000000001FDA000-memory.dmp

Filesize
360KB

Download
memory/4704-183-0x0000000000530000-0x0000000000531000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads