emotet | da66440788b21906500a6f4c8df55a5a80d4ae07ac70563bd9037958915acce1

General

Target

MES-17032023.doc
Size

501.4MB
MD5

1ee8a9746ce0e7b98c9993f37248efe6
SHA1

1a4e26d1ff262b04bcc982ed8de8d7e461aea87d
SHA256

da66440788b21906500a6f4c8df55a5a80d4ae07ac70563bd9037958915acce1
SHA512

e20d5762cccfc86791749b27fa5fa486571853ff106b2213e4ec518e57b706aeb752e2ee99a299e148e253acd5394124755e2731ca7c743acaf73dd78f4ad88e
SSDEEP

6144:zZRtBPT4N/uQaNULlPUvauNTklB7ShcbYdFf8UOPv:zZvJhfKd2amwYdKUq

Score

10^/10

emotet epoch5 banker persistence trojan

Malware Config

Extracted

Family

emotet

Botnet

Epoch5

C2

103.85.95.4:8080

103.224.241.74:8080

178.238.225.252:8080

37.59.103.148:8080

78.47.204.80:443

138.197.14.67:8080

128.199.242.164:8080

54.37.228.122:443

37.44.244.177:8080

139.59.80.108:8080

218.38.121.17:443

82.98.180.154:7080

114.79.130.68:443

159.65.135.222:7080

174.138.33.49:7080

195.77.239.39:8080

193.194.92.175:443

198.199.70.22:8080

85.214.67.203:8080

93.84.115.205:7080

ecs1.plain

eck1.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	3732	3296	regsvr32.exe	WINWORD.EXE

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3732 regsvr32.exe
1712 regsvr32.exe

pid	process
3732	regsvr32.exe
1712	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\WLNtqLdVr.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\VhhFKAk\\WLNtqLdVr.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 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 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 5 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	39	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	52	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	32	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	34	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	37	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3296 WINWORD.EXE
3296 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3732 regsvr32.exe
3732 regsvr32.exe
1712 regsvr32.exe
1712 regsvr32.exe
1712 regsvr32.exe
1712 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3296 WINWORD.EXE
3296 WINWORD.EXE
3296 WINWORD.EXE
3296 WINWORD.EXE
3296 WINWORD.EXE
3296 WINWORD.EXE
3296 WINWORD.EXE
3296 WINWORD.EXE

pid	process
3296	WINWORD.EXE
3296	WINWORD.EXE

pid	process
3732	regsvr32.exe
3732	regsvr32.exe
1712	regsvr32.exe
1712	regsvr32.exe
1712	regsvr32.exe
1712	regsvr32.exe

pid	process
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE
3296	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 3296 wrote to memory of 3732	3296	WINWORD.EXE	regsvr32.exe
PID 3296 wrote to memory of 3732	3296	WINWORD.EXE	regsvr32.exe
PID 3732 wrote to memory of 1712	3732	regsvr32.exe	regsvr32.exe
PID 3732 wrote to memory of 1712	3732	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\MES-17032023.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:3296

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\141730.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3732

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VhhFKAk\WLNtqLdVr.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:1712

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

Replay Monitor

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Downloads

C:\Users\Admin\AppData\Local\Temp\141730.tmp
Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
C:\Users\Admin\AppData\Local\Temp\141730.tmp
Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
C:\Windows\System32\VhhFKAk\WLNtqLdVr.dll
Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
memory/3296-140-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-136-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-141-0x00007FF8383D0000-0x00007FF8383E0000-memory.dmp

Filesize
64KB

Download
memory/3296-142-0x00007FF8383D0000-0x00007FF8383E0000-memory.dmp

Filesize
64KB

Download
memory/3296-139-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-137-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-138-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-189-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-190-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-191-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3296-192-0x00007FF83AAD0000-0x00007FF83AAE0000-memory.dmp

Filesize
64KB

Download
memory/3732-157-0x0000000000D20000-0x0000000000D4C000-memory.dmp

Filesize
176KB

Download
memory/3732-160-0x0000000000A50000-0x0000000000A51000-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