emotet | 21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d

General

Target

21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.doc
Size

195KB
MD5

20579879faa3dd7fa2deff4dbf4188c2
SHA1

d3be5954d5412c6e1e7940e1f965fed8a24da298
SHA256

21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d
SHA512

bf24a0b609d3d8df8fc03d7e4e3dbbd8d7d3c824b03eb28c3ef1da43e6de69006b2b4bf6879dd083be353d782fda12a6717fb318ae10c640218496a216ea17bf
SSDEEP

3072:+lmdyGRYHL2mH+pAgZijNQkj6SpVbGEcr:+KaL2KzgZ+2SnGEc

Score

10^/10

emotet epoch4 banker 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	652	2432	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

652 regsvr32.exe

pid	process
652	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\~MHz	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	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 8 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2432 WINWORD.EXE
2432 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

652 regsvr32.exe
652 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE
2432 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	8	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2432	WINWORD.EXE
2432	WINWORD.EXE

pid	process
652	regsvr32.exe
652	regsvr32.exe

pid	process
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE
2432	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 2432 wrote to memory of 652	2432	WINWORD.EXE	regsvr32.exe
PID 2432 wrote to memory of 652	2432	WINWORD.EXE	regsvr32.exe
PID 652 wrote to memory of 904	652	regsvr32.exe	regsvr32.exe
PID 652 wrote to memory of 904	652	regsvr32.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
Uses Volume Shadow Copy service COM API
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\21d6e39fb31e2d0efc37f53fc24bed0283f11426b0de28487913d4041e1b643d.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:2432

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\232135.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:652

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\ShKzAVYMBrrwYneI\GMLAPaTSXsMyT.dll"
3⤵
PID:904

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

3

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\232135.tmp
Filesize
546.9MB

MD5
7aa83de29f7e6bd9a527f611ecad7abb

SHA1
de27d0453b2ad1265805b8e361e80531100874d7

SHA256
c2a6ce689947422979d580c42999bef7fa651879c01602117d669ed47d887487

SHA512
ce33793c38a0baab8ae8ca0a8a35deae29c443a3713fef501e4a75d30cd14a7edc5ce93844657b2ae5e666253d3377f4937a392fdba3025e2610ee951596a6e2

Download Submit
C:\Users\Admin\AppData\Local\Temp\232138.zip
Filesize
986KB

MD5
d59adc2085963cf077375f0650bf89e9

SHA1
d979cdfa320d3dfc41089175348eed84b23eeb4f

SHA256
542e52d2a9d17905fe4e0ea52c5250758db01ed262a4be24968a6ad3f8f5c96e

SHA512
0b0038dd331001b70c23e5ba9bab3a7e1e72089d174b1157de8bb1dc0bca85a36dbe3ac769d56a0e529863bbc457bcf9351179440975c4114e5fa074aa948eba

Download Submit
\Users\Admin\AppData\Local\Temp\232135.tmp
Filesize
546.9MB

MD5
7aa83de29f7e6bd9a527f611ecad7abb

SHA1
de27d0453b2ad1265805b8e361e80531100874d7

SHA256
c2a6ce689947422979d580c42999bef7fa651879c01602117d669ed47d887487

SHA512
ce33793c38a0baab8ae8ca0a8a35deae29c443a3713fef501e4a75d30cd14a7edc5ce93844657b2ae5e666253d3377f4937a392fdba3025e2610ee951596a6e2

Download Submit
memory/652-330-0x00000000029C0000-0x0000000002A1A000-memory.dmp

Filesize
360KB

Download
memory/652-340-0x0000000000E30000-0x0000000000E31000-memory.dmp

Filesize
4KB

Download
memory/2432-126-0x00007FF7DB7F0000-0x00007FF7DB800000-memory.dmp

Filesize
64KB

Download
memory/2432-127-0x00007FF7DB7F0000-0x00007FF7DB800000-memory.dmp

Filesize
64KB

Download
memory/2432-123-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-122-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-121-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-120-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-447-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-448-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-449-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download
memory/2432-450-0x00007FF7DE570000-0x00007FF7DE580000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads