emotet | f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d

General

Target

f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.doc
Size

233KB
MD5

9117c76bc262f3cdf53675f8cf3a5ab9
SHA1

f764356a46d8e585be1d8a364e06d282f7905ec3
SHA256

f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d
SHA512

b71f7b333d0418003036c36bda31af644fcc4a8d90f600385a45129a8f5a9d7361ac940d3314f9d91357b7701712773da43f399a4f59d8cedb9ebf9f921db78a
SSDEEP

3072:PojYfU2ZqlurLFfzAwHSxzAY1xKT70jQkeOtzMByf8gyp9MAK4dLVi:PSed8uXFfJyKY+TSQHSI28D9hTdc

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	4416	2168	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 1 IoCs

Processes:

regsvr32.exe

pid process

4416 regsvr32.exe

pid	process
4416	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 1 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)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2168 WINWORD.EXE
2168 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

regsvr32.exe

pid process

4416 regsvr32.exe
4416 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2168 WINWORD.EXE
2168 WINWORD.EXE
2168 WINWORD.EXE
2168 WINWORD.EXE
2168 WINWORD.EXE
2168 WINWORD.EXE
2168 WINWORD.EXE
2168 WINWORD.EXE

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

pid	process
2168	WINWORD.EXE
2168	WINWORD.EXE

pid	process
4416	regsvr32.exe
4416	regsvr32.exe

pid	process
2168	WINWORD.EXE
2168	WINWORD.EXE
2168	WINWORD.EXE
2168	WINWORD.EXE
2168	WINWORD.EXE
2168	WINWORD.EXE
2168	WINWORD.EXE
2168	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 2168 wrote to memory of 4416	2168	WINWORD.EXE	regsvr32.exe
PID 2168 wrote to memory of 4416	2168	WINWORD.EXE	regsvr32.exe
PID 4416 wrote to memory of 676	4416	regsvr32.exe	regsvr32.exe
PID 4416 wrote to memory of 676	4416	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\f5cd7d35fd05501cebed1ed5a6de2559f4285a865683113dd7911767f0d1aa3d.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:2168

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\140655.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4416

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\VkFeQCJYw\vaWmXZTg.dll"
3⤵
PID:676

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

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Downloads

C:\Users\Admin\AppData\Local\Temp\140655.tmp
Filesize
516.9MB

MD5
63ab0ab1ed4483ad09ce0c0402acb55e

SHA1
d7185996c898eedb205467e6b6f73030c2baf5ce

SHA256
f2616d392cbea6cb86883ce42b7ed0856823c2812e49b334346d7aec8a950e5c

SHA512
e1b6425ff2bf945a06bf1a6a6509bc43ae583cdd4f91abdd3aa5c8ce66ee2c7da7f2b5128fd6e900aec0f1f411390df2fdbafd51ccda07d89a0e1ec3ab853448

Download Submit
C:\Users\Admin\AppData\Local\Temp\140655.zip
Filesize
956KB

MD5
766de46cd36b31b55a6afb0634775280

SHA1
cfc32453b2b81fcd01399fde8ec74eed033222f4

SHA256
72c6403f29d49ccc3fda21f6841923ceab131e81c9c9af5aab524b977b233301

SHA512
f277168b290ae68faa0bf4241ddc039e06b85911eb3c4be832b24dc5d8501b1aa0594706551cddafb36e6077170565716c06906136e939338fb24f4ab5a4b4c9

Download Submit
\Users\Admin\AppData\Local\Temp\140655.tmp
Filesize
516.9MB

MD5
63ab0ab1ed4483ad09ce0c0402acb55e

SHA1
d7185996c898eedb205467e6b6f73030c2baf5ce

SHA256
f2616d392cbea6cb86883ce42b7ed0856823c2812e49b334346d7aec8a950e5c

SHA512
e1b6425ff2bf945a06bf1a6a6509bc43ae583cdd4f91abdd3aa5c8ce66ee2c7da7f2b5128fd6e900aec0f1f411390df2fdbafd51ccda07d89a0e1ec3ab853448

Download Submit
memory/2168-127-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp

Filesize
64KB

Download
memory/2168-121-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-128-0x00007FF7E8F10000-0x00007FF7E8F20000-memory.dmp

Filesize
64KB

Download
memory/2168-124-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-329-0x000001987FAF0000-0x000001987FCCF000-memory.dmp

Filesize
1.9MB

Download
memory/2168-123-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-122-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-460-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-461-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-462-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/2168-463-0x00007FF7EC640000-0x00007FF7EC650000-memory.dmp

Filesize
64KB

Download
memory/4416-355-0x0000000002990000-0x00000000029EA000-memory.dmp

Filesize
360KB

Download
memory/4416-363-0x0000000001170000-0x0000000001171000-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