emotet | 53207c58f6fc4a7674c21555684453831e02bbe902207b2fc114ab08e9fead34

General

Target

Message_1703.doc
Size

516.4MB
MD5

27217dc7491a19cb456cec0b80dd4070
SHA1

d3df2a5600d677cb6547fe0e9eae8cc5e055b575
SHA256

53207c58f6fc4a7674c21555684453831e02bbe902207b2fc114ab08e9fead34
SHA512

f883b8ddfd535a5976f7362b14ce4bd1dc88b1520ae8d8628dc23d948941fca33d42db7f59f728ec721508f148d621315f0326a8e1a2b87268745836d437bd98
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	3660	5004	regsvr32.exe	WINWORD.EXE

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3660 regsvr32.exe
4948 regsvr32.exe

pid	process
3660	regsvr32.exe
4948	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\fcYYJwf.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\FkDmkRoPxO\\fcYYJwf.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 value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	WINWORD.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	WINWORD.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	WINWORD.EXE

Script User-Agent 5 IoCs

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

Processes:

description	flow	ioc
HTTP User-Agent header	67	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	45	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	47	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	49	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	53	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

5004 WINWORD.EXE
5004 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

3660 regsvr32.exe
3660 regsvr32.exe
4948 regsvr32.exe
4948 regsvr32.exe
4948 regsvr32.exe
4948 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

5004 WINWORD.EXE
5004 WINWORD.EXE
5004 WINWORD.EXE
5004 WINWORD.EXE
5004 WINWORD.EXE
5004 WINWORD.EXE
5004 WINWORD.EXE
5004 WINWORD.EXE

pid	process
5004	WINWORD.EXE
5004	WINWORD.EXE

pid	process
3660	regsvr32.exe
3660	regsvr32.exe
4948	regsvr32.exe
4948	regsvr32.exe
4948	regsvr32.exe
4948	regsvr32.exe

pid	process
5004	WINWORD.EXE
5004	WINWORD.EXE
5004	WINWORD.EXE
5004	WINWORD.EXE
5004	WINWORD.EXE
5004	WINWORD.EXE
5004	WINWORD.EXE
5004	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 5004 wrote to memory of 3660	5004	WINWORD.EXE	regsvr32.exe
PID 5004 wrote to memory of 3660	5004	WINWORD.EXE	regsvr32.exe
PID 3660 wrote to memory of 4948	3660	regsvr32.exe	regsvr32.exe
PID 3660 wrote to memory of 4948	3660	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\Message_1703.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:5004

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\140142.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:3660

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\FkDmkRoPxO\fcYYJwf.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:4948

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\140142.tmp
Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
C:\Users\Admin\AppData\Local\Temp\140142.tmp
Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
C:\Windows\System32\FkDmkRoPxO\fcYYJwf.dll
Filesize
561KB

MD5
c901c8089c5e017f8e9b4b15c8ef154f

SHA1
336c2bea43bfa2e8afd27a164dba640f36c0013c

SHA256
fd79e8fa5e3801101a1305b6aba7a5e7fdc852ed9036d6d9a5210be414a5cc5a

SHA512
9ff052f9fc9cc3cf74b170f76d6a20a01c5dbb74b2d97edc9e55b75f52b408f3104e49bf290773bd63d216f2787d945aa7d954b58e927c99e1db18c6a7d74ade

Download Submit
memory/3660-157-0x0000000002D20000-0x0000000002D21000-memory.dmp

Filesize
4KB

Download
memory/3660-154-0x0000000002D70000-0x0000000002D9C000-memory.dmp

Filesize
176KB

Download
memory/5004-137-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-139-0x00007FF8CD1D0000-0x00007FF8CD1E0000-memory.dmp

Filesize
64KB

Download
memory/5004-138-0x00007FF8CD1D0000-0x00007FF8CD1E0000-memory.dmp

Filesize
64KB

Download
memory/5004-133-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-136-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-134-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-135-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-186-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-188-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-187-0x00007FF8CF230000-0x00007FF8CF240000-memory.dmp

Filesize
64KB

Download
memory/5004-189-0x00007FF8CF230000-0x00007FF8CF240000-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