emotet | 56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450

General

Target

Example.co.doc
Size

226KB
MD5

22edd303f28f432bf8f89ec959819ae8
SHA1

3b25e29328339c5a2eef8d3140015ff47fe541c1
SHA256

56387ffecce60cba738357c8c265b02eeabf088449f7d2904fcadb84cba79450
SHA512

0cb8241ec4e9eb8476d082f9fd2a28dfc0b60e544b4cd5eab6f8696caa94a5060d97c1894bf228f7b21feaf5aa568513ee0fd46f2e1dd4914f4076384862c103
SSDEEP

3072:brrCtKZF4eqZ627NHRxMvOwvzpl+vk6jZc:5F4eqYwHMvfvzpKk6Nc

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	4572	3808	regsvr32.exe	WINWORD.EXE

Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4572 regsvr32.exe
3408 regsvr32.exe

pid	process
4572	regsvr32.exe
3408	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\FdYBavpWVTRQOlXx.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\KrUTM\\FdYBavpWVTRQOlXx.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 4 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	32	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	35	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
HTTP User-Agent header	36	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

3808 WINWORD.EXE
3808 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

4572 regsvr32.exe
4572 regsvr32.exe
3408 regsvr32.exe
3408 regsvr32.exe
3408 regsvr32.exe
3408 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

3808 WINWORD.EXE
3808 WINWORD.EXE
3808 WINWORD.EXE
3808 WINWORD.EXE
3808 WINWORD.EXE
3808 WINWORD.EXE
3808 WINWORD.EXE
3808 WINWORD.EXE

pid	process
3808	WINWORD.EXE
3808	WINWORD.EXE

pid	process
4572	regsvr32.exe
4572	regsvr32.exe
3408	regsvr32.exe
3408	regsvr32.exe
3408	regsvr32.exe
3408	regsvr32.exe

pid	process
3808	WINWORD.EXE
3808	WINWORD.EXE
3808	WINWORD.EXE
3808	WINWORD.EXE
3808	WINWORD.EXE
3808	WINWORD.EXE
3808	WINWORD.EXE
3808	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 3808 wrote to memory of 4572	3808	WINWORD.EXE	regsvr32.exe
PID 3808 wrote to memory of 4572	3808	WINWORD.EXE	regsvr32.exe
PID 4572 wrote to memory of 3408	4572	regsvr32.exe	regsvr32.exe
PID 4572 wrote to memory of 3408	4572	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\Example.co.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:3808

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\094301.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4572

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\KrUTM\FdYBavpWVTRQOlXx.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3408

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

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\094301.tmp
Filesize
529.9MB

MD5
f72d0ae0bb826e5697c9cb9be6cfc076

SHA1
2ad65aaf4dec6c8f0457ba36b2f7e843fc579601

SHA256
ef7e598e94c254649d5733e60d3b65a7d508d6ddebfe9edbeddb3b41d69d9bb2

SHA512
82e34c64ad56adde5512fc8bb43ae2de93a832b988ed2288d0539a1ab587e703585a59b75b1918d25b5b18e28e61b9008c1658be38e295ad68d35a3b88c90562

Download Submit
C:\Users\Admin\AppData\Local\Temp\094301.tmp
Filesize
529.9MB

MD5
f72d0ae0bb826e5697c9cb9be6cfc076

SHA1
2ad65aaf4dec6c8f0457ba36b2f7e843fc579601

SHA256
ef7e598e94c254649d5733e60d3b65a7d508d6ddebfe9edbeddb3b41d69d9bb2

SHA512
82e34c64ad56adde5512fc8bb43ae2de93a832b988ed2288d0539a1ab587e703585a59b75b1918d25b5b18e28e61b9008c1658be38e295ad68d35a3b88c90562

Download Submit
C:\Users\Admin\AppData\Local\Temp\094305.zip
Filesize
969KB

MD5
2210f55a9ef7af1ab039c1f50d7ecdbc

SHA1
b5439fbfbdb5bd6f3c094bd1557e89fdd100264b

SHA256
3a27fff2f2a2885d09a215d66396b4253304c4119f7661249d8c977db2f078dc

SHA512
a231a380421ebf1a4d36e8f6714e4b072af51fcd0889bcbd879bb4f11ee729c452a043c91c7d16017cde3b2b3625fb4214dde7b8190426744bfa5a6efb5ea43b

Download Submit
C:\Windows\System32\KrUTM\FdYBavpWVTRQOlXx.dll
Filesize
529.9MB

MD5
f72d0ae0bb826e5697c9cb9be6cfc076

SHA1
2ad65aaf4dec6c8f0457ba36b2f7e843fc579601

SHA256
ef7e598e94c254649d5733e60d3b65a7d508d6ddebfe9edbeddb3b41d69d9bb2

SHA512
82e34c64ad56adde5512fc8bb43ae2de93a832b988ed2288d0539a1ab587e703585a59b75b1918d25b5b18e28e61b9008c1658be38e295ad68d35a3b88c90562

Download Submit
memory/3808-208-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-138-0x00007FF983250000-0x00007FF983260000-memory.dmp

Filesize
64KB

Download
memory/3808-139-0x00007FF983250000-0x00007FF983260000-memory.dmp

Filesize
64KB

Download
memory/3808-136-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-134-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-135-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-133-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-137-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-210-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-209-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/3808-211-0x00007FF985810000-0x00007FF985820000-memory.dmp

Filesize
64KB

Download
memory/4572-177-0x00000000028B0000-0x000000000290A000-memory.dmp

Filesize
360KB

Download
memory/4572-178-0x0000000002840000-0x0000000002841000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

Replay Monitor

Loading Replay Monitor...

Downloads