emotet | c7c0a4c2ca13150807eb8110af4ff6229f6cd973d59f826047856bddefcfb88d

General

Target

FILE_1603.doc
Size

546.4MB
MD5

4fe50b64bd6a9fe2a2baaacd7d388b96
SHA1

f9b91b27bf6cd5bf5d71f4fa721b240db6a09380
SHA256

e6e06d8eeddfdb0d2785232274f2548e4a8699043818e1671a4bcdc9fc5cff02
SHA512

a35b2b6d20f3c127b8a912523b3a308fdd3797cbddb0984e18132ac4afc58687898404b0b052057ec9c1d8b1a7c97174fa30d5c276953d3ffb6f69afc4a8e14c
SSDEEP

6144:NeWM86RZzwTFQR9jD77fyO0XwBh12DD2JfCFFyinWLqcRJ:EWnE8FQvTfx0XwBz4D0aFjM

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	796	2776	regsvr32.exe	WINWORD.EXE

Downloads MZ/PE file
Loads dropped DLL 2 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

796 regsvr32.exe
3232 regsvr32.exe

pid	process
796	regsvr32.exe
3232	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\jDNeTVYWmG.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\PoFSRKb\\jDNeTVYWmG.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 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 33 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious behavior: AddClipboardFormatListener 2 IoCs

Processes:

WINWORD.EXE

pid process

2776 WINWORD.EXE
2776 WINWORD.EXE
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

regsvr32.exeregsvr32.exe

pid process

796 regsvr32.exe
796 regsvr32.exe
3232 regsvr32.exe
3232 regsvr32.exe
3232 regsvr32.exe
3232 regsvr32.exe
Suspicious use of SetWindowsHookEx 8 IoCs

Processes:

WINWORD.EXE

pid process

2776 WINWORD.EXE
2776 WINWORD.EXE
2776 WINWORD.EXE
2776 WINWORD.EXE
2776 WINWORD.EXE
2776 WINWORD.EXE
2776 WINWORD.EXE
2776 WINWORD.EXE

description	flow	ioc
HTTP User-Agent header	33	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
2776	WINWORD.EXE
2776	WINWORD.EXE

pid	process
796	regsvr32.exe
796	regsvr32.exe
3232	regsvr32.exe
3232	regsvr32.exe
3232	regsvr32.exe
3232	regsvr32.exe

pid	process
2776	WINWORD.EXE
2776	WINWORD.EXE
2776	WINWORD.EXE
2776	WINWORD.EXE
2776	WINWORD.EXE
2776	WINWORD.EXE
2776	WINWORD.EXE
2776	WINWORD.EXE

Suspicious use of WriteProcessMemory 4 IoCs

Processes:

WINWORD.EXEregsvr32.exe

description	pid	process	target process
PID 2776 wrote to memory of 796	2776	WINWORD.EXE	regsvr32.exe
PID 2776 wrote to memory of 796	2776	WINWORD.EXE	regsvr32.exe
PID 796 wrote to memory of 3232	796	regsvr32.exe	regsvr32.exe
PID 796 wrote to memory of 3232	796	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\FILE_1603.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:2776

C:\Windows\System32\regsvr32.exe
"C:\Windows\System32\regsvr32.exe" /s "C:\Users\Admin\AppData\Local\Temp\153833.tmp"
2⤵
- Process spawned unexpected child process
- Loads dropped DLL
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:796

C:\Windows\system32\regsvr32.exe
C:\Windows\system32\regsvr32.exe "C:\Windows\system32\PoFSRKb\jDNeTVYWmG.dll"
3⤵
- Loads dropped DLL
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
PID:3232

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\153833.tmp
Filesize
300KB

MD5
27c6e6bc4b46148fb4dcc6a6a9346914

SHA1
065d7e71a66ef077b07ea28d7e26b07ea5a26c86

SHA256
aa57889a91be96c5b5cae185792f5ad76eb5248abb66344a740266a1c297cfd7

SHA512
3b50da2b20c50c07d9ad916623ee9da5455f2724567a171943959226dee18bc359de10f0638a34b50c51ba7e539f4845167f52b9f083966dd8a3f3a3454bba26

Download Submit
C:\Users\Admin\AppData\Local\Temp\153833.tmp
Filesize
300KB

MD5
27c6e6bc4b46148fb4dcc6a6a9346914

SHA1
065d7e71a66ef077b07ea28d7e26b07ea5a26c86

SHA256
aa57889a91be96c5b5cae185792f5ad76eb5248abb66344a740266a1c297cfd7

SHA512
3b50da2b20c50c07d9ad916623ee9da5455f2724567a171943959226dee18bc359de10f0638a34b50c51ba7e539f4845167f52b9f083966dd8a3f3a3454bba26

Download Submit
C:\Windows\System32\PoFSRKb\jDNeTVYWmG.dll
Filesize
300KB

MD5
27c6e6bc4b46148fb4dcc6a6a9346914

SHA1
065d7e71a66ef077b07ea28d7e26b07ea5a26c86

SHA256
aa57889a91be96c5b5cae185792f5ad76eb5248abb66344a740266a1c297cfd7

SHA512
3b50da2b20c50c07d9ad916623ee9da5455f2724567a171943959226dee18bc359de10f0638a34b50c51ba7e539f4845167f52b9f083966dd8a3f3a3454bba26

Download Submit
memory/796-154-0x0000000002BC0000-0x0000000002BEC000-memory.dmp

Filesize
176KB

Download
memory/796-157-0x0000000002B80000-0x0000000002B81000-memory.dmp

Filesize
4KB

Download
memory/2776-133-0x00007FFC49050000-0x00007FFC49060000-memory.dmp

Filesize
64KB

Download
memory/2776-135-0x00007FFC49050000-0x00007FFC49060000-memory.dmp

Filesize
64KB

Download
memory/2776-134-0x00007FFC49050000-0x00007FFC49060000-memory.dmp

Filesize
64KB

Download
memory/2776-136-0x00007FFC49050000-0x00007FFC49060000-memory.dmp

Filesize
64KB

Download
memory/2776-137-0x00007FFC49050000-0x00007FFC49060000-memory.dmp

Filesize
64KB

Download
memory/2776-138-0x00007FFC46C50000-0x00007FFC46C60000-memory.dmp

Filesize
64KB

Download
memory/2776-139-0x00007FFC46C50000-0x00007FFC46C60000-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