emotet | 76323e3a53815b76193d22984da10a9d492d934d49a611fd541e7a78a88cf3c9

General

Target

Bill address change.xls
Size

217KB
MD5

65d9d5c0a65355b62f967c57fa830348
SHA1

e2defe35a68a0a8374fab7f7ec019b5b54a8a346
SHA256

76323e3a53815b76193d22984da10a9d492d934d49a611fd541e7a78a88cf3c9
SHA512

a0f7e58b1f22cfa1660f144f25a538f4ccac7327c9a90a7e740d9c34ba692ff66d845a8fd8bdd773c0e60562adefe56fde39618ebed3fbb468409c03077bc95a
SSDEEP

6144:zKpb8rGYrMPe3q7Q0XV5xtuEsi8/dgIyY+TAQXTHGUMEyP5p6f5jQmvc:abGUMVWlbvc

Score

10^/10

emotet epoch4 banker persistence trojan

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://aldina.jp/wp-admin/YvD46yh/

xlm40.dropper

https://www.alliance-habitat.com/cache/lE8/

xlm40.dropper

http://anguklaw.com/microsoft-clearscript/oVgMlzJ61/

xlm40.dropper

https://andorsat.com/css/5xdvDtgW0H4SrZokxM/

Extracted

Family

emotet

Botnet

Epoch4

C2

45.235.8.30:8080

94.23.45.86:4143

119.59.103.152:8080

169.60.181.70:8080

164.68.99.3:8080

172.105.226.75:8080

107.170.39.149:8080

206.189.28.199:8080

1.234.2.232:8080

188.44.20.25:443

186.194.240.217:443

103.43.75.120:443

149.28.143.92:443

159.89.202.34:443

209.97.163.214:443

183.111.227.137:8080

129.232.188.93:443

139.59.126.41:443

110.232.117.186:8080

139.59.56.73:8080

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 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	2752	5100	regsvr32.exe	79
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	1944	5100	regsvr32.exe	79
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4056	5100	regsvr32.exe	79
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4496	5100	regsvr32.exe	79

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4056	regsvr32.exe
4032	regsvr32.exe

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\zAPPknCRyvnwLAka.dll = "C:\\Windows\\system32\\regsvr32.exe \"C:\\Windows\\system32\\CMePF\\zAPPknCRyvnwLAka.dll\""	regsvr32.exe
Key created	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Run	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

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemFamily	EXCEL.EXE
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
5100	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 6 IoCs

pid	Process
4056	regsvr32.exe
4056	regsvr32.exe
4032	regsvr32.exe
4032	regsvr32.exe
4032	regsvr32.exe
4032	regsvr32.exe

Suspicious use of FindShellTrayWindow 2 IoCs

pid	Process
5100	EXCEL.EXE
5100	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE
5100	EXCEL.EXE

Suspicious use of WriteProcessMemory 10 IoCs

description	pid	Process	procid_target
PID 5100 wrote to memory of 2752	5100	EXCEL.EXE	82
PID 5100 wrote to memory of 2752	5100	EXCEL.EXE	82
PID 5100 wrote to memory of 1944	5100	EXCEL.EXE	83
PID 5100 wrote to memory of 1944	5100	EXCEL.EXE	83
PID 5100 wrote to memory of 4056	5100	EXCEL.EXE	85
PID 5100 wrote to memory of 4056	5100	EXCEL.EXE	85
PID 4056 wrote to memory of 4032	4056	regsvr32.exe	86
PID 4056 wrote to memory of 4032	4056	regsvr32.exe	86
PID 5100 wrote to memory of 4496	5100	EXCEL.EXE	91
PID 5100 wrote to memory of 4496	5100	EXCEL.EXE	91

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\Bill address change.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:5100
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:2752
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:1944
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of WriteProcessMemory
  PID:4056
- - C:\Windows\system32\regsvr32.exe
    C:\Windows\system32\regsvr32.exe "C:\Windows\system32\CMePF\zAPPknCRyvnwLAka.dll"
    3⤵
    - Loads dropped DLL
    - Adds Run key to start application
    - Suspicious behavior: EnumeratesProcesses
    PID:4032
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4496

Network

MITRE ATT&CK Enterprise 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

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\oxnv3.ooccxx

Filesize
745KB

MD5
8975511dbedc8826fe68c9a9755d8b83

SHA1
430c2b14c4e5641349762b7a62e8d431ecd04b50

SHA256
a006c691a4b59fcc69e8c0c6be960f681f53575d2f6e262d2f53b3301b06727d

SHA512
1225a118ffe28e59c1b6995a7c44d8da08d404560e59037aeadc015c1e25010047de6313f7bf8cd59cdb9cffb5784b7934930a1a5de06b62701d5ce9d0c4e588

Download Submit
C:\Users\Admin\oxnv3.ooccxx

Filesize
745KB

MD5
8975511dbedc8826fe68c9a9755d8b83

SHA1
430c2b14c4e5641349762b7a62e8d431ecd04b50

SHA256
a006c691a4b59fcc69e8c0c6be960f681f53575d2f6e262d2f53b3301b06727d

SHA512
1225a118ffe28e59c1b6995a7c44d8da08d404560e59037aeadc015c1e25010047de6313f7bf8cd59cdb9cffb5784b7934930a1a5de06b62701d5ce9d0c4e588

Download Submit
C:\Windows\System32\CMePF\zAPPknCRyvnwLAka.dll

Filesize
745KB

MD5
8975511dbedc8826fe68c9a9755d8b83

SHA1
430c2b14c4e5641349762b7a62e8d431ecd04b50

SHA256
a006c691a4b59fcc69e8c0c6be960f681f53575d2f6e262d2f53b3301b06727d

SHA512
1225a118ffe28e59c1b6995a7c44d8da08d404560e59037aeadc015c1e25010047de6313f7bf8cd59cdb9cffb5784b7934930a1a5de06b62701d5ce9d0c4e588

Download Submit
memory/4056-144-0x0000000180000000-0x000000018002F000-memory.dmp

Filesize
188KB

Download
memory/5100-138-0x00007FFA42FA0000-0x00007FFA42FB0000-memory.dmp

Filesize
64KB

Download
memory/5100-137-0x00007FFA42FA0000-0x00007FFA42FB0000-memory.dmp

Filesize
64KB

Download
memory/5100-136-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/5100-135-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/5100-132-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/5100-134-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download
memory/5100-133-0x00007FFA45370000-0x00007FFA45380000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads