4e8ce0cc50fd08d99f52b88b9ab52e256e657f01b66a5de5a525c35ad1effbf7

General

Target

4e8ce0cc50fd08d99f52b88b9ab52e256e657f01b66a5de5a525c35ad1effbf7.xlsm
Size

83KB
MD5

92332bf878cb9442542c4231a6736305
SHA1

c0f132710e37fb501474b343400b34baac407192
SHA256

4e8ce0cc50fd08d99f52b88b9ab52e256e657f01b66a5de5a525c35ad1effbf7
SHA512

ab9a77b8256b0e3cc1da19e122a5b43e53e08628cfd2f4e86cfe17e3c7ab387a1cf514243e47c47bae61a50c33000f8c5558fd664dbf48486cb7e99b1d68041d

Score

10^/10

suricata

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.be-pu.com/4.hana/Y1XWpb1zWMRD/

Signatures

Process spawned unexpected child process 1 IoCs

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

Processes:

rundll32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	844	3584	rundll32.exe	68

suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata: ET MALWARE W32/Emotet CnC Beacon 3
suricata

Blocklisted process makes network request 1 IoCs

Processes:

rundll32.exe

flow	pid	Process
43	1780	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

Processes:

rundll32.exerundll32.exe

pid	Process
844	rundll32.exe
1292	rundll32.exe

Drops file in System32 directory 1 IoCs

Processes:

rundll32.exe

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Dfgysoieiyznbfey\eanmdzmvkpmoqc.zny	rundll32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

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:

EXCEL.EXE

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	EXCEL.EXE
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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
3584	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes:

rundll32.exe

pid	Process
1780	rundll32.exe
1780	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

Processes:

EXCEL.EXE

pid	Process
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE
3584	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

EXCEL.EXErundll32.exerundll32.exerundll32.exe

description	pid	Process	procid_target
PID 3584 wrote to memory of 844	3584	EXCEL.EXE	71
PID 3584 wrote to memory of 844	3584	EXCEL.EXE	71
PID 3584 wrote to memory of 844	3584	EXCEL.EXE	71
PID 844 wrote to memory of 1292	844	rundll32.exe	72
PID 844 wrote to memory of 1292	844	rundll32.exe	72
PID 844 wrote to memory of 1292	844	rundll32.exe	72
PID 1292 wrote to memory of 3856	1292	rundll32.exe	73
PID 1292 wrote to memory of 3856	1292	rundll32.exe	73
PID 1292 wrote to memory of 3856	1292	rundll32.exe	73
PID 3856 wrote to memory of 1780	3856	rundll32.exe	74
PID 3856 wrote to memory of 1780	3856	rundll32.exe	74
PID 3856 wrote to memory of 1780	3856	rundll32.exe	74

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\4e8ce0cc50fd08d99f52b88b9ab52e256e657f01b66a5de5a525c35ad1effbf7.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\adi.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:844
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\adi.ocx",DllRegisterServer
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:1292
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Dfgysoieiyznbfey\eanmdzmvkpmoqc.zny",VgVJMeIAFUEaE
      4⤵
      Suspicious use of WriteProcessMemory
      PID:3856
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Dfgysoieiyznbfey\eanmdzmvkpmoqc.zny",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1780

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

3

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Users\Admin\adi.ocx

MD5
8949880e87f7c029e7df074ebc161b8a

SHA1
b33527c221bc0934b869b913a97fe76369b461d0

SHA256
c4aa795d47639d90ab3d4b329f81b0fc3576aebb28334f3a191f617fc2b2e360

SHA512
48e044119039c0c9b0cd4cf3ddaca1a44fb586389805287a25800002baaaaf4403c0e0a847536b156443fefeab3731f980d7fcb88dcccd31458f3dcb3fb21405

Download Submit
\Users\Admin\adi.ocx

MD5
8949880e87f7c029e7df074ebc161b8a

SHA1
b33527c221bc0934b869b913a97fe76369b461d0

SHA256
c4aa795d47639d90ab3d4b329f81b0fc3576aebb28334f3a191f617fc2b2e360

SHA512
48e044119039c0c9b0cd4cf3ddaca1a44fb586389805287a25800002baaaaf4403c0e0a847536b156443fefeab3731f980d7fcb88dcccd31458f3dcb3fb21405

Download Submit
\Users\Admin\adi.ocx

MD5
8949880e87f7c029e7df074ebc161b8a

SHA1
b33527c221bc0934b869b913a97fe76369b461d0

SHA256
c4aa795d47639d90ab3d4b329f81b0fc3576aebb28334f3a191f617fc2b2e360

SHA512
48e044119039c0c9b0cd4cf3ddaca1a44fb586389805287a25800002baaaaf4403c0e0a847536b156443fefeab3731f980d7fcb88dcccd31458f3dcb3fb21405

Download Submit
memory/844-257-0x0000000000000000-mapping.dmp

Download
memory/1292-264-0x0000000000000000-mapping.dmp

Download
memory/1780-282-0x0000000000000000-mapping.dmp

Download
memory/3584-118-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

Filesize
64KB

Download
memory/3584-122-0x00000214EC100000-0x00000214EC102000-memory.dmp

Filesize
8KB

Download
memory/3584-121-0x00000214EC100000-0x00000214EC102000-memory.dmp

Filesize
8KB

Download
memory/3584-120-0x00000214EC100000-0x00000214EC102000-memory.dmp

Filesize
8KB

Download
memory/3584-119-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

Filesize
64KB

Download
memory/3584-115-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

Filesize
64KB

Download
memory/3584-117-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

Filesize
64KB

Download
memory/3584-116-0x00007FF909EF0000-0x00007FF909F00000-memory.dmp

Filesize
64KB

Download
memory/3856-277-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads