95761ae4efbb60ee498b7d56d6c84e48753a21ab59a655f5439b47167baf6ea2

General

Target
SecuriteInfo.com.Heur.7584.30747.xlsm
Size 83KB
Sample220111-17cpsahhen
SHA256 95761ae4efbb60ee498b7d56d6c84e48753a21ab59a655f5439b47167baf6ea2
MD5 d5daf891c14a11f3e41e654c23c7ffe7
SHA1 9fc631d20ab42aa98824429ac6e5f5613ba1883d
SHA512 0d78fea35f5bd8ba4924af9d6de04c99eb4fda6786b9c51d93fd575582ff6636d0a1617dd15247f197772f4d52fe9c964f14e31a9f202a7e42eb74ce0b7f5219
MD5 SHA1 SHA512

Score

10^/10

suricata

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper
http://unifiedpharma.com/wp-admin/ildi5K2aTIrdvEobQ/

Signatures

Process spawned unexpected child process 1 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	2744	2936	rundll32.exe	67

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

Blocklisted process makes network request 2 IoCs

flow	pid	Process
46	3620	rundll32.exe
47	3620	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
2744	rundll32.exe
664	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Bbdwvsgr\uyzamzkbjisd.hon	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

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

Enumerates system info in registry 2 TTPs 3 IoCs

Query Registry

T1012

System Information Discovery

T1082

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

pid	Process
2936	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3620	rundll32.exe
3620	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE
2936	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2936 wrote to memory of 2744	2936	EXCEL.EXE	71
PID 2936 wrote to memory of 2744	2936	EXCEL.EXE	71
PID 2936 wrote to memory of 2744	2936	EXCEL.EXE	71
PID 2744 wrote to memory of 664	2744	rundll32.exe	72
PID 2744 wrote to memory of 664	2744	rundll32.exe	72
PID 2744 wrote to memory of 664	2744	rundll32.exe	72
PID 664 wrote to memory of 1812	664	rundll32.exe	73
PID 664 wrote to memory of 1812	664	rundll32.exe	73
PID 664 wrote to memory of 1812	664	rundll32.exe	73
PID 1812 wrote to memory of 3620	1812	rundll32.exe	74
PID 1812 wrote to memory of 3620	1812	rundll32.exe	74
PID 1812 wrote to memory of 3620	1812	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\SecuriteInfo.com.Heur.7584.30747.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2936
- 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:2744
- - 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:664
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Bbdwvsgr\uyzamzkbjisd.hon",FtFsQbgxMhS
      4⤵
      Suspicious use of WriteProcessMemory
      PID:1812
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Bbdwvsgr\uyzamzkbjisd.hon",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3620

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

memory/2936-121-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Download

memory/2936-125-0x0000029112CC0000-0x0000029112CC2000-memory.dmp

Download

memory/2936-124-0x0000029112CC0000-0x0000029112CC2000-memory.dmp

Download

memory/2936-123-0x0000029112CC0000-0x0000029112CC2000-memory.dmp

Download

memory/2936-122-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Download

memory/2936-118-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Download

memory/2936-120-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Download

memory/2936-119-0x00007FF7E4E20000-0x00007FF7E4E30000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads