41821381e38770d4b4eb06654fec731e89e45185dec97fac4dbef59560bb3fa9

General

Target
SecuriteInfo.com.Heur.11449.24126.xlsm
Size 83KB
Sample220112-gm2cvsbebk
SHA256 41821381e38770d4b4eb06654fec731e89e45185dec97fac4dbef59560bb3fa9
MD5 e2ca5460365effba7e08b586cd468730
SHA1 5f14eeccf40de660b5caf67b3f3f39e4a4ed2724
SHA512 1ded6894332ed77e38bb26623022942c8ae13bd1b10facfeedf102b41c9c22c371fd2e48d5d7897050f0c552d18c2f825d46a315eddbe51c4314e9b1bccd4fac
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	4028	652	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

flow	pid	Process
43	2832	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4028	rundll32.exe
3068	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Lvoocphvbqkwqj\pjvx.aor	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 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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
652	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2832	rundll32.exe
2832	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE
652	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 652 wrote to memory of 4028	652	EXCEL.EXE	72
PID 652 wrote to memory of 4028	652	EXCEL.EXE	72
PID 652 wrote to memory of 4028	652	EXCEL.EXE	72
PID 4028 wrote to memory of 3068	4028	rundll32.exe	73
PID 4028 wrote to memory of 3068	4028	rundll32.exe	73
PID 4028 wrote to memory of 3068	4028	rundll32.exe	73
PID 3068 wrote to memory of 2496	3068	rundll32.exe	76
PID 3068 wrote to memory of 2496	3068	rundll32.exe	76
PID 3068 wrote to memory of 2496	3068	rundll32.exe	76
PID 2496 wrote to memory of 2832	2496	rundll32.exe	77
PID 2496 wrote to memory of 2832	2496	rundll32.exe	77
PID 2496 wrote to memory of 2832	2496	rundll32.exe	77

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.11449.24126.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:652
- 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:4028
- - 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:3068
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Lvoocphvbqkwqj\pjvx.aor",Tskmij
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2496
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Lvoocphvbqkwqj\pjvx.aor",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2832

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/652-119-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

Download

memory/652-120-0x000001E8D1B90000-0x000001E8D1B92000-memory.dmp

Download

memory/652-121-0x000001E8D1B90000-0x000001E8D1B92000-memory.dmp

Download

memory/652-122-0x000001E8D1B90000-0x000001E8D1B92000-memory.dmp

Download

memory/652-128-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmp

Download

memory/652-129-0x00007FF8ABF00000-0x00007FF8ABF10000-memory.dmp

Download

memory/652-118-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

Download

memory/652-117-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

Download

memory/652-115-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

Download

memory/652-116-0x00007FF8AEA50000-0x00007FF8AEA60000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads