6913af2de9271a92bd9c7c9afe4923a08f237459d7e1e03d171e96fa291e39ee

General

Target

BWE_31945.xlsm
Size

83KB
MD5

2d4926a62674ed003b4f0c0539e5da34
SHA1

1c8e7d26be6323a676314dc027241a2f78a2b1c2
SHA256

6913af2de9271a92bd9c7c9afe4923a08f237459d7e1e03d171e96fa291e39ee
SHA512

127529410f0c8b84364e7d0270c118e80a0fdf06fdd6c56963597f64904fe36f16794e6ebebb68bf29086c52656553d5f00b779983a0dd64559094538e677b50

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	3548	3500	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
38	2980	rundll32.exe
39	2980	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3548	rundll32.exe
2356	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Mljspi\czlezkgzbzup.zpx	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 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
3500	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
2980	rundll32.exe
2980	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE
3500	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 3548	3500	EXCEL.EXE	71
PID 3500 wrote to memory of 3548	3500	EXCEL.EXE	71
PID 3500 wrote to memory of 3548	3500	EXCEL.EXE	71
PID 3548 wrote to memory of 2356	3548	rundll32.exe	72
PID 3548 wrote to memory of 2356	3548	rundll32.exe	72
PID 3548 wrote to memory of 2356	3548	rundll32.exe	72
PID 2356 wrote to memory of 972	2356	rundll32.exe	73
PID 2356 wrote to memory of 972	2356	rundll32.exe	73
PID 2356 wrote to memory of 972	2356	rundll32.exe	73
PID 972 wrote to memory of 2980	972	rundll32.exe	74
PID 972 wrote to memory of 2980	972	rundll32.exe	74
PID 972 wrote to memory of 2980	972	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\BWE_31945.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3500
- 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:3548
- - 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:2356
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Mljspi\czlezkgzbzup.zpx",pAFNU
      4⤵
      Suspicious use of WriteProcessMemory
      PID:972
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Mljspi\czlezkgzbzup.zpx",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:2980

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/3500-119-0x000001E432A00000-0x000001E432A02000-memory.dmp

Filesize
8KB

Download
memory/3500-122-0x000001E432A00000-0x000001E432A02000-memory.dmp

Filesize
8KB

Download
memory/3500-128-0x00007FFBCBCE0000-0x00007FFBCBCF0000-memory.dmp

Filesize
64KB

Download
memory/3500-129-0x00007FFBCBCE0000-0x00007FFBCBCF0000-memory.dmp

Filesize
64KB

Download
memory/3500-121-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

Filesize
64KB

Download
memory/3500-120-0x000001E432A00000-0x000001E432A02000-memory.dmp

Filesize
8KB

Download
memory/3500-115-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

Filesize
64KB

Download
memory/3500-118-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

Filesize
64KB

Download
memory/3500-117-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

Filesize
64KB

Download
memory/3500-116-0x00007FFBCE9E0000-0x00007FFBCE9F0000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads