3dac84aa8db00f20e969a61312ee55578cd4dbbf6ec0e4285878d301d3271acf

General

Target

3dac84aa8db00f20e969a61312ee55578cd4dbbf6ec0e4285878d301d3271acf.xlsm
Size

83KB
MD5

ea061c58b645e00b934085f3d67587f1
SHA1

38400c60792c070b034cd4404f89cefc6b84eeef
SHA256

3dac84aa8db00f20e969a61312ee55578cd4dbbf6ec0e4285878d301d3271acf
SHA512

a79074c8bf8dad84a5aa8bac3784bf3e23f98bd294ef45e5ae8bcc6fd7e9eba551e554fdfd5b502f57a28a262eca5643a98aa6325cdac893fca7289b4f48e17b

Score

10^/10

suricata

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://adi.iswks.com/assets/hO1v71pqfNN/

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	1340	2440	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 3 IoCs

flow	pid	Process
44	812	rundll32.exe
45	812	rundll32.exe
49	812	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1340	rundll32.exe
2160	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Ilxofuqxnnm\txqdafbtvdmug.wpq	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
2440	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
812	rundll32.exe
812	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE
2440	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2440 wrote to memory of 1340	2440	EXCEL.EXE	72
PID 2440 wrote to memory of 1340	2440	EXCEL.EXE	72
PID 2440 wrote to memory of 1340	2440	EXCEL.EXE	72
PID 1340 wrote to memory of 2160	1340	rundll32.exe	73
PID 1340 wrote to memory of 2160	1340	rundll32.exe	73
PID 1340 wrote to memory of 2160	1340	rundll32.exe	73
PID 2160 wrote to memory of 2680	2160	rundll32.exe	74
PID 2160 wrote to memory of 2680	2160	rundll32.exe	74
PID 2160 wrote to memory of 2680	2160	rundll32.exe	74
PID 2680 wrote to memory of 812	2680	rundll32.exe	75
PID 2680 wrote to memory of 812	2680	rundll32.exe	75
PID 2680 wrote to memory of 812	2680	rundll32.exe	75

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\3dac84aa8db00f20e969a61312ee55578cd4dbbf6ec0e4285878d301d3271acf.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2440
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\wxeu.ocx,D"&"l"&"lR"&"egister"&"Serve"&"r
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1340
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\wxeu.ocx",DllRegisterServer
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:2160
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Ilxofuqxnnm\txqdafbtvdmug.wpq",mGNqiDve
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2680
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Ilxofuqxnnm\txqdafbtvdmug.wpq",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:812

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/2440-119-0x000002A4FF160000-0x000002A4FF162000-memory.dmp

Filesize
8KB

Download
memory/2440-122-0x000002A4FF160000-0x000002A4FF162000-memory.dmp

Filesize
8KB

Download
memory/2440-128-0x00007FFF03D00000-0x00007FFF03D10000-memory.dmp

Filesize
64KB

Download
memory/2440-129-0x00007FFF03D00000-0x00007FFF03D10000-memory.dmp

Filesize
64KB

Download
memory/2440-121-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/2440-120-0x000002A4FF160000-0x000002A4FF162000-memory.dmp

Filesize
8KB

Download
memory/2440-115-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/2440-118-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/2440-117-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download
memory/2440-116-0x00007FFF06850000-0x00007FFF06860000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads