8eb596f88bc2ba3ba62a765c607202109fa122dfb49673b6f34fdbcc921b34ee

General

Target

8eb596f88bc2ba3ba62a765c607202109fa122dfb49673b6f34fdbcc921b34ee.xlsm
Size

83KB
MD5

9668d5dd1e75ab9acacea35e3cb32084
SHA1

ffd4f89c0a3ec3adb9a816d1a6a3aea3f648ee6d
SHA256

8eb596f88bc2ba3ba62a765c607202109fa122dfb49673b6f34fdbcc921b34ee
SHA512

cc59059828351348454cabbe2b21b3041d869b1d46bbef137b296a502d5b6cd41dacc346a6b0acc38d9f8e32df532ec32b8598a1d6e45fbdbdc948a95b5b310f

Score

10^/10

suricata

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://mammy-chiro.com/case/ZTkBzbz/

xlm40.dropper

http://bluetoothheadsetreview.xyz/wp-includes/xmdHAGgfki/

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	1708	2492	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
48	1548	rundll32.exe
50	1548	rundll32.exe

Loads dropped DLL 2 IoCs

pid	Process
1708	rundll32.exe
1644	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Hkemnlkjhmlpjv\rwdghzig.hii	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
2492	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
1548	rundll32.exe
1548	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE
2492	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2492 wrote to memory of 1708	2492	EXCEL.EXE	72
PID 2492 wrote to memory of 1708	2492	EXCEL.EXE	72
PID 2492 wrote to memory of 1708	2492	EXCEL.EXE	72
PID 1708 wrote to memory of 1644	1708	rundll32.exe	73
PID 1708 wrote to memory of 1644	1708	rundll32.exe	73
PID 1708 wrote to memory of 1644	1708	rundll32.exe	73
PID 1644 wrote to memory of 2836	1644	rundll32.exe	74
PID 1644 wrote to memory of 2836	1644	rundll32.exe	74
PID 1644 wrote to memory of 2836	1644	rundll32.exe	74
PID 2836 wrote to memory of 1548	2836	rundll32.exe	75
PID 2836 wrote to memory of 1548	2836	rundll32.exe	75
PID 2836 wrote to memory of 1548	2836	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\8eb596f88bc2ba3ba62a765c607202109fa122dfb49673b6f34fdbcc921b34ee.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2492
- C:\Windows\SysWow64\rundll32.exe
  C:\Windows\SysWow64\rundll32.exe ..\dwa.ocx,D"&"l"&"lR"&"egister"&"Server
  2⤵
  - Process spawned unexpected child process
  - Loads dropped DLL
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\SysWOW64\rundll32.exe
    C:\Windows\SysWOW64\rundll32.exe "C:\Users\Admin\dwa.ocx",DllRegisterServer
    3⤵
    - Loads dropped DLL
    - Drops file in System32 directory
    - Suspicious use of WriteProcessMemory
    PID:1644
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Hkemnlkjhmlpjv\rwdghzig.hii",cNMz
      4⤵
      Suspicious use of WriteProcessMemory
      PID:2836
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Hkemnlkjhmlpjv\rwdghzig.hii",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:1548

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/2492-119-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2492-122-0x00000165E4360000-0x00000165E4362000-memory.dmp

Filesize
8KB

Download
memory/2492-128-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp

Filesize
64KB

Download
memory/2492-129-0x00007FF7DCCC0000-0x00007FF7DCCD0000-memory.dmp

Filesize
64KB

Download
memory/2492-121-0x00000165E4360000-0x00000165E4362000-memory.dmp

Filesize
8KB

Download
memory/2492-120-0x00000165E4360000-0x00000165E4362000-memory.dmp

Filesize
8KB

Download
memory/2492-115-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2492-118-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2492-117-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download
memory/2492-116-0x00007FF7E0830000-0x00007FF7E0840000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads