c82f282fe8e4c3583e5e4d834ae90565ff0b3fb958513688b442153cc57c82fb

General

Target

c82f282fe8e4c3583e5e4d834ae90565ff0b3fb958513688b442153cc57c82fb.xlsm
Size

83KB
MD5

747c19f576e6bdb79026c56c4e4e7763
SHA1

cc1f2f6c94b857486ceb0622af7575190f06d85f
SHA256

c82f282fe8e4c3583e5e4d834ae90565ff0b3fb958513688b442153cc57c82fb
SHA512

5811e0e9815e870305cb93f44010d2f3754e226c52331ed1391e4988110f5c299c703a370e6e03231f8e3610217df7c1e2891cc26aa556e2dcaac4b01e49fcb8

Score

10^/10

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	1308	3172	rundll32.exe	68

Blocklisted process makes network request 1 IoCs

flow	pid	Process
39	3924	rundll32.exe

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
1308	rundll32.exe
3012	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Cmnmgbnwl\omlhibqmdzalymm.yxz	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
3172	EXCEL.EXE

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3924	rundll32.exe
3924	rundll32.exe

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE
3172	EXCEL.EXE

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3172 wrote to memory of 1308	3172	EXCEL.EXE	72
PID 3172 wrote to memory of 1308	3172	EXCEL.EXE	72
PID 3172 wrote to memory of 1308	3172	EXCEL.EXE	72
PID 1308 wrote to memory of 3012	1308	rundll32.exe	73
PID 1308 wrote to memory of 3012	1308	rundll32.exe	73
PID 1308 wrote to memory of 3012	1308	rundll32.exe	73
PID 3012 wrote to memory of 68	3012	rundll32.exe	74
PID 3012 wrote to memory of 68	3012	rundll32.exe	74
PID 3012 wrote to memory of 68	3012	rundll32.exe	74
PID 68 wrote to memory of 3924	68	rundll32.exe	75
PID 68 wrote to memory of 3924	68	rundll32.exe	75
PID 68 wrote to memory of 3924	68	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\c82f282fe8e4c3583e5e4d834ae90565ff0b3fb958513688b442153cc57c82fb.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3172
- 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:1308
- - 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:3012
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Cmnmgbnwl\omlhibqmdzalymm.yxz",YWqn
      4⤵
      Suspicious use of WriteProcessMemory
      PID:68
    - - C:\Windows\SysWOW64\rundll32.exe
        
        C:\Windows\SysWOW64\rundll32.exe "C:\Windows\System32\Cmnmgbnwl\omlhibqmdzalymm.yxz",DllRegisterServer
        5⤵
        Blocklisted process makes network request
        Suspicious behavior: EnumeratesProcesses
        
        PID:3924

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/3172-119-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

Filesize
64KB

Download
memory/3172-122-0x00000205CB640000-0x00000205CB642000-memory.dmp

Filesize
8KB

Download
memory/3172-128-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp

Filesize
64KB

Download
memory/3172-129-0x00007FF89A3C0000-0x00007FF89A3D0000-memory.dmp

Filesize
64KB

Download
memory/3172-121-0x00000205CB640000-0x00000205CB642000-memory.dmp

Filesize
8KB

Download
memory/3172-120-0x00000205CB640000-0x00000205CB642000-memory.dmp

Filesize
8KB

Download
memory/3172-115-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

Filesize
64KB

Download
memory/3172-118-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

Filesize
64KB

Download
memory/3172-117-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

Filesize
64KB

Download
memory/3172-116-0x00007FF89DB10000-0x00007FF89DB20000-memory.dmp

Filesize
64KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads