009fcd5e4bdcdcbc640380482ae293b7becc5dc522eab10e0bc3ccb143ff2331

General

Target
442-20467.xlsm
Size 83KB
Sample220112-mg376accgp
SHA256 009fcd5e4bdcdcbc640380482ae293b7becc5dc522eab10e0bc3ccb143ff2331
MD5 6a8b36d305ed4001a7ddb5168bb5c934
SHA1 5596411cf234165448ffea598ab3f53a79dc2aa1
SHA512 297d5d7ec89432785c277a85eda7f1644f86b6b588520388b9ec4ffddec8dfe6e9630dbfab1ef7b7f985e9a9248e8dde293b7d8affb3104f4f509f1a2c0c1f5d
MD5 SHA1 SHA512

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	3980	2476	rundll32.exe	67

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
3980	rundll32.exe
2812	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Wpzlkdsmqkzgxly\dxmvxigkjv.kpf	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
2476	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE
2476	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2476 wrote to memory of 3980	2476	EXCEL.EXE	70
PID 2476 wrote to memory of 3980	2476	EXCEL.EXE	70
PID 2476 wrote to memory of 3980	2476	EXCEL.EXE	70
PID 3980 wrote to memory of 2812	3980	rundll32.exe	72
PID 3980 wrote to memory of 2812	3980	rundll32.exe	72
PID 3980 wrote to memory of 2812	3980	rundll32.exe	72
PID 2812 wrote to memory of 1268	2812	rundll32.exe	75
PID 2812 wrote to memory of 1268	2812	rundll32.exe	75
PID 2812 wrote to memory of 1268	2812	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\442-20467.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2476
- 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:3980
- - 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:2812
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Wpzlkdsmqkzgxly\dxmvxigkjv.kpf",LqTLokV
      4⤵
      PID:1268

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/2476-122-0x000002603B150000-0x000002603B152000-memory.dmp

Download

memory/2476-123-0x000002603B150000-0x000002603B152000-memory.dmp

Download

memory/2476-124-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Download

memory/2476-125-0x000002603B150000-0x000002603B152000-memory.dmp

Download

memory/2476-118-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Download

memory/2476-121-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Download

memory/2476-120-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Download

memory/2476-119-0x00007FFFAE560000-0x00007FFFAE570000-memory.dmp

Download

memory/2812-270-0x00000000007B0000-0x00000000007D9000-memory.dmp

Download

memory/3980-269-0x0000000004CE0000-0x0000000004D09000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads