5e9b0c9265b7d3fc1ff598bf2c6da327b90d200944fc0462f1079231b5403185

General

Target

5e9b0c9265b7d3fc1ff598bf2c6da327b90d200944fc0462f1079231b5403185.xlsm
Size

83KB
MD5

768a5a75fdb699b7d42714d8fb938354
SHA1

88c2fad607882ebbac3bc9b885c3ad043c43282a
SHA256

5e9b0c9265b7d3fc1ff598bf2c6da327b90d200944fc0462f1079231b5403185
SHA512

67be206ec923b8ae81720cc43c76cbf0c2da4b3251cb537d827bbf7bb16258db862ad4b0c173f3ac44fdea2a759c477c157f60dce2466eba126d0436751656a3

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://digitalcardsbychivami.xyz/includes/KrPj/

xlm40.dropper

http://demo.avionxpress.com/assets/XqQrGSKq8TrVj/

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	4760	3672	rundll32.exe	68

Downloads MZ/PE file

Loads dropped DLL 2 IoCs

pid	Process
4760	rundll32.exe
4556	rundll32.exe

Drops file in System32 directory 1 IoCs

description	ioc	Process
File opened for modification	C:\Windows\SysWOW64\Pvcnktkopmutrqno\vitkieajhho.bqr	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
3672	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE
3672	EXCEL.EXE

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 3672 wrote to memory of 4760	3672	EXCEL.EXE	71
PID 3672 wrote to memory of 4760	3672	EXCEL.EXE	71
PID 3672 wrote to memory of 4760	3672	EXCEL.EXE	71
PID 4760 wrote to memory of 4556	4760	rundll32.exe	72
PID 4760 wrote to memory of 4556	4760	rundll32.exe	72
PID 4760 wrote to memory of 4556	4760	rundll32.exe	72
PID 4556 wrote to memory of 5072	4556	rundll32.exe	75
PID 4556 wrote to memory of 5072	4556	rundll32.exe	75
PID 4556 wrote to memory of 5072	4556	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\5e9b0c9265b7d3fc1ff598bf2c6da327b90d200944fc0462f1079231b5403185.xlsm"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3672
- 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:4760
- - 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:4556
  - - C:\Windows\SysWOW64\rundll32.exe
      C:\Windows\SysWOW64\rundll32.exe "C:\Windows\SysWOW64\Pvcnktkopmutrqno\vitkieajhho.bqr",oquXSFXdt
      4⤵
      PID:5072

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3672-119-0x0000023F06A40000-0x0000023F06A42000-memory.dmp

Filesize
8KB

Download
memory/3672-115-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

Filesize
64KB

Download
memory/3672-120-0x0000023F06A40000-0x0000023F06A42000-memory.dmp

Filesize
8KB

Download
memory/3672-121-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

Filesize
64KB

Download
memory/3672-122-0x0000023F06A40000-0x0000023F06A42000-memory.dmp

Filesize
8KB

Download
memory/3672-118-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

Filesize
64KB

Download
memory/3672-117-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

Filesize
64KB

Download
memory/3672-116-0x00007FFB38420000-0x00007FFB38430000-memory.dmp

Filesize
64KB

Download
memory/4556-267-0x0000000000650000-0x0000000000679000-memory.dmp

Filesize
164KB

Download
memory/4760-266-0x0000000000600000-0x000000000074A000-memory.dmp

Filesize
1.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads