6063dca724986586b6d1a461fae8fbde536d717c1916e449dd16686fb34fc36e

General

Target

6063dca724986586b6d1a461fae8fbde536d717c1916e449dd16686fb34fc36e.xls
Size

217KB
MD5

4e83eb23a98ce5b1fd48ea6be11494a0
SHA1

ce0fe9bc1bd4a13133b02f52ff17edc28693d95b
SHA256

6063dca724986586b6d1a461fae8fbde536d717c1916e449dd16686fb34fc36e
SHA512

8c75646aedd38adf44fd618d865afe03429ecc9547d8df042f2942dca9cfcfd5462105cad6dd19d8b007b08d97589ad3db84acbd0f798787415fee0fe73c579b
SSDEEP

6144:OKpb8rGYrMPe3q7Q0XV5xtuEsi8/dg8yY+TAQXTHGUMEyP5p6f5jQmd:nbGUMVWlbd

Score

10^/10

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://kabaruntukrakyat.com/wp-content/B9oJ0jh/

xlm40.dropper

http://coinkub.com/wp-content/WwrJvjumS/

xlm40.dropper

https://aberractivity.hu/iqq/Dmtv/

xlm40.dropper

https://anamafegarcia.es/css/HfFXMTXvc40t/

Signatures

Process spawned unexpected child process 4 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	4356	4720	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	4624	4720	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5044	4720	regsvr32.exe	65
Parent C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE is not expected to spawn this process	5048	4720	regsvr32.exe	65

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
4720	EXCEL.EXE

Suspicious use of SetWindowsHookEx 12 IoCs

pid	Process
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE
4720	EXCEL.EXE

Suspicious use of WriteProcessMemory 8 IoCs

description	pid	Process	procid_target
PID 4720 wrote to memory of 4356	4720	EXCEL.EXE	68
PID 4720 wrote to memory of 4356	4720	EXCEL.EXE	68
PID 4720 wrote to memory of 4624	4720	EXCEL.EXE	69
PID 4720 wrote to memory of 4624	4720	EXCEL.EXE	69
PID 4720 wrote to memory of 5044	4720	EXCEL.EXE	70
PID 4720 wrote to memory of 5044	4720	EXCEL.EXE	70
PID 4720 wrote to memory of 5048	4720	EXCEL.EXE	71
PID 4720 wrote to memory of 5048	4720	EXCEL.EXE	71

C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\6063dca724986586b6d1a461fae8fbde536d717c1916e449dd16686fb34fc36e.xls"
1⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4720
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv1.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4356
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv2.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:4624
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv3.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5044
- C:\Windows\System32\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\oxnv4.ooccxx
  2⤵
  - Process spawned unexpected child process
  PID:5048

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

2

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/4356-271-0x0000000000000000-mapping.dmp

Download
memory/4624-272-0x0000000000000000-mapping.dmp

Download
memory/4720-119-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-116-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-128-0x00007FFA99F90000-0x00007FFA99FA0000-memory.dmp

Filesize
64KB

Download
memory/4720-129-0x00007FFA99F90000-0x00007FFA99FA0000-memory.dmp

Filesize
64KB

Download
memory/4720-118-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-117-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-313-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-314-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-315-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/4720-316-0x00007FFA9D370000-0x00007FFA9D380000-memory.dmp

Filesize
64KB

Download
memory/5044-275-0x0000000000000000-mapping.dmp

Download
memory/5048-278-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads