da7b606e8d29bbca692fb9bc56f36003b5ea4e27e62f90848559501155c23afd

Analysis

max time kernel
121s
max time network
123s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 22:55

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General

Target

11f44531fb088d31307d87b01e8eabff/research-1646684671.xls
Size

648KB
MD5

b775cd8be83696ca37b2fe00bcb40574
SHA1

60c8a9fdf2b24f8fb4913d4745a8557df5ff8e07
SHA256

1df68d55968bb9d2db4d0d18155188a03a442850ff543c8595166ac6987df820
SHA512

5ad4da8582bec3cc545e322cad2e356f59c4bfa5fe4ca90c0e781dd0e63a7aefbcc27b4045583232e4fdccffbc2bceb832b8d8e9ec3c070cf4b6559ca3c99a72
SSDEEP

6144:Hknl9oBdySAx76F6XeyTVtW/9Ny9ABnl5/PBgxOHjuM9Mn:jl5/WxIji

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://nws.visionconsulting.ro/N1G1KCXA/dot.html

xlm40.dropper

https://royalpalm.sparkblue.lk/vCNhYrq3Yg8/dot.html

Signatures

Process spawned unexpected child process 2 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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2880	828	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2984	828	regsvr32.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	EXCEL.EXE
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	regsvr32.exe

Enumerates system info in registry 2 TTPs 1 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\FloatingPointProcessor	EXCEL.EXE

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
828	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
828	EXCEL.EXE
828	EXCEL.EXE
828	EXCEL.EXE

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2880	828	EXCEL.EXE	32
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33
PID 828 wrote to memory of 2984	828	EXCEL.EXE	33

C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE
"C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE" /dde C:\Users\Admin\AppData\Local\Temp\11f44531fb088d31307d87b01e8eabff\research-1646684671.xls
1⤵
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:828
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 -s ..\iroto.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2880
- C:\Windows\SysWOW64\regsvr32.exe
  regsvr32 -s ..\iroto1.dll
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2984

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/828-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/828-1-0x00000000725FD000-0x0000000072608000-memory.dmp

Filesize
44KB

Download
memory/828-2-0x00000000725FD000-0x0000000072608000-memory.dmp

Filesize
44KB

Download