f4b558ed2d3d7061a47277380eb22d57fd3ebd1ff339dceb1cfd58eb8d044bad

Analysis

max time kernel
140s
max time network
147s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 18:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

f4b558ed2d3d7061a47277380eb22d57fd3ebd1ff339dceb1cfd58eb8d044bad.xls
Size

95KB
MD5

80a4a339331e6edbe2efde77a87cc2e0
SHA1

9ed2a841af1b5aea5fd1ab5df3d6b22df1e77e09
SHA256

f4b558ed2d3d7061a47277380eb22d57fd3ebd1ff339dceb1cfd58eb8d044bad
SHA512

b96bf9fb5937e5861194937200dca3d0f5e918fe851d0f90f304b93e0522eb57c76c3b687809036670435919b0bc306f0a0553fd9b7b49caa4dc77aace2fcaa3
SSDEEP

1536:iFKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgYHuS4hcTO97v7UYdEJmFF2:cKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgo

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://educacionsanvicentefundacion.com/iplookup/wYEInbaN/

xlm40.dropper

https://www.4monkeys.com/wp-admin/dNAuBEKo/

xlm40.dropper

http://haircutbar.com/cgi-bin/dNfEA5F/

xlm40.dropper

http://gedebey-tvradio.info/wp-includes/T0J9THbd5f2/

Signatures

Process spawned unexpected child process 4 IoCs

This typically indicates the parent process was compromised via an exploit or macro.

Processes:

regsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

description	pid	pid_target	Process	procid_target
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2752	1964	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2736	1964	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2620	1964	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2260	1964	regsvr32.exe	29

System Location Discovery: System Language Discovery 1 TTPs 5 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

Processes:

EXCEL.EXEregsvr32.exeregsvr32.exeregsvr32.exeregsvr32.exe

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
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

Processes:

EXCEL.EXE

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

Processes:

EXCEL.EXE

pid	Process
1964	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

Processes:

EXCEL.EXE

pid	Process
1964	EXCEL.EXE
1964	EXCEL.EXE
1964	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

Processes:

EXCEL.EXE

description	pid	Process	procid_target
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2752	1964	EXCEL.EXE	31
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2736	1964	EXCEL.EXE	32
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2620	1964	EXCEL.EXE	33
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34
PID 1964 wrote to memory of 2260	1964	EXCEL.EXE	34

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\f4b558ed2d3d7061a47277380eb22d57fd3ebd1ff339dceb1cfd58eb8d044bad.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:1964
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2752
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya2.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2736
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2620
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uoya4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2260

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

Loading Replay Monitor...

Downloads

memory/1964-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/1964-1-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

Filesize
44KB

Download
memory/1964-12-0x0000000071DBD000-0x0000000071DC8000-memory.dmp

Filesize
44KB

Download