699b70644f54d0a8b1bd3127ef6770c6c19f0de82087ad76108a0d68055c2ba1

Analysis

max time kernel
121s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20/11/2024, 07:56

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General

Target

699b70644f54d0a8b1bd3127ef6770c6c19f0de82087ad76108a0d68055c2ba1.xls
Size

91KB
MD5

d686700342ca2e512f2c0db4f2c091fe
SHA1

7311c4dda1d12ec68e491ab8b62b7500c78cb778
SHA256

699b70644f54d0a8b1bd3127ef6770c6c19f0de82087ad76108a0d68055c2ba1
SHA512

34b30785dc117b4a1b2230f2b5af1b745c0f5ce736fc31ca84e1bcc9b24191dbbe72662196d2b328cb533e161c9a435d42a3ff469b9a125c291a97eaf1c727ee
SSDEEP

1536:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgEbCXuZH4gb4CEn9J4ZwEM:LKpb8rGYrMPe3q7Q0XV5xtezEsi8/dgJ

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

http://www.muyehuayi.com/cmp/8asA99KPsyA/v6lUsWbLen/

xlm40.dropper

http://concivilpa.com.py/wp-admin/i3CQu9dzDrMW/

xlm40.dropper

https://wijsneusmedia.nl/cgi-bin/kFB/

xlm40.dropper

http://www.angloextrema.com.br/assets/oEt1yYckHKlnNIq/

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 (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2332	3056	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2740	3056	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2776	3056	regsvr32.exe	29
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2960	3056	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

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

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

Suspicious behavior: AddClipboardFormatListener 1 IoCs

pid	Process
3056	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
3056	EXCEL.EXE
3056	EXCEL.EXE
3056	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2332	3056	EXCEL.EXE	31
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2740	3056	EXCEL.EXE	32
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2776	3056	EXCEL.EXE	33
PID 3056 wrote to memory of 2960	3056	EXCEL.EXE	34
PID 3056 wrote to memory of 2960	3056	EXCEL.EXE	34
PID 3056 wrote to memory of 2960	3056	EXCEL.EXE	34
PID 3056 wrote to memory of 2960	3056	EXCEL.EXE	34
PID 3056 wrote to memory of 2960	3056	EXCEL.EXE	34
PID 3056 wrote to memory of 2960	3056	EXCEL.EXE	34
PID 3056 wrote to memory of 2960	3056	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\699b70644f54d0a8b1bd3127ef6770c6c19f0de82087ad76108a0d68055c2ba1.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:3056
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv1.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2332
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv2.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2740
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv3.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2776
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\elv4.ooocccxxx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2960

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

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Downloads

memory/3056-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

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memory/3056-1-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Filesize
44KB

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memory/3056-15-0x0000000072C3D000-0x0000000072C48000-memory.dmp

Filesize
44KB

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Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads