3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906

Analysis

max time kernel
140s
max time network
142s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-11-2024 23:24

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General

Target

3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906.xls
Size

67KB
MD5

aae1436e3ffedebe5c60d7b7e59465c7
SHA1

ced5491af49cce42a04eabeb48ed0ac7ceae206e
SHA256

3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906
SHA512

2d0158f145fb6095058b735449ac17138ed9ef1331f339c013b28f7107f50ef216781574458e85f0b586e97d17bf29c70496127203fe50698f9729cf73e604a3
SSDEEP

1536:nVKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM+u9s1a6YG2jzQ0viPvDNHhGtM:VKpb8rGYrMPe3q7Q0XV5xtezE8vG8UM0

Score

10^/10

discovery

Malware Config

Extracted

Language

xlm4.0

Source

URLs

xlm40.dropper

https://www.melisetotoaksesuar.com/catalog/controller/account/dqfKI/

xlm40.dropper

http://elamurray.com/athletics-carnival-2018/3UTZYr9D9f/

xlm40.dropper

http://masyuk.com/581voyze/MlX/

xlm40.dropper

http://jr-software-web.net/aaabackupsqldb/11hYk3bHJ/

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	2668	540	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2752	540	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2756	540	regsvr32.exe	30
Parent C:\Program Files (x86)\Microsoft Office\Office14\EXCEL.EXE is not expected to spawn this process	2768	540	regsvr32.exe	30

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	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	EXCEL.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
540	EXCEL.EXE

Suspicious use of SetWindowsHookEx 3 IoCs

pid	Process
540	EXCEL.EXE
540	EXCEL.EXE
540	EXCEL.EXE

Suspicious use of WriteProcessMemory 28 IoCs

description	pid	Process	procid_target
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2668	540	EXCEL.EXE	32
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2752	540	EXCEL.EXE	33
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2756	540	EXCEL.EXE	34
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35
PID 540 wrote to memory of 2768	540	EXCEL.EXE	35

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\3b3e640a15a24331bb2127faf703e1b3a3998558dd750e522f0bfed04ebfc906.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:540
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr1.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2668
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr2.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 ..\uxevr3.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2756
- C:\Windows\SysWOW64\regsvr32.exe
  C:\Windows\System32\regsvr32.exe /S ..\uxevr4.ocx
  2⤵
  - Process spawned unexpected child process
  - System Location Discovery: System Language Discovery
  PID:2768

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/540-1-0x00000000735DD000-0x00000000735E8000-memory.dmp

Filesize
44KB

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memory/540-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/540-2-0x00000000735DD000-0x00000000735E8000-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