548a95874bd76148ec652a03f114709880801c322700821f24349d1950bd94cb

Analysis

max time kernel
118s
max time network
127s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 08:05

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General

Target

Estado_de_cuenta.xls
Size

196KB
MD5

e700160268262e4b240c83c431f11299
SHA1

fdea2e1e5f0904c186a53bd325550707f7aa2699
SHA256

548a95874bd76148ec652a03f114709880801c322700821f24349d1950bd94cb
SHA512

2460d16d033021dad30dfa88e547118c05f151070233eb4e39a1e9a8e320fc76b23001f315eb5c3ea18c3f5721c22bfcd9fcae8cca4670ed5ddce5f6da56a0ad
SSDEEP

6144:wxEtjPOtioVjDGUU1qfDlavx+W2QnAj+Ly9ckwDwPq5XlsqYwxNNiprC:E+VkGUqLsqhi4

Score

10^/10

discovery

Malware Config

Signatures

Process spawned unexpected child process 1 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	2564	2508	WScript.exe	29

Blocklisted process makes network request 1 IoCs

flow	pid	Process
10	2564	WScript.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	WScript.exe

Office loads VBA resources, possible macro or embedded object present

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
2508	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE
2508	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2508 wrote to memory of 2564	2508	EXCEL.EXE	32
PID 2508 wrote to memory of 2564	2508	EXCEL.EXE	32
PID 2508 wrote to memory of 2564	2508	EXCEL.EXE	32
PID 2508 wrote to memory of 2564	2508	EXCEL.EXE	32

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\Estado_de_cuenta.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:2508
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\FYXUDCNXK.vbs"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:2564

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

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\FYXUDCNXK.vbs

Filesize
10KB

MD5
c818cba07e014f95bcf8b133eaba0ee6

SHA1
83852a470bf54205d59cf40675034f2129a10771

SHA256
6b30fade6f3a26071148b661172fb9d8976c5d1d890a407bd06b5a4ae801b9b3

SHA512
c718d0d1d43d7b36f6b3988d5e7de327d14f9d94ae43b62d7a5169c7580b57fbb83e49c2cb209e0328f748668a554878a083a763639b640806f4addd9430e78b

Download Submit
memory/2508-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2508-1-0x000000007214D000-0x0000000072158000-memory.dmp

Filesize
44KB

Download
memory/2508-10-0x0000000006210000-0x0000000006310000-memory.dmp

Filesize
1024KB

Download
memory/2508-27-0x0000000006210000-0x0000000006310000-memory.dmp

Filesize
1024KB

Download
memory/2508-28-0x0000000006210000-0x0000000006310000-memory.dmp

Filesize
1024KB

Download
memory/2508-29-0x000000007214D000-0x0000000072158000-memory.dmp

Filesize
44KB

Download
memory/2508-30-0x0000000006210000-0x0000000006310000-memory.dmp

Filesize
1024KB

Download
memory/2508-49-0x0000000006210000-0x0000000006310000-memory.dmp

Filesize
1024KB

Download
memory/2508-50-0x0000000006210000-0x0000000006310000-memory.dmp

Filesize
1024KB

Download