75a5568c91850b8332bf8ac3d6a0acbe24a2bbb9a7941994709ba3cbaa255c5a

Analysis

max time kernel
119s
max time network
121s
platform
windows7_x64
resource
win7-20241023-en
resource tags

arch:x64arch:x86image:win7-20241023-enlocale:en-usos:windows7-x64system
submitted
08-12-2024 08:06

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General

Target

Estado de cuenta.xls
Size

192KB
MD5

31795aff2f438defa01c82368886353c
SHA1

3f4c6dfa01693fea70f3113c11aeb5812b0c6cdb
SHA256

75a5568c91850b8332bf8ac3d6a0acbe24a2bbb9a7941994709ba3cbaa255c5a
SHA512

9ceebe6f8c7ee47b23c9e9350b7afdb21064edc45009ad8d1400566959d669b5aa2fd426d19c3302d701e05d5a09e9ed4088c1869168f4237b2b7417e21a49df
SSDEEP

6144:BxEtjPOtioVjDGUU1qfDlavx+W2QnAu+Ly9ckwDwPq5XlsqhwxNNipu:s+VkGUqLsqyi

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	2736	2616	WScript.exe	29

Blocklisted process makes network request 1 IoCs

flow	pid	Process
10	2736	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
2616	EXCEL.EXE

Suspicious use of SetWindowsHookEx 5 IoCs

pid	Process
2616	EXCEL.EXE
2616	EXCEL.EXE
2616	EXCEL.EXE
2616	EXCEL.EXE
2616	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 2736	2616	EXCEL.EXE	31
PID 2616 wrote to memory of 2736	2616	EXCEL.EXE	31
PID 2616 wrote to memory of 2736	2616	EXCEL.EXE	31
PID 2616 wrote to memory of 2736	2616	EXCEL.EXE	31

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:2616
- C:\Windows\SysWOW64\WScript.exe
  "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\TDCNX.vbs"
  2⤵
  - Process spawned unexpected child process
  - Blocklisted process makes network request
  - System Location Discovery: System Language Discovery
  PID:2736

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\TDCNX.vbs

Filesize
10KB

MD5
c818cba07e014f95bcf8b133eaba0ee6

SHA1
83852a470bf54205d59cf40675034f2129a10771

SHA256
6b30fade6f3a26071148b661172fb9d8976c5d1d890a407bd06b5a4ae801b9b3

SHA512
c718d0d1d43d7b36f6b3988d5e7de327d14f9d94ae43b62d7a5169c7580b57fbb83e49c2cb209e0328f748668a554878a083a763639b640806f4addd9430e78b

Download Submit
memory/2616-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2616-1-0x000000007280D000-0x0000000072818000-memory.dmp

Filesize
44KB

Download
memory/2616-6-0x0000000006310000-0x0000000006410000-memory.dmp

Filesize
1024KB

Download
memory/2616-9-0x0000000006310000-0x0000000006410000-memory.dmp

Filesize
1024KB

Download
memory/2616-10-0x0000000006310000-0x0000000006410000-memory.dmp

Filesize
1024KB

Download
memory/2616-29-0x000000007280D000-0x0000000072818000-memory.dmp

Filesize
44KB

Download
memory/2616-30-0x0000000006310000-0x0000000006410000-memory.dmp

Filesize
1024KB

Download
memory/2616-31-0x0000000006310000-0x0000000006410000-memory.dmp

Filesize
1024KB

Download