b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355

Analysis

max time kernel
16s
max time network
17s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
27/03/2025, 21:49

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General

Target

b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355.xls
Size

1.5MB
MD5

b1db50fd39101a9f00f6019a41146173
SHA1

b99ee1661682d4095db67cf99823e4b050d3ed58
SHA256

b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355
SHA512

d7c3e3fdd158f3f4840b84b13a441c5fea90ceba712a158a10caa274567f2e7f6f46524f78dbd5c58f4dff980fb70f19f5110d09323a8d45e8ca2d2a705c12eb
SSDEEP

24576:x8wPiXeV+fXR++idpgv/v5/r7DtYM9tnTEVxDCY6femXHxG+RUD/YsWeD:KwPiX4kYOf8

Score

3^/10

discovery

Malware Config

Signatures

System Location Discovery: System Language Discovery 1 TTPs 1 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

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
2188	EXCEL.EXE

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
2188	EXCEL.EXE
2188	EXCEL.EXE
2188	EXCEL.EXE
2188	EXCEL.EXE

Suspicious use of WriteProcessMemory 4 IoCs

description	pid	Process	procid_target
PID 2188 wrote to memory of 3060	2188	EXCEL.EXE	30
PID 2188 wrote to memory of 3060	2188	EXCEL.EXE	30
PID 2188 wrote to memory of 3060	2188	EXCEL.EXE	30
PID 2188 wrote to memory of 3060	2188	EXCEL.EXE	30

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\b643f0c70ccc5676d8d88bc0615195f40bf763701387f67b9ccc4ff37f225355.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:2188
- C:\Windows\splwow64.exe
  C:\Windows\splwow64.exe 12288
  2⤵
  PID:3060

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

memory/2188-0-0x000000005FFF0000-0x0000000060000000-memory.dmp

Filesize
64KB

Download
memory/2188-1-0x000000007284D000-0x0000000072858000-memory.dmp

Filesize
44KB

Download
memory/2188-8-0x0000000007730000-0x0000000007930000-memory.dmp

Filesize
2.0MB

Download
memory/2188-9-0x000000007284D000-0x0000000072858000-memory.dmp

Filesize
44KB

Download
memory/2188-10-0x0000000007730000-0x0000000007930000-memory.dmp

Filesize
2.0MB

Download