2b552b67e55949243ead1ff4a8e63dc0a5aed0435c1e2c701daf33e6ab2d841d

Analysis

max time kernel
117s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
09-10-2024 08:59

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General

Target

BOLETO.PDF91235.dll
Size

908KB
MD5

0b0e35589e88331cea0a61aa928b4a63
SHA1

488fefead26edc92a81d3e24c5360a7bd21f5946
SHA256

46877de18cee161794aec4fe9e46e2983847474d58023ff4f21a5256c9ee4703
SHA512

6a72645bf36deb47aad5f7101750be923a8c76a3d79991f030f6543833dcf4607b545281e83c90b2240349f78c26409bd5b76a58a4c06894b37930250af43705
SSDEEP

12288:8RU+PnumcrlCE4aaQN+CULU52eQMalnTLfNz36VQJwT6X888888888888W88888P:kEhn4aaQNHaK2eQXpl36VbT6

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	rundll32.exe

Suspicious use of WriteProcessMemory 7 IoCs

description	pid	Process	procid_target
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31
PID 1924 wrote to memory of 1624	1924	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\BOLETO.PDF91235.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1924
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\BOLETO.PDF91235.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:1624

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/1624-0-0x0000000001F10000-0x0000000001FFC000-memory.dmp

Filesize
944KB

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