bfb3e6daea1702910db0a80b3d00a67f609e439d6cbe2434e089fe52682be928

Analysis

max time kernel
93s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 15:28

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General

Target

bfb3e6daea1702910db0a80b3d00a67f609e439d6cbe2434e089fe52682be928N.dll
Size

76KB
MD5

8f2776e1d18000183d28caddd50d6bd0
SHA1

216c0e2fb300b69a1aa1a3ffbe0ab09aa9c28e5f
SHA256

bfb3e6daea1702910db0a80b3d00a67f609e439d6cbe2434e089fe52682be928
SHA512

6b0c7eb95dc87beffb3a34cbec4de5db7438291c45f18b99c2277169dbe74b963e72eb4810cd70759bcc6c52f4f89d6b109d053d4e84847f8ff35f402bb1a847
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZujPxM:c8y93KQjy7G55riF1cMo032S

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/1072-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1072-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1564	1072	WerFault.exe	82

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1072	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 464 wrote to memory of 1072	464	rundll32.exe	82
PID 464 wrote to memory of 1072	464	rundll32.exe	82
PID 464 wrote to memory of 1072	464	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfb3e6daea1702910db0a80b3d00a67f609e439d6cbe2434e089fe52682be928N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:464
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bfb3e6daea1702910db0a80b3d00a67f609e439d6cbe2434e089fe52682be928N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1072
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1072 -s 704
    3⤵
    - Program crash
    PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 1072 -ip 1072
1⤵
PID:736

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/1072-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/1072-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download