bf41fd417847d6f3e520d8c77de31830a319a31b9f89d61461a5807ec8ccfc33

Analysis

max time kernel
90s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-01-2025 23:43

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

bf41fd417847d6f3e520d8c77de31830a319a31b9f89d61461a5807ec8ccfc33.dll
Size

76KB
MD5

8f68110eb888898e07ad445338c50d3a
SHA1

56d175c41c1492bae37b99f313855064731188ef
SHA256

bf41fd417847d6f3e520d8c77de31830a319a31b9f89d61461a5807ec8ccfc33
SHA512

1af50b6e26a7ce751f9b2773ec85b756597712b18f6b98e6c8e72293f1efb1746d066deb8ce0e02950691e517bdb4a6ed9b628656093f925177b857b632c2e90
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZcNXo:c8y93KQjy7G55riF1cMo03ORo

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/4972-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4972-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3944	4972	WerFault.exe	85

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	4972	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1040 wrote to memory of 4972	1040	rundll32.exe	85
PID 1040 wrote to memory of 4972	1040	rundll32.exe	85
PID 1040 wrote to memory of 4972	1040	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf41fd417847d6f3e520d8c77de31830a319a31b9f89d61461a5807ec8ccfc33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1040
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bf41fd417847d6f3e520d8c77de31830a319a31b9f89d61461a5807ec8ccfc33.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4972 -s 712
    3⤵
    - Program crash
    PID:3944

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4972 -ip 4972
1⤵
PID:3588

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

Loading Replay Monitor...

Downloads

memory/4972-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4972-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download