82a281e3903aaafaa437359d89a0bd28457c19cd548ae9b48be3d4afa1c50dba

Analysis

max time kernel
94s
max time network
95s
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 09:51

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General

Target

82a281e3903aaafaa437359d89a0bd28457c19cd548ae9b48be3d4afa1c50dbaN.dll
Size

76KB
MD5

8ee69bff86622408f9970c7bd8772b90
SHA1

d1191651be60be2095167272df9a116b0583b671
SHA256

82a281e3903aaafaa437359d89a0bd28457c19cd548ae9b48be3d4afa1c50dba
SHA512

9dd1a0e80817cde7296405cee3e01dce9d0ed095cca7720e813f692925f15d3149bae2a36c528991f5189ae9a8bdde5804c8ac53a6dfcc54afa964cc2dc65450
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZNt6HT:c8y93KQjy7G55riF1cMo030z

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2012-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2012-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1564	2012	WerFault.exe	83

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	2012	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1168 wrote to memory of 2012	1168	rundll32.exe	83
PID 1168 wrote to memory of 2012	1168	rundll32.exe	83
PID 1168 wrote to memory of 2012	1168	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\82a281e3903aaafaa437359d89a0bd28457c19cd548ae9b48be3d4afa1c50dbaN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1168
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\82a281e3903aaafaa437359d89a0bd28457c19cd548ae9b48be3d4afa1c50dbaN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2012 -s 712
    3⤵
    - Program crash
    PID:1564

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2012 -ip 2012
1⤵
PID:2020

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/2012-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2012-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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