99d80f12371da86f92580c9281ab0f975a718e309a78d88cd1f9299cc89dcf4e

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
17-12-2024 04:57

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General

Target

99d80f12371da86f92580c9281ab0f975a718e309a78d88cd1f9299cc89dcf4eN.dll
Size

76KB
MD5

a6d48d6c9eb9a55d599a377039d9b6c0
SHA1

b0c263cb5de417eb6a8947dca2373afdbbd20ec3
SHA256

99d80f12371da86f92580c9281ab0f975a718e309a78d88cd1f9299cc89dcf4e
SHA512

3045be9f5288cb7dd5c0e84cfdbcfdbfe9e7a67604285b35388de364f9b42b8096f7e6bba16ffffaf5f34bf1533549d79a934bc287e3a76ec864f69e088c26b4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZzJ0tyiR3:c8y93KQjy7G55riF1cMo03hJg

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/456-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/456-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4436	456	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	456	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1624 wrote to memory of 456	1624	rundll32.exe	83
PID 1624 wrote to memory of 456	1624	rundll32.exe	83
PID 1624 wrote to memory of 456	1624	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\99d80f12371da86f92580c9281ab0f975a718e309a78d88cd1f9299cc89dcf4eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1624
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\99d80f12371da86f92580c9281ab0f975a718e309a78d88cd1f9299cc89dcf4eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:456
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 456 -s 712
    3⤵
    - Program crash
    PID:4436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 456 -ip 456
1⤵
PID:3632

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/456-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/456-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download