b298f0ea290f97d3fd7b13d72b8272291e800e3c2cc7b49f2eb3282c3a6d2dee

Analysis

max time kernel
95s
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
25-12-2024 19:03

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General

Target

b298f0ea290f97d3fd7b13d72b8272291e800e3c2cc7b49f2eb3282c3a6d2deeN.dll
Size

76KB
MD5

728b2d9d0b7b8c925f6e4d4907006720
SHA1

9fa6c429ba8ff883f2977d721fd4b9ad9c11b5fe
SHA256

b298f0ea290f97d3fd7b13d72b8272291e800e3c2cc7b49f2eb3282c3a6d2dee
SHA512

2c86afd9db794f985e84c89d5a520865103b885122915def43b680814d74318d57e52e7e26e9102dab2250cbd35b8f072dc7a02b18f30eb762388a3e04a219a4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZU9kQc7Z:c8y93KQjy7G55riF1cMo036k

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/4316-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4316-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1072	4316	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	4316	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1752 wrote to memory of 4316	1752	rundll32.exe	82
PID 1752 wrote to memory of 4316	1752	rundll32.exe	82
PID 1752 wrote to memory of 4316	1752	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b298f0ea290f97d3fd7b13d72b8272291e800e3c2cc7b49f2eb3282c3a6d2deeN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1752
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b298f0ea290f97d3fd7b13d72b8272291e800e3c2cc7b49f2eb3282c3a6d2deeN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4316
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4316 -s 704
    3⤵
    - Program crash
    PID:1072

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4316 -ip 4316
1⤵
PID:2572

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/4316-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4316-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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