258d5cc618a61f46842772db148930d0a8ebee9b67468e3e2d2549bb4f6ccab5

Analysis

max time kernel
92s
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
12/10/2024, 10:53

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General

Target

258d5cc618a61f46842772db148930d0a8ebee9b67468e3e2d2549bb4f6ccab5N.dll
Size

76KB
MD5

c5e439100c3a044c867f7aa2c940cc50
SHA1

a2d3f4c3a7567887e93aa013a5de7c763f804e76
SHA256

258d5cc618a61f46842772db148930d0a8ebee9b67468e3e2d2549bb4f6ccab5
SHA512

d7212ee7dd174c76ca4b83c91b50742f264bed3d8f0ac1065b54bacbb6612751210cebe62bd1f6ea34abb1c24904430253ed931344abe3b053c0b4afa581b857
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZrIK:c8y93KQjy7G55riF1cMo039j

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/4564-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4564-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3640	4564	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	4564	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1172 wrote to memory of 4564	1172	rundll32.exe	83
PID 1172 wrote to memory of 4564	1172	rundll32.exe	83
PID 1172 wrote to memory of 4564	1172	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\258d5cc618a61f46842772db148930d0a8ebee9b67468e3e2d2549bb4f6ccab5N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\258d5cc618a61f46842772db148930d0a8ebee9b67468e3e2d2549bb4f6ccab5N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4564
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4564 -s 704
    3⤵
    - Program crash
    PID:3640

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4564 -ip 4564
1⤵
PID:3880

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/4564-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4564-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download