358fa557899b191b45640a7eb80490a23d9bb9bf02c5432b41bde9483b7126ef

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
16-12-2024 22:09

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General

Target

358fa557899b191b45640a7eb80490a23d9bb9bf02c5432b41bde9483b7126ef.dll
Size

76KB
MD5

d0d55932034d85112b2f3388ddbf4837
SHA1

a5b0a2965c04d964462a342510226a135e491f0e
SHA256

358fa557899b191b45640a7eb80490a23d9bb9bf02c5432b41bde9483b7126ef
SHA512

c45559c959aa3622836f2891363a2f1463fefb75f1708b46d3d3a768f5e14219ccd23feff90e0656eadbfc6c78d996c973fb56d01550c43838a87d090c8b9de6
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZPW8NaWo:c8y93KQjy7G55riF1cMo03fNa/

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/536-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/536-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
972	536	WerFault.exe	84

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	536	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 536	4804	rundll32.exe	84
PID 4804 wrote to memory of 536	4804	rundll32.exe	84
PID 4804 wrote to memory of 536	4804	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\358fa557899b191b45640a7eb80490a23d9bb9bf02c5432b41bde9483b7126ef.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\358fa557899b191b45640a7eb80490a23d9bb9bf02c5432b41bde9483b7126ef.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:536
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 536 -s 692
    3⤵
    - Program crash
    PID:972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 536 -ip 536
1⤵
PID:664

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/536-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/536-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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