c9fb5d857aaaa883b8402b6a2cd72148f7c1c02cb67cdb3a5cd3b0a285d3523e

Analysis

max time kernel
93s
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 15:14

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General

Target

c9fb5d857aaaa883b8402b6a2cd72148f7c1c02cb67cdb3a5cd3b0a285d3523eN.dll
Size

76KB
MD5

35e1536223db6c92c8450e7342719b90
SHA1

2b65dd7cf0d8e050e83a9c034f30770eb40076ef
SHA256

c9fb5d857aaaa883b8402b6a2cd72148f7c1c02cb67cdb3a5cd3b0a285d3523e
SHA512

babd07cfe27be2fd497a1afe3b0c505e193acabb52385efb0ddcbd00d9ae456abba3a25df2a62a04990e8d609529efe2535e426f6c92a5597ea9a69c40379ce4
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZgSEFDyEX9/bd:c8y93KQjy7G55riF1cMo03uSERdX9B

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/2476-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2476-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4908	2476	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	2476	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1508 wrote to memory of 2476	1508	rundll32.exe	83
PID 1508 wrote to memory of 2476	1508	rundll32.exe	83
PID 1508 wrote to memory of 2476	1508	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9fb5d857aaaa883b8402b6a2cd72148f7c1c02cb67cdb3a5cd3b0a285d3523eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1508
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\c9fb5d857aaaa883b8402b6a2cd72148f7c1c02cb67cdb3a5cd3b0a285d3523eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 708
    3⤵
    - Program crash
    PID:4908

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2476 -ip 2476
1⤵
PID:3980

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/2476-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2476-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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