fc96c16c94923b3e1c696ddeb18c0f23e1e49041fc667f6e9a23c6e7cbeeb920

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
22-12-2024 15:27

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General

Target

fc96c16c94923b3e1c696ddeb18c0f23e1e49041fc667f6e9a23c6e7cbeeb920N.dll
Size

76KB
MD5

b60c1685b86c0c0f278ccb093cbe4c00
SHA1

eb56f3aa37c9862db188616ed8a265cceb82c87a
SHA256

fc96c16c94923b3e1c696ddeb18c0f23e1e49041fc667f6e9a23c6e7cbeeb920
SHA512

347ef26f86dd49414a3065c0d07715fb63afe2cb8cafd8b1724368688b49d872344b2e533a0a92405be1b2cb26070ce2c0a41d74c7984ebdc49b95c728a837bb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZlWEAub:c8y93KQjy7G55riF1cMo03PWEAub

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/4564-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3824	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 964 wrote to memory of 4564	964	rundll32.exe	83
PID 964 wrote to memory of 4564	964	rundll32.exe	83
PID 964 wrote to memory of 4564	964	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc96c16c94923b3e1c696ddeb18c0f23e1e49041fc667f6e9a23c6e7cbeeb920N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:964
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fc96c16c94923b3e1c696ddeb18c0f23e1e49041fc667f6e9a23c6e7cbeeb920N.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:3824

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4564 -ip 4564
1⤵
PID:4084

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/4564-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download