76ca96df388e50113e5966206fbdfdd07b5ee9f85f71b7ddd5265706c19dda31

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01/01/2025, 21:53

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General

Target

76ca96df388e50113e5966206fbdfdd07b5ee9f85f71b7ddd5265706c19dda31N.dll
Size

76KB
MD5

d5e909fd5c084fb865ab0d39d4d159c0
SHA1

1b5f6b26190fc4944ec1191f759f90397a7eeea7
SHA256

76ca96df388e50113e5966206fbdfdd07b5ee9f85f71b7ddd5265706c19dda31
SHA512

248245fdad827aec6bd83962f43162a03e75ff69164877057ce168deec859e55b4362191fa45ab3d0145600ee9a5661cdd71a23bf02b6cb216e3a36552a70c33
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zwnfrw6:c8y93KQjy7G55riF1cMo03czw6

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/3004-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3004-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4868	3004	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	3004	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3092 wrote to memory of 3004	3092	rundll32.exe	82
PID 3092 wrote to memory of 3004	3092	rundll32.exe	82
PID 3092 wrote to memory of 3004	3092	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\76ca96df388e50113e5966206fbdfdd07b5ee9f85f71b7ddd5265706c19dda31N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3092
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\76ca96df388e50113e5966206fbdfdd07b5ee9f85f71b7ddd5265706c19dda31N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3004
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3004 -s 712
    3⤵
    - Program crash
    PID:4868

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3004 -ip 3004
1⤵
PID:3608

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/3004-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3004-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download