38ef0d4db0c606e3689cd279a287e234ef5680328fb055b3b7d51e150e01298e

Analysis

max time kernel
93s
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
11-12-2024 13:54

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General

Target

38ef0d4db0c606e3689cd279a287e234ef5680328fb055b3b7d51e150e01298eN.dll
Size

76KB
MD5

42cacc0998656c02ebe940909e6e0500
SHA1

3db3a5176d344420e9e6ec06c9a7eb20bf820af9
SHA256

38ef0d4db0c606e3689cd279a287e234ef5680328fb055b3b7d51e150e01298e
SHA512

410c02da8e998b6a2fba5a49afbf8c890192d9de60d858f1fb9df2c5f12b97182033e306552e0e92a1bf8a9f4cf7d6db3a8e1b59a80c80ba35d606f66c337d5b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZvAGw+ei:c8y93KQjy7G55riF1cMo03mu

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/3832-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3832-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2524	3832	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	3832	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1660 wrote to memory of 3832	1660	rundll32.exe	82
PID 1660 wrote to memory of 3832	1660	rundll32.exe	82
PID 1660 wrote to memory of 3832	1660	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38ef0d4db0c606e3689cd279a287e234ef5680328fb055b3b7d51e150e01298eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38ef0d4db0c606e3689cd279a287e234ef5680328fb055b3b7d51e150e01298eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3832
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3832 -s 708
    3⤵
    - Program crash
    PID:2524

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 3832 -ip 3832
1⤵
PID:4560

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/3832-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3832-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download