45be5436d1dfa64e78b91f96005e739c37dadc3994eec065947e09e3f4aee814

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 10:14

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General

Target

45be5436d1dfa64e78b91f96005e739c37dadc3994eec065947e09e3f4aee814.dll
Size

76KB
MD5

82514151197920da966ed80b91b3e27f
SHA1

34693a517822cb158a1c8d59b01713228b69ce67
SHA256

45be5436d1dfa64e78b91f96005e739c37dadc3994eec065947e09e3f4aee814
SHA512

a8f18af4f68f9338f4aad241cfba94ee52eec64e7da1403ebede219d118f48b5a07d90b49b32dad1c8546868b6552965e2a7cb3d42aa8f0305b9389bedec37d9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z44H+:c8y93KQjy7G55riF1cMo03qj

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/1016-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1016-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2188	1016	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	1016	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 1016	1068	rundll32.exe	83
PID 1068 wrote to memory of 1016	1068	rundll32.exe	83
PID 1068 wrote to memory of 1016	1068	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\45be5436d1dfa64e78b91f96005e739c37dadc3994eec065947e09e3f4aee814.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\45be5436d1dfa64e78b91f96005e739c37dadc3994eec065947e09e3f4aee814.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1016
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1016 -s 704
    3⤵
    - Program crash
    PID:2188

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1016 -ip 1016
1⤵
PID:1624

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/1016-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1016-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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