45b65c0735b906ad137dad00f6a17e8127278972e2caf78316b8ab96f25a700d

Analysis

max time kernel
95s
max time network
147s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
24-12-2024 21:47

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General

Target

45b65c0735b906ad137dad00f6a17e8127278972e2caf78316b8ab96f25a700d.dll
Size

76KB
MD5

855f0d0be07c6dc0ec1da9033564a481
SHA1

a2e0ca3cb0e9cfde51260e3da923969318a1a24b
SHA256

45b65c0735b906ad137dad00f6a17e8127278972e2caf78316b8ab96f25a700d
SHA512

11e70088f4f26dff23f82a401a3dded41ab8fa9946e3a1b58a02e468c4dfe4ccf8d5ecc9c1fac29ca011a4c8037a0d7bd29136cd42e4a1c0ef03713d7adb4477
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZtGKw5:c8y93KQjy7G55riF1cMo03PGf

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/3656-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3656-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2968	3656	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	3656	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 956 wrote to memory of 3656	956	rundll32.exe	82
PID 956 wrote to memory of 3656	956	rundll32.exe	82
PID 956 wrote to memory of 3656	956	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\45b65c0735b906ad137dad00f6a17e8127278972e2caf78316b8ab96f25a700d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\45b65c0735b906ad137dad00f6a17e8127278972e2caf78316b8ab96f25a700d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3656
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3656 -s 712
    3⤵
    - Program crash
    PID:2968

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3656 -ip 3656
1⤵
PID:2340

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/3656-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3656-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download