9402b7d3407499570706186813f1dc35171009e7fb8d0a1d3ea06e1101e41f0f

Analysis

max time kernel
93s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
31-12-2024 02:52

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General

Target

9402b7d3407499570706186813f1dc35171009e7fb8d0a1d3ea06e1101e41f0fN.dll
Size

80KB
MD5

d07db6057c53abbb0897079802e2e700
SHA1

8b8dae9c4cf5d0fdea7154dc7315a4f1ee600af5
SHA256

9402b7d3407499570706186813f1dc35171009e7fb8d0a1d3ea06e1101e41f0f
SHA512

5d7b8ffdd6419cae27288de09023dce3b3dbd71054c1ad049ac593c40eef39210e63f8cdfde1ad54de49d65450ccd6a2576632fddcc01705e33d428b30ab0391
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEe5LTU:5dbwovEVyqgoZmZXWfIdQdRaefPD5E

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
4084	arp.exe
2996	arp.exe
3584	arp.exe
4256	arp.exe
1748	arp.exe
1528	arp.exe
676	arp.exe
5104	arp.exe
3376	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2752-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/2752-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3332	2752	WerFault.exe	82

System Location Discovery: System Language Discovery 1 TTPs 10 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	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	rundll32.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	arp.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2752	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3664 wrote to memory of 2752	3664	rundll32.exe	82
PID 3664 wrote to memory of 2752	3664	rundll32.exe	82
PID 3664 wrote to memory of 2752	3664	rundll32.exe	82
PID 2752 wrote to memory of 1528	2752	rundll32.exe	83
PID 2752 wrote to memory of 1528	2752	rundll32.exe	83
PID 2752 wrote to memory of 1528	2752	rundll32.exe	83
PID 2752 wrote to memory of 676	2752	rundll32.exe	87
PID 2752 wrote to memory of 676	2752	rundll32.exe	87
PID 2752 wrote to memory of 676	2752	rundll32.exe	87
PID 2752 wrote to memory of 4084	2752	rundll32.exe	88
PID 2752 wrote to memory of 4084	2752	rundll32.exe	88
PID 2752 wrote to memory of 4084	2752	rundll32.exe	88
PID 2752 wrote to memory of 5104	2752	rundll32.exe	89
PID 2752 wrote to memory of 5104	2752	rundll32.exe	89
PID 2752 wrote to memory of 5104	2752	rundll32.exe	89
PID 2752 wrote to memory of 3376	2752	rundll32.exe	90
PID 2752 wrote to memory of 3376	2752	rundll32.exe	90
PID 2752 wrote to memory of 3376	2752	rundll32.exe	90
PID 2752 wrote to memory of 4256	2752	rundll32.exe	91
PID 2752 wrote to memory of 4256	2752	rundll32.exe	91
PID 2752 wrote to memory of 4256	2752	rundll32.exe	91
PID 2752 wrote to memory of 3584	2752	rundll32.exe	92
PID 2752 wrote to memory of 3584	2752	rundll32.exe	92
PID 2752 wrote to memory of 3584	2752	rundll32.exe	92
PID 2752 wrote to memory of 2996	2752	rundll32.exe	94
PID 2752 wrote to memory of 2996	2752	rundll32.exe	94
PID 2752 wrote to memory of 2996	2752	rundll32.exe	94
PID 2752 wrote to memory of 1748	2752	rundll32.exe	99
PID 2752 wrote to memory of 1748	2752	rundll32.exe	99
PID 2752 wrote to memory of 1748	2752	rundll32.exe	99

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\9402b7d3407499570706186813f1dc35171009e7fb8d0a1d3ea06e1101e41f0fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3664
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\9402b7d3407499570706186813f1dc35171009e7fb8d0a1d3ea06e1101e41f0fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2752
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1528
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 37-c9-e5-67-f2-ad
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:676
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 85-b8-2b-1b-f0-09
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4084
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.207 13-75-c5-9b-b0-b0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:5104
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 52-b7-9c-56-7b-9e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3376
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 66-c4-46-6e-63-a8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4256
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 87-73-d9-f5-59-9c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3584
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 b4-72-fb-be-bd-95
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2996
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 42-46-14-77-83-6a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1748
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2752 -s 728
    3⤵
    - Program crash
    PID:3332

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2752 -ip 2752
1⤵
PID:4080

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Network Service Discovery

T1046

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/2752-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2752-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download