083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 19:29

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General

Target

083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll
Size

80KB
MD5

a83e9883bae2fe9090435584a488db46
SHA1

6b5b652751bcab9fd309bf677cffe090f4924282
SHA256

083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d
SHA512

024c5dc49ab1d4be88909ebb2ea21aa74d3c48331d34d81bd14bb357247435174d5b52d9147977a4e6b398ea7f775bf9861ffafac1d34805bb9563a2d1b99aae
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEHzhc:5dbwovEVyqgoZmZXWfIdQdRaefPR

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
3556	arp.exe
3680	arp.exe
2156	arp.exe
2356	arp.exe
2680	arp.exe
4408	arp.exe
4012	arp.exe
8	arp.exe
2608	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4912-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4912-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3280	4912	WerFault.exe	83

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	rundll32.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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4912	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1356 wrote to memory of 4912	1356	rundll32.exe	83
PID 1356 wrote to memory of 4912	1356	rundll32.exe	83
PID 1356 wrote to memory of 4912	1356	rundll32.exe	83
PID 4912 wrote to memory of 3556	4912	rundll32.exe	85
PID 4912 wrote to memory of 3556	4912	rundll32.exe	85
PID 4912 wrote to memory of 3556	4912	rundll32.exe	85
PID 4912 wrote to memory of 2608	4912	rundll32.exe	88
PID 4912 wrote to memory of 2608	4912	rundll32.exe	88
PID 4912 wrote to memory of 2608	4912	rundll32.exe	88
PID 4912 wrote to memory of 8	4912	rundll32.exe	89
PID 4912 wrote to memory of 8	4912	rundll32.exe	89
PID 4912 wrote to memory of 8	4912	rundll32.exe	89
PID 4912 wrote to memory of 4012	4912	rundll32.exe	90
PID 4912 wrote to memory of 4012	4912	rundll32.exe	90
PID 4912 wrote to memory of 4012	4912	rundll32.exe	90
PID 4912 wrote to memory of 2356	4912	rundll32.exe	91
PID 4912 wrote to memory of 2356	4912	rundll32.exe	91
PID 4912 wrote to memory of 2356	4912	rundll32.exe	91
PID 4912 wrote to memory of 2156	4912	rundll32.exe	92
PID 4912 wrote to memory of 2156	4912	rundll32.exe	92
PID 4912 wrote to memory of 2156	4912	rundll32.exe	92
PID 4912 wrote to memory of 4408	4912	rundll32.exe	93
PID 4912 wrote to memory of 4408	4912	rundll32.exe	93
PID 4912 wrote to memory of 4408	4912	rundll32.exe	93
PID 4912 wrote to memory of 3680	4912	rundll32.exe	94
PID 4912 wrote to memory of 3680	4912	rundll32.exe	94
PID 4912 wrote to memory of 3680	4912	rundll32.exe	94
PID 4912 wrote to memory of 2680	4912	rundll32.exe	95
PID 4912 wrote to memory of 2680	4912	rundll32.exe	95
PID 4912 wrote to memory of 2680	4912	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1356
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4912
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3556
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 52-40-5b-bf-bb-51
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2608
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c5-12-db-40-a8-04
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:8
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.182 07-c2-77-41-93-56
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4012
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 7a-79-7c-34-5e-f7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2356
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 16-04-ee-00-8d-3d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2156
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 6f-05-51-3a-03-10
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4408
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 4a-e7-d8-ef-3f-50
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3680
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 b3-02-28-88-94-9f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2680
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 704
    3⤵
    - Program crash
    PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4912 -ip 4912
1⤵
PID:3216

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/4912-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/4912-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download