334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
16/12/2024, 22:11

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General

Target

334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8.dll
Size

80KB
MD5

048fbbd78662ee508b464b90b1e15851
SHA1

3a1c457306c37f5e08ff4bc9a644a2a744382eb4
SHA256

334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8
SHA512

e8a51a0533e537238cb714fbe1b6043a49359a50e40b8a42cd548c3600d574415106a04e98d9eaf8f95ed4a91754e3f6519488493a5f4bb062a37801c0e02094
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPExeKIIAd:5dbwovEVyqgoZmZXWfIdQdRaefPFKlAd

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
4668	arp.exe
4900	arp.exe
4344	arp.exe
1420	arp.exe
4380	arp.exe
1944	arp.exe
3640	arp.exe
2524	arp.exe
2092	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3488-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3488-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4924	3488	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	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
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	3488	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 524 wrote to memory of 3488	524	rundll32.exe	83
PID 524 wrote to memory of 3488	524	rundll32.exe	83
PID 524 wrote to memory of 3488	524	rundll32.exe	83
PID 3488 wrote to memory of 4668	3488	rundll32.exe	85
PID 3488 wrote to memory of 4668	3488	rundll32.exe	85
PID 3488 wrote to memory of 4668	3488	rundll32.exe	85
PID 3488 wrote to memory of 1944	3488	rundll32.exe	88
PID 3488 wrote to memory of 1944	3488	rundll32.exe	88
PID 3488 wrote to memory of 1944	3488	rundll32.exe	88
PID 3488 wrote to memory of 4900	3488	rundll32.exe	89
PID 3488 wrote to memory of 4900	3488	rundll32.exe	89
PID 3488 wrote to memory of 4900	3488	rundll32.exe	89
PID 3488 wrote to memory of 2524	3488	rundll32.exe	90
PID 3488 wrote to memory of 2524	3488	rundll32.exe	90
PID 3488 wrote to memory of 2524	3488	rundll32.exe	90
PID 3488 wrote to memory of 3640	3488	rundll32.exe	91
PID 3488 wrote to memory of 3640	3488	rundll32.exe	91
PID 3488 wrote to memory of 3640	3488	rundll32.exe	91
PID 3488 wrote to memory of 4344	3488	rundll32.exe	94
PID 3488 wrote to memory of 4344	3488	rundll32.exe	94
PID 3488 wrote to memory of 4344	3488	rundll32.exe	94
PID 3488 wrote to memory of 1420	3488	rundll32.exe	95
PID 3488 wrote to memory of 1420	3488	rundll32.exe	95
PID 3488 wrote to memory of 1420	3488	rundll32.exe	95
PID 3488 wrote to memory of 2092	3488	rundll32.exe	97
PID 3488 wrote to memory of 2092	3488	rundll32.exe	97
PID 3488 wrote to memory of 2092	3488	rundll32.exe	97
PID 3488 wrote to memory of 4380	3488	rundll32.exe	98
PID 3488 wrote to memory of 4380	3488	rundll32.exe	98
PID 3488 wrote to memory of 4380	3488	rundll32.exe	98

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:524
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3488
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4668
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 09-59-c6-45-49-88
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1944
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 e7-f6-de-75-dc-ac
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4900
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.21 59-1c-51-af-5e-d9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2524
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 f5-9e-10-ac-8e-b6
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3640
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 c6-19-ce-55-a1-5a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4344
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 fd-35-bf-02-ac-03
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1420
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 61-5b-df-3b-8d-9c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2092
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 fa-f7-54-66-35-ce
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3488 -s 712
    3⤵
    - Program crash
    PID:4924

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 3488 -ip 3488
1⤵
PID:228

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/3488-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/3488-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download