334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8

Analysis

max time kernel
94s
max time network
96s
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 22:07

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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
804	arp.exe
1788	arp.exe
4768	arp.exe
4400	arp.exe
3968	arp.exe
3436	arp.exe
3704	arp.exe
832	arp.exe
3160	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/408-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/408-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4420	408	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	408	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3692 wrote to memory of 408	3692	rundll32.exe	83
PID 3692 wrote to memory of 408	3692	rundll32.exe	83
PID 3692 wrote to memory of 408	3692	rundll32.exe	83
PID 408 wrote to memory of 4768	408	rundll32.exe	84
PID 408 wrote to memory of 4768	408	rundll32.exe	84
PID 408 wrote to memory of 4768	408	rundll32.exe	84
PID 408 wrote to memory of 1788	408	rundll32.exe	88
PID 408 wrote to memory of 1788	408	rundll32.exe	88
PID 408 wrote to memory of 1788	408	rundll32.exe	88
PID 408 wrote to memory of 3160	408	rundll32.exe	89
PID 408 wrote to memory of 3160	408	rundll32.exe	89
PID 408 wrote to memory of 3160	408	rundll32.exe	89
PID 408 wrote to memory of 832	408	rundll32.exe	90
PID 408 wrote to memory of 832	408	rundll32.exe	90
PID 408 wrote to memory of 832	408	rundll32.exe	90
PID 408 wrote to memory of 3704	408	rundll32.exe	91
PID 408 wrote to memory of 3704	408	rundll32.exe	91
PID 408 wrote to memory of 3704	408	rundll32.exe	91
PID 408 wrote to memory of 804	408	rundll32.exe	92
PID 408 wrote to memory of 804	408	rundll32.exe	92
PID 408 wrote to memory of 804	408	rundll32.exe	92
PID 408 wrote to memory of 3436	408	rundll32.exe	93
PID 408 wrote to memory of 3436	408	rundll32.exe	93
PID 408 wrote to memory of 3436	408	rundll32.exe	93
PID 408 wrote to memory of 3968	408	rundll32.exe	94
PID 408 wrote to memory of 3968	408	rundll32.exe	94
PID 408 wrote to memory of 3968	408	rundll32.exe	94
PID 408 wrote to memory of 4400	408	rundll32.exe	95
PID 408 wrote to memory of 4400	408	rundll32.exe	95
PID 408 wrote to memory of 4400	408	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\334e48668b9eee246cfac830e32e0e8831735b28be9dad19e2d28e5186c72cd8.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3692
- 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:408
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4768
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 1d-0a-dc-e9-a0-e7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b5-aa-88-45-3e-fe
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3160
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.184 0d-76-73-39-37-ab
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:832
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 ab-6f-a9-4b-85-55
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3704
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 63-19-67-61-de-bf
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:804
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 b9-d8-cc-59-54-51
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3436
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 4e-f5-5e-63-b9-7a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3968
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 be-80-e3-86-9e-da
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4400
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 716
    3⤵
    - Program crash
    PID:4420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 408 -ip 408
1⤵
PID:4504

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/408-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/408-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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