fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb

Analysis

max time kernel
95s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
27-12-2024 04:40

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General

Target

fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb.dll
Size

80KB
MD5

8860dde3ce682f86c8802b891cb54775
SHA1

e3909fd5eff9481a182d5679f7bb6b845da931bc
SHA256

fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb
SHA512

c582de1c3f2cddcb4676c4b647cf63bd26e6973dd1ecfbb831c1acea2e521e2bbf28de863e0b265f2f689f8839cbbf7990776a61d8744c07a455f5b6a7ff093c
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEb+p3k:5dbwovEVyqgoZmZXWfIdQdRaefPM+pU

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
4864	arp.exe
3996	arp.exe
2232	arp.exe
1004	arp.exe
2592	arp.exe
2248	arp.exe
4092	arp.exe
748	arp.exe
3584	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1420-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1420-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4972	1420	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	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	1420	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 224 wrote to memory of 1420	224	rundll32.exe	82
PID 224 wrote to memory of 1420	224	rundll32.exe	82
PID 224 wrote to memory of 1420	224	rundll32.exe	82
PID 1420 wrote to memory of 2248	1420	rundll32.exe	84
PID 1420 wrote to memory of 2248	1420	rundll32.exe	84
PID 1420 wrote to memory of 2248	1420	rundll32.exe	84
PID 1420 wrote to memory of 2592	1420	rundll32.exe	87
PID 1420 wrote to memory of 2592	1420	rundll32.exe	87
PID 1420 wrote to memory of 2592	1420	rundll32.exe	87
PID 1420 wrote to memory of 1004	1420	rundll32.exe	88
PID 1420 wrote to memory of 1004	1420	rundll32.exe	88
PID 1420 wrote to memory of 1004	1420	rundll32.exe	88
PID 1420 wrote to memory of 3584	1420	rundll32.exe	89
PID 1420 wrote to memory of 3584	1420	rundll32.exe	89
PID 1420 wrote to memory of 3584	1420	rundll32.exe	89
PID 1420 wrote to memory of 4092	1420	rundll32.exe	90
PID 1420 wrote to memory of 4092	1420	rundll32.exe	90
PID 1420 wrote to memory of 4092	1420	rundll32.exe	90
PID 1420 wrote to memory of 748	1420	rundll32.exe	91
PID 1420 wrote to memory of 748	1420	rundll32.exe	91
PID 1420 wrote to memory of 748	1420	rundll32.exe	91
PID 1420 wrote to memory of 2232	1420	rundll32.exe	92
PID 1420 wrote to memory of 2232	1420	rundll32.exe	92
PID 1420 wrote to memory of 2232	1420	rundll32.exe	92
PID 1420 wrote to memory of 3996	1420	rundll32.exe	93
PID 1420 wrote to memory of 3996	1420	rundll32.exe	93
PID 1420 wrote to memory of 3996	1420	rundll32.exe	93
PID 1420 wrote to memory of 4864	1420	rundll32.exe	94
PID 1420 wrote to memory of 4864	1420	rundll32.exe	94
PID 1420 wrote to memory of 4864	1420	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\fed765bcb3c5b010e90ee520664fdd945e719e99c2bb7e17dc190cdbf530f2fb.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1420
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2248
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 60-de-88-a0-37-ca
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2592
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 a2-13-84-60-c2-38
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1004
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.170 85-2a-9f-0f-1c-ac
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3584
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 f5-79-69-d1-01-6d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4092
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 67-17-e1-6c-7b-ea
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:748
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 03-a7-08-93-f5-91
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2232
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 b6-ce-90-87-dc-bb
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3996
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 fd-1d-b3-f1-2b-06
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4864
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 704
    3⤵
    - Program crash
    PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1420 -ip 1420
1⤵
PID:1132

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/1420-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1420-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download