a113dfcfce2df789c91e10225cb91cf422f5824d6865bf1cd071a700aaab3569

Analysis

max time kernel
93s
max time network
143s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
12-12-2024 01:05

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General

Target

a113dfcfce2df789c91e10225cb91cf422f5824d6865bf1cd071a700aaab3569.dll
Size

80KB
MD5

1a8366043752c934cfbaf9d1702ed78e
SHA1

753c193f000686526aa3fa107b5ceab5ec948516
SHA256

a113dfcfce2df789c91e10225cb91cf422f5824d6865bf1cd071a700aaab3569
SHA512

d888a1604b0820302d5d064e35809b9fba57e8848065d0255971dca255256900c651b236531040ca911d30ba70e218c987655b4229b2af5e43b5c93b0cabc034
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEtl/G:5dbwovEVyqgoZmZXWfIdQdRaefPB

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
832	arp.exe
3160	arp.exe
3436	arp.exe
4740	arp.exe
3704	arp.exe
1788	arp.exe
1080	arp.exe
2912	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/408-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1048	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	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	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 2912	408	rundll32.exe	85
PID 408 wrote to memory of 2912	408	rundll32.exe	85
PID 408 wrote to memory of 2912	408	rundll32.exe	85
PID 408 wrote to memory of 4740	408	rundll32.exe	88
PID 408 wrote to memory of 4740	408	rundll32.exe	88
PID 408 wrote to memory of 4740	408	rundll32.exe	88
PID 408 wrote to memory of 1080	408	rundll32.exe	89
PID 408 wrote to memory of 1080	408	rundll32.exe	89
PID 408 wrote to memory of 1080	408	rundll32.exe	89
PID 408 wrote to memory of 1788	408	rundll32.exe	90
PID 408 wrote to memory of 1788	408	rundll32.exe	90
PID 408 wrote to memory of 1788	408	rundll32.exe	90
PID 408 wrote to memory of 3160	408	rundll32.exe	91
PID 408 wrote to memory of 3160	408	rundll32.exe	91
PID 408 wrote to memory of 3160	408	rundll32.exe	91
PID 408 wrote to memory of 832	408	rundll32.exe	92
PID 408 wrote to memory of 832	408	rundll32.exe	92
PID 408 wrote to memory of 832	408	rundll32.exe	92
PID 408 wrote to memory of 3704	408	rundll32.exe	93
PID 408 wrote to memory of 3704	408	rundll32.exe	93
PID 408 wrote to memory of 3704	408	rundll32.exe	93
PID 408 wrote to memory of 804	408	rundll32.exe	94
PID 408 wrote to memory of 804	408	rundll32.exe	94
PID 408 wrote to memory of 804	408	rundll32.exe	94
PID 408 wrote to memory of 3436	408	rundll32.exe	95
PID 408 wrote to memory of 3436	408	rundll32.exe	95
PID 408 wrote to memory of 3436	408	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a113dfcfce2df789c91e10225cb91cf422f5824d6865bf1cd071a700aaab3569.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3692
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\a113dfcfce2df789c91e10225cb91cf422f5824d6865bf1cd071a700aaab3569.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:2912
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 71-15-c3-5b-24-2b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4740
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 2b-a6-bc-5a-e9-96
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1080
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.184 ca-e3-ef-58-c4-81
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1788
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 e6-16-ab-a7-05-02
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3160
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 3a-57-39-f6-4c-f1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:832
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 a0-11-92-95-9c-0a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3704
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 c3-41-15-b4-1f-81
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:804
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 0b-56-18-bb-89-61
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3436
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 408 -s 700
    3⤵
    - Program crash
    PID:1048

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 408 -ip 408
1⤵
PID:3364

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/408-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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