85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19

Analysis

max time kernel
91s
max time network
92s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 04:56

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19.dll
Size

80KB
MD5

3a57ebafac8d2c224a21fa93d5503734
SHA1

21d4c03cd168da6855842cf94e163f3c72bdf30e
SHA256

85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19
SHA512

1894e09d9d302f98afc62dc503aedcb19052902c5291b73444d133f4754adb9561804caf61beac5069ed37ed8f949a432057b2c2ea727aa52ff9accf6cbd3795
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEs03u9XP:5dbwovEVyqgoZmZXWfIdQdRaefPu3yXP

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
5060	arp.exe
1156	arp.exe
1924	arp.exe
4088	arp.exe
2456	arp.exe
1836	arp.exe
4188	arp.exe
2392	arp.exe
856	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/880-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/880-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1900	880	WerFault.exe	84

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	880	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1068 wrote to memory of 880	1068	rundll32.exe	84
PID 1068 wrote to memory of 880	1068	rundll32.exe	84
PID 1068 wrote to memory of 880	1068	rundll32.exe	84
PID 880 wrote to memory of 4088	880	rundll32.exe	86
PID 880 wrote to memory of 4088	880	rundll32.exe	86
PID 880 wrote to memory of 4088	880	rundll32.exe	86
PID 880 wrote to memory of 1924	880	rundll32.exe	89
PID 880 wrote to memory of 1924	880	rundll32.exe	89
PID 880 wrote to memory of 1924	880	rundll32.exe	89
PID 880 wrote to memory of 4188	880	rundll32.exe	90
PID 880 wrote to memory of 4188	880	rundll32.exe	90
PID 880 wrote to memory of 4188	880	rundll32.exe	90
PID 880 wrote to memory of 1836	880	rundll32.exe	91
PID 880 wrote to memory of 1836	880	rundll32.exe	91
PID 880 wrote to memory of 1836	880	rundll32.exe	91
PID 880 wrote to memory of 2456	880	rundll32.exe	92
PID 880 wrote to memory of 2456	880	rundll32.exe	92
PID 880 wrote to memory of 2456	880	rundll32.exe	92
PID 880 wrote to memory of 5060	880	rundll32.exe	93
PID 880 wrote to memory of 5060	880	rundll32.exe	93
PID 880 wrote to memory of 5060	880	rundll32.exe	93
PID 880 wrote to memory of 856	880	rundll32.exe	94
PID 880 wrote to memory of 856	880	rundll32.exe	94
PID 880 wrote to memory of 856	880	rundll32.exe	94
PID 880 wrote to memory of 2392	880	rundll32.exe	95
PID 880 wrote to memory of 2392	880	rundll32.exe	95
PID 880 wrote to memory of 2392	880	rundll32.exe	95
PID 880 wrote to memory of 1156	880	rundll32.exe	96
PID 880 wrote to memory of 1156	880	rundll32.exe	96
PID 880 wrote to memory of 1156	880	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1068
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\85407e239a96a610abc93ab69575a2ab47d77a753704d28f0130d6c311772d19.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:880
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4088
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 77-aa-0b-78-51-5a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1924
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 b8-72-c2-3a-aa-05
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4188
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 d9-7f-4f-10-dd-56
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1836
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 12-4c-20-6a-23-fe
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2456
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 73-55-fd-60-aa-4c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:5060
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 fb-33-2c-7a-d7-99
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:856
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 bb-16-c3-6b-30-78
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2392
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 c1-47-56-aa-56-e3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1156
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 880 -s 700
    3⤵
    - Program crash
    PID:1900

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 880 -ip 880
1⤵
PID:2888

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

Replay Monitor

Loading Replay Monitor...

Downloads

memory/880-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/880-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download