8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031b

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07-01-2025 03:28

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General

Target

8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031bN.dll
Size

80KB
MD5

c7f3377444bf889f1e0ed4943f0a6650
SHA1

cc528788fac8a5f1db4635abd21bce83c16ef786
SHA256

8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031b
SHA512

feb5062fb4a28d69ac109fd9c01a53c648e2e7a8fccf967ef18806faf13d26a69448555eba7f9ac430c189e99bed845fc3404d3882b7e61d56292a6ddd87b883
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEd:5dbwovEVyqgoZmZXWfIdQdRaefPC

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
2708	arp.exe
1456	arp.exe
1884	arp.exe
840	arp.exe
2752	arp.exe
1336	arp.exe
4764	arp.exe
4976	arp.exe
628	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2368-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/2368-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
680	2368	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	2368	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3484 wrote to memory of 2368	3484	rundll32.exe	82
PID 3484 wrote to memory of 2368	3484	rundll32.exe	82
PID 3484 wrote to memory of 2368	3484	rundll32.exe	82
PID 2368 wrote to memory of 2708	2368	rundll32.exe	84
PID 2368 wrote to memory of 2708	2368	rundll32.exe	84
PID 2368 wrote to memory of 2708	2368	rundll32.exe	84
PID 2368 wrote to memory of 4764	2368	rundll32.exe	87
PID 2368 wrote to memory of 4764	2368	rundll32.exe	87
PID 2368 wrote to memory of 4764	2368	rundll32.exe	87
PID 2368 wrote to memory of 628	2368	rundll32.exe	88
PID 2368 wrote to memory of 628	2368	rundll32.exe	88
PID 2368 wrote to memory of 628	2368	rundll32.exe	88
PID 2368 wrote to memory of 4976	2368	rundll32.exe	89
PID 2368 wrote to memory of 4976	2368	rundll32.exe	89
PID 2368 wrote to memory of 4976	2368	rundll32.exe	89
PID 2368 wrote to memory of 1336	2368	rundll32.exe	90
PID 2368 wrote to memory of 1336	2368	rundll32.exe	90
PID 2368 wrote to memory of 1336	2368	rundll32.exe	90
PID 2368 wrote to memory of 2752	2368	rundll32.exe	91
PID 2368 wrote to memory of 2752	2368	rundll32.exe	91
PID 2368 wrote to memory of 2752	2368	rundll32.exe	91
PID 2368 wrote to memory of 840	2368	rundll32.exe	92
PID 2368 wrote to memory of 840	2368	rundll32.exe	92
PID 2368 wrote to memory of 840	2368	rundll32.exe	92
PID 2368 wrote to memory of 1456	2368	rundll32.exe	93
PID 2368 wrote to memory of 1456	2368	rundll32.exe	93
PID 2368 wrote to memory of 1456	2368	rundll32.exe	93
PID 2368 wrote to memory of 1884	2368	rundll32.exe	94
PID 2368 wrote to memory of 1884	2368	rundll32.exe	94
PID 2368 wrote to memory of 1884	2368	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031bN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3484
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8bdd484400f707cb401b4d354039dc08b4d5603f75799a1374100c1bfb7d031bN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2368
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2708
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 55-b3-b0-69-d3-f3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4764
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 d0-5f-ac-55-97-e1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:628
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 b4-64-0c-2e-06-d0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4976
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 a0-cc-7e-7d-41-2b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1336
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 9d-ee-c8-61-3a-da
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 0b-4a-50-87-39-9a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:840
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 4e-cd-e0-6a-46-ad
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1456
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 42-83-e4-17-17-61
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1884
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2368 -s 700
    3⤵
    - Program crash
    PID:680

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 2368 -ip 2368
1⤵
PID:2276

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/2368-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2368-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download