bd8c6b416be85eb15fe41400211ab6884f2a9481e270f3610c2b4d058eadfe68

Analysis

max time kernel
96s
max time network
97s
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 05:59

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General

Target

bd8c6b416be85eb15fe41400211ab6884f2a9481e270f3610c2b4d058eadfe68.dll
Size

80KB
MD5

fbf77a7949c96770cf99b80e186c20ed
SHA1

272a23a6f9c0f2475a03a3f49fb4f38667d7f9ef
SHA256

bd8c6b416be85eb15fe41400211ab6884f2a9481e270f3610c2b4d058eadfe68
SHA512

5424ac6cc5ed545231da5f72f476595d287de6f3b17429e1ed31fd3a6c651088ec6ba1504dab0a921d2a37c6b251501a016af87ed806e6b2c3639d4fc4c2cd11
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEhR0KXW+OY/j:5dbwovEVyqgoZmZXWfIdQdRaefPCRhVv

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

Network Service Discovery 1 TTPs 9 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
1628	arp.exe
3464	arp.exe
2888	arp.exe
4132	arp.exe
2316	arp.exe
1980	arp.exe
396	arp.exe
2192	arp.exe
4528	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/3640-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/3640-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
220	3640	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	3640	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 3500 wrote to memory of 3640	3500	rundll32.exe	84
PID 3500 wrote to memory of 3640	3500	rundll32.exe	84
PID 3500 wrote to memory of 3640	3500	rundll32.exe	84
PID 3640 wrote to memory of 4132	3640	rundll32.exe	86
PID 3640 wrote to memory of 4132	3640	rundll32.exe	86
PID 3640 wrote to memory of 4132	3640	rundll32.exe	86
PID 3640 wrote to memory of 396	3640	rundll32.exe	89
PID 3640 wrote to memory of 396	3640	rundll32.exe	89
PID 3640 wrote to memory of 396	3640	rundll32.exe	89
PID 3640 wrote to memory of 2888	3640	rundll32.exe	90
PID 3640 wrote to memory of 2888	3640	rundll32.exe	90
PID 3640 wrote to memory of 2888	3640	rundll32.exe	90
PID 3640 wrote to memory of 3464	3640	rundll32.exe	91
PID 3640 wrote to memory of 3464	3640	rundll32.exe	91
PID 3640 wrote to memory of 3464	3640	rundll32.exe	91
PID 3640 wrote to memory of 1980	3640	rundll32.exe	92
PID 3640 wrote to memory of 1980	3640	rundll32.exe	92
PID 3640 wrote to memory of 1980	3640	rundll32.exe	92
PID 3640 wrote to memory of 4528	3640	rundll32.exe	93
PID 3640 wrote to memory of 4528	3640	rundll32.exe	93
PID 3640 wrote to memory of 4528	3640	rundll32.exe	93
PID 3640 wrote to memory of 1628	3640	rundll32.exe	94
PID 3640 wrote to memory of 1628	3640	rundll32.exe	94
PID 3640 wrote to memory of 1628	3640	rundll32.exe	94
PID 3640 wrote to memory of 2316	3640	rundll32.exe	95
PID 3640 wrote to memory of 2316	3640	rundll32.exe	95
PID 3640 wrote to memory of 2316	3640	rundll32.exe	95
PID 3640 wrote to memory of 2192	3640	rundll32.exe	96
PID 3640 wrote to memory of 2192	3640	rundll32.exe	96
PID 3640 wrote to memory of 2192	3640	rundll32.exe	96

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8c6b416be85eb15fe41400211ab6884f2a9481e270f3610c2b4d058eadfe68.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3500
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\bd8c6b416be85eb15fe41400211ab6884f2a9481e270f3610c2b4d058eadfe68.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3640
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4132
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 03-8f-fa-5e-5f-71
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:396
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c6-ee-30-57-22-c2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2888
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 e6-bb-67-d0-72-35
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3464
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 a4-cd-42-f1-b1-a0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1980
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 53-a4-f1-37-17-ed
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4528
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 0e-5a-0a-00-a7-9e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1628
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 3c-4a-d3-4d-76-33
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2316
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 a1-88-f0-05-66-17
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2192
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3640 -s 716
    3⤵
    - Program crash
    PID:220

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 3640 -ip 3640
1⤵
PID:3232

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/3640-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3640-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download