50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e

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
18/12/2024, 23:11

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General

Target

50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e.dll
Size

80KB
MD5

68d42c8bbea29e3e19cc366680150d4f
SHA1

571d3ca158e5a4b5464af2e8b9e8b0e982bc35bc
SHA256

50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e
SHA512

92ca8fa53f7068a1340e018151e4dd4db1a662b5dbd20d39279886d1f28ee5989860644938baa6ffa19b16b6939be8ac2f3b0c9bcf56d4acfa36a65a43e539ba
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEqQWMInY:5dbwovEVyqgoZmZXWfIdQdRaefPJnY

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
3432	arp.exe
3104	arp.exe
1996	arp.exe
3676	arp.exe
4268	arp.exe
2220	arp.exe
4844	arp.exe
5008	arp.exe
768	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/5024-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/5024-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3280	5024	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	5024	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4244 wrote to memory of 5024	4244	rundll32.exe	83
PID 4244 wrote to memory of 5024	4244	rundll32.exe	83
PID 4244 wrote to memory of 5024	4244	rundll32.exe	83
PID 5024 wrote to memory of 5008	5024	rundll32.exe	85
PID 5024 wrote to memory of 5008	5024	rundll32.exe	85
PID 5024 wrote to memory of 5008	5024	rundll32.exe	85
PID 5024 wrote to memory of 3676	5024	rundll32.exe	88
PID 5024 wrote to memory of 3676	5024	rundll32.exe	88
PID 5024 wrote to memory of 3676	5024	rundll32.exe	88
PID 5024 wrote to memory of 1996	5024	rundll32.exe	89
PID 5024 wrote to memory of 1996	5024	rundll32.exe	89
PID 5024 wrote to memory of 1996	5024	rundll32.exe	89
PID 5024 wrote to memory of 3104	5024	rundll32.exe	90
PID 5024 wrote to memory of 3104	5024	rundll32.exe	90
PID 5024 wrote to memory of 3104	5024	rundll32.exe	90
PID 5024 wrote to memory of 4844	5024	rundll32.exe	91
PID 5024 wrote to memory of 4844	5024	rundll32.exe	91
PID 5024 wrote to memory of 4844	5024	rundll32.exe	91
PID 5024 wrote to memory of 2220	5024	rundll32.exe	92
PID 5024 wrote to memory of 2220	5024	rundll32.exe	92
PID 5024 wrote to memory of 2220	5024	rundll32.exe	92
PID 5024 wrote to memory of 3432	5024	rundll32.exe	93
PID 5024 wrote to memory of 3432	5024	rundll32.exe	93
PID 5024 wrote to memory of 3432	5024	rundll32.exe	93
PID 5024 wrote to memory of 768	5024	rundll32.exe	94
PID 5024 wrote to memory of 768	5024	rundll32.exe	94
PID 5024 wrote to memory of 768	5024	rundll32.exe	94
PID 5024 wrote to memory of 4268	5024	rundll32.exe	95
PID 5024 wrote to memory of 4268	5024	rundll32.exe	95
PID 5024 wrote to memory of 4268	5024	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4244
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\50e70a1e97573cddb26eb4d2b9ec2ad501381d36e1884130e7603f103ec2516e.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:5024
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:5008
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 34-28-3d-4e-2d-e0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3676
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 cf-2f-5c-0b-fe-d8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1996
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.184 11-0b-31-6f-a0-4f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3104
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 1c-ea-7b-13-5f-73
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4844
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 99-ad-ae-ad-45-b7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2220
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 f3-f6-c5-4b-2b-50
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3432
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 b2-e7-7e-6a-e1-f9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:768
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 69-49-cf-fb-58-6c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4268
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5024 -s 704
    3⤵
    - Program crash
    PID:3280

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5024 -ip 5024
1⤵
PID:2008

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/5024-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/5024-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download