19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3f

Analysis

max time kernel
96s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
01-01-2025 22:31

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General

Target

19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3fN.dll
Size

80KB
MD5

c0f115ec606e1a80603d17e7562749c0
SHA1

f0b2daa2fe3ae494b8fba9d560b7d72217df5800
SHA256

19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3f
SHA512

b19752a68389b01eca9370c294df4e6a2cb79953268c1c51fbe61cfb5cf43a30af9b4267b8bc14619d05323de7ecb0ab67aee37bf9a47ce1f966a6daaa5dab93
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPEmywZqJ:dcs6v68Erj3w9zWf+SEFuk0/pfPPywZg

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
3432	arp.exe
3760	arp.exe
4660	arp.exe
3548	arp.exe
4420	arp.exe
3520	arp.exe
4672	arp.exe
60	arp.exe
2348	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2124-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/2124-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2892	2124	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	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2124	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1032 wrote to memory of 2124	1032	rundll32.exe	82
PID 1032 wrote to memory of 2124	1032	rundll32.exe	82
PID 1032 wrote to memory of 2124	1032	rundll32.exe	82
PID 2124 wrote to memory of 4672	2124	rundll32.exe	84
PID 2124 wrote to memory of 4672	2124	rundll32.exe	84
PID 2124 wrote to memory of 4672	2124	rundll32.exe	84
PID 2124 wrote to memory of 60	2124	rundll32.exe	87
PID 2124 wrote to memory of 60	2124	rundll32.exe	87
PID 2124 wrote to memory of 60	2124	rundll32.exe	87
PID 2124 wrote to memory of 3520	2124	rundll32.exe	88
PID 2124 wrote to memory of 3520	2124	rundll32.exe	88
PID 2124 wrote to memory of 3520	2124	rundll32.exe	88
PID 2124 wrote to memory of 4420	2124	rundll32.exe	89
PID 2124 wrote to memory of 4420	2124	rundll32.exe	89
PID 2124 wrote to memory of 4420	2124	rundll32.exe	89
PID 2124 wrote to memory of 3548	2124	rundll32.exe	90
PID 2124 wrote to memory of 3548	2124	rundll32.exe	90
PID 2124 wrote to memory of 3548	2124	rundll32.exe	90
PID 2124 wrote to memory of 4660	2124	rundll32.exe	91
PID 2124 wrote to memory of 4660	2124	rundll32.exe	91
PID 2124 wrote to memory of 4660	2124	rundll32.exe	91
PID 2124 wrote to memory of 3760	2124	rundll32.exe	92
PID 2124 wrote to memory of 3760	2124	rundll32.exe	92
PID 2124 wrote to memory of 3760	2124	rundll32.exe	92
PID 2124 wrote to memory of 2348	2124	rundll32.exe	93
PID 2124 wrote to memory of 2348	2124	rundll32.exe	93
PID 2124 wrote to memory of 2348	2124	rundll32.exe	93
PID 2124 wrote to memory of 3432	2124	rundll32.exe	94
PID 2124 wrote to memory of 3432	2124	rundll32.exe	94
PID 2124 wrote to memory of 3432	2124	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3fN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1032
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\19d5803ab5a3af8e0246f74268e3ad2fc7dabdb2b48b91fc2aba4d1ecf2e2a3fN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2124
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4672
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 c2-f9-25-2e-c9-f1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:60
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c0-3e-66-5b-f5-4a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3520
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.180 b7-41-61-db-f3-49
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4420
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 22-25-d6-29-3c-c4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3548
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 21-88-75-a2-48-9d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4660
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 58-5e-15-f1-8c-8e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3760
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 11-c2-48-5d-3b-18
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2348
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 d5-3d-c1-d1-6b-a1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3432
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2124 -s 692
    3⤵
    - Program crash
    PID:2892

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2124 -ip 2124
1⤵
PID:3332

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/2124-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2124-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download