4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40

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
19-12-2024 00:01

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General

Target

4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40N.dll
Size

80KB
MD5

564eab79d7dfe92e81658a0c724e89a0
SHA1

3cc7b91a4d8f9fd95890a786a00f516fc466c976
SHA256

4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40
SHA512

3aca9ee594dfc105355ccb778017358e33ad3d23b58fac7e4e1761b79b3157ff6d0985a21632e77f6f68bb8f859db9f352672fa2b2d3ffc14cab327139fc0cbf
SSDEEP

1536:uIcs6msUvrh8ErMInQ+4cw9NVWfjaRkE4LEl8B60Y2lfxxHZPE9:dcs6v68Erj3w9zWf+SEFuk0/pfPu

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
3532	arp.exe
3496	arp.exe
116	arp.exe
232	arp.exe
112	arp.exe
3080	arp.exe
3852	arp.exe
3100	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/4908-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4908-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3484	4908	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4908	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1948 wrote to memory of 4908	1948	rundll32.exe	83
PID 1948 wrote to memory of 4908	1948	rundll32.exe	83
PID 1948 wrote to memory of 4908	1948	rundll32.exe	83
PID 4908 wrote to memory of 3100	4908	rundll32.exe	85
PID 4908 wrote to memory of 3100	4908	rundll32.exe	85
PID 4908 wrote to memory of 3100	4908	rundll32.exe	85
PID 4908 wrote to memory of 3852	4908	rundll32.exe	88
PID 4908 wrote to memory of 3852	4908	rundll32.exe	88
PID 4908 wrote to memory of 3852	4908	rundll32.exe	88
PID 4908 wrote to memory of 3532	4908	rundll32.exe	89
PID 4908 wrote to memory of 3532	4908	rundll32.exe	89
PID 4908 wrote to memory of 3532	4908	rundll32.exe	89
PID 4908 wrote to memory of 3080	4908	rundll32.exe	90
PID 4908 wrote to memory of 3080	4908	rundll32.exe	90
PID 4908 wrote to memory of 3080	4908	rundll32.exe	90
PID 4908 wrote to memory of 112	4908	rundll32.exe	91
PID 4908 wrote to memory of 112	4908	rundll32.exe	91
PID 4908 wrote to memory of 112	4908	rundll32.exe	91
PID 4908 wrote to memory of 116	4908	rundll32.exe	92
PID 4908 wrote to memory of 116	4908	rundll32.exe	92
PID 4908 wrote to memory of 116	4908	rundll32.exe	92
PID 4908 wrote to memory of 232	4908	rundll32.exe	93
PID 4908 wrote to memory of 232	4908	rundll32.exe	93
PID 4908 wrote to memory of 232	4908	rundll32.exe	93
PID 4908 wrote to memory of 2348	4908	rundll32.exe	94
PID 4908 wrote to memory of 2348	4908	rundll32.exe	94
PID 4908 wrote to memory of 2348	4908	rundll32.exe	94
PID 4908 wrote to memory of 3496	4908	rundll32.exe	95
PID 4908 wrote to memory of 3496	4908	rundll32.exe	95
PID 4908 wrote to memory of 3496	4908	rundll32.exe	95

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1948
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\4268a0cfa5cc6527ae14266dfb4caa774b7de727be770371290025588e880f40N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4908
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3100
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 a8-b2-b6-57-42-2b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3852
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 d7-5e-d7-d5-bc-73
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3532
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.21 6c-66-92-1b-12-2e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3080
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 78-9a-96-9e-a9-46
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:112
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 f7-ea-b2-b7-f5-0d
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:116
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 df-8e-a8-8c-56-22
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:232
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 7f-bb-bc-5a-80-d0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2348
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 59-da-7d-60-ff-5a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3496
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4908 -s 712
    3⤵
    - Program crash
    PID:3484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4908 -ip 4908
1⤵
PID:4872

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/4908-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/4908-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download