6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-12-2024 01:11

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General

Target

6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240N.dll
Size

80KB
MD5

c385bf8dec94d6d8bac8953d495d2a80
SHA1

ed7d1f150d7136d776dcadf85a75872284bcf0e3
SHA256

6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240
SHA512

32f9002c0b38f1340a37078d4cb58813c0cd922f504ad0894baff1b6412209c27023f78bc2fb6697479e34d91e72e4cde7143c37ccdebfccfad10526bce34297
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE6GIo:5dbwovEVyqgoZmZXWfIdQdRaefPsIo

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
4780	arp.exe
4784	arp.exe
824	arp.exe
1912	arp.exe
3904	arp.exe
1176	arp.exe
1524	arp.exe
4512	arp.exe
4176	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4352-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/4352-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3032	4352	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4352	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 1180 wrote to memory of 4352	1180	rundll32.exe	83
PID 1180 wrote to memory of 4352	1180	rundll32.exe	83
PID 1180 wrote to memory of 4352	1180	rundll32.exe	83
PID 4352 wrote to memory of 1176	4352	rundll32.exe	85
PID 4352 wrote to memory of 1176	4352	rundll32.exe	85
PID 4352 wrote to memory of 1176	4352	rundll32.exe	85
PID 4352 wrote to memory of 4780	4352	rundll32.exe	88
PID 4352 wrote to memory of 4780	4352	rundll32.exe	88
PID 4352 wrote to memory of 4780	4352	rundll32.exe	88
PID 4352 wrote to memory of 4784	4352	rundll32.exe	89
PID 4352 wrote to memory of 4784	4352	rundll32.exe	89
PID 4352 wrote to memory of 4784	4352	rundll32.exe	89
PID 4352 wrote to memory of 3904	4352	rundll32.exe	90
PID 4352 wrote to memory of 3904	4352	rundll32.exe	90
PID 4352 wrote to memory of 3904	4352	rundll32.exe	90
PID 4352 wrote to memory of 824	4352	rundll32.exe	91
PID 4352 wrote to memory of 824	4352	rundll32.exe	91
PID 4352 wrote to memory of 824	4352	rundll32.exe	91
PID 4352 wrote to memory of 1524	4352	rundll32.exe	92
PID 4352 wrote to memory of 1524	4352	rundll32.exe	92
PID 4352 wrote to memory of 1524	4352	rundll32.exe	92
PID 4352 wrote to memory of 4176	4352	rundll32.exe	93
PID 4352 wrote to memory of 4176	4352	rundll32.exe	93
PID 4352 wrote to memory of 4176	4352	rundll32.exe	93
PID 4352 wrote to memory of 4512	4352	rundll32.exe	94
PID 4352 wrote to memory of 4512	4352	rundll32.exe	94
PID 4352 wrote to memory of 4512	4352	rundll32.exe	94
PID 4352 wrote to memory of 1912	4352	rundll32.exe	97
PID 4352 wrote to memory of 1912	4352	rundll32.exe	97
PID 4352 wrote to memory of 1912	4352	rundll32.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1180
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:4352
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1176
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ff-f5-f0-76-89-53
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4780
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c1-44-30-31-3b-44
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4784
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.208 e2-2c-39-ff-1f-4b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3904
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 64-97-a6-b5-08-c2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:824
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 34-d3-b9-73-f5-53
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1524
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 1e-bf-70-78-4b-b1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4176
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 8f-b3-13-18-5a-4b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4512
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 f0-38-1d-45-53-72
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1912
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 708
    3⤵
    - Program crash
    PID:3032

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4352 -ip 4352
1⤵
PID:2052

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/4352-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/4352-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download