6af6a0a413641069fc7338e1683a1b73b4400459efd8f6c681f57590ee0a250b

Analysis

max time kernel
93s
max time network
131s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/01/2025, 03:44

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General

Target

6af6a0a413641069fc7338e1683a1b73b4400459efd8f6c681f57590ee0a250b.dll
Size

81KB
MD5

6bb30576e16ec5c1d1e9d47ed79843b6
SHA1

6ffa3c6d61ee1b2410327621ceb35910ce55c8a2
SHA256

6af6a0a413641069fc7338e1683a1b73b4400459efd8f6c681f57590ee0a250b
SHA512

aa4bd5cb6d465c05443d84c1ff589d09c3a8a77f72db5de35406f59b16549ae711846ac1c5f410fa891601b3626d8dfb4ef56630a28c2281d2e66c962e4c3c40
SSDEEP

1536:T2RW5De37NXJNnuMJldOdZ+PgE056PRhIZj1C0McIMMjBwySXX:CRW5DUuIdP/s6ZhIZjMRcsjKySn

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
756	arp.exe
4764	arp.exe
3084	arp.exe
2688	arp.exe
4140	arp.exe
1772	arp.exe
4620	arp.exe
4600	arp.exe
1996	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/4352-0-0x0000000010000000-0x0000000010032000-memory.dmp	upx
behavioral2/memory/4352-1-0x0000000010000000-0x0000000010032000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3436	4352	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	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

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 3656 wrote to memory of 4352	3656	rundll32.exe	82
PID 3656 wrote to memory of 4352	3656	rundll32.exe	82
PID 3656 wrote to memory of 4352	3656	rundll32.exe	82
PID 4352 wrote to memory of 1996	4352	rundll32.exe	83
PID 4352 wrote to memory of 1996	4352	rundll32.exe	83
PID 4352 wrote to memory of 1996	4352	rundll32.exe	83
PID 4352 wrote to memory of 4600	4352	rundll32.exe	87
PID 4352 wrote to memory of 4600	4352	rundll32.exe	87
PID 4352 wrote to memory of 4600	4352	rundll32.exe	87
PID 4352 wrote to memory of 3084	4352	rundll32.exe	88
PID 4352 wrote to memory of 3084	4352	rundll32.exe	88
PID 4352 wrote to memory of 3084	4352	rundll32.exe	88
PID 4352 wrote to memory of 4620	4352	rundll32.exe	89
PID 4352 wrote to memory of 4620	4352	rundll32.exe	89
PID 4352 wrote to memory of 4620	4352	rundll32.exe	89
PID 4352 wrote to memory of 4764	4352	rundll32.exe	90
PID 4352 wrote to memory of 4764	4352	rundll32.exe	90
PID 4352 wrote to memory of 4764	4352	rundll32.exe	90
PID 4352 wrote to memory of 1772	4352	rundll32.exe	91
PID 4352 wrote to memory of 1772	4352	rundll32.exe	91
PID 4352 wrote to memory of 1772	4352	rundll32.exe	91
PID 4352 wrote to memory of 756	4352	rundll32.exe	92
PID 4352 wrote to memory of 756	4352	rundll32.exe	92
PID 4352 wrote to memory of 756	4352	rundll32.exe	92
PID 4352 wrote to memory of 2688	4352	rundll32.exe	93
PID 4352 wrote to memory of 2688	4352	rundll32.exe	93
PID 4352 wrote to memory of 2688	4352	rundll32.exe	93
PID 4352 wrote to memory of 4140	4352	rundll32.exe	94
PID 4352 wrote to memory of 4140	4352	rundll32.exe	94
PID 4352 wrote to memory of 4140	4352	rundll32.exe	94

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6af6a0a413641069fc7338e1683a1b73b4400459efd8f6c681f57590ee0a250b.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3656
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6af6a0a413641069fc7338e1683a1b73b4400459efd8f6c681f57590ee0a250b.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:1996
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ce-21-ab-c1-7a-f7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4600
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 e9-bf-bb-4b-5f-84
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3084
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.69.123 a4-44-1f-2f-72-3e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4620
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 2a-e8-3c-ea-6e-0b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4764
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 49-f0-21-db-4d-03
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1772
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 ad-73-75-1f-76-dd
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:756
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 fc-22-02-8e-99-d2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2688
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 4d-50-8f-43-ff-af
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:4140
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4352 -s 728
    3⤵
    - Program crash
    PID:3436

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4352 -ip 4352
1⤵
PID:4656

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/4352-0-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download
memory/4352-1-0x0000000010000000-0x0000000010032000-memory.dmp

Filesize
200KB

Download