ff9219cf3805f3c779117abcfa19e1a85b71a7e30bf363c7831b0dd11bc59efd

Analysis

max time kernel
93s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
19-11-2024 09:55

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General

Target

ff9219cf3805f3c779117abcfa19e1a85b71a7e30bf363c7831b0dd11bc59efdN.dll
Size

80KB
MD5

78b72a6243e4e9985929f6dab26b7770
SHA1

8f0eb2269bd0b9fe74af559279e5064b37bf647d
SHA256

ff9219cf3805f3c779117abcfa19e1a85b71a7e30bf363c7831b0dd11bc59efd
SHA512

47077047883fd033324ddd0be07dae8c2b8d9e5f04895e73ef7b1b80a29808f6b5f2a2a0517530b65f07f5bc47cb25eb945ff8baf77ceff07ef191237c2c92d4
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEgAaC/1:5dbwovEVyqgoZmZXWfIdQdRaefPCfd

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
3048	arp.exe
3812	arp.exe
2192	arp.exe
404	arp.exe
3752	arp.exe
3880	arp.exe
3440	arp.exe
2972	arp.exe
1772	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/1708-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1708-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1172	1708	WerFault.exe	85

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	1708	rundll32.exe

Suspicious use of WriteProcessMemory 30 IoCs

description	pid	Process	procid_target
PID 4352 wrote to memory of 1708	4352	rundll32.exe	85
PID 4352 wrote to memory of 1708	4352	rundll32.exe	85
PID 4352 wrote to memory of 1708	4352	rundll32.exe	85
PID 1708 wrote to memory of 3440	1708	rundll32.exe	86
PID 1708 wrote to memory of 3440	1708	rundll32.exe	86
PID 1708 wrote to memory of 3440	1708	rundll32.exe	86
PID 1708 wrote to memory of 3880	1708	rundll32.exe	90
PID 1708 wrote to memory of 3880	1708	rundll32.exe	90
PID 1708 wrote to memory of 3880	1708	rundll32.exe	90
PID 1708 wrote to memory of 1772	1708	rundll32.exe	91
PID 1708 wrote to memory of 1772	1708	rundll32.exe	91
PID 1708 wrote to memory of 1772	1708	rundll32.exe	91
PID 1708 wrote to memory of 3752	1708	rundll32.exe	92
PID 1708 wrote to memory of 3752	1708	rundll32.exe	92
PID 1708 wrote to memory of 3752	1708	rundll32.exe	92
PID 1708 wrote to memory of 404	1708	rundll32.exe	93
PID 1708 wrote to memory of 404	1708	rundll32.exe	93
PID 1708 wrote to memory of 404	1708	rundll32.exe	93
PID 1708 wrote to memory of 2192	1708	rundll32.exe	94
PID 1708 wrote to memory of 2192	1708	rundll32.exe	94
PID 1708 wrote to memory of 2192	1708	rundll32.exe	94
PID 1708 wrote to memory of 3812	1708	rundll32.exe	95
PID 1708 wrote to memory of 3812	1708	rundll32.exe	95
PID 1708 wrote to memory of 3812	1708	rundll32.exe	95
PID 1708 wrote to memory of 3048	1708	rundll32.exe	96
PID 1708 wrote to memory of 3048	1708	rundll32.exe	96
PID 1708 wrote to memory of 3048	1708	rundll32.exe	96
PID 1708 wrote to memory of 2972	1708	rundll32.exe	97
PID 1708 wrote to memory of 2972	1708	rundll32.exe	97
PID 1708 wrote to memory of 2972	1708	rundll32.exe	97

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff9219cf3805f3c779117abcfa19e1a85b71a7e30bf363c7831b0dd11bc59efdN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4352
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\ff9219cf3805f3c779117abcfa19e1a85b71a7e30bf363c7831b0dd11bc59efdN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1708
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3440
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 85-e0-19-32-6b-0b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3880
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 64-16-2e-29-88-59
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1772
- - C:\Windows\SysWOW64\arp.exe
    arp -s 37.27.61.183 7b-0f-10-ba-27-94
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 39-fb-05-95-92-b1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:404
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 08-c1-83-e1-32-48
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2192
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 ec-ea-67-a4-3d-e0
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3812
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 e3-b4-6c-ce-8f-77
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3048
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 a9-4d-ed-1c-d7-f4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2972
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 712
    3⤵
    - Program crash
    PID:1172

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1708 -ip 1708
1⤵
PID:2272

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/1708-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1708-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download