28ff07f676b7e287651544c4c17331fcefe2062552645d99c09be9cb302d005d

Analysis

max time kernel
16s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 06:31

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General

Target

28ff07f676b7e287651544c4c17331fcefe2062552645d99c09be9cb302d005dN.dll
Size

80KB
MD5

c60eaa6944f9e019616085495411a120
SHA1

51fb52f05415f0d16858e474aba27b9aa1446fcb
SHA256

28ff07f676b7e287651544c4c17331fcefe2062552645d99c09be9cb302d005d
SHA512

b5af3273e4531dff775297cec14f0408b7f564ba809d8804e646cc666bb2ce4a04d3e0e0a4344c77368915052bc107b48c69a211b9ee950c083257b17ad61b99
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEcGL0FLqUI7HD:5dbwovEVyqgoZmZXWfIdQdRaefPDEZHD

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
2340	arp.exe
2852	arp.exe
2204	arp.exe
2480	arp.exe
2760	arp.exe
2748	arp.exe
2184	arp.exe
2348	arp.exe
1968	arp.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/3020-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3020-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3020-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/3020-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2104	3020	WerFault.exe	30

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	rundll32.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	3020	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 2696 wrote to memory of 3020	2696	rundll32.exe	30
PID 3020 wrote to memory of 2204	3020	rundll32.exe	32
PID 3020 wrote to memory of 2204	3020	rundll32.exe	32
PID 3020 wrote to memory of 2204	3020	rundll32.exe	32
PID 3020 wrote to memory of 2204	3020	rundll32.exe	32
PID 3020 wrote to memory of 2104	3020	rundll32.exe	31
PID 3020 wrote to memory of 2104	3020	rundll32.exe	31
PID 3020 wrote to memory of 2104	3020	rundll32.exe	31
PID 3020 wrote to memory of 2104	3020	rundll32.exe	31
PID 3020 wrote to memory of 2184	3020	rundll32.exe	34
PID 3020 wrote to memory of 2184	3020	rundll32.exe	34
PID 3020 wrote to memory of 2184	3020	rundll32.exe	34
PID 3020 wrote to memory of 2184	3020	rundll32.exe	34
PID 3020 wrote to memory of 2480	3020	rundll32.exe	35
PID 3020 wrote to memory of 2480	3020	rundll32.exe	35
PID 3020 wrote to memory of 2480	3020	rundll32.exe	35
PID 3020 wrote to memory of 2480	3020	rundll32.exe	35
PID 3020 wrote to memory of 2348	3020	rundll32.exe	36
PID 3020 wrote to memory of 2348	3020	rundll32.exe	36
PID 3020 wrote to memory of 2348	3020	rundll32.exe	36
PID 3020 wrote to memory of 2348	3020	rundll32.exe	36
PID 3020 wrote to memory of 2760	3020	rundll32.exe	37
PID 3020 wrote to memory of 2760	3020	rundll32.exe	37
PID 3020 wrote to memory of 2760	3020	rundll32.exe	37
PID 3020 wrote to memory of 2760	3020	rundll32.exe	37
PID 3020 wrote to memory of 2748	3020	rundll32.exe	38
PID 3020 wrote to memory of 2748	3020	rundll32.exe	38
PID 3020 wrote to memory of 2748	3020	rundll32.exe	38
PID 3020 wrote to memory of 2748	3020	rundll32.exe	38
PID 3020 wrote to memory of 1968	3020	rundll32.exe	39
PID 3020 wrote to memory of 1968	3020	rundll32.exe	39
PID 3020 wrote to memory of 1968	3020	rundll32.exe	39
PID 3020 wrote to memory of 1968	3020	rundll32.exe	39
PID 3020 wrote to memory of 2340	3020	rundll32.exe	40
PID 3020 wrote to memory of 2340	3020	rundll32.exe	40
PID 3020 wrote to memory of 2340	3020	rundll32.exe	40
PID 3020 wrote to memory of 2340	3020	rundll32.exe	40
PID 3020 wrote to memory of 2852	3020	rundll32.exe	41
PID 3020 wrote to memory of 2852	3020	rundll32.exe	41
PID 3020 wrote to memory of 2852	3020	rundll32.exe	41
PID 3020 wrote to memory of 2852	3020	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\28ff07f676b7e287651544c4c17331fcefe2062552645d99c09be9cb302d005dN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2696
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\28ff07f676b7e287651544c4c17331fcefe2062552645d99c09be9cb302d005dN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:3020
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3020 -s 308
    3⤵
    - Program crash
    PID:2104
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2204
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 48-32-64-eb-8d-c5
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2184
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 eb-34-22-2f-e3-f2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2480
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.208 d6-b5-2f-4e-83-f3
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2348
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 de-4e-28-cc-ac-c6
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2760
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 31-95-33-47-f1-15
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2748
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 32-52-bf-5f-c0-85
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1968
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 12-7a-08-b5-de-b8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2340
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 cf-57-32-b6-00-f4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2852

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/3020-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3020-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3020-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/3020-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download