083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d

Analysis

max time kernel
118s
max time network
119s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
17-12-2024 19:39

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General

Target

083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll
Size

80KB
MD5

a83e9883bae2fe9090435584a488db46
SHA1

6b5b652751bcab9fd309bf677cffe090f4924282
SHA256

083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d
SHA512

024c5dc49ab1d4be88909ebb2ea21aa74d3c48331d34d81bd14bb357247435174d5b52d9147977a4e6b398ea7f775bf9861ffafac1d34805bb9563a2d1b99aae
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEHzhc:5dbwovEVyqgoZmZXWfIdQdRaefPR

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
2148	arp.exe
1012	arp.exe
316	arp.exe
2728	arp.exe
2512	arp.exe
2488	arp.exe
2568	arp.exe
2484	arp.exe
2744	arp.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1620-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1620-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1620-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1620-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
352	1620	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1620	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1640 wrote to memory of 1620	1640	rundll32.exe	30
PID 1620 wrote to memory of 2568	1620	rundll32.exe	32
PID 1620 wrote to memory of 2568	1620	rundll32.exe	32
PID 1620 wrote to memory of 2568	1620	rundll32.exe	32
PID 1620 wrote to memory of 2568	1620	rundll32.exe	32
PID 1620 wrote to memory of 352	1620	rundll32.exe	31
PID 1620 wrote to memory of 352	1620	rundll32.exe	31
PID 1620 wrote to memory of 352	1620	rundll32.exe	31
PID 1620 wrote to memory of 352	1620	rundll32.exe	31
PID 1620 wrote to memory of 1012	1620	rundll32.exe	34
PID 1620 wrote to memory of 1012	1620	rundll32.exe	34
PID 1620 wrote to memory of 1012	1620	rundll32.exe	34
PID 1620 wrote to memory of 1012	1620	rundll32.exe	34
PID 1620 wrote to memory of 316	1620	rundll32.exe	35
PID 1620 wrote to memory of 316	1620	rundll32.exe	35
PID 1620 wrote to memory of 316	1620	rundll32.exe	35
PID 1620 wrote to memory of 316	1620	rundll32.exe	35
PID 1620 wrote to memory of 2484	1620	rundll32.exe	36
PID 1620 wrote to memory of 2484	1620	rundll32.exe	36
PID 1620 wrote to memory of 2484	1620	rundll32.exe	36
PID 1620 wrote to memory of 2484	1620	rundll32.exe	36
PID 1620 wrote to memory of 2728	1620	rundll32.exe	37
PID 1620 wrote to memory of 2728	1620	rundll32.exe	37
PID 1620 wrote to memory of 2728	1620	rundll32.exe	37
PID 1620 wrote to memory of 2728	1620	rundll32.exe	37
PID 1620 wrote to memory of 2512	1620	rundll32.exe	38
PID 1620 wrote to memory of 2512	1620	rundll32.exe	38
PID 1620 wrote to memory of 2512	1620	rundll32.exe	38
PID 1620 wrote to memory of 2512	1620	rundll32.exe	38
PID 1620 wrote to memory of 2488	1620	rundll32.exe	39
PID 1620 wrote to memory of 2488	1620	rundll32.exe	39
PID 1620 wrote to memory of 2488	1620	rundll32.exe	39
PID 1620 wrote to memory of 2488	1620	rundll32.exe	39
PID 1620 wrote to memory of 2148	1620	rundll32.exe	40
PID 1620 wrote to memory of 2148	1620	rundll32.exe	40
PID 1620 wrote to memory of 2148	1620	rundll32.exe	40
PID 1620 wrote to memory of 2148	1620	rundll32.exe	40
PID 1620 wrote to memory of 2744	1620	rundll32.exe	41
PID 1620 wrote to memory of 2744	1620	rundll32.exe	41
PID 1620 wrote to memory of 2744	1620	rundll32.exe	41
PID 1620 wrote to memory of 2744	1620	rundll32.exe	41

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1640
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\083e219c8d469de491bf0e496b353926a2756a678d755966d34c3d3fdb51160d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1620
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1620 -s 276
    3⤵
    - Program crash
    PID:352
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2568
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 dd-d1-cf-29-a1-01
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1012
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 ec-ed-d3-d8-b6-b1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:316
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.69.123 91-17-13-97-f3-b7
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2484
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 db-ba-45-e0-b9-c4
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2728
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 c5-7b-a7-05-92-ab
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2512
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 5a-52-20-a7-86-c8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2488
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 9c-c1-04-f1-38-1b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2148
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 37-6a-b7-39-2a-0b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2744

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/1620-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1620-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1620-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1620-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download