5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305

Analysis

max time kernel
117s
max time network
117s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
16-12-2024 22:52

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General

Target

5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305.dll
Size

80KB
MD5

d4fed2e5cebf432b62ea20a76ca31624
SHA1

e22ca4f896d0196295f422202bf061c5df817d57
SHA256

5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305
SHA512

0ac0ddde049f9235fdad2c4f32b6750ab377d3b3efb9aa20c705d35ceb8cb9c08872bca312880359da69e33fd1f7e8b250b605ed6e2a8e5f536c7a071bf9f14e
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEz1:5dbwovEVyqgoZmZXWfIdQdRaefPe

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
2536	arp.exe
1304	arp.exe
2820	arp.exe
1780	arp.exe
2544	arp.exe
2056	arp.exe
2672	arp.exe
2572	arp.exe
2568	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1544-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1544-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2120	1544	WerFault.exe	29

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	1544	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1860 wrote to memory of 1544	1860	rundll32.exe	29
PID 1544 wrote to memory of 1780	1544	rundll32.exe	31
PID 1544 wrote to memory of 1780	1544	rundll32.exe	31
PID 1544 wrote to memory of 1780	1544	rundll32.exe	31
PID 1544 wrote to memory of 1780	1544	rundll32.exe	31
PID 1544 wrote to memory of 2120	1544	rundll32.exe	30
PID 1544 wrote to memory of 2120	1544	rundll32.exe	30
PID 1544 wrote to memory of 2120	1544	rundll32.exe	30
PID 1544 wrote to memory of 2120	1544	rundll32.exe	30
PID 1544 wrote to memory of 2568	1544	rundll32.exe	33
PID 1544 wrote to memory of 2568	1544	rundll32.exe	33
PID 1544 wrote to memory of 2568	1544	rundll32.exe	33
PID 1544 wrote to memory of 2568	1544	rundll32.exe	33
PID 1544 wrote to memory of 2536	1544	rundll32.exe	34
PID 1544 wrote to memory of 2536	1544	rundll32.exe	34
PID 1544 wrote to memory of 2536	1544	rundll32.exe	34
PID 1544 wrote to memory of 2536	1544	rundll32.exe	34
PID 1544 wrote to memory of 2544	1544	rundll32.exe	35
PID 1544 wrote to memory of 2544	1544	rundll32.exe	35
PID 1544 wrote to memory of 2544	1544	rundll32.exe	35
PID 1544 wrote to memory of 2544	1544	rundll32.exe	35
PID 1544 wrote to memory of 1304	1544	rundll32.exe	36
PID 1544 wrote to memory of 1304	1544	rundll32.exe	36
PID 1544 wrote to memory of 1304	1544	rundll32.exe	36
PID 1544 wrote to memory of 1304	1544	rundll32.exe	36
PID 1544 wrote to memory of 2820	1544	rundll32.exe	37
PID 1544 wrote to memory of 2820	1544	rundll32.exe	37
PID 1544 wrote to memory of 2820	1544	rundll32.exe	37
PID 1544 wrote to memory of 2820	1544	rundll32.exe	37
PID 1544 wrote to memory of 2572	1544	rundll32.exe	38
PID 1544 wrote to memory of 2572	1544	rundll32.exe	38
PID 1544 wrote to memory of 2572	1544	rundll32.exe	38
PID 1544 wrote to memory of 2572	1544	rundll32.exe	38
PID 1544 wrote to memory of 2672	1544	rundll32.exe	39
PID 1544 wrote to memory of 2672	1544	rundll32.exe	39
PID 1544 wrote to memory of 2672	1544	rundll32.exe	39
PID 1544 wrote to memory of 2672	1544	rundll32.exe	39
PID 1544 wrote to memory of 2056	1544	rundll32.exe	40
PID 1544 wrote to memory of 2056	1544	rundll32.exe	40
PID 1544 wrote to memory of 2056	1544	rundll32.exe	40
PID 1544 wrote to memory of 2056	1544	rundll32.exe	40

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1860
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\5f1bdc14ca8d568993c8786c8b259fa57921beee87189ccc016adcf158066305.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1544
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1544 -s 308
    3⤵
    - Program crash
    PID:2120
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1780
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 b2-cd-23-a8-80-ea
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2568
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 8b-41-1d-46-ea-c8
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2536
- - C:\Windows\SysWOW64\arp.exe
    arp -s 136.243.76.170 53-d5-04-43-4e-82
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2544
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 ab-eb-13-a5-fa-73
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1304
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 50-9c-24-82-e1-84
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2820
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 a0-68-48-50-b3-4e
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2572
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 50-cd-18-ef-59-20
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2672
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 76-c4-08-be-6a-50
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2056

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

Replay Monitor

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Downloads

memory/1544-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1544-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download