946a755870498e6752f9ccba0eb75d1cae8ddfd2a4cb5c2d4fb3704e909d2f60

Analysis

max time kernel
119s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
31-12-2024 13:46

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General

Target

946a755870498e6752f9ccba0eb75d1cae8ddfd2a4cb5c2d4fb3704e909d2f60N.dll
Size

80KB
MD5

06db98334e6d2bc2c1b78cfc55d3f120
SHA1

e9a8bd1b61a761d98b3d13a5b1ee08752c119288
SHA256

946a755870498e6752f9ccba0eb75d1cae8ddfd2a4cb5c2d4fb3704e909d2f60
SHA512

fc1bf0fa48731c0a7624398dbd166b686e23a84711aa2fd889e4fd7c79d8c8232720cd94108f1e8512bebeb5acb63db3f095ddd857b955beb445d7178972d245
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEF4n7j:5dbwovEVyqgoZmZXWfIdQdRaefPv

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
2856	arp.exe
2812	arp.exe
2136	arp.exe
2936	arp.exe
2752	arp.exe
2676	arp.exe
2440	arp.exe
1508	arp.exe
3048	arp.exe

UPX packed file 3 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2732-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2732-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2732-9-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2480	2732	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	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
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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2732	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2208 wrote to memory of 2732	2208	rundll32.exe	30
PID 2732 wrote to memory of 2480	2732	rundll32.exe	31
PID 2732 wrote to memory of 2480	2732	rundll32.exe	31
PID 2732 wrote to memory of 2480	2732	rundll32.exe	31
PID 2732 wrote to memory of 2480	2732	rundll32.exe	31
PID 2732 wrote to memory of 2440	2732	rundll32.exe	32
PID 2732 wrote to memory of 2440	2732	rundll32.exe	32
PID 2732 wrote to memory of 2440	2732	rundll32.exe	32
PID 2732 wrote to memory of 2440	2732	rundll32.exe	32
PID 2732 wrote to memory of 1508	2732	rundll32.exe	34
PID 2732 wrote to memory of 1508	2732	rundll32.exe	34
PID 2732 wrote to memory of 1508	2732	rundll32.exe	34
PID 2732 wrote to memory of 1508	2732	rundll32.exe	34
PID 2732 wrote to memory of 3048	2732	rundll32.exe	35
PID 2732 wrote to memory of 3048	2732	rundll32.exe	35
PID 2732 wrote to memory of 3048	2732	rundll32.exe	35
PID 2732 wrote to memory of 3048	2732	rundll32.exe	35
PID 2732 wrote to memory of 2812	2732	rundll32.exe	36
PID 2732 wrote to memory of 2812	2732	rundll32.exe	36
PID 2732 wrote to memory of 2812	2732	rundll32.exe	36
PID 2732 wrote to memory of 2812	2732	rundll32.exe	36
PID 2732 wrote to memory of 2936	2732	rundll32.exe	37
PID 2732 wrote to memory of 2936	2732	rundll32.exe	37
PID 2732 wrote to memory of 2936	2732	rundll32.exe	37
PID 2732 wrote to memory of 2936	2732	rundll32.exe	37
PID 2732 wrote to memory of 2136	2732	rundll32.exe	38
PID 2732 wrote to memory of 2136	2732	rundll32.exe	38
PID 2732 wrote to memory of 2136	2732	rundll32.exe	38
PID 2732 wrote to memory of 2136	2732	rundll32.exe	38
PID 2732 wrote to memory of 2856	2732	rundll32.exe	39
PID 2732 wrote to memory of 2856	2732	rundll32.exe	39
PID 2732 wrote to memory of 2856	2732	rundll32.exe	39
PID 2732 wrote to memory of 2856	2732	rundll32.exe	39
PID 2732 wrote to memory of 2752	2732	rundll32.exe	41
PID 2732 wrote to memory of 2752	2732	rundll32.exe	41
PID 2732 wrote to memory of 2752	2732	rundll32.exe	41
PID 2732 wrote to memory of 2752	2732	rundll32.exe	41
PID 2732 wrote to memory of 2676	2732	rundll32.exe	42
PID 2732 wrote to memory of 2676	2732	rundll32.exe	42
PID 2732 wrote to memory of 2676	2732	rundll32.exe	42
PID 2732 wrote to memory of 2676	2732	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\946a755870498e6752f9ccba0eb75d1cae8ddfd2a4cb5c2d4fb3704e909d2f60N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2208
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\946a755870498e6752f9ccba0eb75d1cae8ddfd2a4cb5c2d4fb3704e909d2f60N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2732
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2732 -s 336
    3⤵
    - Program crash
    PID:2480
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2440
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 cf-28-4c-3a-92-e9
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1508
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 a8-63-d0-ad-a5-db
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:3048
- - C:\Windows\SysWOW64\arp.exe
    arp -s 154.61.71.51 43-eb-7d-35-a5-0f
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2812
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 3a-f0-cc-7c-69-01
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2936
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 56-ea-e6-21-11-6c
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2136
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 09-f6-55-fd-6f-59
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2856
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 9b-ee-7f-25-85-18
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2752
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 25-ec-51-87-d3-55
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2676

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/2732-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2732-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2732-2-0x0000000000030000-0x0000000000031000-memory.dmp

Filesize
4KB

Download
memory/2732-9-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download