6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240

Analysis

max time kernel
117s
max time network
118s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 01:11

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General

Target

6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240N.dll
Size

80KB
MD5

c385bf8dec94d6d8bac8953d495d2a80
SHA1

ed7d1f150d7136d776dcadf85a75872284bcf0e3
SHA256

6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240
SHA512

32f9002c0b38f1340a37078d4cb58813c0cd922f504ad0894baff1b6412209c27023f78bc2fb6697479e34d91e72e4cde7143c37ccdebfccfad10526bce34297
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPE6GIo:5dbwovEVyqgoZmZXWfIdQdRaefPsIo

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
2840	arp.exe
2828	arp.exe
2232	arp.exe
628	arp.exe
2724	arp.exe
2688	arp.exe
2864	arp.exe
2836	arp.exe
1800	arp.exe

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral1/memory/1784-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1784-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1784-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/1784-4-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2664	1784	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	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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1784	rundll32.exe

Suspicious use of WriteProcessMemory 47 IoCs

description	pid	Process	procid_target
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1956 wrote to memory of 1784	1956	rundll32.exe	30
PID 1784 wrote to memory of 2664	1784	rundll32.exe	31
PID 1784 wrote to memory of 2664	1784	rundll32.exe	31
PID 1784 wrote to memory of 2664	1784	rundll32.exe	31
PID 1784 wrote to memory of 2664	1784	rundll32.exe	31
PID 1784 wrote to memory of 1800	1784	rundll32.exe	32
PID 1784 wrote to memory of 1800	1784	rundll32.exe	32
PID 1784 wrote to memory of 1800	1784	rundll32.exe	32
PID 1784 wrote to memory of 1800	1784	rundll32.exe	32
PID 1784 wrote to memory of 2232	1784	rundll32.exe	35
PID 1784 wrote to memory of 2232	1784	rundll32.exe	35
PID 1784 wrote to memory of 2232	1784	rundll32.exe	35
PID 1784 wrote to memory of 2232	1784	rundll32.exe	35
PID 1784 wrote to memory of 628	1784	rundll32.exe	36
PID 1784 wrote to memory of 628	1784	rundll32.exe	36
PID 1784 wrote to memory of 628	1784	rundll32.exe	36
PID 1784 wrote to memory of 628	1784	rundll32.exe	36
PID 1784 wrote to memory of 2724	1784	rundll32.exe	37
PID 1784 wrote to memory of 2724	1784	rundll32.exe	37
PID 1784 wrote to memory of 2724	1784	rundll32.exe	37
PID 1784 wrote to memory of 2724	1784	rundll32.exe	37
PID 1784 wrote to memory of 2688	1784	rundll32.exe	38
PID 1784 wrote to memory of 2688	1784	rundll32.exe	38
PID 1784 wrote to memory of 2688	1784	rundll32.exe	38
PID 1784 wrote to memory of 2688	1784	rundll32.exe	38
PID 1784 wrote to memory of 2840	1784	rundll32.exe	39
PID 1784 wrote to memory of 2840	1784	rundll32.exe	39
PID 1784 wrote to memory of 2840	1784	rundll32.exe	39
PID 1784 wrote to memory of 2840	1784	rundll32.exe	39
PID 1784 wrote to memory of 2836	1784	rundll32.exe	40
PID 1784 wrote to memory of 2836	1784	rundll32.exe	40
PID 1784 wrote to memory of 2836	1784	rundll32.exe	40
PID 1784 wrote to memory of 2836	1784	rundll32.exe	40
PID 1784 wrote to memory of 2828	1784	rundll32.exe	41
PID 1784 wrote to memory of 2828	1784	rundll32.exe	41
PID 1784 wrote to memory of 2828	1784	rundll32.exe	41
PID 1784 wrote to memory of 2828	1784	rundll32.exe	41
PID 1784 wrote to memory of 2864	1784	rundll32.exe	42
PID 1784 wrote to memory of 2864	1784	rundll32.exe	42
PID 1784 wrote to memory of 2864	1784	rundll32.exe	42
PID 1784 wrote to memory of 2864	1784	rundll32.exe	42

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\6218736f8d284d691e78376a2bad365c66983e5453f69af1487a75c802a6b240N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1784
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1784 -s 312
    3⤵
    - Program crash
    PID:2664
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:1800
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 ff-f5-f0-76-89-53
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2232
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 c1-44-30-31-3b-44
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:628
- - C:\Windows\SysWOW64\arp.exe
    arp -s 49.12.169.207 e2-2c-39-ff-1f-4b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2724
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.22 64-97-a6-b5-08-c2
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2688
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.251 34-d3-b9-73-f5-53
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2840
- - C:\Windows\SysWOW64\arp.exe
    arp -s 224.0.0.252 1e-bf-70-78-4b-b1
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2836
- - C:\Windows\SysWOW64\arp.exe
    arp -s 239.255.255.250 8f-b3-13-18-5a-4b
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2828
- - C:\Windows\SysWOW64\arp.exe
    arp -s 255.255.255.255 f0-38-1d-45-53-72
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2864

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/1784-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1784-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1784-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/1784-4-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download