beb9c4d83530e4179b6605b30a6170f43bae57ea46c40ceb30168c0a1cf379a4

Analysis

max time kernel
118s
max time network
124s
platform
windows7_x64
resource
win7-20241010-en
resource tags

arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
submitted
20-12-2024 06:47

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General

Target

beb9c4d83530e4179b6605b30a6170f43bae57ea46c40ceb30168c0a1cf379a4.dll
Size

80KB
MD5

bf46bab1022c64584244ca269610594e
SHA1

b1d77fc357822d5b48c1298a4abe069ac5faa3f6
SHA256

beb9c4d83530e4179b6605b30a6170f43bae57ea46c40ceb30168c0a1cf379a4
SHA512

ac991930446ee369f91f886508ed950ca941d6a1eb4a256a7dfa79ca90000aae8453c4c3e8baa83ae9d2f550ce360b79c03cb054c7745f537302cf299a1da9ae
SSDEEP

1536:5POOhfbOjovgdVydUgoNrwBZXGDaZ1QIxrfItMgR7ZaO+fGxHZPEUHk9aJn:5dbwovEVyqgoZmZXWfIdQdRaefPz

Score

6^/10

discovery upx

Malware Config

Signatures

Network Service Discovery 1 TTPs 3 IoCs

Attempt to gather information on host's network.

discovery

Network Service Discovery

T1046

pid	Process
2800	arp.exe
2692	arp.exe
1860	arp.exe

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral1/memory/2920-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral1/memory/2920-2-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2812	2920	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 3 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

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2920	rundll32.exe

Suspicious use of WriteProcessMemory 19 IoCs

description	pid	Process	procid_target
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2876 wrote to memory of 2920	2876	rundll32.exe	30
PID 2920 wrote to memory of 2812	2920	rundll32.exe	31
PID 2920 wrote to memory of 2812	2920	rundll32.exe	31
PID 2920 wrote to memory of 2812	2920	rundll32.exe	31
PID 2920 wrote to memory of 2812	2920	rundll32.exe	31
PID 2920 wrote to memory of 2800	2920	rundll32.exe	32
PID 2920 wrote to memory of 2800	2920	rundll32.exe	32
PID 2920 wrote to memory of 2800	2920	rundll32.exe	32
PID 2920 wrote to memory of 2800	2920	rundll32.exe	32
PID 2920 wrote to memory of 2692	2920	rundll32.exe	34
PID 2920 wrote to memory of 2692	2920	rundll32.exe	34
PID 2920 wrote to memory of 2692	2920	rundll32.exe	34
PID 2920 wrote to memory of 2692	2920	rundll32.exe	34

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\beb9c4d83530e4179b6605b30a6170f43bae57ea46c40ceb30168c0a1cf379a4.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2876
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\beb9c4d83530e4179b6605b30a6170f43bae57ea46c40ceb30168c0a1cf379a4.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2920
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2920 -s 312
    3⤵
    - Program crash
    PID:2812
- - C:\Windows\SysWOW64\arp.exe
    arp -a
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2800
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.0.1 25-ba-5f-5b-06-01
    3⤵
    - Network Service Discovery
    - System Location Discovery: System Language Discovery
    PID:2692
- - C:\Windows\SysWOW64\arp.exe
    arp -s 10.127.255.255 41-e6-49-7e-6e-5f
    3⤵
    - Network Service Discovery
    PID:1860

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/2920-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download
memory/2920-2-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download