65c3e6e9dc7f50876122c004d13575354b629b6972a48ca566587663acfb7231

Analysis

max time kernel
140s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
07/09/2024, 20:32

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General

Target

恶意软件清理/rsclean.dll
Size

192KB
MD5

af3c6dc20c0c7ece1dc6370e16f10cc8
SHA1

219140b111cbd49b77e50b3942a53f6131a231bc
SHA256

d312de9529f34e0606937682a5b34bd9a10b001bd5a04c4b761c79cca429d1dd
SHA512

6bffb0ad8da75070b889eac520e1dc86173f13921f5b088273d73116f90cb14e243bc0a8059f9fb29324d2d21a6ac2af43f86dc76219ea40b6eff722414c5ee7
SSDEEP

3072:JfziRnGqHqcWlLOFJW9w0UCFlu2TUwK3w3CoaqbZ/7/QO/4xzEik8GI2CucC2L:ZzihbHqeWGUIwK3wyolQhucC2

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral7/memory/2092-0-0x0000000000380000-0x0000000000402000-memory.dmp	upx
behavioral7/memory/2092-1-0x0000000000380000-0x0000000000402000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2328	2092	WerFault.exe	30

System Location Discovery: System Language Discovery 1 TTPs 1 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

Suspicious use of WriteProcessMemory 11 IoCs

description	pid	Process	procid_target
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 3056 wrote to memory of 2092	3056	rundll32.exe	30
PID 2092 wrote to memory of 2328	2092	rundll32.exe	31
PID 2092 wrote to memory of 2328	2092	rundll32.exe	31
PID 2092 wrote to memory of 2328	2092	rundll32.exe	31
PID 2092 wrote to memory of 2328	2092	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\恶意软件清理\rsclean.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3056
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\恶意软件清理\rsclean.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:2092
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2092 -s 276
    3⤵
    - Program crash
    PID:2328

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

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/2092-0-0x0000000000380000-0x0000000000402000-memory.dmp

Filesize
520KB

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memory/2092-1-0x0000000000380000-0x0000000000402000-memory.dmp

Filesize
520KB

Download