42fc5462964e17bcbc2e6fe2e621bfecf2d241d8df5c31bb1bd48144df7ccd67

Analysis

max time kernel
138s
max time network
128s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29-08-2024 09:11

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General

Target

EasyWebSvr/demo/hello.dll
Size

3KB
MD5

1b16b75310e2b968e40cbb99054f58a5
SHA1

e126c31c3b1dd14b50f2a88c69075d05f53bdc88
SHA256

3042dc802e71e8e6d57d8ffff4cd50cdcb2f293bb75d3771b87fbe10a874bdc7
SHA512

0a3cc0debb9e691c3dcd86eabec03ce7a9a39dad9b34ab6097d4fd1d0a2bea087ccf33bcea2bef05505f24976354af3a91e0cf0fda23f7f2b927f51a94b4c64f

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 1 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral6/memory/3256-0-0x0000000010000000-0x0000000010008000-memory.dmp	acprotect

UPX packed file 1 IoCs

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

upx

resource	yara_rule
behavioral6/memory/3256-0-0x0000000010000000-0x0000000010008000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1296	3256	WerFault.exe	83

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 3 IoCs

description	pid	Process	procid_target
PID 516 wrote to memory of 3256	516	rundll32.exe	83
PID 516 wrote to memory of 3256	516	rundll32.exe	83
PID 516 wrote to memory of 3256	516	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\EasyWebSvr\demo\hello.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:516
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\EasyWebSvr\demo\hello.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3256
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3256 -s 600
    3⤵
    - Program crash
    PID:1296

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3256 -ip 3256
1⤵
PID:2360

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/3256-0-0x0000000010000000-0x0000000010008000-memory.dmp

Filesize
32KB

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