5c36b516e47c99d218a211d0e5323ca94425977d25362f584acb2a1a4e9bdd8e

Analysis

max time kernel
91s
max time network
129s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
08-09-2024 06:12

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General

Target

pkooit/libcurl.dll
Size

268KB
MD5

826eb1d1a7b917f6dee249f37af24361
SHA1

c18f330f5b1ba64442fd7602de2113680753641c
SHA256

10e8ac3fe4d3e6ace7f19a10a1df4409c104f8943d9a0f3b6fd7107620dc9310
SHA512

968671772d9b604646a14a61d5d81a1abe9d244583ed4dabb919275dc186ad63a9a4451c3fbd2d9a02b2362feb3fb6d78e60115ae05bb5c263a9a75729d8b335
SSDEEP

6144:Cx/olbmPZ0OnHmt5e5UebJbBfQ/w8s3BMPn6lhXSFeMh2UAWTBNBJEUa:CtQmRznHm25UIbBMw8whMRAWTDBra

Score

7^/10

discovery vmprotect

Malware Config

Signatures

VMProtect packed file 3 IoCs

Detects executables packed with VMProtect commercial packer.

vmprotect

resource	yara_rule
behavioral4/memory/4412-1-0x0000000074950000-0x0000000074C82000-memory.dmp	vmprotect
behavioral4/memory/4412-0-0x0000000074950000-0x0000000074C82000-memory.dmp	vmprotect
behavioral4/memory/4412-5-0x0000000074950000-0x0000000074C82000-memory.dmp	vmprotect

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1608	4412	WerFault.exe	85

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 1772 wrote to memory of 4412	1772	rundll32.exe	85
PID 1772 wrote to memory of 4412	1772	rundll32.exe	85
PID 1772 wrote to memory of 4412	1772	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\pkooit\libcurl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1772
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\pkooit\libcurl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4412
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4412 -s 620
    3⤵
    - Program crash
    PID:1608

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4412 -ip 4412
1⤵
PID:3728

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/4412-1-0x0000000074950000-0x0000000074C82000-memory.dmp

Filesize
3.2MB

Download
memory/4412-0-0x0000000074950000-0x0000000074C82000-memory.dmp

Filesize
3.2MB

Download
memory/4412-4-0x0000000002680000-0x00000000029B2000-memory.dmp

Filesize
3.2MB

Download
memory/4412-5-0x0000000074950000-0x0000000074C82000-memory.dmp

Filesize
3.2MB

Download