74f3a904c791973e13861d08e0f103ff0a7e7354463a4e96b43bc3a919894cef

Analysis

max time kernel
150s
max time network
160s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 11:14

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General

Target

CFToolbox.dll
Size

450KB
MD5

4c825b167849068497b1da019581814a
SHA1

419c165000aa0683da6824b71dfac263b0cd236a
SHA256

44cc5eb317fc0e480380598e1d4b781a0f07fe6995c36302a89a28c0e629a5da
SHA512

535bd603eca2a70df130c06da0732682e651ecd3c799f281d6691e6780c14660bf89887165c416de2deae528fbaa0cabf2ff7bcc6e24484f952e9ab23a2212a0
SSDEEP

12288:XfEAsS6img3Ti7ptp2bYi8zECBAzhw+rl:bxJTg6MiADBvc

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
behavioral2/memory/4580-0-0x0000000074FF0000-0x00000000751D7000-memory.dmp	upx
behavioral2/memory/4580-2-0x0000000074FF0000-0x00000000751D7000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1064	4580	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 3152 wrote to memory of 4580	3152	rundll32.exe	85
PID 3152 wrote to memory of 4580	3152	rundll32.exe	85
PID 3152 wrote to memory of 4580	3152	rundll32.exe	85

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\CFToolbox.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3152
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\CFToolbox.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4580
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4580 -s 628
    3⤵
    - Program crash
    PID:1064

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4580 -ip 4580
1⤵
PID:2120

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/4580-0-0x0000000074FF0000-0x00000000751D7000-memory.dmp

Filesize
1.9MB

Download
memory/4580-2-0x0000000074FF0000-0x00000000751D7000-memory.dmp

Filesize
1.9MB

Download