d9ccc2ca34b59d0a0e7e73a9aab832a697483ed1507edc861c28069b05481d30

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
07/09/2024, 05:01

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target

cryptolib.dll
Size

138KB
MD5

435145d5835e2f2f92e4e50aa3cdf9aa
SHA1

00840de68696a8553f41408e3f18cd3a69bd0715
SHA256

26dd0c5a5d2b6e0ff72e861f6852485b662bdfb7e402ca6368d569962c4eb2c6
SHA512

0b534ad7d3b98189e9228ebae7cd0611cb9077b6efa1136d7683eed22f0e0ed1d7c1f18156a3d80e5e62ee41c825071e15578cac3b7dc32873382883b9d842fc
SSDEEP

3072:CIrC8UZAvVkeSeOeDzfliwH2hL8ECR4NlsX81D88dMqqDLy/I7CI:CIrAIWjeOHhlCksXqzOqqDLu

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3836	5000	WerFault.exe	86

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 3172 wrote to memory of 5000	3172	rundll32.exe	86
PID 3172 wrote to memory of 5000	3172	rundll32.exe	86
PID 3172 wrote to memory of 5000	3172	rundll32.exe	86

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\cryptolib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3172
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\cryptolib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:5000
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 5000 -s 632
    3⤵
    - Program crash
    PID:3836

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 5000 -ip 5000
1⤵
PID:4232

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

Loading Replay Monitor...

Downloads

memory/5000-0-0x0000000000400000-0x000000000042C000-memory.dmp

Filesize
176KB

Download