a34bfecbf575530e1a8972bd2676a2b4aa9997654cfc3428222e6fef19678751

Analysis

max time kernel
96s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
07/11/2024, 15:03

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
$PLUGINSDIR/blowfish.dll
Size 22KB
Sample241107-sfefasvbmm
SHA256 053b4487d22aacf8274bab448ae1d665fe7926102197b47bfba6c7ed5493b3ae
MD5 5afd4a9b7e69e7c6e312b2ce4040394a
SHA1 fbd07adb3f02f866dc3a327a86b0f319d4a94502
SHA512 f78efe9d1fa7d2ffc731d5f878f81e4dcbfaf0c561fdfbf4c133ba2ce1366c95c4672d67cae6a8bd8fcc7d04861a9da389d98361055ac46fc9793828d9776511
SSDEEP 384:yTxz0Cv0hqd+1TjQmd9YWrSUEc//////OD5hF92IJpJgLa0MpoYfAz6S:jCvsqdS3QGBREc//////Q53NgLa1ub
MD5 SHA1 SHA512 SSDEEP

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3596	2040	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 3788 wrote to memory of 2040	3788	rundll32.exe	83
PID 3788 wrote to memory of 2040	3788	rundll32.exe	83
PID 3788 wrote to memory of 2040	3788	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\blowfish.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3788
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\blowfish.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2040
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2040 -s 612
    3⤵
    - Program crash
    PID:3596

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2040 -ip 2040
1⤵
PID:3708

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/2040-0-0x0000000000400000-0x000000000040C000-memory.dmp

Download