c9331df750653afe477b1dcd6663a80a6b579af04fc4dd50ffefd1c0a12518a3

Analysis

max time kernel
93s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-11-2024 20:01

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

$PLUGINSDIR/fbban.dll
Size

94KB
MD5

f54a3744a8bc9947fc4f01f9595010e3
SHA1

b2e5c87d16cf29b55753297fefd6b7bab4cc77b0
SHA256

a5cf6cd784167eab65e5c2b9a57d3df96ac0d89c2ddd0743674471e42100dcfd
SHA512

9ff89e8b5234ba8fb9887fc589d4b6b334211058d9cc252a3f382d56783ea04d8524d54bc6f131bc7ad3246cd6bad95564086a6ae90042a42d441ac25a93dcf8
SSDEEP

1536:h6jveRFsu0y4UADdfD4rTz86ztZSPiOqwvgjw9dPMEW0nsWjcdvQByT:MRRvSwYDOKYMEW0IvQBy

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
776	1664	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 7 IoCs

description	pid	Process	procid_target
PID 3888 wrote to memory of 1664	3888	rundll32.exe	83
PID 3888 wrote to memory of 1664	3888	rundll32.exe	83
PID 3888 wrote to memory of 1664	3888	rundll32.exe	83
PID 1664 wrote to memory of 3100	1664	rundll32.exe	84
PID 1664 wrote to memory of 3100	1664	rundll32.exe	84
PID 1664 wrote to memory of 3100	1664	rundll32.exe	84
PID 1664 wrote to memory of 3100	1664	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fbban.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3888
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fbban.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1664
- - C:\Windows\SysWOW64\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\fbban.dll,#1
    3⤵
    PID:3100
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1664 -s 672
    3⤵
    - Program crash
    PID:776

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1664 -ip 1664
1⤵
PID:4820

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/1664-0-0x0000000010015000-0x0000000010017000-memory.dmp

Filesize
8KB

Download