1d6300fb759d3e44fc515c37bce65201e9d3d7430a7c7a65651162dd1f69f60c

Analysis

max time kernel
117s
max time network
120s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
22/11/2024, 16:22

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General

Target

$SYSDIR/Cmll15xl.dll
Size

3.2MB
MD5

e9ed6918cc59a5e3f2ff48d972b2f4f7
SHA1

e2eee6fe549bc2d2b92a7ea6c49be22105ca2994
SHA256

6025c59897fd5bd2e4a3ef02edee447fc007060a87e0c1f7d727cbd52ee14fd3
SHA512

9c760c053b69cf27db3f7a80f43615cdb3fa592e38c96a79a9b94173c45122c4dc6a89f21bbd6a5851d1f5c743f5dc94c6310da2bced9110218685e750745052
SSDEEP

24576:B63+/bZkkAXWzU/h2oURmfoRQ3XrS2120Gi8wQqU6T30QZyLFKH1udU70rh1GwTU:iK00mfQQr87kT30U8U7kdKi4xaJ6c

Score

3^/10

discovery

Malware Config

Signatures

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2112	1540	WerFault.exe	30

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 11 IoCs

description	pid	Process	procid_target
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1716 wrote to memory of 1540	1716	rundll32.exe	30
PID 1540 wrote to memory of 2112	1540	rundll32.exe	31
PID 1540 wrote to memory of 2112	1540	rundll32.exe	31
PID 1540 wrote to memory of 2112	1540	rundll32.exe	31
PID 1540 wrote to memory of 2112	1540	rundll32.exe	31

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\Cmll15xl.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1716
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$SYSDIR\Cmll15xl.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of WriteProcessMemory
  PID:1540
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1540 -s 276
    3⤵
    - Program crash
    PID:2112

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/1540-0-0x0000000050500000-0x0000000050844000-memory.dmp

Filesize
3.3MB

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