496e2ce2cd547220993e14276081e30c3069da1cb3055116fd20424b0668d53d

Analysis

max time kernel
95s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19/09/2024, 05:16

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General

Target
$PLUGINSDIR/Aero.dll
Size 6KB
Sample240919-fyccfasemd
SHA256 ab864a3c247e9016414a4a8b26155942b7c3814cc99be6a59b86c456bd22c061
MD5 5c7408c25f1076eb96908e5bba521bb5
SHA1 46df8dfd93593360b9b6d2e4ab1892843246228d
SHA512 9eebf8378a0eab0ab66e70f20aea185392ce0de36e63a37c07ccd93a5d1d8fe95a2ed8c428c63d6aa8c0a5b424e53e412fdeb0e5be2ee57f9eceafa19e03062c
SSDEEP 96:+k+RX2Fg54iQrKWX09fODXCPbnV767ZJG:8X2FA4iyXNm7Ve7ZJ
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

ACProtect 1.3x - 1.4x DLL software 2 IoCs

Detects file using ACProtect software.

resource	yara_rule
behavioral4/memory/4108-0-0x0000000074E70000-0x0000000074E79000-memory.dmp	acprotect
behavioral4/memory/4108-1-0x0000000074E70000-0x0000000074E79000-memory.dmp	acprotect

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral4/memory/4108-0-0x0000000074E70000-0x0000000074E79000-memory.dmp	upx
behavioral4/memory/4108-1-0x0000000074E70000-0x0000000074E79000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1176	4108	WerFault.exe	82

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 5084 wrote to memory of 4108	5084	rundll32.exe	82
PID 5084 wrote to memory of 4108	5084	rundll32.exe	82
PID 5084 wrote to memory of 4108	5084	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Aero.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5084
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\$PLUGINSDIR\Aero.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4108
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 612
    3⤵
    - Program crash
    PID:1176

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4108 -ip 4108
1⤵
PID:1172

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/4108-0-0x0000000074E70000-0x0000000074E79000-memory.dmp

Download

memory/4108-1-0x0000000074E70000-0x0000000074E79000-memory.dmp