099a59fa2775c2e6b750b62f27e9ad1e821bc82a522345a7b8592e08044af4d5

Analysis

max time kernel
95s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
13/09/2024, 07:18

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General

Target
2d545e126acaad30391c21bbb82c28b0N.dll
Size 76KB
Sample240913-h5cmws1fnc
SHA256 099a59fa2775c2e6b750b62f27e9ad1e821bc82a522345a7b8592e08044af4d5
MD5 2d545e126acaad30391c21bbb82c28b0
SHA1 965db73f1ba7be2e0d33bf9c29b20077c487b87f
SHA512 9696cbc3e2f0304e91419bd00d4e7c1b04f8487d9b3f739804f235abcb8432de6f7d20e639144279c0af1b3eef36da6558c0a47210213205de6432b6acfe0487
SSDEEP 1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZKGXyV/:c8y93KQjy7G55riF1cMo03ctV/
MD5 SHA1 SHA512 SSDEEP

Score

7^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2492-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2492-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1144	2492	WerFault.exe	84

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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2492	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4808 wrote to memory of 2492	4808	rundll32.exe	84
PID 4808 wrote to memory of 2492	4808	rundll32.exe	84
PID 4808 wrote to memory of 2492	4808	rundll32.exe	84

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d545e126acaad30391c21bbb82c28b0N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4808
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\2d545e126acaad30391c21bbb82c28b0N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2492
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 708
    3⤵
    - Program crash
    PID:1144

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2492 -ip 2492
1⤵
PID:2460

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

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Downloads

memory/2492-0-0x0000000010000000-0x0000000010030000-memory.dmp

Download

memory/2492-2-0x0000000010000000-0x0000000010030000-memory.dmp