a41012d7605e59fb9d4d16726c50b7c33d3e834c342c7abf19ab23c9a904bfcc

Analysis

max time kernel
130s
max time network
101s
platform
windows10-2004_x64
resource
win10v2004-20240426-en
resource tags

arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 04:13

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General

Target

a41012d7605e59fb9d4d16726c50b7c33d3e834c342c7abf19ab23c9a904bfcc.dll
Size

76KB
MD5

941df7cfe012dadd56262ed993cec110
SHA1

e02721e5a3bb7ce299b037e86407c13c71026360
SHA256

a41012d7605e59fb9d4d16726c50b7c33d3e834c342c7abf19ab23c9a904bfcc
SHA512

fb2bd91bc580daab718a5172973f1978cb041e5b4f68a73764aad8fb7d71a0bcedcae6998c798c21958b00f3a90575d75e97984c80750d4fb63c85be9e88f992
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZEBWC:c8y93KQjy7G55riF1cMo03Gd

Score

8^/10

persistence upx

Malware Config

Signatures

Modifies AppInit DLL entries 2 TTPs
persistence

Registry Run Keys / Startup Folder
T1547.001

Modify Registry
T1112

UPX packed file 2 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4484-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4484-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

Processes:

WerFault.exe

pid pid_target process target process

2544 4484 WerFault.exe rundll32.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

rundll32.exe

description pid process

Token: SeDebugPrivilege 4484 rundll32.exe

pid	pid_target	process	target process
2544	4484	WerFault.exe	rundll32.exe

description	pid	process
Token: SeDebugPrivilege	4484	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

Processes:

rundll32.exe

description	pid	process	target process
PID 1956 wrote to memory of 4484	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 4484	1956	rundll32.exe	rundll32.exe
PID 1956 wrote to memory of 4484	1956	rundll32.exe	rundll32.exe

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a41012d7605e59fb9d4d16726c50b7c33d3e834c342c7abf19ab23c9a904bfcc.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1956

C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\a41012d7605e59fb9d4d16726c50b7c33d3e834c342c7abf19ab23c9a904bfcc.dll,#1
2⤵
- Suspicious use of AdjustPrivilegeToken
PID:4484

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4484 -s 700
3⤵
- Program crash
PID:2544

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4484 -ip 4484
1⤵
PID:604

Network

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Replay Monitor

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Downloads

memory/4484-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4484-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download