b475aaa45ea5ed0ff561f57160e30cf57384002e51f7f77201eadcc2780bf1d8

Analysis

max time kernel
92s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
25-12-2024 19:03

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General

Target

b475aaa45ea5ed0ff561f57160e30cf57384002e51f7f77201eadcc2780bf1d8N.dll
Size

76KB
MD5

825bc2933526eac9f688a9a02dd50b30
SHA1

9570964a78b7a413b018047ffe3d3bf3d8eb9c47
SHA256

b475aaa45ea5ed0ff561f57160e30cf57384002e51f7f77201eadcc2780bf1d8
SHA512

270c41ffe90e9c093a910ad6790b8b39c4295df558fb9462d565f04b098b70ec04c093b1506cb415dd7ffc685550454aa3f56ad393619a8489800ecb1c95a5fe
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZyXtVaG:c8y93KQjy7G55riF1cMo03EdV

Score

8^/10

discovery persistence privilege_escalation upx

Malware Config

Signatures

Event Triggered Execution: AppInit DLLs 1 TTPs
Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.
persistence privilege_escalation

AppInit DLLs
T1546.010

UPX packed file 2 IoCs

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

upx

resource	yara_rule
behavioral2/memory/2080-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2080-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2644	2080	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2080	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4316 wrote to memory of 2080	4316	rundll32.exe	83
PID 4316 wrote to memory of 2080	4316	rundll32.exe	83
PID 4316 wrote to memory of 2080	4316	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b475aaa45ea5ed0ff561f57160e30cf57384002e51f7f77201eadcc2780bf1d8N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4316
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b475aaa45ea5ed0ff561f57160e30cf57384002e51f7f77201eadcc2780bf1d8N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2080
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2080 -s 712
    3⤵
    - Program crash
    PID:2644

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2080 -ip 2080
1⤵
PID:3676

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

Privilege Escalation

Event Triggered Execution

T1546

AppInit DLLs

T1546.010

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/2080-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2080-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download