42243fc0010483ae78eb3dfcbebb64ed9f27cb9314545b3f6215638e8bc4fa62

Analysis

max time kernel
95s
max time network
96s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
10/12/2024, 16:34

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General

Target

42243fc0010483ae78eb3dfcbebb64ed9f27cb9314545b3f6215638e8bc4fa62.dll
Size

76KB
MD5

7a3d7076bbc66c8b1fedaed66264e5fe
SHA1

c38d2ebefdeef66b92bd2e35d853396da82448d7
SHA256

42243fc0010483ae78eb3dfcbebb64ed9f27cb9314545b3f6215638e8bc4fa62
SHA512

e70de405b2042f8111658082a9edd6c396422cbc2ac33ae264291c694a7921694397fb3ea91506c56ebd153e0255396f25ec6c223a22be36b73e0712139474fb
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZB2i+x4:c8y93KQjy7G55riF1cMo0377+x4

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/1552-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1552-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2896	1552	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 AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	1552	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4544 wrote to memory of 1552	4544	rundll32.exe	82
PID 4544 wrote to memory of 1552	4544	rundll32.exe	82
PID 4544 wrote to memory of 1552	4544	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\42243fc0010483ae78eb3dfcbebb64ed9f27cb9314545b3f6215638e8bc4fa62.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4544
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\42243fc0010483ae78eb3dfcbebb64ed9f27cb9314545b3f6215638e8bc4fa62.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1552 -s 712
    3⤵
    - Program crash
    PID:2896

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 1552 -ip 1552
1⤵
PID:3016

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/1552-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1552-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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