38c75c4dcefa514369927f01f7ef486f381621d65cf4b1c50afcfdc432d30858

Analysis

max time kernel
95s
max time network
138s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-11-2024 21:55

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General

Target

38c75c4dcefa514369927f01f7ef486f381621d65cf4b1c50afcfdc432d30858.dll
Size

76KB
MD5

3b2e02063d4449d14a6824d550f032c9
SHA1

970f82f88a654e0e3b8397369ddfc5613841a19c
SHA256

38c75c4dcefa514369927f01f7ef486f381621d65cf4b1c50afcfdc432d30858
SHA512

0145a7c398b708d84f34c9bef3aaa26231a2dbe6eac32a5f87a98b483407f772428d9b8fabb84014e0eb1a8b6edb25d91fad0ebbac573a1073a8cb9640ae11ea
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zi+eO4:c8y93KQjy7G55riF1cMo03QFl

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/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4028	1420	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	1420	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1800 wrote to memory of 1420	1800	rundll32.exe	83
PID 1800 wrote to memory of 1420	1800	rundll32.exe	83
PID 1800 wrote to memory of 1420	1800	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\38c75c4dcefa514369927f01f7ef486f381621d65cf4b1c50afcfdc432d30858.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1800
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\38c75c4dcefa514369927f01f7ef486f381621d65cf4b1c50afcfdc432d30858.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1420
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1420 -s 704
    3⤵
    - Program crash
    PID:4028

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1420 -ip 1420
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/1420-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/1420-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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