d74481ed88034e25db00fe522d6b84c969aeb40dfbf97d2b9bd043a353b4cc90

Analysis

max time kernel
110s
max time network
97s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
17-12-2024 06:54

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General

Target

d74481ed88034e25db00fe522d6b84c969aeb40dfbf97d2b9bd043a353b4cc90.dll
Size

76KB
MD5

5bc6a741cdb4ff5f4b6c4e96031f1ebe
SHA1

611c4c39532580aaa05c1721f3e8b51cb537ca72
SHA256

d74481ed88034e25db00fe522d6b84c969aeb40dfbf97d2b9bd043a353b4cc90
SHA512

1da6ad34f5bf398fd7fa2d472110c1c16f4677e9467cf2c2d93b9cf864574b783924516e12be8e9df95d296ccca9c89b5f1fd2b9ae5b275d113601db2421c410
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZaFVMB8:c8y93KQjy7G55riF1cMo03Y3Mi

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/860-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/860-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

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 behavior: EnumeratesProcesses 2 IoCs

pid	Process
860	rundll32.exe
860	rundll32.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4804 wrote to memory of 860	4804	rundll32.exe	83
PID 4804 wrote to memory of 860	4804	rundll32.exe	83
PID 4804 wrote to memory of 860	4804	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d74481ed88034e25db00fe522d6b84c969aeb40dfbf97d2b9bd043a353b4cc90.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4804
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d74481ed88034e25db00fe522d6b84c969aeb40dfbf97d2b9bd043a353b4cc90.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:860

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/860-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/860-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download