46f23c46c597eb45b4650687fced8ddfcb0b887f893ea250c8d33f46e1592ff7

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 21:14

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General

Target

46f23c46c597eb45b4650687fced8ddfcb0b887f893ea250c8d33f46e1592ff7.dll
Size

76KB
MD5

97b13d17c708a79cc9aa28d2f421f766
SHA1

8212bc77987d350bab9678476fc5979c5cf2c0f0
SHA256

46f23c46c597eb45b4650687fced8ddfcb0b887f893ea250c8d33f46e1592ff7
SHA512

7d580e8d53d21ced78d3e04191f90c33d0a3495f06b7926dc7220971b0ea2f502f3914faa7156173118c4705386c81ff570cb021f5e344fef95e1d80b14c769d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZZ4a7hHguJ:c8y93KQjy7G55riF1cMo03Ya7hHgw

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/3552-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3552-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2820	3552	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	3552	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3700 wrote to memory of 3552	3700	rundll32.exe	83
PID 3700 wrote to memory of 3552	3700	rundll32.exe	83
PID 3700 wrote to memory of 3552	3700	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\46f23c46c597eb45b4650687fced8ddfcb0b887f893ea250c8d33f46e1592ff7.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3700
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\46f23c46c597eb45b4650687fced8ddfcb0b887f893ea250c8d33f46e1592ff7.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3552
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3552 -s 704
    3⤵
    - Program crash
    PID:2820

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3552 -ip 3552
1⤵
PID:2472

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/3552-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3552-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download