b5001c7670a84d1a3e9d11542f11078b78de0401bf5b0b83469cd27bf1d90d11

Analysis

max time kernel
94s
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
19/01/2025, 16:34

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b5001c7670a84d1a3e9d11542f11078b78de0401bf5b0b83469cd27bf1d90d11N.dll
Size

76KB
MD5

d7f72bbd1d79a9a529ff48eda87d1dd0
SHA1

69a12b7f6c03bd7f438220dd2123550196555bc5
SHA256

b5001c7670a84d1a3e9d11542f11078b78de0401bf5b0b83469cd27bf1d90d11
SHA512

8989e08f19aca24fd94439311103ca5bbf41b568066b2a5512cc9a5e83a37f245a37b53de9649cb81bf4586392cf4604200e41cadc220bf585ceea9ae29deac8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZVi:c8y93KQjy7G55riF1cMo03zi

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/4996-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4996-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4236	4996	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	4996	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1764 wrote to memory of 4996	1764	rundll32.exe	83
PID 1764 wrote to memory of 4996	1764	rundll32.exe	83
PID 1764 wrote to memory of 4996	1764	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5001c7670a84d1a3e9d11542f11078b78de0401bf5b0b83469cd27bf1d90d11N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1764
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b5001c7670a84d1a3e9d11542f11078b78de0401bf5b0b83469cd27bf1d90d11N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4996
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4996 -s 696
    3⤵
    - Program crash
    PID:4236

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4996 -ip 4996
1⤵
PID:4072

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

Loading Replay Monitor...

Downloads

memory/4996-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4996-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download