b0f71422d17aa13ca36b06b59bcc603234e0f8f921072fab71399cdd77b10a33

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
01-02-2025 23:11

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General

Target

b0f71422d17aa13ca36b06b59bcc603234e0f8f921072fab71399cdd77b10a33.dll
Size

76KB
MD5

7bde9e17ce4c676c15e645be79f6ea6e
SHA1

ae9f427a75634da38d668841f19db65bde2dfd30
SHA256

b0f71422d17aa13ca36b06b59bcc603234e0f8f921072fab71399cdd77b10a33
SHA512

5c7148260e0f88ef7c598b6c2683cf16120121a035eced98462b8fdb58fe7965339e952c77d15fd71ba33954afd3d22b3800031ccc0d225d23534941b4115111
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZleFmLMN3YmxN66hlIu:c8y93KQjy7G55riF1cMo03CFmLMN3YmP

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/2476-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/2476-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
1572	2476	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	2476	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3144 wrote to memory of 2476	3144	rundll32.exe	83
PID 3144 wrote to memory of 2476	3144	rundll32.exe	83
PID 3144 wrote to memory of 2476	3144	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f71422d17aa13ca36b06b59bcc603234e0f8f921072fab71399cdd77b10a33.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3144
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\b0f71422d17aa13ca36b06b59bcc603234e0f8f921072fab71399cdd77b10a33.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:2476
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 2476 -s 700
    3⤵
    - Program crash
    PID:1572

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 2476 -ip 2476
1⤵
PID:1480

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/2476-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/2476-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download