8fb4902480d2285064f23f67a4a44ff27d64f321715204fd6314ea3462bac5de

Analysis

max time kernel
93s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/01/2025, 02:50

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General

Target

8fb4902480d2285064f23f67a4a44ff27d64f321715204fd6314ea3462bac5de.dll
Size

76KB
MD5

c2b53ee44ea989bc82f7c01c517298bd
SHA1

4eab655b98882d585491cd2d96d86835aba4f8a8
SHA256

8fb4902480d2285064f23f67a4a44ff27d64f321715204fd6314ea3462bac5de
SHA512

74f9bd94c18c3308aad0dad0691b4ad1cedf7402acad2243568d3c7f13a5d227215bea122e46a69dd5d07274c9a59ebf1c20eb8166c383bdc54887e3cacebdfd
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZLi09pLB:c8y93KQjy7G55riF1cMo03J3B

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/3860-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3860-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3580	3860	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	3860	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2444 wrote to memory of 3860	2444	rundll32.exe	83
PID 2444 wrote to memory of 3860	2444	rundll32.exe	83
PID 2444 wrote to memory of 3860	2444	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fb4902480d2285064f23f67a4a44ff27d64f321715204fd6314ea3462bac5de.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2444
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\8fb4902480d2285064f23f67a4a44ff27d64f321715204fd6314ea3462bac5de.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3860
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3860 -s 704
    3⤵
    - Program crash
    PID:3580

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3860 -ip 3860
1⤵
PID:4512

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/3860-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3860-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download