f5f90f6c4cf591f5b6850f31115ed027d36fb1163b352b21ee9c424088576f1a

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
19/01/2025, 16:20

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General

Target

f5f90f6c4cf591f5b6850f31115ed027d36fb1163b352b21ee9c424088576f1aN.dll
Size

76KB
MD5

6e45b3e0af89e9defa9d56535f15a4a0
SHA1

c252a9412767b73707491dc3468f0a67457c705e
SHA256

f5f90f6c4cf591f5b6850f31115ed027d36fb1163b352b21ee9c424088576f1a
SHA512

35699023ff4e7bbbf15eaf1acaf3ff47beb0cb2ba05b842459e0806a813764772a3a400552acd949012b7abdaeac7e669594875ff5e1d8da739e9115806c996d
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZGXStYUqMuz1:c8y93KQjy7G55riF1cMo039tYUq

Score

5^/10

discovery upx

Malware Config

Signatures

UPX packed file 2 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4380-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4380-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
740	4380	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	4380	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2384 wrote to memory of 4380	2384	rundll32.exe	83
PID 2384 wrote to memory of 4380	2384	rundll32.exe	83
PID 2384 wrote to memory of 4380	2384	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5f90f6c4cf591f5b6850f31115ed027d36fb1163b352b21ee9c424088576f1aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2384
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\f5f90f6c4cf591f5b6850f31115ed027d36fb1163b352b21ee9c424088576f1aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4380
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4380 -s 704
    3⤵
    - Program crash
    PID:740

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4380 -ip 4380
1⤵
PID:872

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

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/4380-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/4380-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download