def816b9d2525b8ca104169d12d473f06503aadc3386038cc1d176ed41e8262a

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
04-01-2025 07:28

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General

Target

def816b9d2525b8ca104169d12d473f06503aadc3386038cc1d176ed41e8262aN.dll
Size

76KB
MD5

b57c746ef1f55dbd4e196f88db1d0da0
SHA1

81e202ff4947cfe6a4c484077bde1209291f0c2f
SHA256

def816b9d2525b8ca104169d12d473f06503aadc3386038cc1d176ed41e8262a
SHA512

853cdc6fcf5f204e4f3a858fc6f33c789580ba70a5beb0da45b39a397d7c6a3ec84a1c5780195d78cb3ac6b9b10e1ecff2b0f6ff3f46ff30d0ca9b92e32e9f80
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zj5:c8y93KQjy7G55riF1cMo03/

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/388-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/388-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4456	388	WerFault.exe	82

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	388	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1840 wrote to memory of 388	1840	rundll32.exe	82
PID 1840 wrote to memory of 388	1840	rundll32.exe	82
PID 1840 wrote to memory of 388	1840	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\def816b9d2525b8ca104169d12d473f06503aadc3386038cc1d176ed41e8262aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1840
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\def816b9d2525b8ca104169d12d473f06503aadc3386038cc1d176ed41e8262aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:388
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 388 -s 700
    3⤵
    - Program crash
    PID:4456

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 388 -ip 388
1⤵
PID:840

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/388-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/388-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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