73b665f83fc575e66016161be343c3c763d693c29c9b8a98efbe93e13b1874bd

Analysis

max time kernel
94s
max time network
98s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
26-12-2024 09:12

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General

Target

73b665f83fc575e66016161be343c3c763d693c29c9b8a98efbe93e13b1874bdN.dll
Size

203KB
MD5

2ca112a321467f547a81b33e6f301410
SHA1

a98876eb6e85332647fb956635dd0935eb9e91ef
SHA256

73b665f83fc575e66016161be343c3c763d693c29c9b8a98efbe93e13b1874bd
SHA512

b6f21ffb0e13d54d1ccc030a478a17bb7f16da513ef3ab83e81f4911d10b588234d4debd975c88cbc504f7bc34477143e170eca7143372aa7bc68bf96d0bf081
SSDEEP

3072:hJ8IMILmCa3yx6oFEdgVXnFYf7C9Ugfxm3Nep9viMq5:0kmCaiEoFEd+FYOtxmdeviMq5

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/1524-0-0x0000000010000000-0x0000000010033000-memory.dmp	upx
behavioral2/memory/1524-1-0x0000000010000000-0x0000000010033000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
760	1524	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	1524	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3660 wrote to memory of 1524	3660	rundll32.exe	83
PID 3660 wrote to memory of 1524	3660	rundll32.exe	83
PID 3660 wrote to memory of 1524	3660	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73b665f83fc575e66016161be343c3c763d693c29c9b8a98efbe93e13b1874bdN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3660
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\73b665f83fc575e66016161be343c3c763d693c29c9b8a98efbe93e13b1874bdN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:1524
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 1524 -s 716
    3⤵
    - Program crash
    PID:760

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1524 -ip 1524
1⤵
PID:3676

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/1524-0-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

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memory/1524-1-0x0000000010000000-0x0000000010033000-memory.dmp

Filesize
204KB

Download