89fdb0bd96ad5a2064cb068d36a24ad4365f025d826878971b0bf2034aa4911d

Analysis

max time kernel
93s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
18-12-2024 22:32

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General

Target

89fdb0bd96ad5a2064cb068d36a24ad4365f025d826878971b0bf2034aa4911d.dll
Size

76KB
MD5

227b508f512bcc267a19594699edbff5
SHA1

05a52a7c002730412cd4d757597039289a55d2bf
SHA256

89fdb0bd96ad5a2064cb068d36a24ad4365f025d826878971b0bf2034aa4911d
SHA512

fdd882497092d2beaa0f64b24cfd140fd1a92b53754e59b1c0bd1269520a292dcab6ef9f0fd438d7063bcd034b0fec4140c685709a88b3d6b5c8ff8d805f7db1
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZkzJe15:c8y93KQjy7G55riF1cMo03j

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/4012-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4012-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3604	4012	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	4012	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1492 wrote to memory of 4012	1492	rundll32.exe	82
PID 1492 wrote to memory of 4012	1492	rundll32.exe	82
PID 1492 wrote to memory of 4012	1492	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\89fdb0bd96ad5a2064cb068d36a24ad4365f025d826878971b0bf2034aa4911d.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1492
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\89fdb0bd96ad5a2064cb068d36a24ad4365f025d826878971b0bf2034aa4911d.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4012
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4012 -s 704
    3⤵
    - Program crash
    PID:3604

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4012 -ip 4012
1⤵
PID:4004

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/4012-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4012-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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