73da593fcb8609a7412f95345a56d8c17b410494f47b999fbac56c103a32910e

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
26-12-2024 15:10

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General

Target

73da593fcb8609a7412f95345a56d8c17b410494f47b999fbac56c103a32910eN.dll
Size

76KB
MD5

7aaf6740bdb9898be9db59fa897db680
SHA1

d81b9df8dfa7a8808b0327ba45aea88df03465d7
SHA256

73da593fcb8609a7412f95345a56d8c17b410494f47b999fbac56c103a32910e
SHA512

2d4144319f6f08a376b61ae56adbb8897bda432b8576f00d852cb4397537c8b5177e2bb30fb715a1c7d27fbb266834a508f862e3bd5c7eb170a30ad899ad5bf8
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Zpie/kcX2:c8y93KQjy7G55riF1cMo03m9

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/636-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/636-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4000	636	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	636	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 4468 wrote to memory of 636	4468	rundll32.exe	83
PID 4468 wrote to memory of 636	4468	rundll32.exe	83
PID 4468 wrote to memory of 636	4468	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\73da593fcb8609a7412f95345a56d8c17b410494f47b999fbac56c103a32910eN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4468
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\73da593fcb8609a7412f95345a56d8c17b410494f47b999fbac56c103a32910eN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:636
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 636 -s 712
    3⤵
    - Program crash
    PID:4000

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 636 -ip 636
1⤵
PID:2116

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/636-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/636-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download