d76b8e2dd0a4cbf54927a170071c08d86b10f58d437ce2770f9b0eb2adbba77a

Analysis

max time kernel
94s
max time network
95s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-10-2024 09:38

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General

Target

d76b8e2dd0a4cbf54927a170071c08d86b10f58d437ce2770f9b0eb2adbba77aN.dll
Size

76KB
MD5

39062f858bf3bf77ffe1e925207b9470
SHA1

c847508963e61e958e44ed9bd5eb1251cd9c6fb0
SHA256

d76b8e2dd0a4cbf54927a170071c08d86b10f58d437ce2770f9b0eb2adbba77a
SHA512

a08d5783eec279f92ff34592f47b1f277dcfc320ffee0a99fe7dffb5a6dd5d6cf4735f32a877bd8ffe8ddaf8b42cf229694e536af98261fa7ba19c724f83d7c9
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZbtB6bTv9I:c8y93KQjy7G55riF1cMo03ZtIbO

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/4300-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4300-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2420	4300	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	4300	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1096 wrote to memory of 4300	1096	rundll32.exe	82
PID 1096 wrote to memory of 4300	1096	rundll32.exe	82
PID 1096 wrote to memory of 4300	1096	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\d76b8e2dd0a4cbf54927a170071c08d86b10f58d437ce2770f9b0eb2adbba77aN.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1096
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\d76b8e2dd0a4cbf54927a170071c08d86b10f58d437ce2770f9b0eb2adbba77aN.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4300
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4300 -s 708
    3⤵
    - Program crash
    PID:2420

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4300 -ip 4300
1⤵
PID:4284

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/4300-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4300-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download