66e205cca84352fcd1a6864184c041cd82593597aabae76ad66ad2722d8f44f1

Analysis

max time kernel
94s
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
10/12/2024, 17:48

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General

Target

66e205cca84352fcd1a6864184c041cd82593597aabae76ad66ad2722d8f44f1.dll
Size

76KB
MD5

12b09cbd3ec0137036b4e3d1d03fa9f2
SHA1

81a47d91df45fd5f778f2dee29a7300e20fe905f
SHA256

66e205cca84352fcd1a6864184c041cd82593597aabae76ad66ad2722d8f44f1
SHA512

36a6e020828b9231e8fc83d93f646c761b61beb7bc1fae81f756aeb56e662f0d9abda78c59bee4285a8d42834a3e22bb3d4f7adea0caadb7d7628e9713df364b
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZWdkZdi9rj:c8y93KQjy7G55riF1cMo03MkZdaj

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/3992-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3992-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
3704	3992	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	3992	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1820 wrote to memory of 3992	1820	rundll32.exe	83
PID 1820 wrote to memory of 3992	1820	rundll32.exe	83
PID 1820 wrote to memory of 3992	1820	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\66e205cca84352fcd1a6864184c041cd82593597aabae76ad66ad2722d8f44f1.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1820
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\66e205cca84352fcd1a6864184c041cd82593597aabae76ad66ad2722d8f44f1.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3992
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3992 -s 712
    3⤵
    - Program crash
    PID:3704

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3992 -ip 3992
1⤵
PID:4608

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/3992-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/3992-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download