026ef1aaccc2196a5c5704f86eb680cd3417fe84e11f505cc78e751e41d916c2

Analysis

max time kernel
148s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
21-12-2024 03:19

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General

Target

026ef1aaccc2196a5c5704f86eb680cd3417fe84e11f505cc78e751e41d916c2.dll
Size

2.4MB
MD5

47f22dd52ff5b4e92219a72628a53b7f
SHA1

493a174bdbf8d0f4f50f6ff2a35bee282258a893
SHA256

026ef1aaccc2196a5c5704f86eb680cd3417fe84e11f505cc78e751e41d916c2
SHA512

80b642e5f1816ebefbf2f5236d9ccbee88be6273238e4fc7470b29d8e5224400ca0fb9c5b70032567f815edd6ceeba484bb47edbf6f31bc095f0f8e29c3249ee
SSDEEP

49152:COPYIvNlT+VcFPcEaN/z53wJWqq2NHJPoAlA:zHuE/N

Score

5^/10

discovery upx

Malware Config

Signatures

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\SysWOW64\Dult.dll	rundll32.exe

UPX packed file 3 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral2/memory/4900-0-0x0000000002BC0000-0x0000000002BD9000-memory.dmp	upx
behavioral2/memory/4900-1-0x0000000002BC0000-0x0000000002BD9000-memory.dmp	upx
behavioral2/memory/4900-3-0x0000000002BC0000-0x0000000002BD9000-memory.dmp	upx

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	4900	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 2616 wrote to memory of 4900	2616	rundll32.exe	82
PID 2616 wrote to memory of 4900	2616	rundll32.exe	82
PID 2616 wrote to memory of 4900	2616	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\026ef1aaccc2196a5c5704f86eb680cd3417fe84e11f505cc78e751e41d916c2.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:2616
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\026ef1aaccc2196a5c5704f86eb680cd3417fe84e11f505cc78e751e41d916c2.dll,#1
  2⤵
  - Drops file in System32 directory
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4900

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

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Downloads

memory/4900-0-0x0000000002BC0000-0x0000000002BD9000-memory.dmp

Filesize
100KB

Download
memory/4900-1-0x0000000002BC0000-0x0000000002BD9000-memory.dmp

Filesize
100KB

Download
memory/4900-3-0x0000000002BC0000-0x0000000002BD9000-memory.dmp

Filesize
100KB

Download