e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3

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
21-12-2024 22:31

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General

Target

e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3N.dll
Size

76KB
MD5

a57f50949fd36d6bd1028a33da0a8de0
SHA1

566c8a16b493865608e3b3a6456806af5681b370
SHA256

e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3
SHA512

5544c447a46055b8823ccbe34b94c26e86f6aa3732569044f76dde4021829f3b482f9640cff755be1181047ea76f67ca4c91e073017d1b14069f84e699e6ec78
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7Z4YCk:c8y93KQjy7G55riF1cMo03Ofk

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/3292-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/3292-1-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
4972	3292	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	3292	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 3016 wrote to memory of 3292	3016	rundll32.exe	83
PID 3016 wrote to memory of 3292	3016	rundll32.exe	83
PID 3016 wrote to memory of 3292	3016	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3N.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:3016
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\e38c4c3b91693889e2f575743b2c2e875d05d46004dcb040da8fa183b1576bb3N.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:3292
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 716
    3⤵
    - Program crash
    PID:4972

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 3292 -ip 3292
1⤵
PID:2224

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/3292-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download
memory/3292-1-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download