1b104f6317abdb413fbb3452e006ca7141033e67a66064957bd23b62e566da38

Analysis

max time kernel
148s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20250129-en
resource tags

arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system
submitted
03/02/2025, 20:30

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General

Target

1b104f6317abdb413fbb3452e006ca7141033e67a66064957bd23b62e566da38.dll
Size

76KB
MD5

d73aeaf2550d1df47f034f03f137d7a0
SHA1

7694ee7369dd4c7140c7dc0ba3d5b580a29f10df
SHA256

1b104f6317abdb413fbb3452e006ca7141033e67a66064957bd23b62e566da38
SHA512

a5872c234ba268414b7d7cc321b154cfb06dc2102a0d1e173207233105d7e78cf9a373d48c638266027c0d6f4d8d28b932f909df17f18fecf432123de8115d2c
SSDEEP

1536:YjV8y93KQpFQmPLRk7G50zy/riF12jvRyo0hQk7ZTKMvw5Bf:c8y93KQjy7G55riF1cMo03Lvu

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/4752-0-0x0000000010000000-0x0000000010030000-memory.dmp	upx
behavioral2/memory/4752-2-0x0000000010000000-0x0000000010030000-memory.dmp	upx

Program crash 1 IoCs

pid	pid_target	Process	procid_target
2316	4752	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	4752	rundll32.exe

Suspicious use of WriteProcessMemory 3 IoCs

description	pid	Process	procid_target
PID 1224 wrote to memory of 4752	1224	rundll32.exe	83
PID 1224 wrote to memory of 4752	1224	rundll32.exe	83
PID 1224 wrote to memory of 4752	1224	rundll32.exe	83

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b104f6317abdb413fbb3452e006ca7141033e67a66064957bd23b62e566da38.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:1224
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\1b104f6317abdb413fbb3452e006ca7141033e67a66064957bd23b62e566da38.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of AdjustPrivilegeToken
  PID:4752
- - C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -u -p 4752 -s 700
    3⤵
    - Program crash
    PID:2316

C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4752 -ip 4752
1⤵
PID:5036

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/4752-0-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

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memory/4752-2-0x0000000010000000-0x0000000010030000-memory.dmp

Filesize
192KB

Download