b7aebbe8ea1993d48688e5541ebede63012021b27e633e783900d7998aaff9af

Analysis

max time kernel
149s
max time network
152s
platform
windows10-ltsc_2021_x64
resource
win10ltsc2021-20260513-en
resource tags

arch:x64arch:x86image:win10ltsc2021-20260513-enlocale:en-usos:windows10-ltsc_2021-x64systemwindows
submitted
22/05/2026, 14:02

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General

Target
System.Private.CoreLib.dll
Size 9.5MB
Sample260522-rb7evac19k
SHA256 b7aebbe8ea1993d48688e5541ebede63012021b27e633e783900d7998aaff9af
MD5 c60219cc8a4b526e23b7e5e1e9eb6da4
SHA1 73c81595aafaa78990c6c0196c071f4994505394
SHA512 c4b1abafb3f8c02f9228a6e0ceb8cac9586cfc27d2a719cad59c3becb6b0133e761f1e39583dc0f1a9ca565df638bc7c3a5032d93fe06b6b597199f4ef24bb80
SSDEEP 196608:W0QzMnkcbfKqhaaKAU+OigSxdINaNtp5s3zPmP:W0QzOrvNtp63bC
TLSH
T1D7A6AE12E7CDDF2BED89067381ABEB1992FDDA451326EBC72118D99D14227C88C712D3
MD5 SHA1 SHA512 SSDEEP TLSH

Score

3^/10

discovery

Malware Config

Signatures

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 WriteProcessMemory 1 IoCs

description	pid	Process	procid_target
PID 4564 wrote to memory of 4620	4564	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\System.Private.CoreLib.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:4564
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\System.Private.CoreLib.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:4620

Network

MITRE ATT&CK Enterprise v16

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

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v16

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