42bcd4c61e68a5dc2b7ce3b7cd2a61945ba3d8073380f46e47bb9cbdc295dc28

Analysis

max time kernel
149s
platform
windows11-21h2_x64
resource
win11-20260513-en
resource tags

arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
04/06/2026, 12:21

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General

Target
WxWorkApis.dll
Size 6.9MB
Sample260604-pjct4aev3w
SHA256 42bcd4c61e68a5dc2b7ce3b7cd2a61945ba3d8073380f46e47bb9cbdc295dc28
MD5 20f8019b945822f5f83a224a6f60a59b
SHA1 ebd528fe690321d579bbd87756a68b47ce2270d4
SHA512 211e03daec13efe3af5c204ee5c8f0d874d59abd3900654adb8933511b285fae2d2cbebf864412407b48984e5ed26763281cc09ad381caf412500ea4b3569691
SSDEEP 98304:UcThyLP7ww9Juv/BUkcYV8ASu0FL6olL/Ijct1J4cA1k5PVS0zzXAOV7Px1mDTrq:4LP0g5eNSPIcs1k1BzbAOVbHmDT
TLSH
T1407633B752681288E0DDC83A89377EE5B1F613FBCB41A8BDAED964C537215A0D213D43
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 5072 wrote to memory of 3148	5072	rundll32.exe	82

C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\WxWorkApis.dll,#1
1⤵
- Suspicious use of WriteProcessMemory
PID:5072
- C:\Windows\SysWOW64\rundll32.exe
  rundll32.exe C:\Users\Admin\AppData\Local\Temp\WxWorkApis.dll,#1
  2⤵
  - System Location Discovery: System Language Discovery
  PID:3148

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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