General
- Target btwstealer_stage2.exe
- Size 62.1MB
- Sample260909-vy21eshj4s
- SHA256 b377fb7c454dea093ba4c63040f6177dd6a1ef7cf623497c043a9ce631e5d0b4
- MD5 f4109f42789a7bce1ace3a2ba786ff3b
- SHA1 21d3e177b1b038066619ddc2a67d02abd99b301a
- SHA512 70f74e7a9103d15521e1b9944c26fb16d54baf9dd2f7fa08aaf5f093519fd73f1e2bb8c2d303a28968c286d501e556ebcffaec5725df0ad423f09031574481d2
- SSDEEP 393216:f1Du8BtuBw2FEL3Z3aLUoQvo6LP/SgbSpYvKEh1EdKwlGQKPJuGsiTfREsrgCYfj:fMguj8Q4VfviqFTrYTL
- TLSH T1E7E79D1233F60162D4A3A2758B9B4103DB72B0576730CADB354C43681F9BFE4AABBB55
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
btwstealer_stage2.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
btwstealer_stage2.exe
Resource
win11ltsc2024-20260709-en
Malware Config
Targets
-
- Target btwstealer_stage2.exe
- Size 62.1MB
- SHA256 b377fb7c454dea093ba4c63040f6177dd6a1ef7cf623497c043a9ce631e5d0b4
- MD5 f4109f42789a7bce1ace3a2ba786ff3b
- SHA1 21d3e177b1b038066619ddc2a67d02abd99b301a
- SHA512 70f74e7a9103d15521e1b9944c26fb16d54baf9dd2f7fa08aaf5f093519fd73f1e2bb8c2d303a28968c286d501e556ebcffaec5725df0ad423f09031574481d2
- SSDEEP 393216:f1Du8BtuBw2FEL3Z3aLUoQvo6LP/SgbSpYvKEh1EdKwlGQKPJuGsiTfREsrgCYfj:fMguj8Q4VfviqFTrYTL
- TLSH T1E7E79D1233F60162D4A3A2758B9B4103DB72B0576730CADB354C43681F9BFE4AABBB55
- MD5 SHA1 SHA512 SSDEEP TLSH
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Executes dropped EXE
Loads dropped DLL
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Obfuscated Files or Information: Command Obfuscation
Adversaries may obfuscate content during command execution to impede detection.
Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
Executes a VBScript file via the Windows Script Host.
MITRE ATT&CK Enterprise v16
Execution
Command and Scripting Interpreter
3PowerShell
1Visual Basic
1Windows Command Shell
1Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
1Credentials In Files
1