General
-
Target
btweb_installer.exe
-
Size
1.7MB
-
Sample
240616-1ygx5szfke
-
MD5
ee85d32e27209474ff43715c3da7cb5e
-
SHA1
e71e4610ca3e6ef8a87555d37bc4cb8bd58621ed
-
SHA256
ef008cd2be7aa59382fbaa9c743aaa83713938ff16316f9ed117d66cbd98abe5
-
SHA512
08f21c86ed33dcf10a81da064846ba72ccb95a97965618ab132e13b4e876e64c0e2313bc3ec200a77dd62269c80a981d16ada20f57465b5f51c7b34701a7e8d6
-
SSDEEP
24576:Z7FUDowAyrTVE3U5FXGO+E5vHwbjhV/dbAo4CczGf3TAnPq0vfdyT:ZBuZrEU6E9HIHdbYC/f3cPdXk
Static task
static1
Behavioral task
behavioral1
Sample
btweb_installer.exe
Resource
win7-20240611-en
Behavioral task
behavioral2
Sample
btweb_installer.exe
Resource
win10v2004-20240611-en
Malware Config
Targets
-
-
Target
btweb_installer.exe
-
Size
1.7MB
-
MD5
ee85d32e27209474ff43715c3da7cb5e
-
SHA1
e71e4610ca3e6ef8a87555d37bc4cb8bd58621ed
-
SHA256
ef008cd2be7aa59382fbaa9c743aaa83713938ff16316f9ed117d66cbd98abe5
-
SHA512
08f21c86ed33dcf10a81da064846ba72ccb95a97965618ab132e13b4e876e64c0e2313bc3ec200a77dd62269c80a981d16ada20f57465b5f51c7b34701a7e8d6
-
SSDEEP
24576:Z7FUDowAyrTVE3U5FXGO+E5vHwbjhV/dbAo4CczGf3TAnPq0vfdyT:ZBuZrEU6E9HIHdbYC/f3cPdXk
-
Cobalt Strike reflective loader
Detects the reflective loader used by Cobalt Strike.
-
Drops file in Drivers directory
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Adds Run key to start application
-
Checks for any installed AV software in registry
-
Downloads MZ/PE file
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Modifies powershell logging option
-
AutoIT Executable
AutoIT scripts compiled to PE executables.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Drops file in System32 directory
-
MITRE ATT&CK Matrix ATT&CK v13
Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Defense Evasion
Modify Registry
4Subvert Trust Controls
1Install Root Certificate
1