General
-
Target
New1.bat
-
Size
1002KB
-
Sample
240528-qzvwaaff9t
-
MD5
f6d5bfaee8a55ff72c7b453fda066d62
-
SHA1
7d737d53013990e5d05076b7206e43eb4793fc7f
-
SHA256
3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308
-
SHA512
e300c15bef9e898e7abd4ecf6759c0e60829e8d9b507e257359b0c0342c56d56adf7924c76ffbbee4c42e1b1ea229b7032d177849d2668720090780190b7f284
-
SSDEEP
12288:NzPPeJOTZMGuIl99I2FxGwvYXDSeengmfn5tKvy0H5JbcGfRZIJZ32hxnQxCGaF9:NDeYum99IGP8f2rRO5JFPIJZ8GaF8XmB
Static task
static1
Behavioral task
behavioral1
Sample
New1.bat
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
New1.bat
Resource
win10v2004-20240508-en
Malware Config
Extracted
quasar
-
reconnect_delay
3000
Extracted
quasar
3.1.5
Video
runderscore00-25501.portmap.host:25501
$Sxr-oWTh3ZS9htfe80iIl5
-
encryption_key
zK8u0rpHf4TJzGf65Flt
-
install_name
Win11.exe
-
log_directory
$sxr-Logs
-
reconnect_delay
3000
-
startup_key
Windows 11 Boot
-
subdirectory
Win11
Targets
-
-
Target
New1.bat
-
Size
1002KB
-
MD5
f6d5bfaee8a55ff72c7b453fda066d62
-
SHA1
7d737d53013990e5d05076b7206e43eb4793fc7f
-
SHA256
3ff8b6a041a96625d730dfe770eb6e84be8ce99fc50a0027724e48394f053308
-
SHA512
e300c15bef9e898e7abd4ecf6759c0e60829e8d9b507e257359b0c0342c56d56adf7924c76ffbbee4c42e1b1ea229b7032d177849d2668720090780190b7f284
-
SSDEEP
12288:NzPPeJOTZMGuIl99I2FxGwvYXDSeengmfn5tKvy0H5JbcGfRZIJZ32hxnQxCGaF9:NDeYum99IGP8f2rRO5JFPIJZ8GaF8XmB
-
Quasar payload
-
Suspicious use of NtCreateUserProcessOtherParentProcess
-
Blocklisted process makes network request
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Drops file in System32 directory
-
Suspicious use of SetThreadContext
-