Behavioral task
behavioral1
Sample
VXC.exe
Resource
win10-20240404-en
Behavioral task
behavioral2
Sample
VXC.exe
Resource
win10v2004-20240508-en
General
-
Target
VXC.exe
-
Size
3.1MB
-
MD5
96b9350911d22e60e7ab330a0f08dc0c
-
SHA1
f6c95cc0ed4c4e22d4f1ba076e683a8b4a7f2bd5
-
SHA256
559cb61fa646bb500d0063a6f7f8efbe1b4004e41c5a0798d7e3bf031c24f4b3
-
SHA512
18a9fe0e72d0dd194a071bda8e6f4f584dd9241447b5ee1be4b0ca2bc8e1dc662bca506f3c2b9a664857569a629b5ea3d1c00e6920803c19c5c93b4a4668131c
-
SSDEEP
49152:fvlI22SsaNYfdPBldt698dBcjHMYR16obR3RoGdcTHHB72eh2NT:fvu22SsaNYfdPBldt6+dBcjHMYR16g
Malware Config
Extracted
quasar
1.4.1
Shiba
mexico-aviation.gl.at.ply.gg:49156
804b63a0-8808-4196-8975-fa200de96c00
-
encryption_key
A88D7FED7F655EBDC4F99C21BAE5EC62300AADC7
-
install_name
$sxr-insta.exe
-
log_directory
$sxr-logs
-
reconnect_delay
1000
-
startup_key
$sxr-mstha
-
subdirectory
$sxr-start
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource VXC.exe
Files
-
VXC.exe.exe windows:4 windows x86 arch:x86
Password: geageavjzovjsposvkqapvokgeageavjzovjsposvkqapvokgeageavjzovjsposvkqapvokgeageavjzovjsposvkqapvokgeageavjzovjsposvkqapvokgeageavjzovjsposvkqapvok
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_DYNAMIC_BASE
IMAGE_DLLCHARACTERISTICS_NX_COMPAT
IMAGE_DLLCHARACTERISTICS_NO_SEH
IMAGE_DLLCHARACTERISTICS_TERMINAL_SERVER_AWARE
File Characteristics
IMAGE_FILE_EXECUTABLE_IMAGE
IMAGE_FILE_32BIT_MACHINE
Imports
mscoree
_CorExeMain
Sections
.text Size: 3.1MB - Virtual size: 3.1MB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 7KB - Virtual size: 6KB
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_READ
.reloc Size: 512B - Virtual size: 12B
IMAGE_SCN_CNT_INITIALIZED_DATA
IMAGE_SCN_MEM_DISCARDABLE
IMAGE_SCN_MEM_READ