General
-
Target
R0X-Built.exe
-
Size
409KB
-
MD5
2812f62b21fe2118e1259169e015b054
-
SHA1
e96a2077f063b0c5fc9708f9c1e89283999e4211
-
SHA256
c2fac5230442f151a25ac8b3765caa659ecfe9e32e4e45e6e8097365a9a14436
-
SHA512
bf5e18186402fcfd5dcd79bbbbe382ff9754e69098b6477dcef8cb3d69d71d67857fe6caf2362ed14aaf79412afb396a0f829a44335b31b7497ce0f690bb2aa2
-
SSDEEP
6144:cMP9p1kREG60olVji9QzNg/IiSjFqBFK6WbMN6Y44vZqJBWAb7yMTj:XpiREGJ2ji9QyAhK/N6gBqJBj7yMTj
Malware Config
Extracted
quasar
3.1.5
Slave
192.168.1.20:4782
localhost:4782
$Sxr-3vDee7FzoJnhqjuE3n
-
encryption_key
hwZQsCIcvotNKosjYueb
-
install_name
$srr-powershell.exe
-
log_directory
Logs
-
reconnect_delay
1000
-
startup_key
$srr-mstha
-
subdirectory
Windows
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource R0X-Built.exe
Files
-
R0X-Built.exe.exe windows:4 windows x86 arch:x86
f34d5f2d4577ed6d9ceec516c1f5a744
Headers
DLL Characteristics
IMAGE_DLLCHARACTERISTICS_HIGH_ENTROPY_VA
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: 405KB - Virtual size: 405KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - Virtual size: 2KB
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