General
-
Target
OperaSetup.exe
-
Size
3.1MB
-
MD5
f713bf56ee07e9249115407a3ab956ec
-
SHA1
3b057cdb4c2d3250c479b31fd8c778e3000af063
-
SHA256
23f46b2324ef959ac7e6c77af2e3ad207a54dbda8aa8c384696fd00dc930bafa
-
SHA512
843f9ca18ccdd60406ac234637c7524b3557d1f2f5d235c9da5a27c7e31560f384527a2c2c2325d833a03ece2012fe6b387eb2a740cba7dfe98d7058970449b8
-
SSDEEP
49152:Bvht62XlaSFNWPjljiFa2RoUYILaTpE1Wk/cloGdSKTHHB72eh2NT:BvL62XlaSFNWPjljiFXRoUYILax
Malware Config
Extracted
quasar
1.4.1
Opera
0.tcp.eu.ngrok.io:12857
757c01c8-4047-47b2-8a5f-25c063742f99
-
encryption_key
F0EAB171A5D243B6A342E6A883BB228506B7CA17
-
install_name
OperaSetup.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Opera Launcher
-
subdirectory
Opera Software
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource OperaSetup.exe
Files
-
OperaSetup.exe.exe windows x86
Password: ffff
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: 33KB - Virtual size: 32KB
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