General
-
Target
Mercuri Update.exe
-
Size
3.1MB
-
MD5
ba64b6ffbb3a484cd6b96f1077ac5347
-
SHA1
653f030d369bc3f1377612cf8b372c9085986bd5
-
SHA256
948d003947b71983cf3c828c73d3945bdb82520d8c6bbfa403ff6a7bb4231dac
-
SHA512
be7d2a88f598a353fea7742ddedd52b50b682e7feda66fdee5e9b67167ff30c85a7a988353c227f7967d8eb64c2abc390cb85fe93cd0c2f5a73ddf877ce2f2f8
-
SSDEEP
49152:yvKI22SsaNYfdPBldt698dBcjHdGRJ6rbR3LoGdFsDTHHB72eh2NT:yvn22SsaNYfdPBldt6+dBcjHdGRJ69
Malware Config
Extracted
quasar
1.4.1
Office04
vxc-63595.portmap.host:63595
58e60463-4627-49ee-ab74-e0a77205c078
-
encryption_key
D8EDBBB13B1FB3736A6D78215174358FE3F01386
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Mercuri Update.exe
Files
-
Mercuri Update.exe.exe windows:4 windows x86 arch:x86
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: 3KB - 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