General
-
Target
better.exe
-
Size
3.1MB
-
MD5
47ec64e3d129b23c44f417cbc2a07aa7
-
SHA1
e65fbcf69e6e808ebe7bc9b13e483c5fc80d5fa2
-
SHA256
ccb17adb4b57a95a61acb010c01da98dc150be67a85df2ab40ba9d1f078f8373
-
SHA512
52247a235b708e98efcf977fd109344e16df9c5a9f13ad5afd395df3f009d9ee6edf81fef9d74a31a9fdec1f851e61642912eb9bc8384b39042b70f9d8b7d510
-
SSDEEP
49152:PvrlL26AaNeWgPhlmVqvMQ7XSKTxPEakPk/LCyoGdzTHHB72eh2NT:PvRL26AaNeWgPhlmVqkQ7XSKTxhv
Malware Config
Extracted
quasar
1.4.1
Office04
himato667-58401.portmap.host:58401
0e2bc079-3316-407c-a26f-115195d9fe5b
-
encryption_key
D14CC6B8490A41A48C1E115285B6932B9A857EA0
-
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 better.exe
Files
-
better.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