General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
166af528282b4b7f8c10dfca4962967b
-
SHA1
867830643738d347986efdf2518b0e2f47d198f2
-
SHA256
4c5dfbde4c93461944d09105978b6ef2b1f06597e86ad3f18ed58088d089d810
-
SHA512
fcaeae0a190863ae18b6fe3ca7df9b7f2d7b886f59ea4304005ee9f90eda8a383dcdb8495e48b7b807e90ec6c2ef4b5ac03f677e181ba746c1e5be57aa08bac5
-
SSDEEP
49152:7vyI22SsaNYfdPBldt698dBcjHpkRJ6WbR3LoGdz+ITHHB72eh2NT:7vf22SsaNYfdPBldt6+dBcjHpkRJ6Q
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.1.8:4782
0e34b216-c0c6-4e13-8712-aff71d66d3e1
-
encryption_key
6276AD1EA4D18B72C7BF3DCF7F57EFB651040388
-
install_name
bymolkene.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 Client-built.exe
Files
-
Client-built.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