General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
18ba5722df304f946d06dd51f1eb6e5b
-
SHA1
4b4ba8df00857906b91efae60360499b93a365fd
-
SHA256
b740db98e8a70452843496f386054924c1979183d6fc571d04eb92cb7f29b73a
-
SHA512
5f07ce682a191572f73910df17f1082b5ba9298a9a893e638fc2c07018310f0199d687dae47aeb5d150f5e0299e4ec1aa0884ee5de3abe4aaabda951b34bca21
-
SSDEEP
49152:uvyI22SsaNYfdPBldt698dBcjHMERJ6JbR3LoGdiCTHHB72eh2NT:uvf22SsaNYfdPBldt6+dBcjHMERJ6Ly
Malware Config
Extracted
quasar
1.4.1
Office04
192.168.40.122:4782
942ee276-fcd1-44b1-aa7e-cbce8dcf101a
-
encryption_key
F38746D956F52C2D74C5EA46908D0B22D4BB8A0C
-
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 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