General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
8152b58d673e401055d6aea447b6bab8
-
SHA1
4de077751ceb052f7d0a08b0b60c7db31cc32df4
-
SHA256
b40ab88284056dea6bd46ad04b674f48d67fc7cdd00f3e89dcfa225d233ab3bd
-
SHA512
4eb3924d002b2ca1070ba2256177c38614b531207136561aa56948b776d61acae695e91ce6d8b967003a328ab1933438c55627ec21df77de8f3216b7044e4075
-
SSDEEP
49152:rvWI22SsaNYfdPBldt698dBcjHBCz1JjLoGdKuTHHB72eh2NT:rv722SsaNYfdPBldt6+dBcjHBCDa
Malware Config
Extracted
quasar
1.4.1
KDOTCrypt
159.203.126.35:22653
417ef71d-ad1d-49a7-bc17-ae3b952a30dc
-
encryption_key
92470F4731518ABFA77DC89068544FB7E7B7C459
-
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