Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
28ab1bcff40e8063cef4448d4fc38524
-
SHA1
07f5ce5c6f5a3160b1040141e6130d32bed1edd7
-
SHA256
26bd3a83589305ae52315487497a1ba6e6e409438edbef7df14c4b29c52e64ae
-
SHA512
9780d3990d0fe28d6bc800132a49f8cd8f41509d732f7542f8b676fefd79af4c27a7e56e8be59283de432b019b155ed9ecff488b3fbdf315c6a02229c219b236
-
SSDEEP
49152:rvTlL26AaNeWgPhlmVqvMQ7XSKWURo6VbR3LoGdvTHHB72eh2NT:rvJL26AaNeWgPhlmVqkQ7XSKWURo6n
Malware Config
Extracted
quasar
1.4.1
Office04
agent-sellers.gl.at.ply.gg:4782
92c4e81f-9c37-4d95-9999-1d9c889d6132
-
encryption_key
EB7BD173527D0274DC795166855DE989150B7BE8
-
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