Behavioral task
behavioral1
Sample
ratXD.exe
Resource
win7-20240221-en
General
-
Target
ratXD.exe
-
Size
3.1MB
-
MD5
9c5f2f586e52a975593d11710685f846
-
SHA1
887006a6849b22cfbf85871e50ab33404097f654
-
SHA256
9259a4e7b71dc408f62faa9c6f7f73b5a906466dc9c751bfa8b23f641cc614f2
-
SHA512
c3fb61664de1248713b7c1a98d17b344a68d6a676841f174659565e043ec6aecc0c27bd4a47d815e0d19fd070054ff2ca57fb304878b284162a5b9142c2b38bf
-
SSDEEP
49152:avCI22SsaNYfdPBldt698dBcjHBY5VBxFUoGdD9THHB72eh2NT:avP22SsaNYfdPBldt6+dBcjHBY5c
Malware Config
Extracted
quasar
1.4.1
Office04
177.72.82.9:5678
62a700ff-4fdb-4af6-b871-ab8a290f0701
-
encryption_key
E0A41577673498A6E2FD27CB9AED2F6B83527072
-
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 ratXD.exe
Files
-
ratXD.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