Behavioral task
behavioral1
Sample
xwmy1oaJ1ZKs.exe
Resource
win7-20230831-en
General
-
Target
xwmy1oaJ1ZKs.exe
-
Size
288KB
-
MD5
d292defb89bac7be1d7f41a292887eeb
-
SHA1
56e094ea22fdde282949a4d987178a6f59b3b27b
-
SHA256
eb4f98a7aadc4eb5feceab64bd93b1d9c077510dd3cdb0efb6c733acd45b6e41
-
SHA512
f35d95111ad870bf0f675863ea609001d0a994b9388fc918a84952ecaf983d8d28a5073dd3e04a2595e8d8cb2379c652f6fbb0039f41cf4a76d764a7469fbc23
-
SSDEEP
6144:jRSjIXAnZQel5w7T4P5Kq+SMv0VGb7bDcllbkAq:o4AZrg7g9zVGkllbkV
Malware Config
Extracted
quasar
1.4.0.0
Office04
microsoft-virtualpc.duckdns.org:4782
E2YATkLA294znzRxeX
-
encryption_key
gTJCDtT0AcfvyNJB5Vqb
-
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 xwmy1oaJ1ZKs.exe
Files
-
xwmy1oaJ1ZKs.exe.exe windows 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: 285KB - Virtual size: 285KB
IMAGE_SCN_CNT_CODE
IMAGE_SCN_MEM_EXECUTE
IMAGE_SCN_MEM_READ
.rsrc Size: 2KB - 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