Behavioral task
behavioral1
Sample
b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8.exe
Resource
win7-20241010-en
General
-
Target
b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8.exe
-
Size
3.1MB
-
MD5
77de6e8143094a619804ebf2d59eb094
-
SHA1
b87fc79d0825d979314c392781b0211087e78ca2
-
SHA256
b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8
-
SHA512
fa6dcd1d8b78548e12d22098a6b9107a744b9b85dd8276c18faf601f30ada97e7f023c6e376dc929c715c308a57b1105199acdd69697a0e6930bccd7afc2a6f9
-
SSDEEP
49152:zvylL26AaNeWgPhlmVqvMQ7XSKokCP1JSLoGdatCTHHB72eh2NT:zvqL26AaNeWgPhlmVqkQ7XSKokCs
Malware Config
Extracted
quasar
1.4.1
Test
193.161.193.99:35184
67.205.154.243:35184
9cabbafb-503b-49f1-ab22-adc756455c10
-
encryption_key
8B93C77AC1C58EA80A3327E9FD26246A79EF3B8E
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
MS Build Tools
-
subdirectory
Microsoft-Build-Tools
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8.exe
Files
-
b961d39237a098049a7ba1b6c78f2f02b6f1b9e80d149593f3103aafb6b215b8.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