Windows 7 deprecation
Windows 7 will be removed from tria.ge on 2025-03-31
Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20241023-en
General
-
Target
Client-built.exe
-
Size
502KB
-
MD5
9df20812514dfcb87a556a5ef71d72bc
-
SHA1
798340d0ab815844690c29db3e791537690b752a
-
SHA256
e352a653ea9ba91b1d3d6c3c71695c27b4c0fa0ab90ed1c23cbbd2a22b9efece
-
SHA512
784f850c7abfb9d8d128cfdd906f7d1856898b6ffb58d9a6e86bd1ea629f2574f683f3cd60d0defdd8eea244705f81248f55d27827271f34a26e77250be64398
-
SSDEEP
12288:RTEgdfYnxUjmOad344ywgmpaO+gQvcdS:SUwMAd/ywgmpaO+gQvcdS
Malware Config
Extracted
quasar
1.4.0
Office04
192.168.56.1:4782
0623266f-d360-4056-9f63-ed81b7a11fdf
-
encryption_key
CAC47E124130EBD3A11EBA5B8DAA79439482A0B5
-
install_name
Broker.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Broker
-
subdirectory
Broker
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: 498KB - Virtual size: 497KB
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