Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20250207-en
General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
9f363517377578ac3d7fbb253dcaaf8d
-
SHA1
d79d53e00bac8145fe06602fe1479d4770d31ab1
-
SHA256
6e17449148526f2169e2d0fdcedd5f599b17e953b29662f74ca0f534ba44589b
-
SHA512
0424519b17c3511124d8a7ab6b9e0700106ef01bb157ded9a99cbcb2b599e6f59ea7b235d35ebfe10c1836680eb449d719790641f72d5504232c4c2bd977e73f
-
SSDEEP
49152:rvCI22SsaNYfdPBldt698dBcjHXAWEpMf/GoGd+THHB72eh2NT:rvP22SsaNYfdPBldt6+dBcjHXAWE5
Malware Config
Extracted
quasar
1.4.1
Office04
wexodi1642-33696.portmap.host:33696
05043f17-0876-45f5-b27b-7f630638e515
-
encryption_key
F4CF0CA55402CFB88BBBA236836AC2C8F476EAF1
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Steam
-
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