Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240221-en
General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
31f02498a247da63ebb0cac0a727d73e
-
SHA1
ca80cd90c46c6b19528f3ba7185b8d2222345140
-
SHA256
76e762cc7073a3bdee1117c79fd7ab7fcaf8bf1e393d25e165f59ca30ebd2dbf
-
SHA512
6279f4134ba81a649743037dc3c9c57f7862b63f77d6eeaeff15974761e2624e3c062becdf1c96579562eca5fc3415cf615a40e874f3a481c79a92375a8b8994
-
SSDEEP
49152:6v7I22SsaNYfdPBldt698dBcjHQBRJ6UbR3LoGdFTHHB72eh2NT:6vE22SsaNYfdPBldt6+dBcjHQBRJ6e
Malware Config
Extracted
quasar
1.4.1
walmart
play.funpass.services:4782
54aaaa02-4a8c-4cb9-9e9e-7eb8df40f4cd
-
encryption_key
CEAEA9FD2F3E18352164BB4D9A6F56EFF5E2D896
-
install_name
MusNotifyIcon.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Update
-
subdirectory
System32
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