Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
c9861630ff205557654616ce62525119
-
SHA1
5c60d40d59b7795186022c630b232a5dcead5ef3
-
SHA256
bfd658e5b67652b3574a7414ca89d4a4b5b15c25cd789226a6cb897351a44a53
-
SHA512
18b660b4a927534febca8e2a4a71a872ff1762c197a304be8bdd45337d30d193ea0da3900cb36ff8fd0fb3e40bfe999d9cdd8290814edca1a4a1ea57d3dfe4d8
-
SSDEEP
49152:tv+lL26AaNeWgPhlmVqvMQ7XSKeQRJ6CbR3LoGdYTHHB72eh2NT:tvuL26AaNeWgPhlmVqkQ7XSKeQRJ68
Malware Config
Extracted
quasar
1.4.1
Office04
/meming-28826.portmap.host:28826
0d852c3a-6700-4e42-85af-0da8a2a2fd2a
-
encryption_key
B323B6B4414256836290414EF6F85AFA580A2B68
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
System Notification Tray
-
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: 12KB - Virtual size: 12KB
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