Behavioral task
behavioral1
Sample
Client-built.exe
Resource
win7-20240903-en
General
-
Target
Client-built.exe
-
Size
3.1MB
-
MD5
2475d4da177970b8a4a500d9aaba32f3
-
SHA1
6caf1ec2a2b6113d583ed73b95386b9674e5a0d3
-
SHA256
89688b868e42a966640988359b5f06cbfea2f93cb28415e12238d213e0e0a317
-
SHA512
d2b2fa6e589d8cc82343e1b4bff8ea85766722f8b374061ad9f77fd21f136de75751099611f7e478f91eb0a91f3aba8f4b9de1dbcb48360424f9b09ae8535044
-
SSDEEP
49152:humhH2eraca7APllSGNmeGwTK0G21E3oGvQkTHHB72eh2NT:huaH2eraca7APllSGN3GwTK0G21a
Malware Config
Extracted
quasar
1.4.1
nigger
85.209.133.15:111
95ddd19c-037b-4e62-8c64-298b31d663b8
-
encryption_key
43DE31297B50FED5B1E6867AE89B621C68EF71E2
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
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