Behavioral task
behavioral1
Sample
svhost.exe
Resource
win7-20240903-en
General
-
Target
svhost.exe
-
Size
502KB
-
MD5
e3cfe28100238a1001c8cca4af39c574
-
SHA1
9b80ea180a8f4cec6f787b6b57e51dc10e740f75
-
SHA256
78f9c811e589ff1f25d363080ce8d338fa68f6d2a220b1dd0360e799bbc17a12
-
SHA512
511e8a150d6539f555470367933e5f35b00d129d3ed3e97954da57f402d18711dfc86c93acc26f5c2b1b18bd554b8ea4af1ad541cd2564b793acc65251757324
-
SSDEEP
6144:xTEgdc0YtX7IxUpGREWutr/mrBcgP+cbbWTtySdcE8Ob8F7mvAXi8exPLcTR3y:xTEgdfY2xUT/FxqWTtnMpSvADmcdy
Malware Config
Extracted
quasar
1.4.0
svhost
151.177.61.79:4782
a148a6d8-1253-4e62-bc5f-c0242dd62e69
-
encryption_key
5BEC1A8BC6F8F695D1337C51454E0B7F3A4FE968
-
install_name
svhost.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
svhost
-
subdirectory
svhost
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource svhost.exe
Files
-
svhost.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