Behavioral task
behavioral1
Sample
4ebd63449193b8fdbd0c0315f8e33e10N.exe
Resource
win7-20240705-en
General
-
Target
4ebd63449193b8fdbd0c0315f8e33e10N.exe
-
Size
2.9MB
-
MD5
4ebd63449193b8fdbd0c0315f8e33e10
-
SHA1
31d7b7aee638dfdbfb2e2f009d27ad30637f5953
-
SHA256
7d21bbbcb3e0f709dd351c1edc4d52efae8da0edf341121c17a6cfb1a9ecc7b2
-
SHA512
354555aa35ebb991302e12c36d1698646d7fcbbad8b6e77eda7255a0c7db4447c2d9bfb8a5669d1e93ba76f14624934646bcb2517c7a45a6ce051519371cf3e8
-
SSDEEP
49152:yPXGSVuFey6JK1TGcbEtiAobDv4Rza32ehyfT:yPXdw6JkTGcbEEA
Malware Config
Extracted
quasar
1.4.0
Proxy
45.66.231.154:45764
80038a66-0dbb-4135-8eb1-4ce5a34ce41b
-
encryption_key
2AA07B1B146EEAF9933214208B2004177FE4FA46
-
install_name
svchost.exe
-
log_directory
svchostetw
-
reconnect_delay
3000
-
startup_key
svchost
-
subdirectory
Microsoft Windows
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource 4ebd63449193b8fdbd0c0315f8e33e10N.exe
Files
-
4ebd63449193b8fdbd0c0315f8e33e10N.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: 2.9MB - Virtual size: 2.9MB
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