Behavioral task
behavioral1
Sample
dwdwdw.exe
Resource
win7-20240708-en
General
-
Target
dwdwdw.exe
-
Size
3.1MB
-
MD5
2918c8a614e88697a74fa44db27518f0
-
SHA1
e7f6f4cf9e8cb900e71633b628b3a3b54e90a179
-
SHA256
ace4ac0da20b7e8b91205196f973a80e117bc4cede40ea445e851382567456a4
-
SHA512
f452b243d7ed593e4d22481e02431773687f1c61783ecebf70bb8e80ce17332b9f1c1a4cb21760770dcbb0adef22ab6c4196089b50a2565ba2da4d962b22b8e3
-
SSDEEP
49152:VHobtR1o2PmNXo7WCr5lkcXcIYXrYdyQTHHB72eh2NT:VHmRvmNXo7WCr5lkcXcI6/
Malware Config
Extracted
quasar
1.4.1
Office04
147.185.221.18:42996
147.185.221.18:1770
c2e1b18a-ce93-436d-ad8b-21bf89015e19
-
encryption_key
9E968F05BD874BA1BE086FD1774A027473823F49
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
Processes:
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
Processes:
resource dwdwdw.exe
Files
-
dwdwdw.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