Behavioral task
behavioral1
Sample
Client.exe
Resource
win7-20231215-en
General
-
Target
Client.exe
-
Size
3.1MB
-
MD5
f675d1feef66a26866699b1280b83059
-
SHA1
57304b04cb660eb32e1c096ea005613be24751b0
-
SHA256
e5bbcc08742357941d284511b0a7e9528ccc6a7bb9fa8d544cadf2b97f19e8da
-
SHA512
45426a3bf5c621674366873d21b15d93a242afaa46bd1fec090f66e6a45ae0b2f0d92cb4366cb5cd9892853d3bfe62e7436e34182c61bd798cf0d78f5e0c20e0
-
SSDEEP
49152:evpt62XlaSFNWPjljiFa2RoUYIRVRJ6vbR3LoGd6oTHHB72eh2NT:evj62XlaSFNWPjljiFXRoUYIRVRJ6B
Malware Config
Extracted
quasar
1.4.1
Office04
127.0.0.1:4782
dddae26e-19ae-4641-a0b3-370dc2b0eb6d
-
encryption_key
6A7C56E1B410B5097B25601FCD02952811105EB8
-
install_name
cmiv2.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
cmiv2
-
subdirectory
AdvancedInstallers
Signatures
-
Quasar family
-
Quasar payload 1 IoCs
resource yara_rule sample family_quasar -
Unsigned PE 1 IoCs
Checks for missing Authenticode signature.
resource Client.exe
Files
-
Client.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