Analysis
-
max time kernel
131s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
31-05-2023 13:16
Behavioral task
behavioral1
Sample
bNcd.exe
Resource
win7-20230220-en
General
-
Target
bNcd.exe
-
Size
348KB
-
MD5
327bb4dfec8cfc425678b2a9afc6d592
-
SHA1
da7e52a4666e8fb50f04453e2966954f2aeb9174
-
SHA256
575a2f0d48c457c8dcc8d5ef5a964adbb50b48c7dda5d35592e1db58f8401a98
-
SHA512
daeae0c7ddaf892576a0f7e51898c666dfa139ec37f311996ff57119b0a98e48bdd6e56e191ed40bc2882a77715845fe875ed0bd2fab16e805669055cd67f9c0
-
SSDEEP
6144:37qQ4i1FFiEK5zLuDl+BTlbRjlV4dFsiz7fKUB+q:rpliRySvIsi/fKUcq
Malware Config
Extracted
quasar
1.3.0.0
Office04
cryptersandtools.ddns.com.br:5552
QSR_MUTEX_PV7LCoiUmiwD1RBPCq
-
encryption_key
2yfSzdUNgSe9EVCk7VEH
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Quasar Client Startup
-
subdirectory
SubDir
Signatures
-
Quasar payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/3948-133-0x0000000000CE0000-0x0000000000D3E000-memory.dmp family_quasar -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 15 ip-api.com -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
bNcd.exedescription pid process Token: SeDebugPrivilege 3948 bNcd.exe
Processes
Network
MITRE ATT&CK Matrix
Replay Monitor
Loading Replay Monitor...
Downloads
-
memory/3948-133-0x0000000000CE0000-0x0000000000D3E000-memory.dmpFilesize
376KB
-
memory/3948-134-0x0000000005BE0000-0x0000000006184000-memory.dmpFilesize
5.6MB
-
memory/3948-135-0x00000000056D0000-0x0000000005762000-memory.dmpFilesize
584KB
-
memory/3948-136-0x00000000055A0000-0x00000000055B0000-memory.dmpFilesize
64KB
-
memory/3948-137-0x0000000005630000-0x0000000005696000-memory.dmpFilesize
408KB
-
memory/3948-138-0x0000000005BB0000-0x0000000005BC2000-memory.dmpFilesize
72KB
-
memory/3948-139-0x0000000006A10000-0x0000000006A4C000-memory.dmpFilesize
240KB
-
memory/3948-140-0x00000000055A0000-0x00000000055B0000-memory.dmpFilesize
64KB
-
memory/3948-141-0x0000000006BD0000-0x0000000006BDA000-memory.dmpFilesize
40KB