General
- Target fbc4fd5e3d3f2b5ccd26807e9e73498b3a3699e7efe35c624fbebcdc2c0c6314
- Size 757KB
- Sample220512-n3x4psdec4
- SHA256 fbc4fd5e3d3f2b5ccd26807e9e73498b3a3699e7efe35c624fbebcdc2c0c6314
- MD5 2957c39376a38df6aefaee72674c92af
- SHA1 f32007bbb1c99bda6e4c97b4a695e87913fd87b1
- SHA512 8cecae621972be05ab9be0071689fcf29028f63b1519c4698d531bc754af7363f7bc21dbfb1d97e75914d884ecf4e1264ff20b2903f7b11c45dc88a77ec5dcbc
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
fbc4fd5e3d3f2b5ccd26807e9e73498b3a3699e7efe35c624fbebcdc2c0c6314.exe
Resource
win7-20220414-en
0 signatures
0 seconds
Malware Config
Extracted
Family
-
quasar
Mutex
Attributes
- encryption_key
- install_name
- log_directory
-
reconnect_delay
3000
- startup_key
- subdirectory
Extracted
Family
-
quasar
Version
-
2.1.0.0
Botnet
-
Office04
C2
-
myconect.ddns.net:6606
Mutex
-
VNM_MUTEX_bW2Pm17MwUNvIYeCrf
Attributes
-
encryption_key
skMcIyTXgvAaYya6lzLD
-
install_name
Client.exe
-
log_directory
Logs
-
reconnect_delay
3000
-
startup_key
Venom Client Startup
-
subdirectory
SubDir
Targets
-
- Target fbc4fd5e3d3f2b5ccd26807e9e73498b3a3699e7efe35c624fbebcdc2c0c6314
- Size 757KB
- SHA256 fbc4fd5e3d3f2b5ccd26807e9e73498b3a3699e7efe35c624fbebcdc2c0c6314
- MD5 2957c39376a38df6aefaee72674c92af
- SHA1 f32007bbb1c99bda6e4c97b4a695e87913fd87b1
- SHA512 8cecae621972be05ab9be0071689fcf29028f63b1519c4698d531bc754af7363f7bc21dbfb1d97e75914d884ecf4e1264ff20b2903f7b11c45dc88a77ec5dcbc
- MD5 SHA1 SHA512
-
Contains code to disable Windows Defender
A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.
-
Quasar Payload
-
suricata: ET MALWARE Common RAT Connectivity Check Observed
suricata: ET MALWARE Common RAT Connectivity Check Observed
-
Executes dropped EXE
-
Adds Run key to start application
-
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
-
Suspicious use of SetThreadContext