Description
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
General
Target
Size
Sample
3bf66140ed49d2b71c6674e064b26d605f196ec45b99cc2392802313918cd4ed
104KB
220703-k1trqafbh3
Score
10/10
MD5
SHA1
SHA256
SHA512
cfce7e045cb6ed8bdcab5460ea2ff37a
6bdc0c47643df5da4a583b0e23a8572a90d27ecd
3bf66140ed49d2b71c6674e064b26d605f196ec45b99cc2392802313918cd4ed
41d25210921915a7163daa4433a61f8c865a64829fa1d1ffd50a2dea7aa8aef66d3e7ed52229bac9e181c20b21543a3cb92251edcdce738e1735010bdba01279
Malware Config
Extracted
| Family | tofsee |
| C2 |
43.231.4.7 lazystax.ru |
Targets
Target
MD5
Filesize
3bf66140ed49d2b71c6674e064b26d605f196ec45b99cc2392802313918cd4ed
cfce7e045cb6ed8bdcab5460ea2ff37a
104KB
Score
10/10
SHA1
SHA256
SHA512
6bdc0c47643df5da4a583b0e23a8572a90d27ecd
3bf66140ed49d2b71c6674e064b26d605f196ec45b99cc2392802313918cd4ed
41d25210921915a7163daa4433a61f8c865a64829fa1d1ffd50a2dea7aa8aef66d3e7ed52229bac9e181c20b21543a3cb92251edcdce738e1735010bdba01279
Tags
Signatures
-
Tofsee
-
Windows security bypass
Tags
TTPs
-
Creates new service(s)
Tags
TTPs
-
Executes dropped EXE
-
Modifies Windows Firewall
Tags
TTPs
-
Sets service image path in registry
Tags
TTPs
-
Checks computer location settings
Description
Looks up country code configured in the registry, likely geofence.
TTPs
-
Deletes itself
-
Suspicious use of SetThreadContext
Related Tasks
MITRE ATT&CK Matrix
Collection
Command and Control
Credential Access
Defense Evasion
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Privilege Escalation
Tasks
static1
Score
N/A
behavioral1
Score
10/10
behavioral2
Score
10/10