Description
Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
General
Target
Size
Sample
2e0a35235d3eaf1073af214c45b50f60639cd9e9050b990611302493caf666a5
137KB
220622-pr1acshba9
Score
10/10
MD5
SHA1
SHA256
SHA512
2ccea0b6d24c740b88eb1ac98db1548f
38fc1c6b54b9d0804340d99f9e0c14bd566c4dad
2e0a35235d3eaf1073af214c45b50f60639cd9e9050b990611302493caf666a5
a0b225e1835efd43fb69b2c429da8bef2a30a518ab59940e9d35bab45cc37c1d5817ede5f07b5995ceec2d0d292fb850d736003a8222a43c8214432addce5d0e
Malware Config
Extracted
| Family | tofsee |
| C2 |
43.231.4.7 lazystax.ru |
Targets
Target
MD5
Filesize
2e0a35235d3eaf1073af214c45b50f60639cd9e9050b990611302493caf666a5
2ccea0b6d24c740b88eb1ac98db1548f
137KB
Score
10/10
SHA1
SHA256
SHA512
38fc1c6b54b9d0804340d99f9e0c14bd566c4dad
2e0a35235d3eaf1073af214c45b50f60639cd9e9050b990611302493caf666a5
a0b225e1835efd43fb69b2c429da8bef2a30a518ab59940e9d35bab45cc37c1d5817ede5f07b5995ceec2d0d292fb850d736003a8222a43c8214432addce5d0e
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