tofsee | ade92047b5c57eca5587d05b35bb98f36a5296fd845201cc4b3d3b284039a82c | Triage

Sharing

General

Target

93a587a1a3f231c7abb57573f000c01b_JaffaCakes118
Size

142KB
Sample

240604-fc4jsseb23
MD5

93a587a1a3f231c7abb57573f000c01b
SHA1

73924fb2fd9587e0fea4c0577e729a647009bd2e
SHA256

ade92047b5c57eca5587d05b35bb98f36a5296fd845201cc4b3d3b284039a82c
SHA512

8bed72bcad6d4c1c20900144f7e329432df514ad4425dc8afd90c7d578b970f4b57ab7c18c8160f03530d9acf81cdc6dddb3439ad057b05563ee2fed9bc661a3
SSDEEP

3072:EO8/FLfgx6rzTkYfiL2+jKfgi4m5nuGFU6W6WNE6b3U:Q9LzwFLnKP46uC

Score

10^/10

tofsee evasion execution persistence trojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

- Target
  
  93a587a1a3f231c7abb57573f000c01b_JaffaCakes118
- Size
  
  142KB
- MD5
  
  93a587a1a3f231c7abb57573f000c01b
- SHA1
  
  73924fb2fd9587e0fea4c0577e729a647009bd2e
- SHA256
  
  ade92047b5c57eca5587d05b35bb98f36a5296fd845201cc4b3d3b284039a82c
- SHA512
  
  8bed72bcad6d4c1c20900144f7e329432df514ad4425dc8afd90c7d578b970f4b57ab7c18c8160f03530d9acf81cdc6dddb3439ad057b05563ee2fed9bc661a3
- SSDEEP
  
  3072:EO8/FLfgx6rzTkYfiL2+jKfgi4m5nuGFU6W6WNE6b3U:Q9LzwFLnKP46uC
Score

10^/10

tofsee evasion execution persistence trojan
- Tofsee
  Backdoor/botnet which carries out malicious activities based on commands from a C2 server.
  trojan tofsee
- Windows security bypass
  evasion trojan
- Creates new service(s)
  persistence execution
- Modifies Windows Firewall
  evasion
- Sets service image path in registry
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Deletes itself
- Executes dropped EXE
- Suspicious use of SetThreadContext
behavioral1 behavioral2

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

System Services

Service Execution

Persistence

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Privilege Escalation

Boot or Logon Autostart Execution

Registry Run Keys / Startup Folder

Create or Modify System Process

Windows Service

Defense Evasion

Impair Defenses

Disable or Modify System Firewall

Disable or Modify Tools

Modify Registry

Credential Access

Discovery

Query Registry

System Information Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

static1

behavioral1

tofseeevasionexecutionpersistencetrojan

behavioral2

tofseeevasionexecutionpersistencetrojan