Overview

overview

10

Static

static

3

f98cc65337...18.exe

windows7-x64

10

f98cc65337...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118

  • Size

    13.2MB

  • Sample

    240419-fhq6nahd32

  • MD5

    f98cc65337ea6c995f6af7bea54a1b88

  • SHA1

    388096691f92d4cfa2123ea242dcca5b2dbaa542

  • SHA256

    033cc64af4d9e217e27392f016f003250e17ed026595cb682b5504298ef4cc12

  • SHA512

    7037f54701e9ebf699c76f8ff19a19195d004293bbd2d562ddcac86ecea480fbb4bd6f12c2b907f4163b671c22f8d52e47d636692e41995551f6e376755050fb

  • SSDEEP

    49152:J1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:JA

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f98cc65337ea6c995f6af7bea54a1b88_JaffaCakes118

    • Size

      13.2MB

    • MD5

      f98cc65337ea6c995f6af7bea54a1b88

    • SHA1

      388096691f92d4cfa2123ea242dcca5b2dbaa542

    • SHA256

      033cc64af4d9e217e27392f016f003250e17ed026595cb682b5504298ef4cc12

    • SHA512

      7037f54701e9ebf699c76f8ff19a19195d004293bbd2d562ddcac86ecea480fbb4bd6f12c2b907f4163b671c22f8d52e47d636692e41995551f6e376755050fb

    • SSDEEP

      49152:J1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:JA

    Score
    10/10
    tofseeevasionpersistencetrojan

    • Tofsee

      Backdoor/botnet which carries out malicious activities based on commands from a C2 server.

      trojantofsee

    • Windows security bypass

      evasiontrojan

    • Creates new service(s)

      persistence

    • 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

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Persistence

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Impair Defenses

2
T1562

Disable or Modify Tools

1
T1562.001

Disable or Modify System Firewall

1
T1562.004

Modify Registry

2
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks