Overview

overview

10

Static

static

3

f2c2dfad2a...18.exe

windows7-x64

10

f2c2dfad2a...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f2c2dfad2a7c617f933121023f9615a0_JaffaCakes118

  • Size

    11.3MB

  • Sample

    240416-fv6rwaab78

  • MD5

    f2c2dfad2a7c617f933121023f9615a0

  • SHA1

    2413e1d32855aaaef23d75cc7da5e73258f59c0f

  • SHA256

    32286087d4e5a88e15e2d34114b10047826640627628d7b269d37eef35585db7

  • SHA512

    0a235f74cceebc2fd51d8472762091a958d6d43ca00bedad058cee00fa48b90e063eff78ac60610668e1a42427d25d105c8d4625079a7753e29b1c441c46eda0

  • SSDEEP

    98304:nNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllH:NW

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f2c2dfad2a7c617f933121023f9615a0_JaffaCakes118

    • Size

      11.3MB

    • MD5

      f2c2dfad2a7c617f933121023f9615a0

    • SHA1

      2413e1d32855aaaef23d75cc7da5e73258f59c0f

    • SHA256

      32286087d4e5a88e15e2d34114b10047826640627628d7b269d37eef35585db7

    • SHA512

      0a235f74cceebc2fd51d8472762091a958d6d43ca00bedad058cee00fa48b90e063eff78ac60610668e1a42427d25d105c8d4625079a7753e29b1c441c46eda0

    • SSDEEP

      98304:nNWUlllllllllllllllllllllllllllllllllllllllllllllllllllllllllllH:NW

    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