Overview

overview

10

Static

static

3

f3bd0e796e...18.exe

windows7-x64

10

f3bd0e796e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118

  • Size

    14.3MB

  • Sample

    240416-sgb2kada58

  • MD5

    f3bd0e796e1c1b59bde69cecbde26000

  • SHA1

    a3d3bd7e6d987e6cf93c97d80d86b68d2be90af8

  • SHA256

    0debd985cd0fff7744ed3165078a38bcb30b0b064ddb5b006d84f2751e0d50f9

  • SHA512

    32a1ffa73aad3303d3de5bd8766c73d8367c6e1476218df2bd801c2729e34fdacd730e34d6dc5d734d50137cc0db5e8ad0b171d63a3120d4a1b22dccd5193fb3

  • SSDEEP

    3072:DlIKxNiT/X910MzPvrmJXOWYL1DyHSHbfTYBDsopr7p85KzqyROF5LevXZUmoBZ2:DlIKziTP910Uwq1uH4gBDs8BgRn2x

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      f3bd0e796e1c1b59bde69cecbde26000_JaffaCakes118

    • Size

      14.3MB

    • MD5

      f3bd0e796e1c1b59bde69cecbde26000

    • SHA1

      a3d3bd7e6d987e6cf93c97d80d86b68d2be90af8

    • SHA256

      0debd985cd0fff7744ed3165078a38bcb30b0b064ddb5b006d84f2751e0d50f9

    • SHA512

      32a1ffa73aad3303d3de5bd8766c73d8367c6e1476218df2bd801c2729e34fdacd730e34d6dc5d734d50137cc0db5e8ad0b171d63a3120d4a1b22dccd5193fb3

    • SSDEEP

      3072:DlIKxNiT/X910MzPvrmJXOWYL1DyHSHbfTYBDsopr7p85KzqyROF5LevXZUmoBZ2:DlIKziTP910Uwq1uH4gBDs8BgRn2x

    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