Overview

overview

10

Static

static

3

f315b58d3c...18.exe

windows7-x64

10

f315b58d3c...18.exe

windows10-2004-x64

10

Sharing

Copy URL
Twitter E-mail

General

  • Target

    f315b58d3cfb7541cc071900a1e00671_JaffaCakes118

  • Size

    13.7MB

  • Sample

    240416-ka4t1afb5t

  • MD5

    f315b58d3cfb7541cc071900a1e00671

  • SHA1

    59e2447b1d9be5bdadbbd1b67da60631f6e123eb

  • SHA256

    c09c6a7691b46bfea06316df79f17ed85a35610145b7e916417dfc557418bba2

  • SHA512

    03d9bcec97ff66d779685f0854d1fce707a1c0c08d4b0f3e1298ea9f9e77cb0ed44efb1190f8029f9f3d27808d7c880f6dbfdccb0493dea981f10dda7fb12447

  • SSDEEP

    49152:g1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:gA

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

43.231.4.7

lazystax.ru

Targets

    • Target

      f315b58d3cfb7541cc071900a1e00671_JaffaCakes118

    • Size

      13.7MB

    • MD5

      f315b58d3cfb7541cc071900a1e00671

    • SHA1

      59e2447b1d9be5bdadbbd1b67da60631f6e123eb

    • SHA256

      c09c6a7691b46bfea06316df79f17ed85a35610145b7e916417dfc557418bba2

    • SHA512

      03d9bcec97ff66d779685f0854d1fce707a1c0c08d4b0f3e1298ea9f9e77cb0ed44efb1190f8029f9f3d27808d7c880f6dbfdccb0493dea981f10dda7fb12447

    • SSDEEP

      49152:g1yvllllllllllllllllllllllllllllllllllllllllllllllllllllllllllln:gA

    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