Overview

overview

10

Static

static

3

ff2d8d859e...18.exe

windows7-x64

10

ff2d8d859e...18.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    ff2d8d859e9c246c9bce95dc1dddb084_JaffaCakes118

  • Size

    12.9MB

  • Sample

    240421-nlmxeaac71

  • MD5

    ff2d8d859e9c246c9bce95dc1dddb084

  • SHA1

    7ca34991606aaf8d7eb29f5f5c50171336631139

  • SHA256

    9f8cabbcbae05dcc56614cd84875ba9c1b0553bacaf210506a8b24cf177fe61c

  • SHA512

    0898b5e0d887ef5211b0afca20beb6138aad5a4f87e1a9e50b5e55c16d430a31f803a5d4e8574c659ebe48571059088a83898e5471b75d3f367d0ebdb3c29325

  • SSDEEP

    6144:/xd8MIg5KkE8ZQFg60ECx+ylPZbheJlhLixkMPt/t/t/t/t/t/t/t/t/t/t/t/tz:v8MI05ZQFgdgylPY1GkM

Score
10/10
tofseeevasionpersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

defeatwax.ru

refabyd.info

Targets

    • Target

      ff2d8d859e9c246c9bce95dc1dddb084_JaffaCakes118

    • Size

      12.9MB

    • MD5

      ff2d8d859e9c246c9bce95dc1dddb084

    • SHA1

      7ca34991606aaf8d7eb29f5f5c50171336631139

    • SHA256

      9f8cabbcbae05dcc56614cd84875ba9c1b0553bacaf210506a8b24cf177fe61c

    • SHA512

      0898b5e0d887ef5211b0afca20beb6138aad5a4f87e1a9e50b5e55c16d430a31f803a5d4e8574c659ebe48571059088a83898e5471b75d3f367d0ebdb3c29325

    • SSDEEP

      6144:/xd8MIg5KkE8ZQFg60ECx+ylPZbheJlhLixkMPt/t/t/t/t/t/t/t/t/t/t/t/tz:v8MI05ZQFgdgylPY1GkM

    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