Overview

overview

10

Static

static

aeaf7fd570...6f.exe

windows7-x64

10

aeaf7fd570...6f.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    aeaf7fd570ff3c124aec94c810a13e2c2b59485200074e478d2cfe5cd192056f

  • Size

    116KB

  • Sample

    221203-ssaymsca63

  • MD5

    326c0ed1d49c9ebe75e8cf29ced92a60

  • SHA1

    f83920f7c8cb64bc72074d5c7cac3be7c2598002

  • SHA256

    aeaf7fd570ff3c124aec94c810a13e2c2b59485200074e478d2cfe5cd192056f

  • SHA512

    7610d7650ad2b0cded5b6efc5365a260dc7b5229c7f20ba3556c416203906adf870488ed018a520b0bb0ddf2d433ee64014ff34fbf9f3ddd5701deec56e6e91f

  • SSDEEP

    3072:OFj7IcGTdNUNSM3epEOMPvrDS2jbxWGqjOA:OR7JGbUNSEOMPjDSbGqKA

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

91.218.39.211

188.130.237.44

91.204.162.103

188.165.132.183

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      aeaf7fd570ff3c124aec94c810a13e2c2b59485200074e478d2cfe5cd192056f

    • Size

      116KB

    • MD5

      326c0ed1d49c9ebe75e8cf29ced92a60

    • SHA1

      f83920f7c8cb64bc72074d5c7cac3be7c2598002

    • SHA256

      aeaf7fd570ff3c124aec94c810a13e2c2b59485200074e478d2cfe5cd192056f

    • SHA512

      7610d7650ad2b0cded5b6efc5365a260dc7b5229c7f20ba3556c416203906adf870488ed018a520b0bb0ddf2d433ee64014ff34fbf9f3ddd5701deec56e6e91f

    • SSDEEP

      3072:OFj7IcGTdNUNSM3epEOMPvrDS2jbxWGqjOA:OR7JGbUNSEOMPjDSbGqKA

    Score
    10/10
    tofseepersistencetrojan

    • Tofsee

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

      trojantofsee

    • Executes dropped EXE

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Deletes itself

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1
T1060

Privilege Escalation

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks