Overview

overview

10

Static

static

2cb8331dab...39.exe

windows7-x64

10

2cb8331dab...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2cb8331dab2c0c108691947e56b4172716b1d23fd064a932d6202f7cf76feb39

  • Size

    172KB

  • Sample

    221124-ll3lrahd2w

  • MD5

    dafc043be699b11f059f25d3df8360d0

  • SHA1

    973a61daf7a94734fb1c8244b66042658f2642ce

  • SHA256

    2cb8331dab2c0c108691947e56b4172716b1d23fd064a932d6202f7cf76feb39

  • SHA512

    6e69e2488f170d9c453e8a41ce1a53ec372d097b1587c7c4351fc1b04fd1852e8ac23cfbfb11b02fd6627d2b67975b56450bc3f07058ee2c78b1e2b182eec9e2

  • SSDEEP

    3072:P6oBRcjQ0GCmBrGltChf8jytCeJxyYVCK+mQEryy:P61mBrGbywejyjKpOy

Score
10/10
tofseepersistencetrojan

Malware Config

Extracted

Family

tofsee

C2

111.121.193.238

202.146.217.143

188.190.113.149

188.165.132.183

213.155.0.208

rgtryhbgddtyh.biz

wertdghbyrukl.ch

Targets

    • Target

      2cb8331dab2c0c108691947e56b4172716b1d23fd064a932d6202f7cf76feb39

    • Size

      172KB

    • MD5

      dafc043be699b11f059f25d3df8360d0

    • SHA1

      973a61daf7a94734fb1c8244b66042658f2642ce

    • SHA256

      2cb8331dab2c0c108691947e56b4172716b1d23fd064a932d6202f7cf76feb39

    • SHA512

      6e69e2488f170d9c453e8a41ce1a53ec372d097b1587c7c4351fc1b04fd1852e8ac23cfbfb11b02fd6627d2b67975b56450bc3f07058ee2c78b1e2b182eec9e2

    • SSDEEP

      3072:P6oBRcjQ0GCmBrGltChf8jytCeJxyYVCK+mQEryy:P61mBrGbywejyjKpOy

    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