Overview

overview

10

Static

static

3

putty.exe

windows7-x64

10

putty.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    putty.exe

  • Size

    157KB

  • Sample

    230524-grflysbf51

  • MD5

    fb9a5aa7537e9a41eaaa1b5714330895

  • SHA1

    4ebf8ece21579fadd34288adf5a2b2140fd3ee8f

  • SHA256

    bdcf3c8b8f3f71c76e5a192bd9dbce2061379edb57eba0d41fdc69f9172a9d6b

  • SHA512

    2e8afe44d91d2f8de6da8220a34d9e1bbfe2a1fbd9b0ebbd04bc03f43dc1b133edff74bad9e5adcbe26bc7343505e9f39fd6555ede54409a66e7561fbf596da0

  • SSDEEP

    3072:WTTtS/P8TSeZNgDTakOihnjbiTRjEXQAuis1Jy///f/MD:EtTBZAjOGGRviec3fE

Score
10/10
bitratpersistencetrojan

Malware Config

Extracted

Family

bitrat

Version

1.38

C2

pradeepprabhu705.hopto.org:312

Attributes
  • communication_password

    827ccb0eea8a706c4c34a16891f84e7b

  • tor_process

    tor

Targets

    • Target

      putty.exe

    • Size

      157KB

    • MD5

      fb9a5aa7537e9a41eaaa1b5714330895

    • SHA1

      4ebf8ece21579fadd34288adf5a2b2140fd3ee8f

    • SHA256

      bdcf3c8b8f3f71c76e5a192bd9dbce2061379edb57eba0d41fdc69f9172a9d6b

    • SHA512

      2e8afe44d91d2f8de6da8220a34d9e1bbfe2a1fbd9b0ebbd04bc03f43dc1b133edff74bad9e5adcbe26bc7343505e9f39fd6555ede54409a66e7561fbf596da0

    • SSDEEP

      3072:WTTtS/P8TSeZNgDTakOihnjbiTRjEXQAuis1Jy///f/MD:EtTBZAjOGGRviec3fE

    Score
    10/10
    bitratpersistencetrojan

    • BitRAT

      BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

      trojanbitrat

    • Checks computer location settings

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

    • Adds Run key to start application

      persistence

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • 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