General

  • Target

    Archive.zip

  • Size

    1.7MB

  • Sample

    240510-v3pkwscb52

  • MD5

    cb01b6d5f01fd0b267c10377e2b5f61f

  • SHA1

    2c49e1625de99273058a90ce2b289bbc8700d4ed

  • SHA256

    8e020777c713413f11c59c779bf6a2efb777f2d4c309e5dbc1e8a0b5bd27472e

  • SHA512

    57e29318c0fb16d3774061e15243f848d3c48c48e3c634bca966f70f1d33431f86036ceb82140f92353e59a0fefd7aeabeef032e1dec85cb6048a07d03ad5ba6

  • SSDEEP

    49152:VaQTbm6nRBSs8+3rpsINBTNDyabCssTENXsoWn3EA3:lTbJnzbH+fTENXso23EA3

Malware Config

Targets

    • Target

      )}ì~)J0ø‰º!ò@x&ÚâØaßHÍôõ.exe

    • Size

      609KB

    • MD5

      347d7700eb4a4537df6bb7492ca21702

    • SHA1

      983189dab4b523e19f8efd35eee4d7d43d84aca2

    • SHA256

      a9963808a1a358d6ee26ab88bdab4add50512de1a863aa79937815444ee64da8

    • SHA512

      5efb1bce5b5fe74c886126c7bf3627628842a73d31550aee61b71e462b0cc4256b07ae2dc8c207917c5e134c15b8b1d5f3bbbd76724a9b12188f32ba48c25ac9

    • SSDEEP

      12288:Y71ezsKspcx7aSekHeX/BoVrWyrl/XYUx58wT7tRw:IYzsDyAS/HeyWql/XYUz8wTDw

    • BetaBot

      Beta Bot is a Trojan that infects computers and disables Antivirus.

    • ModiLoader, DBatLoader

      ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.

    • Modifies firewall policy service

    • ModiLoader Second Stage

    • Sets file execution options in registry

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • Target

      2019-09-02_22-41-10.exe

    • Size

      251KB

    • MD5

      924aa6c26f6f43e0893a40728eac3b32

    • SHA1

      baa9b4c895b09d315ed747b3bd087f4583aa84fc

    • SHA256

      30f9db1f5838abb6c1580fdfb7f5dcfd7c2ac8cfac50c2edd0c8415d66212c95

    • SHA512

      3cb6fd659aff46eaa62b0e647ccebeecb070ba0bb27e1cc037b33caf23c417e75f476e1c08e1b5f3b232c4640995ae5afa43bfd09252d318fe5eec0d18de830a

    • SSDEEP

      6144:2E5sHpScP2xeQhp4wGoqPKNDF50AsurB:PsHIiQv4gBNDFiTuF

    • SmokeLoader

      Modular backdoor trojan in use since 2014.

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

    • Target

      file (1).exe

    • Size

      2.7MB

    • MD5

      731ff38afbc5a664f5a458e222d91f84

    • SHA1

      5105f89898a3d9e5b5b52ddcd7d0a3b167aaf701

    • SHA256

      a0e3a64e0e6aee3370ccbbca59f8ae0b34be674963c1dabe14926b24fdcae7d0

    • SHA512

      910b1c9fb8e28c3f24d35a875ff86f3ab2e2c573797e078ece204538a3bdc6d42bc92531197e57be577ffb2e4cacdd53fec6a61843e6c69be4794e68506f68c3

    • SSDEEP

      24576:3RoBHi3buy4toE1jC6Ayo2xhWLbSPlqRvc68XzRVGvxB5VA0UC1dUUKj/OZ8j3g3:BoKmo4jC6TovDRUC1doj/Tg3

    Score
    8/10
    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Drops startup file

    • Executes dropped EXE

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Persistence

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Privilege Escalation

Create or Modify System Process

1
T1543

Windows Service

1
T1543.003

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

2
T1547.001

Scheduled Task/Job

1
T1053

Defense Evasion

Modify Registry

6
T1112

Discovery

Query Registry

4
T1012

System Information Discovery

5
T1082

Peripheral Device Discovery

1
T1120

Command and Control

Web Service

1
T1102

Tasks