General

  • Target

    06146002319e655ea5e677ffada926dce41e36c667cf17c3604069c87cf68420

  • Size

    983KB

  • Sample

    220520-299mzabdhn

  • MD5

    1c05b64dedbc100c5e8cc503ee0e7de3

  • SHA1

    f053fa9837969c028106b1bddb4be50b64821846

  • SHA256

    06146002319e655ea5e677ffada926dce41e36c667cf17c3604069c87cf68420

  • SHA512

    db9d52f6e91a2be68557ef0e80c3ce04cfcbcb4df6586ca27eb2bf8a1e21ec9439b2c87c004167b82ab1f8e6ae8063766d9efd490a3c3c849c2ef1d5a11b958a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    z123456789ok

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.gmail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    z123456789ok

Extracted

Family

guloader

C2

https://drive.google.com/uc?export=download&id=19Rww40gJ2bgnR4d0kxNPAXOhspVmcojz

xor.base64

Targets

    • Target

      Invoices.scr

    • Size

      642KB

    • MD5

      7e1276e8a9605cceaeb2c92ee2dee098

    • SHA1

      d2ff633768b6745d8e8f171d84c3aba4c2f1b92d

    • SHA256

      e61b98aab63f89f2c11d138da7c42c20e5f5019a6063e4af547c7f2903cd133c

    • SHA512

      ec534ea78f14507e2984e5a80a5d8cdeddfb99f96dd7c85f5ce3ad5269455fd1919cf60a922fc42610c716461ac46b8edaf364c0aa66d061305f26902fe46901

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

    • Target

      Payment Copy.scr

    • Size

      84KB

    • MD5

      674e26f5f53caab5bc5b0b12ac1bb03c

    • SHA1

      892cb32ece7918576e1bdd2c3ee638f9b2d6a751

    • SHA256

      29bf107e81548227b24b99a950628a53b7645e674602861fa7410773464b88b1

    • SHA512

      5f51ee306b2d970a74893fc07d17c7a40b8d18d3665bfd49f76113b0a28e253274108dd1c8bb2462ac8aa1dedf5f41ee0834f947d3e100649fd5f2bd6d82a8c8

    Score
    10/10
    • Target

      Pictures.scr

    • Size

      614KB

    • MD5

      0548042de08d966daf12706ecef02860

    • SHA1

      2551f1cf8b224368ebbfaa02e39ad360c9693658

    • SHA256

      1e7474f09fbb2601bdc6f5e77ec90a9db99115e8392ba1629349f9b59f54d272

    • SHA512

      e0c1f998eb363454bd11dae8376b77ed373004078f61e0f8bf81baae01a5d08608290ead31236506aceacba60fa51456c49ac702bceea93f2cf14edd73931fb7

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • AgentTesla Payload

    • Looks for VirtualBox Guest Additions in registry

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Accesses Microsoft Outlook profiles

    • Maps connected drives based on registry

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

2
T1053

Persistence

Scheduled Task

2
T1053

Privilege Escalation

Scheduled Task

2
T1053

Defense Evasion

Virtualization/Sandbox Evasion

4
T1497

Discovery

Query Registry

10
T1012

Virtualization/Sandbox Evasion

4
T1497

System Information Discovery

8
T1082

Peripheral Device Discovery

2
T1120

Collection

Email Collection

2
T1114

Tasks