Analysis

  • max time kernel
    148s
  • max time network
    70s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    26-02-2021 09:57

General

  • Target

    SecuriteInfo.com.Trojan.GenericKDZ.73184.1978.29102.exe

  • Size

    531KB

  • MD5

    9feb0a5719f215f9a50ec42f4e139c31

  • SHA1

    c83e0f257259030ae0c65a2f0312f5a2e056113d

  • SHA256

    d99e9fd1092f9fa603bb5b45c91f716778d8a293eb5588969022d6a4e6834fc1

  • SHA512

    f422ad8406f1ec7a4cda5459ac37542b61168e977a0a53b16290aa1150e20bc517a26acd18eecb87de32ec211d2919bc16a6e9c8b8e536ff9c37165139c9760c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    @Mexico1.,

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.1978.29102.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.1978.29102.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1212
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\nvfnQRNZVaV" /XML "C:\Users\Admin\AppData\Local\Temp\tmp781A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2696
    • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.1978.29102.exe
      "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Trojan.GenericKDZ.73184.1978.29102.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1172

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\SecuriteInfo.com.Trojan.GenericKDZ.73184.1978.29102.exe.log
    MD5

    90acfd72f14a512712b1a7380c0faf60

    SHA1

    40ba4accb8faa75887e84fb8e38d598dc8cf0f12

    SHA256

    20806822f0c130b340504132c1461b589261fbbc518e468f4f90733ab514cb86

    SHA512

    29dbf85e14e60868574cb4dc9bda83d3c229fb956733d8d2557f2475ee0e690ac9c2e72f31e02284996da6906ba2dbfa382a29b04c15a2406571d8ee19ad16b9

  • C:\Users\Admin\AppData\Local\Temp\tmp781A.tmp
    MD5

    1e327e996544ea6fc542b1babf75bd89

    SHA1

    9c8a48885c2b097082d242bc6a869290d558013e

    SHA256

    1ad4212ce9c8ff8c703bad1cdac1cc0ff01778dd886a253dabf91af5dde82f20

    SHA512

    b233783410dbf3df16d71247d29cd5da21539caa10276fd6f69aca5aacb66327ca8c468d269863e9c88f2da2f455d84ac8f8588e1f028583ccdadb8018289838

  • memory/1172-25-0x0000000005E70000-0x0000000005E71000-memory.dmp
    Filesize

    4KB

  • memory/1172-24-0x00000000056C0000-0x00000000056C1000-memory.dmp
    Filesize

    4KB

  • memory/1172-23-0x00000000051D0000-0x00000000051D1000-memory.dmp
    Filesize

    4KB

  • memory/1172-18-0x0000000073290000-0x000000007397E000-memory.dmp
    Filesize

    6.9MB

  • memory/1172-16-0x000000000043747E-mapping.dmp
  • memory/1172-15-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1212-7-0x0000000004B20000-0x0000000004B21000-memory.dmp
    Filesize

    4KB

  • memory/1212-12-0x00000000009F0000-0x0000000000A4C000-memory.dmp
    Filesize

    368KB

  • memory/1212-11-0x0000000004DE0000-0x0000000004DE3000-memory.dmp
    Filesize

    12KB

  • memory/1212-10-0x00000000049D0000-0x00000000049D1000-memory.dmp
    Filesize

    4KB

  • memory/1212-9-0x0000000004CE0000-0x0000000004CE1000-memory.dmp
    Filesize

    4KB

  • memory/1212-8-0x0000000004AA0000-0x0000000004AA1000-memory.dmp
    Filesize

    4KB

  • memory/1212-2-0x0000000073290000-0x000000007397E000-memory.dmp
    Filesize

    6.9MB

  • memory/1212-6-0x0000000004F80000-0x0000000004F81000-memory.dmp
    Filesize

    4KB

  • memory/1212-5-0x00000000049E0000-0x00000000049E1000-memory.dmp
    Filesize

    4KB

  • memory/1212-3-0x0000000000010000-0x0000000000011000-memory.dmp
    Filesize

    4KB

  • memory/2696-13-0x0000000000000000-mapping.dmp