Analysis

  • max time kernel
    129s
  • max time network
    113s
  • platform
    windows10_x64
  • resource
    win10v20210410
  • submitted
    22-07-2021 07:11

General

  • Target

    53129cf39b6b180a20bef666da18f6ca.exe

  • Size

    728KB

  • MD5

    53129cf39b6b180a20bef666da18f6ca

  • SHA1

    62487b332736b0a29584e625e43c6822e7c60422

  • SHA256

    06798301d113e18d6e6ffe3321628911d604bbc65ff5b465986155abd29f09dc

  • SHA512

    3fc006f01cf7a179db4519d4b67e5be4edb5d92ca98cbf5545a9f399849018ffb83f0749ef8bb3dbb46b4eb1d481ecf7ec8c4ee5700b6f812527717949f3b8f0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    accounts@trialseqco-uk.icu
  • Password:
    NewMexcico@123

Signatures

  • AgentTesla

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

  • AgentTesla Payload 3 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\53129cf39b6b180a20bef666da18f6ca.exe
    "C:\Users\Admin\AppData\Local\Temp\53129cf39b6b180a20bef666da18f6ca.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3224
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\mJKQTPgr" /XML "C:\Users\Admin\AppData\Local\Temp\tmp4EFB.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3996
    • C:\Users\Admin\AppData\Local\Temp\53129cf39b6b180a20bef666da18f6ca.exe
      "C:\Users\Admin\AppData\Local\Temp\53129cf39b6b180a20bef666da18f6ca.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1192

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\53129cf39b6b180a20bef666da18f6ca.exe.log
    MD5

    c3cc52ccca9ff2b6fa8d267fc350ca6b

    SHA1

    a68d4028333296d222e4afd75dea36fdc98d05f3

    SHA256

    3125b6071e2d78f575a06ed7ac32a83d9262ae64d1fa81ac43e8bfc1ef157c0e

    SHA512

    b0c7b2501b1a2c559795a9d178c0bbda0e03cbdbaaa2c4330ac1202a55373fe1b742078adcfa915bd6e805565a2daa6d35d64ef7a14ffcd09069f9ea6a691cc7

  • C:\Users\Admin\AppData\Local\Temp\tmp4EFB.tmp
    MD5

    eea98342a4ceff0d6f84cd927b0a8093

    SHA1

    642f5ce51b181fe009959b9a06838106aaae9751

    SHA256

    8b71db0dccda1136586a0d83bc7136bcefa3fcbf2c2443725792918729500212

    SHA512

    bb262765169b76534259d08840e5c2a6933bd10fde81f8895f2fdb71dcfc5b7e7550a55ade08920e7c320745812f37bba0bf7c88680b2bc325c8c388180649ab

  • memory/1192-136-0x0000000005E10000-0x0000000005E11000-memory.dmp
    Filesize

    4KB

  • memory/1192-135-0x00000000052A0000-0x00000000052A1000-memory.dmp
    Filesize

    4KB

  • memory/1192-134-0x00000000050B0000-0x00000000055AE000-memory.dmp
    Filesize

    5.0MB

  • memory/1192-128-0x000000000043761E-mapping.dmp
  • memory/1192-127-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/3224-119-0x000000000A720000-0x000000000A721000-memory.dmp
    Filesize

    4KB

  • memory/3224-123-0x0000000005500000-0x000000000557B000-memory.dmp
    Filesize

    492KB

  • memory/3224-124-0x00000000055B0000-0x00000000055ED000-memory.dmp
    Filesize

    244KB

  • memory/3224-122-0x0000000005250000-0x000000000526B000-memory.dmp
    Filesize

    108KB

  • memory/3224-121-0x0000000004C00000-0x0000000004C01000-memory.dmp
    Filesize

    4KB

  • memory/3224-120-0x0000000005110000-0x0000000005111000-memory.dmp
    Filesize

    4KB

  • memory/3224-114-0x00000000007C0000-0x00000000007C1000-memory.dmp
    Filesize

    4KB

  • memory/3224-118-0x0000000005060000-0x0000000005061000-memory.dmp
    Filesize

    4KB

  • memory/3224-117-0x000000000AB80000-0x000000000AB81000-memory.dmp
    Filesize

    4KB

  • memory/3224-116-0x00000000075C0000-0x0000000007671000-memory.dmp
    Filesize

    708KB

  • memory/3996-125-0x0000000000000000-mapping.dmp