Analysis

  • max time kernel
    128s
  • max time network
    136s
  • platform
    windows10_x64
  • resource
    win10v20210408
  • submitted
    14-10-2021 05:46

General

  • Target

    QUOTE 7129.bat.exe

  • Size

    567KB

  • MD5

    c5cc1718876b11652a056bfb7c819521

  • SHA1

    37beee9cd4da05c76e9e79a98e824d7f103bf986

  • SHA256

    bd6fb4af1ac12b02fdfa5df9ce0094710fab6415f3154cdcc6c1e5d8b7f351a1

  • SHA512

    547edba7ff818c915e9fa6c16ea2c8ad214afcdef4049aea72a18d6e64243ba227fa8ec77d5232e7f36ab14f9bbae657adce82a3b77f33616d44a552eaf15e45

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.rapidmail.ec
  • Port:
    587
  • Username:
    anams@rapidmail.ec
  • Password:
    icui4cu2@@

Signatures

  • AgentTesla

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

  • AgentTesla Payload 2 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:580
    • C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\QUOTE 7129.bat.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:1676

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

2
T1081

Collection

Data from Local System

2
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\QUOTE 7129.bat.exe.log
    MD5

    0c2899d7c6746f42d5bbe088c777f94c

    SHA1

    622f66c5f7a3c91b28a9f43ce7c6cabadbf514f1

    SHA256

    5b0b99740cadaeff7b9891136644b396941547e20cc7eea646560d0dad5a5458

    SHA512

    ab7a3409ed4b6ca00358330a3aa4ef6de7d81eb21a5e24bb629ef6a7c7c4e2a70ca3accfbc989ed6e495fdb8eb6203a26d6f2a37b2a5809af4276af375b49078

  • memory/580-121-0x00000000057B0000-0x00000000057B1000-memory.dmp
    Filesize

    4KB

  • memory/580-117-0x0000000004A70000-0x0000000004A71000-memory.dmp
    Filesize

    4KB

  • memory/580-118-0x00000000049D0000-0x0000000004ECE000-memory.dmp
    Filesize

    5.0MB

  • memory/580-119-0x00000000049F0000-0x00000000049F1000-memory.dmp
    Filesize

    4KB

  • memory/580-120-0x0000000004B90000-0x0000000004B95000-memory.dmp
    Filesize

    20KB

  • memory/580-114-0x0000000000120000-0x0000000000121000-memory.dmp
    Filesize

    4KB

  • memory/580-122-0x0000000005950000-0x00000000059CF000-memory.dmp
    Filesize

    508KB

  • memory/580-116-0x0000000004ED0000-0x0000000004ED1000-memory.dmp
    Filesize

    4KB

  • memory/1676-123-0x0000000000400000-0x000000000043C000-memory.dmp
    Filesize

    240KB

  • memory/1676-124-0x0000000000436D3E-mapping.dmp
  • memory/1676-130-0x0000000005220000-0x000000000571E000-memory.dmp
    Filesize

    5.0MB

  • memory/1676-131-0x00000000056C0000-0x00000000056C1000-memory.dmp
    Filesize

    4KB

  • memory/1676-132-0x0000000005E80000-0x0000000005E81000-memory.dmp
    Filesize

    4KB