Resubmissions

11-12-2024 15:32

241211-sy44nssrdm 10

09-08-2024 21:57

240809-1t1vfs1cpm 10

06-08-2024 13:01

240806-p9f97szdlm 10

06-08-2024 12:52

240806-p3672stdkg 10

06-08-2024 12:29

240806-ppa8fsygqr 10

06-08-2024 12:26

240806-pmc92ashlh 10

Analysis

  • max time kernel
    93s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11-12-2024 15:32

General

  • Target

    1/3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe

  • Size

    731KB

  • MD5

    bd1050f3642d22733a30cd101f591713

  • SHA1

    5a6553bea21e2df2307ed5c843072bcb023566be

  • SHA256

    3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671

  • SHA512

    6cc19b1df105d9f4e76c39f7be79c9a5a42fdb338a8b56b1d16e1343221e36552344fc30aa8c2bf4d48781694a412dcddb5858a36c643706bc778b0b8cc59883

  • SSDEEP

    12288:tmoDWx2PQfRcudR5C3T+Lc7vaVs95ucinaj13Tp8K2:tHawMR9/gDR5yrQx2K2

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.libreriagandhi.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    x6p2^m#1#~+O

Signatures

  • AgentTesla

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

  • Agenttesla family
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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 3 TTPs

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

  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
    "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3700
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3152
    • C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe
      "C:\Users\Admin\AppData\Local\Temp\1\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4868

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\3bfcb4f798ba63a1d18887cb67c90e083d5561a58136a892bd9944528c707671.exe.log

    Filesize

    1KB

    MD5

    8783efc818e6c4b08cdd7dc7e06641d0

    SHA1

    481a410d390aefdd28ff1bc005d1ee46e7b092f2

    SHA256

    735a7e96c6b2d91b062f378d14291656b72c92d36b1a21584ce5b606b4ea8572

    SHA512

    1d48c97192d9ca4deca93a2a62dc6230d2752b1710c95660b41e89413b9b022a0139570d946580968bd04cf48497a6dc31e25d4aca7f477525b346ab0a302d32

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4jadutol.c3u.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • memory/3152-51-0x0000000006B40000-0x0000000006B5E000-memory.dmp

    Filesize

    120KB

  • memory/3152-54-0x00000000078C0000-0x00000000078DA000-memory.dmp

    Filesize

    104KB

  • memory/3152-24-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-62-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

    Filesize

    32KB

  • memory/3152-61-0x0000000007C00000-0x0000000007C1A000-memory.dmp

    Filesize

    104KB

  • memory/3152-60-0x0000000007B00000-0x0000000007B14000-memory.dmp

    Filesize

    80KB

  • memory/3152-59-0x0000000007AF0000-0x0000000007AFE000-memory.dmp

    Filesize

    56KB

  • memory/3152-58-0x0000000007AC0000-0x0000000007AD1000-memory.dmp

    Filesize

    68KB

  • memory/3152-57-0x0000000007B40000-0x0000000007BD6000-memory.dmp

    Filesize

    600KB

  • memory/3152-56-0x0000000007930000-0x000000000793A000-memory.dmp

    Filesize

    40KB

  • memory/3152-53-0x0000000007F00000-0x000000000857A000-memory.dmp

    Filesize

    6.5MB

  • memory/3152-40-0x0000000007530000-0x0000000007562000-memory.dmp

    Filesize

    200KB

  • memory/3152-52-0x0000000007770000-0x0000000007813000-memory.dmp

    Filesize

    652KB

  • memory/3152-41-0x0000000070E00000-0x0000000070E4C000-memory.dmp

    Filesize

    304KB

  • memory/3152-39-0x00000000065C0000-0x000000000660C000-memory.dmp

    Filesize

    304KB

  • memory/3152-38-0x0000000006590000-0x00000000065AE000-memory.dmp

    Filesize

    120KB

  • memory/3152-37-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-36-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3152-21-0x00000000056B0000-0x0000000005CD8000-memory.dmp

    Filesize

    6.2MB

  • memory/3152-20-0x0000000002C80000-0x0000000002CB6000-memory.dmp

    Filesize

    216KB

  • memory/3152-23-0x0000000005CE0000-0x0000000005D46000-memory.dmp

    Filesize

    408KB

  • memory/3152-25-0x0000000005F50000-0x00000000062A4000-memory.dmp

    Filesize

    3.3MB

  • memory/3152-65-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3700-9-0x00000000068F0000-0x000000000690A000-memory.dmp

    Filesize

    104KB

  • memory/3700-14-0x0000000009060000-0x00000000090FC000-memory.dmp

    Filesize

    624KB

  • memory/3700-0-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/3700-4-0x0000000004B60000-0x0000000004B6A000-memory.dmp

    Filesize

    40KB

  • memory/3700-19-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3700-2-0x0000000005150000-0x00000000056F4000-memory.dmp

    Filesize

    5.6MB

  • memory/3700-13-0x0000000006990000-0x0000000006A14000-memory.dmp

    Filesize

    528KB

  • memory/3700-8-0x0000000006760000-0x0000000006782000-memory.dmp

    Filesize

    136KB

  • memory/3700-1-0x00000000000A0000-0x000000000015C000-memory.dmp

    Filesize

    752KB

  • memory/3700-6-0x0000000004D60000-0x00000000050B4000-memory.dmp

    Filesize

    3.3MB

  • memory/3700-12-0x0000000006940000-0x000000000694E000-memory.dmp

    Filesize

    56KB

  • memory/3700-7-0x0000000005A10000-0x0000000005A22000-memory.dmp

    Filesize

    72KB

  • memory/3700-3-0x0000000004BA0000-0x0000000004C32000-memory.dmp

    Filesize

    584KB

  • memory/3700-11-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/3700-10-0x000000007518E000-0x000000007518F000-memory.dmp

    Filesize

    4KB

  • memory/3700-5-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4868-35-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-22-0x0000000005690000-0x00000000056F6000-memory.dmp

    Filesize

    408KB

  • memory/4868-55-0x0000000006CF0000-0x0000000006D40000-memory.dmp

    Filesize

    320KB

  • memory/4868-18-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB

  • memory/4868-66-0x0000000075180000-0x0000000075930000-memory.dmp

    Filesize

    7.7MB