Analysis

  • max time kernel
    120s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    08-12-2023 02:13

General

  • Target

    c56269fd74de127be075c010e45313d6461ea9d2d646ebdf13391f1c6409092b.exe

  • Size

    431KB

  • MD5

    9c288c5fc24b5181810f8b3466dd7365

  • SHA1

    80ced01c1a68080303efd61228d90090a693ec75

  • SHA256

    c56269fd74de127be075c010e45313d6461ea9d2d646ebdf13391f1c6409092b

  • SHA512

    a6e38328d32ef1d9b2c2d5ee292194e334f3625ffff8fc2593035a6bcf70ac4da109528795248f9f403157200d7c28b10b80de2b1679230c9d8113868059bff7

  • SSDEEP

    12288:UhsklAKxbWfxyJUa28FIQcqD8ZsZbKFn56s3Z:UhVAKpWpyUT8F3cy8ebWosp

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    server1.sqsendy.shop
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    {f];qthoiBBW

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • 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.

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Looks up external IP address via web service 3 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c56269fd74de127be075c010e45313d6461ea9d2d646ebdf13391f1c6409092b.exe
    "C:\Users\Admin\AppData\Local\Temp\c56269fd74de127be075c010e45313d6461ea9d2d646ebdf13391f1c6409092b.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1788
    • C:\Users\Admin\AppData\Local\Temp\c56269fd74de127be075c010e45313d6461ea9d2d646ebdf13391f1c6409092b.exe
      C:\Users\Admin\AppData\Local\Temp\c56269fd74de127be075c010e45313d6461ea9d2d646ebdf13391f1c6409092b.exe
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2400

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

    Filesize

    65KB

    MD5

    ac05d27423a85adc1622c714f2cb6184

    SHA1

    b0fe2b1abddb97837ea0195be70ab2ff14d43198

    SHA256

    c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d

    SHA512

    6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

  • C:\Users\Admin\AppData\Local\Temp\Tar32F9.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/1788-6-0x0000000000AA0000-0x0000000000AE0000-memory.dmp

    Filesize

    256KB

  • memory/1788-3-0x0000000000930000-0x0000000000988000-memory.dmp

    Filesize

    352KB

  • memory/1788-4-0x0000000000E30000-0x0000000000E8A000-memory.dmp

    Filesize

    360KB

  • memory/1788-5-0x0000000000550000-0x0000000000592000-memory.dmp

    Filesize

    264KB

  • memory/1788-23-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/1788-7-0x0000000000B30000-0x0000000000B7C000-memory.dmp

    Filesize

    304KB

  • memory/1788-8-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/1788-9-0x0000000000E90000-0x0000000000ED0000-memory.dmp

    Filesize

    256KB

  • memory/1788-2-0x0000000000E90000-0x0000000000ED0000-memory.dmp

    Filesize

    256KB

  • memory/1788-1-0x0000000074EA0000-0x000000007558E000-memory.dmp

    Filesize

    6.9MB

  • memory/1788-0-0x0000000001390000-0x00000000013FE000-memory.dmp

    Filesize

    440KB

  • memory/2400-13-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2400-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-27-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-28-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB

  • memory/2400-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2400-66-0x0000000074E20000-0x000000007550E000-memory.dmp

    Filesize

    6.9MB

  • memory/2400-67-0x0000000004B50000-0x0000000004B90000-memory.dmp

    Filesize

    256KB