Analysis

  • max time kernel
    118s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    07-12-2023 14:39

General

  • Target

    f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe

  • Size

    632KB

  • MD5

    c63dab0a1163027cac6eff536c53674e

  • SHA1

    9f69d979ce999a9e00dc7c3fcf340f5bba2d26f8

  • SHA256

    f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc

  • SHA512

    bbf9b5523b4846a2eec80553cf50ba45c2fe7271e392d87ab702af37956eb215602514dc40c3b8dbd53bc96618ec21cc4563a55f755272950563ea321b28c4a5

  • SSDEEP

    12288:oVMcthmJ9kd5oQSjEt7RrKFgk5KNaQTgXp/8cUDE3hhsZSAFnSs:A5Z1FKFgk5lQTGp/IExqS

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.mtsfashionltd.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7D!0DIc!$iLP

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.

  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
    "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2656
    • C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe
      "C:\Users\Admin\AppData\Local\Temp\f844c501c4ff8c57fa81fc982b7627d3151d2665f23fa61e38171964dfcee4cc.exe"
      2⤵
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2424

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\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    344B

    MD5

    e13a698d4fed57b09dccc4cd2f0aba8d

    SHA1

    fe919ab699f346941be9764adfde61dc44a82baa

    SHA256

    ae2e3c34249a76289da3acd9829517941cdc4b3a5515c2e8570dd5481609ae2a

    SHA512

    b1039220a69fa099067dad9c77884761b03a344d3d380e04b7e80c92d5c8c5c50575fae9d8678ff35b0ffc979e91afc0a72bbb4b0a26ebb6d103e60775ee4a25

  • C:\Users\Admin\AppData\Local\Temp\CabAC19.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\TarAD1A.tmp

    Filesize

    171KB

    MD5

    9c0c641c06238516f27941aa1166d427

    SHA1

    64cd549fb8cf014fcd9312aa7a5b023847b6c977

    SHA256

    4276af3669a141a59388bc56a87f6614d9a9bdddf560636c264219a7eb11256f

    SHA512

    936ed0c0b0a7ff8e606b1cc4175a1f9b3699748ccbba1c3aff96203033d2e9edabf090e5148370df42fbfc4e31d7229493706ff24f19ff42ff7bef74a6baad06

  • memory/2424-21-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2424-22-0x0000000004AD0000-0x0000000004B10000-memory.dmp

    Filesize

    256KB

  • memory/2424-6-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2424-8-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2424-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2424-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2424-11-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2424-10-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2424-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2424-100-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2424-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2656-20-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2656-0-0x0000000000930000-0x00000000009D4000-memory.dmp

    Filesize

    656KB

  • memory/2656-4-0x0000000000580000-0x000000000058A000-memory.dmp

    Filesize

    40KB

  • memory/2656-3-0x0000000000480000-0x0000000000496000-memory.dmp

    Filesize

    88KB

  • memory/2656-2-0x0000000004DD0000-0x0000000004E10000-memory.dmp

    Filesize

    256KB

  • memory/2656-1-0x0000000074960000-0x000000007504E000-memory.dmp

    Filesize

    6.9MB

  • memory/2656-5-0x0000000005390000-0x000000000540C000-memory.dmp

    Filesize

    496KB