Analysis

  • max time kernel
    141s
  • max time network
    134s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-04-2023 08:37

General

  • Target

    new-order_20191102_073809_405251-PDF.exe

  • Size

    730KB

  • MD5

    4befd99de8dedfeeb5cc7062663f561e

  • SHA1

    670fa767ca9a9944896d98c1c14a05529c5579f7

  • SHA256

    b4360f2d64d4b59c5dd1b56ccb7ed8233eeddd871fff3dd4ca9f9bead820cdb8

  • SHA512

    9d990e844d00bf8c6df40f7d415911c7f946d9e9cd2c5bc627ce29b9e5174bf3308b22ceb84954e00c5364b0759165347cec79e624468aa953658799717f3cc0

  • SSDEEP

    12288:UY+IO6T88SoOiIiKApCq6/6mNGH3igjDrnLSmvc+0ZV7WYJgqFI:UY+/288bOMB0Nq3rDZc+wgZ

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6261006732:AAFiMpPz79k5Wkkw0xvICpfaipqXFQbQmmo/

Signatures

  • AgentTesla

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

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • 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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • 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
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\new-order_20191102_073809_405251-PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\new-order_20191102_073809_405251-PDF.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe
      "C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe" C:\Users\Admin\AppData\Local\Temp\kmsiwtjwgxf.ksq
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2028
      • C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe
        "C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        • outlook_office_path
        • outlook_win_path
        PID:1976

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\cagtsze.nme

    Filesize

    262KB

    MD5

    59136ada55e21031dc58896455f1a3fd

    SHA1

    20b6c89147d2aabd6ba20106f69479a4b9d2019c

    SHA256

    b2f23b411d7d4a776f7859f46fa639984eaecab6963c400e71d49d91b2b63146

    SHA512

    72e9edc201cd2f19a3cea468ca687d48782d53042794b49ec7822e8cc0cbf4d43d68b018f04c92e27780eb9e3dda3966abd9ab120e054a215f5518d0623667cd

  • C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe

    Filesize

    323KB

    MD5

    7760393f3fa0eabbe73f5313d4afd786

    SHA1

    ab7e49f3f287cdf11bf8783fe25c21247e08b4e2

    SHA256

    6e5a6f9409d5a071fb1a3fca7721993eb527aac12be9420c2401a33b41cb47ba

    SHA512

    71044983e875aad9b14762dd790a01daa73f84f3b912c62681d4193b1df623844343b903307197f24403e755fc0215f1a0421baef5bd9a0ad5e2e04a115e2374

  • C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe

    Filesize

    323KB

    MD5

    7760393f3fa0eabbe73f5313d4afd786

    SHA1

    ab7e49f3f287cdf11bf8783fe25c21247e08b4e2

    SHA256

    6e5a6f9409d5a071fb1a3fca7721993eb527aac12be9420c2401a33b41cb47ba

    SHA512

    71044983e875aad9b14762dd790a01daa73f84f3b912c62681d4193b1df623844343b903307197f24403e755fc0215f1a0421baef5bd9a0ad5e2e04a115e2374

  • C:\Users\Admin\AppData\Local\Temp\ftqjwve.exe

    Filesize

    323KB

    MD5

    7760393f3fa0eabbe73f5313d4afd786

    SHA1

    ab7e49f3f287cdf11bf8783fe25c21247e08b4e2

    SHA256

    6e5a6f9409d5a071fb1a3fca7721993eb527aac12be9420c2401a33b41cb47ba

    SHA512

    71044983e875aad9b14762dd790a01daa73f84f3b912c62681d4193b1df623844343b903307197f24403e755fc0215f1a0421baef5bd9a0ad5e2e04a115e2374

  • C:\Users\Admin\AppData\Local\Temp\kmsiwtjwgxf.ksq

    Filesize

    5KB

    MD5

    e7a050fa398df8890027dfa27cf0bd4c

    SHA1

    1049f60f10828a36ed54900dea59c69f1601a91e

    SHA256

    d785f27be71e26a1c4cdcea16f78d5240e246efd48aad5d26621490b7c702c7b

    SHA512

    5cb61b7d9f04eb5af7cc02da3a374330e0dcdf1bff48d110ce5b8e2c1ed549faddfb0bd4db86060f0beffc98c01685e84d4820c26db28f15a490128d0bc299ed

  • \Users\Admin\AppData\Local\Temp\ftqjwve.exe

    Filesize

    323KB

    MD5

    7760393f3fa0eabbe73f5313d4afd786

    SHA1

    ab7e49f3f287cdf11bf8783fe25c21247e08b4e2

    SHA256

    6e5a6f9409d5a071fb1a3fca7721993eb527aac12be9420c2401a33b41cb47ba

    SHA512

    71044983e875aad9b14762dd790a01daa73f84f3b912c62681d4193b1df623844343b903307197f24403e755fc0215f1a0421baef5bd9a0ad5e2e04a115e2374

  • \Users\Admin\AppData\Local\Temp\ftqjwve.exe

    Filesize

    323KB

    MD5

    7760393f3fa0eabbe73f5313d4afd786

    SHA1

    ab7e49f3f287cdf11bf8783fe25c21247e08b4e2

    SHA256

    6e5a6f9409d5a071fb1a3fca7721993eb527aac12be9420c2401a33b41cb47ba

    SHA512

    71044983e875aad9b14762dd790a01daa73f84f3b912c62681d4193b1df623844343b903307197f24403e755fc0215f1a0421baef5bd9a0ad5e2e04a115e2374

  • memory/1976-65-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1976-68-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1976-70-0x0000000000400000-0x0000000000441000-memory.dmp

    Filesize

    260KB

  • memory/1976-71-0x0000000001CA0000-0x0000000001CD0000-memory.dmp

    Filesize

    192KB

  • memory/1976-72-0x0000000004490000-0x00000000044D0000-memory.dmp

    Filesize

    256KB