Analysis

  • max time kernel
    106s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-03-2023 13:09

General

  • Target

    Order Spec 122001400100.exe

  • Size

    318KB

  • MD5

    4d9e63c46ed5f1fdfbbb41b2088f411c

  • SHA1

    65632c2913f5d25e518c1d4760b21fb4441aac86

  • SHA256

    87214f349c6c4a1dd838d005fd0a6bbac96d1cf77b954a9ce33c66006d090cf0

  • SHA512

    42d5fc250b0c0f004e747c42eee537e45d8b5d4cafde3c8acbf5617f223f90492e1132a23de86762fa273c82871b0f666c449b3f3eff9ebd5c1eb29adfd806b4

  • SSDEEP

    6144:vYa6CVvPsNEPYWv/6Z9baO31qC6vd94BJGt9SFjy/F/A3ukRN/:vYMN0xy6DbaOFqhyGfh/t/4R

Malware Config

Signatures

  • AgentTesla

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

  • Executes dropped EXE 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
  • 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 WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Order Spec 122001400100.exe
    "C:\Users\Admin\AppData\Local\Temp\Order Spec 122001400100.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2364
    • C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe
      "C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe" C:\Users\Admin\AppData\Local\Temp\sebcx.do
      2⤵
      • Executes dropped EXE
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2956
      • C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe
        "C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe"
        3⤵
        • Executes dropped EXE
        • Accesses Microsoft Outlook profiles
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2248

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\cgqwlabnp.azn
    Filesize

    262KB

    MD5

    f8a0f47588d8977a67454efba8cb4948

    SHA1

    6384db508ad910c891fac93d18e6401219e73ac7

    SHA256

    3f9c4243629119b02097a827a6198760bf6004a1eee2d0da8deaf3a2d465a60f

    SHA512

    2f8fb83eb88a7bd6d16a896504cff8afa0ce72edc6d6acd9aa3f852ee0dcc287401bc922087b7085c2f77f772ced233cdcbc1f4e7bb9543c7014994010ad876e

  • C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe
    Filesize

    108KB

    MD5

    1f4ac6a4a2fe279b1ab731afe0c7087e

    SHA1

    c84769ff37ee558c7f37c5c40ef03f36cb7f8f52

    SHA256

    1ee50c13963ba8c141c9995af7a01089d5fc57315b09945c5aa3a984ef8a3ba0

    SHA512

    700d24caf59b288d1cdbb990d107b48c69fcb8b20a1b1f4d175031a04fa2222186494e85ba85be2b3895b12ba230e82fc043bf6ef87c9d921444341b8c7955f5

  • C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe
    Filesize

    108KB

    MD5

    1f4ac6a4a2fe279b1ab731afe0c7087e

    SHA1

    c84769ff37ee558c7f37c5c40ef03f36cb7f8f52

    SHA256

    1ee50c13963ba8c141c9995af7a01089d5fc57315b09945c5aa3a984ef8a3ba0

    SHA512

    700d24caf59b288d1cdbb990d107b48c69fcb8b20a1b1f4d175031a04fa2222186494e85ba85be2b3895b12ba230e82fc043bf6ef87c9d921444341b8c7955f5

  • C:\Users\Admin\AppData\Local\Temp\dnghzmauol.exe
    Filesize

    108KB

    MD5

    1f4ac6a4a2fe279b1ab731afe0c7087e

    SHA1

    c84769ff37ee558c7f37c5c40ef03f36cb7f8f52

    SHA256

    1ee50c13963ba8c141c9995af7a01089d5fc57315b09945c5aa3a984ef8a3ba0

    SHA512

    700d24caf59b288d1cdbb990d107b48c69fcb8b20a1b1f4d175031a04fa2222186494e85ba85be2b3895b12ba230e82fc043bf6ef87c9d921444341b8c7955f5

  • C:\Users\Admin\AppData\Local\Temp\sebcx.do
    Filesize

    5KB

    MD5

    4dd10a2acbd323f745a69f123fce1733

    SHA1

    ce7cad4836b3a7325dfdbd15714e2e4025859d0f

    SHA256

    41f7bc5a9bdce68a49056f99bc23abf9289fb955bdeca5f5230e952c652e2ccd

    SHA512

    01e5faf28b37c36563036670b653192293d46b5c52e7e6007efd47609ca294ae5620bfaa641cfeaedefa8b1d0155faecf023963ce311fe0693cf82d1276e3fa0

  • memory/2248-148-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-152-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-144-0x0000000000400000-0x0000000000441000-memory.dmp
    Filesize

    260KB

  • memory/2248-146-0x0000000000400000-0x0000000000441000-memory.dmp
    Filesize

    260KB

  • memory/2248-147-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-141-0x0000000000400000-0x0000000000441000-memory.dmp
    Filesize

    260KB

  • memory/2248-149-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-150-0x0000000005FF0000-0x0000000006594000-memory.dmp
    Filesize

    5.6MB

  • memory/2248-151-0x00000000059B0000-0x0000000005A16000-memory.dmp
    Filesize

    408KB

  • memory/2248-143-0x0000000000400000-0x0000000000441000-memory.dmp
    Filesize

    260KB

  • memory/2248-153-0x0000000006880000-0x0000000006912000-memory.dmp
    Filesize

    584KB

  • memory/2248-154-0x0000000006850000-0x000000000685A000-memory.dmp
    Filesize

    40KB

  • memory/2248-155-0x0000000006B20000-0x0000000006B70000-memory.dmp
    Filesize

    320KB

  • memory/2248-156-0x0000000006D40000-0x0000000006F02000-memory.dmp
    Filesize

    1.8MB

  • memory/2248-158-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-157-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-159-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB

  • memory/2248-160-0x0000000005A30000-0x0000000005A40000-memory.dmp
    Filesize

    64KB