Analysis

  • max time kernel
    122s
  • max time network
    135s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    04-09-2023 07:38

General

  • Target

    purchase order.exe

  • Size

    926KB

  • MD5

    f4afc47fb2f9716c60fdb8d4122f9e5e

  • SHA1

    74104a8827418c1176f2b7ca58b1dba8b0c16e5f

  • SHA256

    6831649dfc680c58c565de70cd999870c1c9174ac29aa34857a89c849692b69d

  • SHA512

    1814161868555e1c81b333b77ad4a1ab351af9c8083592295a45da705550074531898cca66ea975edd750183c73522c73337cddb5ef7f3aa4b65a0e4a338409e

  • SSDEEP

    12288:7kPIkfrIkfLSWrKb1QdpPjnN6AHev4iAgUADG3J3jgzz:7mIkfrIkfG6K2Tp5i7G3Jzgz

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sachingandhiarchitects.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    devi060911

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.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 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).

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\purchase order.exe
    "C:\Users\Admin\AppData\Local\Temp\purchase order.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3056
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\UXRFmDZWkFw" /XML "C:\Users\Admin\AppData\Local\Temp\tmp118E.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2088
    • C:\Users\Admin\AppData\Local\Temp\purchase order.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Adds Run key to start application
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2984

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    344B

    MD5

    be2f0a2fcff85373bf6677e97c6fa4b7

    SHA1

    6a652663fbe34dbe0ff2bdd6598a35ce2d04823a

    SHA256

    90d7b551d64cafcde5efcf5d7c4322f9b01b01bfe797ff2c8b8ecfd41833cd4b

    SHA512

    5710a83ff1bf8e9b84d86f2fde5a5728f6b51d491d65be498b2dd844afc30c66d0cd0e74f4f13dcf144b2b482a6cde1116e91a530433780571bc23aeb8a9b348

  • C:\Users\Admin\AppData\Local\Temp\Cab3C18.tmp

    Filesize

    61KB

    MD5

    f3441b8572aae8801c04f3060b550443

    SHA1

    4ef0a35436125d6821831ef36c28ffaf196cda15

    SHA256

    6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf

    SHA512

    5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

  • C:\Users\Admin\AppData\Local\Temp\Tar3C98.tmp

    Filesize

    163KB

    MD5

    9441737383d21192400eca82fda910ec

    SHA1

    725e0d606a4fc9ba44aa8ffde65bed15e65367e4

    SHA256

    bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5

    SHA512

    7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

  • C:\Users\Admin\AppData\Local\Temp\tmp118E.tmp

    Filesize

    1KB

    MD5

    1d2072103331feb1c5ef31ae32673791

    SHA1

    8490f32343e6029d02e10c4aa78b2fdd94da2b20

    SHA256

    a1c0799aa2e6665b4cb783bdea34aaef9c9d44d9535a634416890d39c6da920f

    SHA512

    b4557b0776fab755e4e5ca0da4f5881b399738b9db17da00dcb2496425df5f3f37641507c0a25f98f810980b57eb375f7446865f474d9f2b125d0c845d9eee83

  • memory/2984-24-0x00000000049E0000-0x0000000004A20000-memory.dmp

    Filesize

    256KB

  • memory/2984-20-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2984-89-0x00000000049E0000-0x0000000004A20000-memory.dmp

    Filesize

    256KB

  • memory/2984-27-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-23-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/2984-11-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2984-13-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2984-14-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2984-15-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2984-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2984-18-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/2984-22-0x0000000000400000-0x0000000000444000-memory.dmp

    Filesize

    272KB

  • memory/3056-5-0x0000000000370000-0x0000000000384000-memory.dmp

    Filesize

    80KB

  • memory/3056-4-0x0000000004D50000-0x0000000004D90000-memory.dmp

    Filesize

    256KB

  • memory/3056-0-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-25-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-7-0x00000000021A0000-0x00000000021E4000-memory.dmp

    Filesize

    272KB

  • memory/3056-3-0x00000000748E0000-0x0000000074FCE000-memory.dmp

    Filesize

    6.9MB

  • memory/3056-2-0x0000000004D50000-0x0000000004D90000-memory.dmp

    Filesize

    256KB

  • memory/3056-1-0x0000000000280000-0x000000000036E000-memory.dmp

    Filesize

    952KB

  • memory/3056-6-0x0000000004E60000-0x0000000004EE2000-memory.dmp

    Filesize

    520KB