Analysis

  • max time kernel
    47s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    25-04-2023 07:15

General

  • Target

    Ergunmakina Fiyat _PER 120 …scanneed 00101.exe

  • Size

    703KB

  • MD5

    a024dc82d60b3d3f16fd483ffa8c0ef0

  • SHA1

    ee90c1d2a592e865c568e45ca29922f2e8f3ff97

  • SHA256

    b9fc651bcd9745a7fe9aafe13a13e3280f22aa10a50a6b54edc908f783f5fdcf

  • SHA512

    9c35b9c6b9b9905b74bc09ba6f056a684dcce418704237f1a1be0999d59dba4bcf4ac41e5dee27f3525d2348baaa78897976f7ef8dd1e13b424a2206e6dfdaaa

  • SSDEEP

    12288:nvt3YHfXHG38Dv3pqkG6dEFEqDauSocCkIb404LN6N85YR:VIHfXm3CvZnGvEYa15C/b49Lf5YR

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5409839916:AAEYUYZy0IhJQAm4VXi620si4okGW8FDL2w/

Signatures

  • AgentTesla

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

  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Looks for VMWare Tools registry key 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 2 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • 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
  • Maps connected drives based on registry 3 TTPs 2 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 13 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Ergunmakina Fiyat _PER 120 …scanneed 00101.exe
    "C:\Users\Admin\AppData\Local\Temp\Ergunmakina Fiyat _PER 120 …scanneed 00101.exe"
    1⤵
    • Looks for VirtualBox Guest Additions in registry
    • Looks for VMWare Tools registry key
    • Checks BIOS information in registry
    • Maps connected drives based on registry
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1348
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ktbLokNLj" /XML "C:\Users\Admin\AppData\Local\Temp\tmp92A0.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1760
    • C:\Users\Admin\AppData\Local\Temp\Ergunmakina Fiyat _PER 120 …scanneed 00101.exe
      "{path}"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: RenamesItself
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1908

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp92A0.tmp

    Filesize

    1KB

    MD5

    4eae6ddf030305254999444e0aa95fa7

    SHA1

    c855b0fedc35c74849b95e52f5318c5d17e91dad

    SHA256

    43039bfff0ce9d78652b1929d7c6462cdc40225eb454342d62c507c5592c02c5

    SHA512

    39dd405733e9fd0404c294c9e8220d554ad590ba999462a99020e4be1f2aa7bafe16f16eb0ea0767552f52e7303ef461b8bfc0dc0375baf256a1582f92cc34a9

  • memory/1348-54-0x0000000000CB0000-0x0000000000D64000-memory.dmp

    Filesize

    720KB

  • memory/1348-55-0x0000000004BC0000-0x0000000004C00000-memory.dmp

    Filesize

    256KB

  • memory/1348-56-0x00000000005D0000-0x00000000005DC000-memory.dmp

    Filesize

    48KB

  • memory/1348-57-0x0000000004BC0000-0x0000000004C00000-memory.dmp

    Filesize

    256KB

  • memory/1348-58-0x0000000005310000-0x0000000005390000-memory.dmp

    Filesize

    512KB

  • memory/1348-59-0x00000000007F0000-0x000000000082A000-memory.dmp

    Filesize

    232KB

  • memory/1908-64-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-63-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-65-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-66-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-68-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-67-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1908-72-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-70-0x0000000000400000-0x000000000043A000-memory.dmp

    Filesize

    232KB

  • memory/1908-73-0x0000000004E00000-0x0000000004E40000-memory.dmp

    Filesize

    256KB

  • memory/1908-77-0x0000000004E00000-0x0000000004E40000-memory.dmp

    Filesize

    256KB