Analysis

  • max time kernel
    122s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231201-en
  • resource tags

    arch:x64arch:x86image:win7-20231201-enlocale:en-usos:windows7-x64system
  • submitted
    05-12-2023 02:40

General

  • Target

    f878afdeb64bcecf49ccee9852553bb2048a03c7b9b00d05a3fc525c5c9e50a3.exe

  • Size

    814KB

  • MD5

    4ec73460f316448eceaab0af6a4213b9

  • SHA1

    c5df88635161783940033de1e483a4b67af83cf8

  • SHA256

    f878afdeb64bcecf49ccee9852553bb2048a03c7b9b00d05a3fc525c5c9e50a3

  • SHA512

    469968e5b3a469e57673310670cba1fff063976d9b4fc7c08512f649805e7806f334a236071ee7c7ba0c44145a9398bd0a54038e3431c596dc701a63e71870b9

  • SSDEEP

    12288:gWwrvtW8G34/uK45+po2FYmMc34StmUAEfUZrFxKEDqMdvPJ:Cu34/up+pJP/fU5b1DqMVJ

Malware Config

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.

  • 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 use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f878afdeb64bcecf49ccee9852553bb2048a03c7b9b00d05a3fc525c5c9e50a3.exe
    "C:\Users\Admin\AppData\Local\Temp\f878afdeb64bcecf49ccee9852553bb2048a03c7b9b00d05a3fc525c5c9e50a3.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2168
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\VKQJbYP.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1904
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\VKQJbYP" /XML "C:\Users\Admin\AppData\Local\Temp\tmp47E9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2816
    • C:\Users\Admin\AppData\Local\Temp\f878afdeb64bcecf49ccee9852553bb2048a03c7b9b00d05a3fc525c5c9e50a3.exe
      "C:\Users\Admin\AppData\Local\Temp\f878afdeb64bcecf49ccee9852553bb2048a03c7b9b00d05a3fc525c5c9e50a3.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2772

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp47E9.tmp

    Filesize

    1KB

    MD5

    75f52cf4b98c3247c83f39af7917b50c

    SHA1

    8a14818df4bf8b84cd5d54324d29a23e0a66e7f1

    SHA256

    e0791de559b77b39edd62b592aac8adde59393ce507ac611596535de13eb57df

    SHA512

    ed71bc9faecd785eb934ef05a1159641ba63766fb5b956f7720600b7243e8226123cf4f0b7940337071f5de31e9321dcf9a391c6d08d11d55dd0c29193721c1a

  • memory/1904-33-0x000000006F230000-0x000000006F7DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1904-30-0x0000000002D20000-0x0000000002D60000-memory.dmp

    Filesize

    256KB

  • memory/1904-29-0x000000006F230000-0x000000006F7DB000-memory.dmp

    Filesize

    5.7MB

  • memory/1904-28-0x0000000002D20000-0x0000000002D60000-memory.dmp

    Filesize

    256KB

  • memory/1904-27-0x000000006F230000-0x000000006F7DB000-memory.dmp

    Filesize

    5.7MB

  • memory/2168-6-0x0000000005040000-0x00000000050BC000-memory.dmp

    Filesize

    496KB

  • memory/2168-23-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2168-1-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2168-2-0x00000000006D0000-0x0000000000710000-memory.dmp

    Filesize

    256KB

  • memory/2168-3-0x0000000000710000-0x0000000000728000-memory.dmp

    Filesize

    96KB

  • memory/2168-0-0x0000000001290000-0x0000000001362000-memory.dmp

    Filesize

    840KB

  • memory/2168-4-0x0000000000340000-0x0000000000348000-memory.dmp

    Filesize

    32KB

  • memory/2168-5-0x00000000004D0000-0x00000000004DA000-memory.dmp

    Filesize

    40KB

  • memory/2772-17-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-24-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-26-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-19-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2772-15-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-16-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-31-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2772-32-0x0000000004B30000-0x0000000004B70000-memory.dmp

    Filesize

    256KB

  • memory/2772-14-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2772-34-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2772-35-0x0000000004B30000-0x0000000004B70000-memory.dmp

    Filesize

    256KB