Analysis

  • max time kernel
    83s
  • max time network
    138s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    30-03-2023 01:57

General

  • Target

    1ece69250479067fb51414e7c01b699b5db1e7459c8e640c2ef6d431dfa9f280.exe

  • Size

    967KB

  • MD5

    ce039bcd4672b566536e4ad1c125f6b8

  • SHA1

    a7361a87dadd9f10e161f96c55c6f5638324b812

  • SHA256

    1ece69250479067fb51414e7c01b699b5db1e7459c8e640c2ef6d431dfa9f280

  • SHA512

    cdbc9bd03dd1be617c1a66cdd5c7181b1baf6b43c3a3489d9b9a823468c187155a1b12c26a5b3952cf1f8d572b3da04aff3f3cb6c931a2b16d116eb3ec079209

  • SSDEEP

    12288:YUJB0OiBEjKTIGy3aXM6GxS+pxuToRzIwpAJpyHcmnE9ZoH/s1auGqKGloF8O2/f:R5jKU6XMOqxd3pTHcmE/QuGc5DB

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

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

  • 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.

  • 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 12 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ece69250479067fb51414e7c01b699b5db1e7459c8e640c2ef6d431dfa9f280.exe
    "C:\Users\Admin\AppData\Local\Temp\1ece69250479067fb51414e7c01b699b5db1e7459c8e640c2ef6d431dfa9f280.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:832
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\1ece69250479067fb51414e7c01b699b5db1e7459c8e640c2ef6d431dfa9f280.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:464
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XFlZGry.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:300
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XFlZGry" /XML "C:\Users\Admin\AppData\Local\Temp\tmpF1DE.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1688
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:1804

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpF1DE.tmp

    Filesize

    1KB

    MD5

    b590b3df2613ca5bc2baad2993832a8b

    SHA1

    8b65704ad75fa12b7d2199c45eb6a7a4a9c2c0a2

    SHA256

    a2e2d88c5d683cf8ff61b17111c3581e613c0c4e4ac78b9a24e871958b407776

    SHA512

    1daa78ce2d76dc24e15458aecc3232773815c0f1ed3da915e9fd1829b930e399fc28e03a6a822888a79da2ed26cd26b2d2ee5a00cd4a947da8027279929f0a7c

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\NKOC5DI15L9GL04IQJAS.temp

    Filesize

    7KB

    MD5

    a0edcdad133d7c86f56abf9342006f1e

    SHA1

    a3bdcd2cd090963979c5af24fa669187f16da619

    SHA256

    779d7fbc0d7c601989b922989fccc88e36ebf3e794bdbfd77e0465f6e35dc956

    SHA512

    a0ab160a1f96283d76cec899fea2c0dda5cb560f7c893935f865af0a3f87fc2e23b82a8317bbe9dbc62d629929130cb92e25e3fea2c3e67576163a2a4a78f323

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms

    Filesize

    7KB

    MD5

    a0edcdad133d7c86f56abf9342006f1e

    SHA1

    a3bdcd2cd090963979c5af24fa669187f16da619

    SHA256

    779d7fbc0d7c601989b922989fccc88e36ebf3e794bdbfd77e0465f6e35dc956

    SHA512

    a0ab160a1f96283d76cec899fea2c0dda5cb560f7c893935f865af0a3f87fc2e23b82a8317bbe9dbc62d629929130cb92e25e3fea2c3e67576163a2a4a78f323

  • memory/464-84-0x0000000002280000-0x00000000022C0000-memory.dmp

    Filesize

    256KB

  • memory/464-83-0x0000000002280000-0x00000000022C0000-memory.dmp

    Filesize

    256KB

  • memory/832-55-0x00000000047F0000-0x0000000004830000-memory.dmp

    Filesize

    256KB

  • memory/832-56-0x00000000009D0000-0x00000000009F0000-memory.dmp

    Filesize

    128KB

  • memory/832-57-0x00000000047F0000-0x0000000004830000-memory.dmp

    Filesize

    256KB

  • memory/832-58-0x0000000000A00000-0x0000000000A0C000-memory.dmp

    Filesize

    48KB

  • memory/832-59-0x00000000060A0000-0x000000000614A000-memory.dmp

    Filesize

    680KB

  • memory/832-72-0x0000000004A90000-0x0000000004AC2000-memory.dmp

    Filesize

    200KB

  • memory/832-54-0x0000000000C60000-0x0000000000D58000-memory.dmp

    Filesize

    992KB

  • memory/1804-74-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-76-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-77-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/1804-78-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-80-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-82-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-75-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-73-0x0000000000400000-0x0000000000430000-memory.dmp

    Filesize

    192KB

  • memory/1804-85-0x0000000000520000-0x0000000000560000-memory.dmp

    Filesize

    256KB

  • memory/1804-109-0x0000000000520000-0x0000000000560000-memory.dmp

    Filesize

    256KB