Analysis

  • max time kernel
    118s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20231020-en
  • resource tags

    arch:x64arch:x86image:win7-20231020-enlocale:en-usos:windows7-x64system
  • submitted
    24/11/2023, 03:02

General

  • Target

    481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c.exe

  • Size

    690KB

  • MD5

    f79b95608c944a2b41276afdfc501e87

  • SHA1

    d61f55f920e26b17f5974345eaf693637b045f1f

  • SHA256

    481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c

  • SHA512

    671bfab8ea97d2a71fe8c2b34fbcb9fe6f5eae03667ff026045b496d0276036101bd23234db4f47c57781da99cbd3808cc083d9345625ef9fe60f93c02d5670b

  • SSDEEP

    12288:v7/oLXGkJlBf3cr6saDVz49YilDUDiIEjzV78wWZwhr4yP2Bj1T:w2k7Bf3R1DVzEFD7dfPh3

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 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c.exe
    "C:\Users\Admin\AppData\Local\Temp\481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2032
    • 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\481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2676
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\xkZrkToHavO.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2712
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\xkZrkToHavO" /XML "C:\Users\Admin\AppData\Local\Temp\tmpA831.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:2820
    • C:\Users\Admin\AppData\Local\Temp\481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c.exe
      "C:\Users\Admin\AppData\Local\Temp\481a5f2f40a3bd543ee6084c148e5713080a7d835a20ed22ef6f8b02cf10ff6c.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2448

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmpA831.tmp

    Filesize

    1KB

    MD5

    a0be78cf79ecc2808a33ae55b3014bea

    SHA1

    38e4dfa24b9df260311759aade905e908b0e15ca

    SHA256

    af1ad99652beea4b23da48c80b79ac4b23651b5408d55f441a78f0f9674618f0

    SHA512

    4bba7ed46619da9f9c4d96cbcc21819d5410e038057b9ac14ccfaa5a8d9b2b5d75b5296ad057cf4410ae1453c17e2fce3dbcef436c4a114bcdc04e9646b0a418

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\QNYKYWSUSKBOFPX5YM6R.temp

    Filesize

    7KB

    MD5

    df4b33f55f03b2db98d9d4483c59fa24

    SHA1

    e617f1c047adf01761f2008176c14efe25e3aa72

    SHA256

    9121d3d89d2a5ab03f27d282a00f9b98d6c40a37ef1b62f8881661410c55bb9d

    SHA512

    cdb46f581528784147befba1b009417a0ba14caf5fb1f481ed04344a1cd5ac17645858f454ce00d933d0d64dcc2696adbf311df9495067c5f93286b01fb9dcb2

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

    Filesize

    7KB

    MD5

    df4b33f55f03b2db98d9d4483c59fa24

    SHA1

    e617f1c047adf01761f2008176c14efe25e3aa72

    SHA256

    9121d3d89d2a5ab03f27d282a00f9b98d6c40a37ef1b62f8881661410c55bb9d

    SHA512

    cdb46f581528784147befba1b009417a0ba14caf5fb1f481ed04344a1cd5ac17645858f454ce00d933d0d64dcc2696adbf311df9495067c5f93286b01fb9dcb2

  • memory/2032-0-0x0000000000C30000-0x0000000000CE2000-memory.dmp

    Filesize

    712KB

  • memory/2032-1-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2032-2-0x0000000004EE0000-0x0000000004F20000-memory.dmp

    Filesize

    256KB

  • memory/2032-3-0x0000000000610000-0x0000000000628000-memory.dmp

    Filesize

    96KB

  • memory/2032-4-0x0000000000500000-0x0000000000506000-memory.dmp

    Filesize

    24KB

  • memory/2032-5-0x0000000000670000-0x000000000067A000-memory.dmp

    Filesize

    40KB

  • memory/2032-6-0x000000000D130000-0x000000000D1AA000-memory.dmp

    Filesize

    488KB

  • memory/2032-31-0x0000000074E70000-0x000000007555E000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-25-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/2448-38-0x0000000073B50000-0x000000007423E000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-23-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-20-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-27-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-19-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-32-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-29-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2448-43-0x0000000073B50000-0x000000007423E000-memory.dmp

    Filesize

    6.9MB

  • memory/2448-39-0x00000000022B0000-0x00000000022F0000-memory.dmp

    Filesize

    256KB

  • memory/2448-21-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/2676-36-0x000000006FCE0000-0x000000007028B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-41-0x000000006FCE0000-0x000000007028B000-memory.dmp

    Filesize

    5.7MB

  • memory/2676-33-0x000000006FCE0000-0x000000007028B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-37-0x000000006FCE0000-0x000000007028B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-35-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2712-34-0x000000006FCE0000-0x000000007028B000-memory.dmp

    Filesize

    5.7MB

  • memory/2712-40-0x0000000002680000-0x00000000026C0000-memory.dmp

    Filesize

    256KB

  • memory/2712-42-0x000000006FCE0000-0x000000007028B000-memory.dmp

    Filesize

    5.7MB