Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows10-1703_x64
  • resource
    win10-20230220-en
  • resource tags

    arch:x64arch:x86image:win10-20230220-enlocale:en-usos:windows10-1703-x64system
  • submitted
    07-05-2023 09:29

General

  • Target

    7170058dac6c9006c7fd6273b4a824277cbac873f61c117b22279ce0cd425b62.exe

  • Size

    962KB

  • MD5

    3217930a87bf8b38ba8d474862548853

  • SHA1

    3ffc1d60ad13db9a291f03b0f8ff35c0281e7d5d

  • SHA256

    7170058dac6c9006c7fd6273b4a824277cbac873f61c117b22279ce0cd425b62

  • SHA512

    295b41f2035888446230a29f214cdfcc78d93eab3f1720387997b16630bda3698b4f3dabd31b4cbf79dc2d319d8cfb59b442ec2c72c74afec1e3b6143a91112f

  • SSDEEP

    24576:R7Q12srPK7afcfX/9e4+l2gNG82VDkB0+9ud:R+Iafcle4U2gNGnYB0z

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot5641589629:AAE7PbYkX7JPIEd1r5HHvkG2FiDsJ1HpC0c/

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
  • 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.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7170058dac6c9006c7fd6273b4a824277cbac873f61c117b22279ce0cd425b62.exe
    "C:\Users\Admin\AppData\Local\Temp\7170058dac6c9006c7fd6273b4a824277cbac873f61c117b22279ce0cd425b62.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3272
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\rpYsHtG.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4916
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\rpYsHtG" /XML "C:\Users\Admin\AppData\Local\Temp\tmp85D9.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3244
    • C:\Users\Admin\AppData\Local\Temp\7170058dac6c9006c7fd6273b4a824277cbac873f61c117b22279ce0cd425b62.exe
      "C:\Users\Admin\AppData\Local\Temp\7170058dac6c9006c7fd6273b4a824277cbac873f61c117b22279ce0cd425b62.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • Suspicious use of AdjustPrivilegeToken
      • outlook_office_path
      • outlook_win_path
      PID:2484

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_02ileetw.ifl.ps1
    Filesize

    1B

    MD5

    c4ca4238a0b923820dcc509a6f75849b

    SHA1

    356a192b7913b04c54574d18c28d46e6395428ab

    SHA256

    6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

    SHA512

    4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

  • C:\Users\Admin\AppData\Local\Temp\tmp85D9.tmp
    Filesize

    1KB

    MD5

    6e3d339e8a7ba4ec35cb171ccdcf80bd

    SHA1

    8b3be222391e1a57383fcc9803d81d82e1f7133c

    SHA256

    b082421c2896bcb91dc25ad135adc610c4c3f7ed35d371a19f8e08c8bcbd7a10

    SHA512

    12389ebf5cf44e712bff27e1ff7229f6f229c0156ba63868d261412e0ee3286bc3381aaeb94d636bfef9496af466ffbac16eda0b715e9db09152e8d22b9e1c7f

  • memory/2484-150-0x0000000005070000-0x0000000005080000-memory.dmp
    Filesize

    64KB

  • memory/2484-146-0x00000000050F0000-0x0000000005156000-memory.dmp
    Filesize

    408KB

  • memory/2484-143-0x0000000000400000-0x0000000000430000-memory.dmp
    Filesize

    192KB

  • memory/2484-248-0x00000000069A0000-0x00000000069F0000-memory.dmp
    Filesize

    320KB

  • memory/2484-249-0x0000000006CA0000-0x0000000006E62000-memory.dmp
    Filesize

    1.8MB

  • memory/2484-403-0x0000000005070000-0x0000000005080000-memory.dmp
    Filesize

    64KB

  • memory/3272-131-0x0000000005720000-0x00000000057BC000-memory.dmp
    Filesize

    624KB

  • memory/3272-130-0x00000000055E0000-0x0000000005662000-memory.dmp
    Filesize

    520KB

  • memory/3272-121-0x0000000000840000-0x0000000000936000-memory.dmp
    Filesize

    984KB

  • memory/3272-129-0x0000000002B70000-0x0000000002B7C000-memory.dmp
    Filesize

    48KB

  • memory/3272-128-0x0000000007920000-0x0000000007930000-memory.dmp
    Filesize

    64KB

  • memory/3272-127-0x0000000002A80000-0x0000000002A92000-memory.dmp
    Filesize

    72KB

  • memory/3272-126-0x0000000007920000-0x0000000007930000-memory.dmp
    Filesize

    64KB

  • memory/3272-142-0x0000000006AD0000-0x0000000006B1A000-memory.dmp
    Filesize

    296KB

  • memory/3272-125-0x0000000007680000-0x000000000768A000-memory.dmp
    Filesize

    40KB

  • memory/3272-124-0x0000000007FB0000-0x0000000008300000-memory.dmp
    Filesize

    3.3MB

  • memory/3272-123-0x0000000007690000-0x0000000007722000-memory.dmp
    Filesize

    584KB

  • memory/3272-122-0x0000000007AB0000-0x0000000007FAE000-memory.dmp
    Filesize

    5.0MB

  • memory/4916-148-0x0000000006DE0000-0x0000000006E46000-memory.dmp
    Filesize

    408KB

  • memory/4916-149-0x0000000007590000-0x00000000078E0000-memory.dmp
    Filesize

    3.3MB

  • memory/4916-147-0x0000000006C60000-0x0000000006C82000-memory.dmp
    Filesize

    136KB

  • memory/4916-151-0x0000000007900000-0x000000000791C000-memory.dmp
    Filesize

    112KB

  • memory/4916-152-0x0000000007F30000-0x0000000007F7B000-memory.dmp
    Filesize

    300KB

  • memory/4916-153-0x0000000007D00000-0x0000000007D76000-memory.dmp
    Filesize

    472KB

  • memory/4916-144-0x0000000006E60000-0x0000000007488000-memory.dmp
    Filesize

    6.2MB

  • memory/4916-170-0x0000000008BC0000-0x0000000008BF3000-memory.dmp
    Filesize

    204KB

  • memory/4916-171-0x0000000008BA0000-0x0000000008BBE000-memory.dmp
    Filesize

    120KB

  • memory/4916-172-0x000000007F120000-0x000000007F130000-memory.dmp
    Filesize

    64KB

  • memory/4916-177-0x0000000008D00000-0x0000000008DA5000-memory.dmp
    Filesize

    660KB

  • memory/4916-178-0x00000000090D0000-0x0000000009164000-memory.dmp
    Filesize

    592KB

  • memory/4916-179-0x0000000006820000-0x0000000006830000-memory.dmp
    Filesize

    64KB

  • memory/4916-141-0x0000000006820000-0x0000000006830000-memory.dmp
    Filesize

    64KB

  • memory/4916-140-0x0000000006820000-0x0000000006830000-memory.dmp
    Filesize

    64KB

  • memory/4916-380-0x0000000007EF0000-0x0000000007F0A000-memory.dmp
    Filesize

    104KB

  • memory/4916-385-0x0000000007EE0000-0x0000000007EE8000-memory.dmp
    Filesize

    32KB

  • memory/4916-394-0x0000000006820000-0x0000000006830000-memory.dmp
    Filesize

    64KB

  • memory/4916-395-0x0000000006820000-0x0000000006830000-memory.dmp
    Filesize

    64KB

  • memory/4916-139-0x00000000041E0000-0x0000000004216000-memory.dmp
    Filesize

    216KB