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Analysis

  • max time kernel
    94s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2024, 05:51 UTC

General

  • Target

    38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe

  • Size

    920KB

  • MD5

    78eff09f295aa4b3aaf36af5245efe94

  • SHA1

    dea545e8b85f2c1201f7aa3a54f643826ca8a6ed

  • SHA256

    38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106

  • SHA512

    a8b49247156aa7004206f24211054f7f37c73df06e8a85ecf843e9c44cc99a5cf29886e85ba03d89a87a1d3968322c25cdef7877ae6c5efcfa946910204ce67f

  • SSDEEP

    12288:T3TEG/N9AKPGu+MAyn6+6Slh5/2qVe2lR8XaZW4IaBAP7r9r/+ppppppppppppp7:8AnAPRo6+pPOnoR8X2W4JBA1q

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.iaa-airferight.com
  • Port:
    587
  • Username:
    admin@iaa-airferight.com
  • Password:
    manlikeyou88
  • Email To:
    admin@iaa-airferight.com

Signatures

  • AgentTesla

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

  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • 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 3 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).

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 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 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
    "C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1776
    • 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\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2520
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\zriEHRxkd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2996
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\zriEHRxkd" /XML "C:\Users\Admin\AppData\Local\Temp\tmp9FBA.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3296
    • C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
      "C:\Users\Admin\AppData\Local\Temp\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3448

Network

  • flag-us
    DNS
    8.8.8.8.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    8.8.8.8.in-addr.arpa
    IN PTR
    Response
    8.8.8.8.in-addr.arpa
    IN PTR
    dnsgoogle
  • flag-us
    DNS
    149.220.183.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    149.220.183.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    172.210.232.199.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    172.210.232.199.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    69.31.126.40.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    69.31.126.40.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    95.221.229.192.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    95.221.229.192.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    mail.iaa-airferight.com
    38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
    Remote address:
    8.8.8.8:53
    Request
    mail.iaa-airferight.com
    IN A
    Response
    mail.iaa-airferight.com
    IN A
    46.175.148.58
  • flag-us
    DNS
    26.165.165.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    26.165.165.52.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    18.31.95.13.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    18.31.95.13.in-addr.arpa
    IN PTR
    Response
  • flag-us
    DNS
    75.117.19.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    75.117.19.2.in-addr.arpa
    IN PTR
    Response
    75.117.19.2.in-addr.arpa
    IN PTR
    a2-19-117-75deploystaticakamaitechnologiescom
  • flag-us
    DNS
    83.210.23.2.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    83.210.23.2.in-addr.arpa
    IN PTR
    Response
    83.210.23.2.in-addr.arpa
    IN PTR
    a2-23-210-83deploystaticakamaitechnologiescom
  • flag-us
    DNS
    22.236.111.52.in-addr.arpa
    Remote address:
    8.8.8.8:53
    Request
    22.236.111.52.in-addr.arpa
    IN PTR
    Response
  • 46.175.148.58:25
    mail.iaa-airferight.com
    38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
    260 B
    5
  • 8.8.8.8:53
    8.8.8.8.in-addr.arpa
    dns
    66 B
    90 B
    1
    1

    DNS Request

    8.8.8.8.in-addr.arpa

  • 8.8.8.8:53
    149.220.183.52.in-addr.arpa
    dns
    73 B
    147 B
    1
    1

    DNS Request

    149.220.183.52.in-addr.arpa

  • 8.8.8.8:53
    172.210.232.199.in-addr.arpa
    dns
    74 B
    128 B
    1
    1

    DNS Request

    172.210.232.199.in-addr.arpa

  • 8.8.8.8:53
    69.31.126.40.in-addr.arpa
    dns
    71 B
    157 B
    1
    1

    DNS Request

    69.31.126.40.in-addr.arpa

  • 8.8.8.8:53
    95.221.229.192.in-addr.arpa
    dns
    73 B
    144 B
    1
    1

    DNS Request

    95.221.229.192.in-addr.arpa

  • 8.8.8.8:53
    mail.iaa-airferight.com
    dns
    38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe
    69 B
    85 B
    1
    1

    DNS Request

    mail.iaa-airferight.com

    DNS Response

    46.175.148.58

  • 8.8.8.8:53
    26.165.165.52.in-addr.arpa
    dns
    72 B
    146 B
    1
    1

    DNS Request

    26.165.165.52.in-addr.arpa

  • 8.8.8.8:53
    18.31.95.13.in-addr.arpa
    dns
    70 B
    144 B
    1
    1

    DNS Request

    18.31.95.13.in-addr.arpa

  • 8.8.8.8:53
    75.117.19.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    75.117.19.2.in-addr.arpa

  • 8.8.8.8:53
    83.210.23.2.in-addr.arpa
    dns
    70 B
    133 B
    1
    1

    DNS Request

    83.210.23.2.in-addr.arpa

  • 8.8.8.8:53
    22.236.111.52.in-addr.arpa
    dns
    72 B
    158 B
    1
    1

    DNS Request

    22.236.111.52.in-addr.arpa

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\38f275624c634801c164c2c8f3294cbeea49b47e8e8d83bda53a0bc8aa7f7106.exe.log

    Filesize

    1KB

    MD5

    8ec831f3e3a3f77e4a7b9cd32b48384c

    SHA1

    d83f09fd87c5bd86e045873c231c14836e76a05c

    SHA256

    7667e538030e3f8ce2886e47a01af24cb0ea70528b1e821c5d8832c5076cb982

    SHA512

    26bffa2406b66368bd412bf25869a792631455645992cdcade2dbc13a2e56fb546414a6a9223b94c96c38d89187add6678d4779a88b38b0c9e36be8527b213c3

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log

    Filesize

    2KB

    MD5

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

    Filesize

    18KB

    MD5

    290d748e9872b7d8936b1a751d2e8ce0

    SHA1

    f55ba0ca9ed86e9a99b72e489918540724cfc533

    SHA256

    6d514b3b56bb18cf64d063529c3d876f68626a3f1046e9a34880beb7135bdbf2

    SHA512

    91b5987083c34c9803accb1f7cea5ad3dcbc2d4bb3f82ff666d14b9a14b10ec435ad5ed622147141df6c761d603d2b2893d47fc8febad44a127dd2fbc535efb2

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0cit1e4i.tfk.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp9FBA.tmp

    Filesize

    1KB

    MD5

    554e06f33d26079ae52b081fb11efd63

    SHA1

    678a361972aab14d0757f8f4f77d50e6eb130a66

    SHA256

    a7a3c288c1b08d18195753b0c007f98a88a51beea3269ce60018e17af7f5fbcd

    SHA512

    d8e90fd34618f39ce6333ea1e4d9949fba4dd5da572f5f32c89d27695d3779a856a707b0ea039d9283a2a23a5f036db109cfebe47c542014e74373c6df8fb52c

  • memory/1776-8-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1776-6-0x0000000005B10000-0x0000000005B2E000-memory.dmp

    Filesize

    120KB

  • memory/1776-7-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/1776-5-0x0000000005880000-0x000000000588A000-memory.dmp

    Filesize

    40KB

  • memory/1776-9-0x0000000003180000-0x0000000003202000-memory.dmp

    Filesize

    520KB

  • memory/1776-10-0x000000000B840000-0x000000000B8DC000-memory.dmp

    Filesize

    624KB

  • memory/1776-4-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1776-0-0x0000000074BCE000-0x0000000074BCF000-memory.dmp

    Filesize

    4KB

  • memory/1776-3-0x0000000005900000-0x0000000005992000-memory.dmp

    Filesize

    584KB

  • memory/1776-46-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/1776-2-0x0000000005EB0000-0x0000000006454000-memory.dmp

    Filesize

    5.6MB

  • memory/1776-1-0x0000000000EF0000-0x0000000000FDC000-memory.dmp

    Filesize

    944KB

  • memory/2520-17-0x0000000005020000-0x0000000005648000-memory.dmp

    Filesize

    6.2MB

  • memory/2520-50-0x0000000005E00000-0x0000000005E1E000-memory.dmp

    Filesize

    120KB

  • memory/2520-22-0x0000000004F60000-0x0000000004F82000-memory.dmp

    Filesize

    136KB

  • memory/2520-21-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-27-0x0000000005850000-0x0000000005BA4000-memory.dmp

    Filesize

    3.3MB

  • memory/2520-24-0x00000000057E0000-0x0000000005846000-memory.dmp

    Filesize

    408KB

  • memory/2520-91-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-18-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-15-0x0000000004890000-0x00000000048C6000-memory.dmp

    Filesize

    216KB

  • memory/2520-16-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2520-82-0x0000000007490000-0x00000000074AA000-memory.dmp

    Filesize

    104KB

  • memory/2520-78-0x00000000073D0000-0x0000000007466000-memory.dmp

    Filesize

    600KB

  • memory/2520-51-0x0000000005E90000-0x0000000005EDC000-memory.dmp

    Filesize

    304KB

  • memory/2520-81-0x0000000007390000-0x00000000073A4000-memory.dmp

    Filesize

    80KB

  • memory/2520-64-0x0000000075430000-0x000000007547C000-memory.dmp

    Filesize

    304KB

  • memory/2520-23-0x00000000056C0000-0x0000000005726000-memory.dmp

    Filesize

    408KB

  • memory/2520-80-0x0000000007380000-0x000000000738E000-memory.dmp

    Filesize

    56KB

  • memory/2520-74-0x0000000006DF0000-0x0000000006E93000-memory.dmp

    Filesize

    652KB

  • memory/2520-76-0x0000000007150000-0x000000000716A000-memory.dmp

    Filesize

    104KB

  • memory/2520-75-0x0000000007790000-0x0000000007E0A000-memory.dmp

    Filesize

    6.5MB

  • memory/2520-79-0x0000000007350000-0x0000000007361000-memory.dmp

    Filesize

    68KB

  • memory/2996-53-0x0000000075430000-0x000000007547C000-memory.dmp

    Filesize

    304KB

  • memory/2996-77-0x0000000006FE0000-0x0000000006FEA000-memory.dmp

    Filesize

    40KB

  • memory/2996-52-0x0000000006240000-0x0000000006272000-memory.dmp

    Filesize

    200KB

  • memory/2996-63-0x0000000006170000-0x000000000618E000-memory.dmp

    Filesize

    120KB

  • memory/2996-25-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-83-0x0000000007290000-0x0000000007298000-memory.dmp

    Filesize

    32KB

  • memory/2996-86-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-26-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/2996-19-0x0000000074BC0000-0x0000000075370000-memory.dmp

    Filesize

    7.7MB

  • memory/3448-87-0x0000000005F80000-0x0000000005FD0000-memory.dmp

    Filesize

    320KB

  • memory/3448-28-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

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