Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-03-2024 14:55

General

  • Target

    TelexCopy.exe

  • Size

    772KB

  • MD5

    f2168cd60deb04a9bd7817f31468e9cd

  • SHA1

    2ddc74827c961308aeba829606edb7268808e4ce

  • SHA256

    3da2acf6472e1cbc00e90110332f20a9c70d8ed0561ccfd4fe78322cdeeea5b4

  • SHA512

    92a3009b69df37b01e06e471a8915fad5c2f868a87d014eb278bcc53504a18c66a9d352e0fcc335b93ba38608a4bb91d05e9a5fab7438c585d26e17b51e13e99

  • SSDEEP

    12288:h4rGJKaRASEDRkQmnG2J7SEONrr+x3yu2bpPUCgJIhVyD4JgnJzG2wtV:2rae9Nk3GaSEOZr+x2bpcCgJI/0Y

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.swife.co.ke
  • Port:
    587
  • Username:
    swife@swife.co.ke
  • Password:
    P@ss2024!!

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.swife.co.ke
  • Port:
    587
  • Username:
    swife@swife.co.ke
  • Password:
    P@ss2024!!
  • Email To:
    coco@glamourstorepa.com.br

Signatures

  • AgentTesla

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

  • 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 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe
    "C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2188
    • 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\TelexCopy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4604
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ChQxeCBRDlDTBo.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1232
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChQxeCBRDlDTBo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp73F7.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3940
    • C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe
      "C:\Users\Admin\AppData\Local\Temp\TelexCopy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2624

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\TelexCopy.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

    b48781a628874b0c776ce39be22c792c

    SHA1

    9eb7bf1759032083d887d06a5b7495e18c499dde

    SHA256

    ba900e91595e3fb4e9202cf31dc835fa45b53b6719c160925a56f368886c4c8a

    SHA512

    158481a7afb1e7d99adda2c0762890a451cacf09f04d2bf5881d00499daa6c1b194de5a8263b99616ae086de957437c0720bed5025fad48a7664499a5124425c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_0za050ob.tx3.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp73F7.tmp
    Filesize

    1KB

    MD5

    3126e61d6a39139d5f55c0163cdd368e

    SHA1

    8e2174aff6899f5bc19dfcf072106bbbf75afa63

    SHA256

    dcfe4986207d216e31c4bf96342e528fbe730e5904c050521459291a6274f771

    SHA512

    5b22fc8c4ee261e6b7372827d59deeda97ab5a24f64cb2ba3c47a2ca868d37b21054fdf7ad5c454bd56305d9e8d538ef248fd92cbdcb0dbf518b5e5eb6ac5373

  • memory/1232-37-0x0000000005FD0000-0x0000000006324000-memory.dmp
    Filesize

    3.3MB

  • memory/1232-21-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/1232-57-0x000000007FAF0000-0x000000007FB00000-memory.dmp
    Filesize

    64KB

  • memory/1232-79-0x00000000077F0000-0x0000000007893000-memory.dmp
    Filesize

    652KB

  • memory/1232-82-0x00000000078C0000-0x00000000078DA000-memory.dmp
    Filesize

    104KB

  • memory/1232-83-0x0000000007920000-0x000000000792A000-memory.dmp
    Filesize

    40KB

  • memory/1232-58-0x0000000071140000-0x000000007118C000-memory.dmp
    Filesize

    304KB

  • memory/1232-97-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/1232-86-0x0000000007AB0000-0x0000000007AC1000-memory.dmp
    Filesize

    68KB

  • memory/1232-90-0x0000000007BD0000-0x0000000007BD8000-memory.dmp
    Filesize

    32KB

  • memory/1232-88-0x0000000007AF0000-0x0000000007B04000-memory.dmp
    Filesize

    80KB

  • memory/1232-87-0x0000000007AE0000-0x0000000007AEE000-memory.dmp
    Filesize

    56KB

  • memory/1232-26-0x0000000005F60000-0x0000000005FC6000-memory.dmp
    Filesize

    408KB

  • memory/1232-23-0x0000000002C70000-0x0000000002C80000-memory.dmp
    Filesize

    64KB

  • memory/1232-24-0x0000000002C70000-0x0000000002C80000-memory.dmp
    Filesize

    64KB

  • memory/2188-6-0x0000000007970000-0x0000000007A14000-memory.dmp
    Filesize

    656KB

  • memory/2188-3-0x0000000004F40000-0x0000000004FD2000-memory.dmp
    Filesize

    584KB

  • memory/2188-2-0x00000000054F0000-0x0000000005A94000-memory.dmp
    Filesize

    5.6MB

  • memory/2188-4-0x0000000004ED0000-0x0000000004EDA000-memory.dmp
    Filesize

    40KB

  • memory/2188-5-0x0000000004EB0000-0x0000000004EC0000-memory.dmp
    Filesize

    64KB

  • memory/2188-0-0x0000000000410000-0x00000000004D6000-memory.dmp
    Filesize

    792KB

  • memory/2188-10-0x000000000A0E0000-0x000000000A17C000-memory.dmp
    Filesize

    624KB

  • memory/2188-1-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/2188-50-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/2188-9-0x0000000006450000-0x00000000064D2000-memory.dmp
    Filesize

    520KB

  • memory/2188-8-0x0000000005330000-0x000000000533C000-memory.dmp
    Filesize

    48KB

  • memory/2188-7-0x0000000005180000-0x000000000519A000-memory.dmp
    Filesize

    104KB

  • memory/2624-49-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/2624-51-0x0000000005780000-0x0000000005790000-memory.dmp
    Filesize

    64KB

  • memory/2624-98-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/2624-36-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2624-85-0x00000000065E0000-0x0000000006630000-memory.dmp
    Filesize

    320KB

  • memory/4604-25-0x00000000058C0000-0x0000000005926000-memory.dmp
    Filesize

    408KB

  • memory/4604-68-0x0000000007100000-0x000000000711E000-memory.dmp
    Filesize

    120KB

  • memory/4604-80-0x0000000002660000-0x0000000002670000-memory.dmp
    Filesize

    64KB

  • memory/4604-78-0x0000000002660000-0x0000000002670000-memory.dmp
    Filesize

    64KB

  • memory/4604-81-0x00000000078B0000-0x0000000007F2A000-memory.dmp
    Filesize

    6.5MB

  • memory/4604-56-0x0000000071140000-0x000000007118C000-memory.dmp
    Filesize

    304KB

  • memory/4604-54-0x000000007EF70000-0x000000007EF80000-memory.dmp
    Filesize

    64KB

  • memory/4604-84-0x00000000074F0000-0x0000000007586000-memory.dmp
    Filesize

    600KB

  • memory/4604-53-0x0000000006090000-0x00000000060DC000-memory.dmp
    Filesize

    304KB

  • memory/4604-52-0x0000000005F40000-0x0000000005F5E000-memory.dmp
    Filesize

    120KB

  • memory/4604-20-0x0000000004E70000-0x0000000004E92000-memory.dmp
    Filesize

    136KB

  • memory/4604-19-0x0000000004FF0000-0x0000000005618000-memory.dmp
    Filesize

    6.2MB

  • memory/4604-89-0x00000000075B0000-0x00000000075CA000-memory.dmp
    Filesize

    104KB

  • memory/4604-18-0x0000000002660000-0x0000000002670000-memory.dmp
    Filesize

    64KB

  • memory/4604-17-0x0000000002660000-0x0000000002670000-memory.dmp
    Filesize

    64KB

  • memory/4604-16-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/4604-96-0x0000000074AA0000-0x0000000075250000-memory.dmp
    Filesize

    7.7MB

  • memory/4604-15-0x0000000002620000-0x0000000002656000-memory.dmp
    Filesize

    216KB

  • memory/4604-55-0x0000000006EC0000-0x0000000006EF2000-memory.dmp
    Filesize

    200KB