Analysis

  • max time kernel
    130s
  • max time network
    135s
  • platform
    windows10-1703_x64
  • resource
    win10-20240319-en
  • resource tags

    arch:x64arch:x86image:win10-20240319-enlocale:en-usos:windows10-1703-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.

  • 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⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:3160
    • 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:920
    • 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:3412
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ChQxeCBRDlDTBo" /XML "C:\Users\Admin\AppData\Local\Temp\tmpC98A.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:688
    • 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:2416

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

System Information Discovery

1
T1082

Collection

Data from Local System

4
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

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

    18KB

    MD5

    e97ec343933a6e313a738017c020d1a3

    SHA1

    a39c80b1912b9b4a84a46cd07aeac6062db35b1e

    SHA256

    0113d6bb3c713f3eea322c7a6d5962ed42ae9f7403ba7654c35d951f57873379

    SHA512

    172edd0c769c05dbc79abb58436e77b9faf57b6801bed894114ce6c1da64ca0ae7d05ddc6167796842686c361d031a8ad699b3e60e4ea58c271d855d5fce2d2f

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_prpmlfx1.nam.ps1
    Filesize

    1B

    MD5

    c4ca4238a0b923820dcc509a6f75849b

    SHA1

    356a192b7913b04c54574d18c28d46e6395428ab

    SHA256

    6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b

    SHA512

    4dff4ea340f0a823f15d3f4f01ab62eae0e5da579ccb851f8db9dfe84c58b2b37b89903a740e1ee172da793a6e79d560e5f7f9bd058a12a280433ed6fa46510a

  • C:\Users\Admin\AppData\Local\Temp\tmpC98A.tmp
    Filesize

    1KB

    MD5

    0ebcb04ea00f3327034051d50c15bf35

    SHA1

    4fa630449e3da63a0b9f75163c633dfe2e27e1ef

    SHA256

    51d792e767e4f7386e5e241c612096b613938eb075931e1e1f8586f585ae2bd7

    SHA512

    9ce8340bac8cdcf05e4918ccfecf6a002fc4e83390ab6781f3b9b0076a1fb392af573bdc6be71e577489b82e4b2c38f9b58fe562d2689e20ccb3c75e0fac6fac

  • memory/920-515-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/920-86-0x0000000009D80000-0x0000000009E25000-memory.dmp
    Filesize

    660KB

  • memory/920-30-0x0000000007AC0000-0x0000000007AE2000-memory.dmp
    Filesize

    136KB

  • memory/920-510-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/920-20-0x0000000007540000-0x0000000007550000-memory.dmp
    Filesize

    64KB

  • memory/920-484-0x0000000007710000-0x0000000007718000-memory.dmp
    Filesize

    32KB

  • memory/920-475-0x0000000007720000-0x000000000773A000-memory.dmp
    Filesize

    104KB

  • memory/920-87-0x0000000007540000-0x0000000007550000-memory.dmp
    Filesize

    64KB

  • memory/920-19-0x0000000007540000-0x0000000007550000-memory.dmp
    Filesize

    64KB

  • memory/920-23-0x0000000007B80000-0x00000000081A8000-memory.dmp
    Filesize

    6.2MB

  • memory/920-76-0x00000000707C0000-0x000000007080B000-memory.dmp
    Filesize

    300KB

  • memory/920-73-0x000000007F010000-0x000000007F020000-memory.dmp
    Filesize

    64KB

  • memory/920-18-0x00000000073C0000-0x00000000073F6000-memory.dmp
    Filesize

    216KB

  • memory/920-38-0x0000000008890000-0x00000000088DB000-memory.dmp
    Filesize

    300KB

  • memory/920-37-0x0000000008860000-0x000000000887C000-memory.dmp
    Filesize

    112KB

  • memory/920-36-0x00000000084D0000-0x0000000008820000-memory.dmp
    Filesize

    3.3MB

  • memory/920-32-0x0000000008280000-0x00000000082E6000-memory.dmp
    Filesize

    408KB

  • memory/920-17-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2416-34-0x0000000005890000-0x00000000058F6000-memory.dmp
    Filesize

    408KB

  • memory/2416-116-0x0000000006570000-0x00000000065C0000-memory.dmp
    Filesize

    320KB

  • memory/2416-33-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/2416-28-0x0000000000400000-0x0000000000440000-memory.dmp
    Filesize

    256KB

  • memory/2416-35-0x0000000005900000-0x0000000005910000-memory.dmp
    Filesize

    64KB

  • memory/2416-518-0x0000000005900000-0x0000000005910000-memory.dmp
    Filesize

    64KB

  • memory/2416-517-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3160-4-0x0000000004B40000-0x0000000004B50000-memory.dmp
    Filesize

    64KB

  • memory/3160-3-0x00000000049A0000-0x0000000004A32000-memory.dmp
    Filesize

    584KB

  • memory/3160-0-0x00000000000A0000-0x0000000000166000-memory.dmp
    Filesize

    792KB

  • memory/3160-9-0x0000000007630000-0x00000000076B2000-memory.dmp
    Filesize

    520KB

  • memory/3160-1-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3160-8-0x0000000004C60000-0x0000000004C6C000-memory.dmp
    Filesize

    48KB

  • memory/3160-2-0x0000000004E00000-0x00000000052FE000-memory.dmp
    Filesize

    5.0MB

  • memory/3160-7-0x0000000004C30000-0x0000000004C4A000-memory.dmp
    Filesize

    104KB

  • memory/3160-10-0x0000000009D90000-0x0000000009E2C000-memory.dmp
    Filesize

    624KB

  • memory/3160-31-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3160-6-0x00000000071C0000-0x0000000007264000-memory.dmp
    Filesize

    656KB

  • memory/3160-5-0x0000000004B20000-0x0000000004B2A000-memory.dmp
    Filesize

    40KB

  • memory/3412-88-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/3412-89-0x00000000097B0000-0x0000000009844000-memory.dmp
    Filesize

    592KB

  • memory/3412-24-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3412-77-0x0000000009470000-0x000000000948E000-memory.dmp
    Filesize

    120KB

  • memory/3412-74-0x0000000009490000-0x00000000094C3000-memory.dmp
    Filesize

    204KB

  • memory/3412-75-0x00000000707C0000-0x000000007080B000-memory.dmp
    Filesize

    300KB

  • memory/3412-72-0x000000007EE20000-0x000000007EE30000-memory.dmp
    Filesize

    64KB

  • memory/3412-39-0x00000000083B0000-0x0000000008426000-memory.dmp
    Filesize

    472KB

  • memory/3412-516-0x0000000073CC0000-0x00000000743AE000-memory.dmp
    Filesize

    6.9MB

  • memory/3412-26-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/3412-27-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB