Analysis

  • max time kernel
    141s
  • max time network
    113s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23-05-2024 02:23

General

  • Target

    #$AItslip1546.exe

  • Size

    666KB

  • MD5

    379a6b94c8ebef8ba5772842a3b51fb8

  • SHA1

    f91a970671bd23608e3e32115c3fb34f92301a30

  • SHA256

    2ca58fadf27f88b2a39abfd4dbe4950173a7a113bf91b404734510dbfdf7c557

  • SHA512

    926cc9558a8a88aa3cfe172635e331c0fb630d7e4bcd0f047208d65031f465efbd288e2896dfb322ca03f1cc47be3fccd1e0c88b04858be6aa08e1d6d9e7c64a

  • SSDEEP

    12288:2xgAmi8LkpEalnNI6k2HE64HZNzcnd39eOf/Ero062EXKffuv4pbuXEBJ4fhZP5g:K1VjEEPHEpNzceocv2IuAZu0BGfb5IL

Malware Config

Extracted

Family

agenttesla

Credentials

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.

  • 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 13 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\#$AItslip1546.exe
    "C:\Users\Admin\AppData\Local\Temp\#$AItslip1546.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4836
    • 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\#$AItslip1546.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4788
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\XAeqjjZDwIfd.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4628
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\XAeqjjZDwIfd" /XML "C:\Users\Admin\AppData\Local\Temp\tmpAAF5.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3892
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    2KB

    MD5

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    754215642ec4a1f956a47a0a5e136d11

    SHA1

    5bc96c1432266276089d5490dd653dd6ae5afb1c

    SHA256

    100c68d229d38703ac20b50567155a0824002825d64d9ac463365d79c4378b24

    SHA512

    d7f3a6e71aeba6481a246591838e9f8c3ffbd02fe905ad34df6528a14e2e2b204922dcbe9664cd0acbde6b72dd016cc5ac04a66fb1ee4b271fccbc2cff6f73c7

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rlefqhpd.xgh.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpAAF5.tmp

    Filesize

    1KB

    MD5

    22455497f98f563185088e4abf5c7976

    SHA1

    b3e5738ca2ce950cedd8bb1b1a733b1165b1b970

    SHA256

    0877f433490ef2b848cc7907ea93478272e959b6fc6a6b313468fb7ea68655e8

    SHA512

    42c06ae40efa40affe7347d06e6c21eca5410cb8b6102a22c4b510a6b83d9a47bae846258f4bdee9611eabc1d8df90d04a458e7f167cf9b18ffe3b09402e956d

  • memory/4544-47-0x0000000000400000-0x0000000000440000-memory.dmp

    Filesize

    256KB

  • memory/4544-91-0x0000000006500000-0x0000000006550000-memory.dmp

    Filesize

    320KB

  • memory/4628-63-0x00000000706E0000-0x000000007072C000-memory.dmp

    Filesize

    304KB

  • memory/4628-79-0x0000000007B50000-0x0000000007B61000-memory.dmp

    Filesize

    68KB

  • memory/4628-21-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-81-0x0000000007B90000-0x0000000007BA4000-memory.dmp

    Filesize

    80KB

  • memory/4628-28-0x0000000005EB0000-0x0000000005ED2000-memory.dmp

    Filesize

    136KB

  • memory/4628-45-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-30-0x0000000005FC0000-0x0000000006026000-memory.dmp

    Filesize

    408KB

  • memory/4628-82-0x0000000007C90000-0x0000000007CAA000-memory.dmp

    Filesize

    104KB

  • memory/4628-29-0x0000000005F50000-0x0000000005FB6000-memory.dmp

    Filesize

    408KB

  • memory/4628-89-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4628-20-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-16-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-64-0x0000000007360000-0x000000000737E000-memory.dmp

    Filesize

    120KB

  • memory/4788-18-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-17-0x0000000005690000-0x0000000005CB8000-memory.dmp

    Filesize

    6.2MB

  • memory/4788-90-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-35-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4788-83-0x0000000007950000-0x0000000007958000-memory.dmp

    Filesize

    32KB

  • memory/4788-15-0x0000000002A70000-0x0000000002AA6000-memory.dmp

    Filesize

    216KB

  • memory/4788-46-0x0000000005FF0000-0x0000000006344000-memory.dmp

    Filesize

    3.3MB

  • memory/4788-80-0x0000000007910000-0x000000000791E000-memory.dmp

    Filesize

    56KB

  • memory/4788-78-0x0000000007960000-0x00000000079F6000-memory.dmp

    Filesize

    600KB

  • memory/4788-49-0x0000000006370000-0x000000000638E000-memory.dmp

    Filesize

    120KB

  • memory/4788-51-0x0000000006930000-0x000000000697C000-memory.dmp

    Filesize

    304KB

  • memory/4788-53-0x00000000706E0000-0x000000007072C000-memory.dmp

    Filesize

    304KB

  • memory/4788-52-0x00000000073A0000-0x00000000073D2000-memory.dmp

    Filesize

    200KB

  • memory/4788-77-0x0000000007730000-0x000000000773A000-memory.dmp

    Filesize

    40KB

  • memory/4788-75-0x0000000007D80000-0x00000000083FA000-memory.dmp

    Filesize

    6.5MB

  • memory/4788-74-0x00000000073E0000-0x0000000007483000-memory.dmp

    Filesize

    652KB

  • memory/4788-76-0x00000000076C0000-0x00000000076DA000-memory.dmp

    Filesize

    104KB

  • memory/4836-5-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4836-19-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4836-50-0x00000000750F0000-0x00000000758A0000-memory.dmp

    Filesize

    7.7MB

  • memory/4836-7-0x0000000005190000-0x00000000051A0000-memory.dmp

    Filesize

    64KB

  • memory/4836-9-0x0000000008A90000-0x0000000008B2C000-memory.dmp

    Filesize

    624KB

  • memory/4836-6-0x00000000052B0000-0x00000000052CA000-memory.dmp

    Filesize

    104KB

  • memory/4836-8-0x0000000006320000-0x00000000063A2000-memory.dmp

    Filesize

    520KB

  • memory/4836-14-0x00000000750FE000-0x00000000750FF000-memory.dmp

    Filesize

    4KB

  • memory/4836-0-0x00000000750FE000-0x00000000750FF000-memory.dmp

    Filesize

    4KB

  • memory/4836-4-0x0000000004FA0000-0x0000000004FAA000-memory.dmp

    Filesize

    40KB

  • memory/4836-3-0x0000000004DF0000-0x0000000004E82000-memory.dmp

    Filesize

    584KB

  • memory/4836-2-0x0000000005300000-0x00000000058A4000-memory.dmp

    Filesize

    5.6MB

  • memory/4836-1-0x0000000000360000-0x0000000000408000-memory.dmp

    Filesize

    672KB