Analysis

  • max time kernel
    125s
  • max time network
    50s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-12-2023 12:19

General

  • Target

    PROFORMA FATURA.exe

  • Size

    832KB

  • MD5

    4cc3e6a5b1f5473111ed0fe08c85455b

  • SHA1

    5c13bab0cff294b13c0542fca040c19ec94e2967

  • SHA256

    394633bc848d312c2e79e48b1b10eadbce297624c6b844d4f643d93b1fb33c35

  • SHA512

    58ec9c7407439d5143a2614add8bd79063be03cc94539628ceb7290b362c1ff0e9a2884cae59700151a60d1b55db1ca3da4e395196137b89af443ceed19963c5

  • SSDEEP

    12288:ac5nF8ME6jD/yecHhUHkWlijOnpmz32LP7PP0WKLcuCgRNwgqYqRe:acPtD/yeGXWliGmzGLjZdgRSgqg

Malware Config

Extracted

Family

agenttesla

Credentials

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 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 18 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe
    "C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3108
    • 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\PROFORMA FATURA.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\ocsLtLXucVcFxs.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2156
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\ocsLtLXucVcFxs" /XML "C:\Users\Admin\AppData\Local\Temp\tmpD244.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:448
    • C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe
      "C:\Users\Admin\AppData\Local\Temp\PROFORMA FATURA.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    3d086a433708053f9bf9523e1d87a4e8

    SHA1

    b3ab5d4f282a4c8fe8c3005b8a557ed5a0e37f28

    SHA256

    6f8fd1b8d9788ad54eaeee329232187e24b7b43393a01aeba2d6e9675231fb69

    SHA512

    931ae42b4c68a4507ff2342332b08eb407050d47cf4176137ea022d0f6e513c689e998445a04c6d18d4877391705c586bfce0234632b898d41aaed0957996dfd

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

    Filesize

    18KB

    MD5

    69716521e95c648808626645e1c5adce

    SHA1

    6b8fddf5883f5bc70f061ac3a595b31c1984725f

    SHA256

    74af509b8eb7397704232de7229dca99b6d446a47d4d5df8c4419f1dd4013ae8

    SHA512

    964855abb9b73bcbb7c614b906eaec16ee997d4d3caa4a0dde183a47702113786afbc8ef2cfd3d1cee5e09329ee95867a924d0661fc691ed7b09184f88114703

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_y1e2j0qh.50c.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmpD244.tmp

    Filesize

    1KB

    MD5

    04724ca5e649e595d6c8e62060f775d0

    SHA1

    fab5aefdf4bf8a3862dfb31669f7da477c2fcb16

    SHA256

    73496228041a4bd41be55501cf89bedd347d5e8739662810acbfcd54a59bcba6

    SHA512

    b1e73dcf9de404463135734ad3663914f25e18f6ba5756c362fa3888f968400e6b3f6cde7f01e04b083b96f39935624838cdb12d2ff3fe843187f2c5c62a9faf

  • memory/2156-88-0x0000000007B80000-0x0000000007B8E000-memory.dmp

    Filesize

    56KB

  • memory/2156-58-0x0000000074CD0000-0x0000000074D1C000-memory.dmp

    Filesize

    304KB

  • memory/2156-23-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/2156-90-0x0000000007C90000-0x0000000007CAA000-memory.dmp

    Filesize

    104KB

  • memory/2156-54-0x0000000006630000-0x000000000667C000-memory.dmp

    Filesize

    304KB

  • memory/2156-53-0x0000000006600000-0x000000000661E000-memory.dmp

    Filesize

    120KB

  • memory/2156-56-0x000000007FCF0000-0x000000007FD00000-memory.dmp

    Filesize

    64KB

  • memory/2156-82-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/2156-36-0x0000000006110000-0x0000000006176000-memory.dmp

    Filesize

    408KB

  • memory/2156-55-0x00000000075C0000-0x00000000075F2000-memory.dmp

    Filesize

    200KB

  • memory/2156-79-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/2156-31-0x0000000005700000-0x0000000005766000-memory.dmp

    Filesize

    408KB

  • memory/2156-84-0x0000000007950000-0x000000000796A000-memory.dmp

    Filesize

    104KB

  • memory/2156-22-0x00000000052A0000-0x00000000052B0000-memory.dmp

    Filesize

    64KB

  • memory/2156-97-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-9-0x0000000007D50000-0x0000000007DCC000-memory.dmp

    Filesize

    496KB

  • memory/3108-4-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/3108-5-0x0000000005170000-0x000000000517A000-memory.dmp

    Filesize

    40KB

  • memory/3108-7-0x0000000005780000-0x0000000005788000-memory.dmp

    Filesize

    32KB

  • memory/3108-3-0x00000000051F0000-0x0000000005282000-memory.dmp

    Filesize

    584KB

  • memory/3108-2-0x00000000057A0000-0x0000000005D44000-memory.dmp

    Filesize

    5.6MB

  • memory/3108-0-0x00000000006A0000-0x0000000000774000-memory.dmp

    Filesize

    848KB

  • memory/3108-51-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-12-0x0000000005100000-0x0000000005110000-memory.dmp

    Filesize

    64KB

  • memory/3108-11-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-1-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/3108-10-0x0000000007B90000-0x0000000007C2C000-memory.dmp

    Filesize

    624KB

  • memory/3108-6-0x0000000005750000-0x0000000005768000-memory.dmp

    Filesize

    96KB

  • memory/3108-8-0x0000000005790000-0x000000000579A000-memory.dmp

    Filesize

    40KB

  • memory/3576-101-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB

  • memory/3576-52-0x0000000004E00000-0x0000000004E10000-memory.dmp

    Filesize

    64KB

  • memory/3576-50-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/3576-47-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/3576-99-0x0000000005E50000-0x0000000005EA0000-memory.dmp

    Filesize

    320KB

  • memory/3576-100-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-18-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-68-0x0000000005020000-0x0000000005030000-memory.dmp

    Filesize

    64KB

  • memory/4964-81-0x0000000005020000-0x0000000005030000-memory.dmp

    Filesize

    64KB

  • memory/4964-83-0x0000000007F00000-0x000000000857A000-memory.dmp

    Filesize

    6.5MB

  • memory/4964-80-0x0000000007580000-0x0000000007623000-memory.dmp

    Filesize

    652KB

  • memory/4964-85-0x0000000007930000-0x000000000793A000-memory.dmp

    Filesize

    40KB

  • memory/4964-86-0x0000000007B40000-0x0000000007BD6000-memory.dmp

    Filesize

    600KB

  • memory/4964-87-0x0000000007AC0000-0x0000000007AD1000-memory.dmp

    Filesize

    68KB

  • memory/4964-69-0x0000000007550000-0x000000000756E000-memory.dmp

    Filesize

    120KB

  • memory/4964-89-0x0000000007B00000-0x0000000007B14000-memory.dmp

    Filesize

    80KB

  • memory/4964-57-0x0000000074CD0000-0x0000000074D1C000-memory.dmp

    Filesize

    304KB

  • memory/4964-91-0x0000000007BE0000-0x0000000007BE8000-memory.dmp

    Filesize

    32KB

  • memory/4964-46-0x00000000060F0000-0x0000000006444000-memory.dmp

    Filesize

    3.3MB

  • memory/4964-25-0x0000000005D00000-0x0000000005D22000-memory.dmp

    Filesize

    136KB

  • memory/4964-98-0x0000000074470000-0x0000000074C20000-memory.dmp

    Filesize

    7.7MB

  • memory/4964-20-0x0000000005020000-0x0000000005030000-memory.dmp

    Filesize

    64KB

  • memory/4964-21-0x00000000056A0000-0x0000000005CC8000-memory.dmp

    Filesize

    6.2MB

  • memory/4964-19-0x0000000005020000-0x0000000005030000-memory.dmp

    Filesize

    64KB

  • memory/4964-17-0x0000000005030000-0x0000000005066000-memory.dmp

    Filesize

    216KB