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Analysis

  • max time kernel
    146s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 09:59

General

  • Target

    Remiitance copy.exe

  • Size

    879KB

  • MD5

    c9957168d370ff036e0c72e32b3f49c8

  • SHA1

    4112ea71f673090036871d3ab57a67ddc62f83d5

  • SHA256

    aec5d1b5fa3a905ce36b592492e8a51bfa68503f774724b0f936151f138016fb

  • SHA512

    0d0b0377fcd4861321d68e45a2a75fa50e7ddef9ab9cbe7996b744da541c1aabff8740d68899ade9f6779af471f5b62e19a37230a76a6d95541ea4d1b6274464

  • SSDEEP

    24576:bqGtyT2IyUrb0ZmSmUo9v7IFoKVzvlOE1D6Vf:7MzrbJjKFHzv4AD

Score
10/10

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    premium184.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ^HPUm$4%eL~b

Signatures

  • 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.

  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe
    "C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4272
    • 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\Remiitance copy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4840
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\IakDLlRpqUf.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4292
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\IakDLlRpqUf" /XML "C:\Users\Admin\AppData\Local\Temp\tmp6472.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:1788
    • C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe
      "C:\Users\Admin\AppData\Local\Temp\Remiitance copy.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4556

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

    968cb9309758126772781b83adb8a28f

    SHA1

    8da30e71accf186b2ba11da1797cf67f8f78b47c

    SHA256

    92099c10776bb7e3f2a8d1b82d4d40d0c4627e4f1bf754a6e58dfd2c2e97042a

    SHA512

    4bd50732f8af4d688d95999bddfd296115d7033ddc38f86c9fb1f47fde202bffa27e9088bebcaa3064ca946af2f5c1ca6cbde49d0907f0005c7ab42874515dd3

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

    Filesize

    18KB

    MD5

    051179c91682362fe13a0648b13c3943

    SHA1

    4e447b763a0bedad7a967571c9cfe5a8bd9cfaf7

    SHA256

    b536f31af1a669b4490a65f10067cfe5b8d4520066cd8e082236e56e77f35d55

    SHA512

    6cda507bccf140128223bca11f9fb95790e8900b99fad9bd43ba3f05496ccc0a8d031aee8275ce732cc1e04e411e7fad23cbea79bbce7a9e27e4c8672ce14bdd

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_1krsigij.w2m.ps1

    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\tmp6472.tmp

    Filesize

    1KB

    MD5

    f23ef9b130378c1278593c781da6415b

    SHA1

    7d42d5c560a870bccad9b0cc4a5eda99e929ffc9

    SHA256

    d0f26b1db8d76d9ec6c688637f054875ca0b1ee435457a581e7e59d81569a662

    SHA512

    9bd23f26c3a8e292d2bd0cc1c42d314e70f3642339daf62b3fc18cdce05d654d9bcd3f60a64385beab090405b5d248eae189d2017438c36106d1b34813b62349

  • memory/4272-8-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4272-5-0x0000000004F80000-0x0000000004F8A000-memory.dmp

    Filesize

    40KB

  • memory/4272-6-0x0000000005140000-0x00000000051DC000-memory.dmp

    Filesize

    624KB

  • memory/4272-7-0x00000000051E0000-0x00000000051FC000-memory.dmp

    Filesize

    112KB

  • memory/4272-4-0x0000000005040000-0x0000000005050000-memory.dmp

    Filesize

    64KB

  • memory/4272-9-0x0000000005040000-0x0000000005050000-memory.dmp

    Filesize

    64KB

  • memory/4272-10-0x0000000005010000-0x0000000005020000-memory.dmp

    Filesize

    64KB

  • memory/4272-11-0x00000000083C0000-0x000000000843A000-memory.dmp

    Filesize

    488KB

  • memory/4272-1-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4272-3-0x0000000004EA0000-0x0000000004F32000-memory.dmp

    Filesize

    584KB

  • memory/4272-2-0x0000000005550000-0x0000000005AF4000-memory.dmp

    Filesize

    5.6MB

  • memory/4272-30-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4272-0-0x00000000003E0000-0x00000000004C2000-memory.dmp

    Filesize

    904KB

  • memory/4292-103-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4292-20-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/4292-21-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/4292-19-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4292-60-0x0000000070690000-0x00000000706DC000-memory.dmp

    Filesize

    304KB

  • memory/4292-27-0x0000000004DB0000-0x0000000004DD2000-memory.dmp

    Filesize

    136KB

  • memory/4292-82-0x00000000071A0000-0x00000000071BA000-memory.dmp

    Filesize

    104KB

  • memory/4292-87-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4292-84-0x0000000007210000-0x000000000721A000-memory.dmp

    Filesize

    40KB

  • memory/4292-58-0x0000000006470000-0x00000000064A2000-memory.dmp

    Filesize

    200KB

  • memory/4292-89-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/4292-56-0x000000007F4C0000-0x000000007F4D0000-memory.dmp

    Filesize

    64KB

  • memory/4292-55-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/4292-52-0x0000000005E90000-0x0000000005EAE000-memory.dmp

    Filesize

    120KB

  • memory/4292-88-0x0000000004B20000-0x0000000004B30000-memory.dmp

    Filesize

    64KB

  • memory/4556-91-0x00000000066B0000-0x0000000006700000-memory.dmp

    Filesize

    320KB

  • memory/4556-105-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/4556-37-0x00000000051B0000-0x00000000051C0000-memory.dmp

    Filesize

    64KB

  • memory/4556-104-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4556-31-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4556-25-0x0000000000400000-0x0000000000442000-memory.dmp

    Filesize

    264KB

  • memory/4840-47-0x0000000005790000-0x0000000005AE4000-memory.dmp

    Filesize

    3.3MB

  • memory/4840-59-0x0000000070690000-0x00000000706DC000-memory.dmp

    Filesize

    304KB

  • memory/4840-80-0x0000000006F90000-0x0000000007033000-memory.dmp

    Filesize

    652KB

  • memory/4840-81-0x0000000007710000-0x0000000007D8A000-memory.dmp

    Filesize

    6.5MB

  • memory/4840-78-0x0000000006360000-0x000000000637E000-memory.dmp

    Filesize

    120KB

  • memory/4840-83-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-57-0x000000007EEE0000-0x000000007EEF0000-memory.dmp

    Filesize

    64KB

  • memory/4840-85-0x0000000007340000-0x00000000073D6000-memory.dmp

    Filesize

    600KB

  • memory/4840-86-0x00000000072C0000-0x00000000072D1000-memory.dmp

    Filesize

    68KB

  • memory/4840-54-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/4840-53-0x0000000005E50000-0x0000000005E9C000-memory.dmp

    Filesize

    304KB

  • memory/4840-29-0x0000000005720000-0x0000000005786000-memory.dmp

    Filesize

    408KB

  • memory/4840-90-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/4840-28-0x00000000056B0000-0x0000000005716000-memory.dmp

    Filesize

    408KB

  • memory/4840-92-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/4840-93-0x0000000007310000-0x000000000731E000-memory.dmp

    Filesize

    56KB

  • memory/4840-94-0x0000000007320000-0x0000000007334000-memory.dmp

    Filesize

    80KB

  • memory/4840-95-0x0000000007420000-0x000000000743A000-memory.dmp

    Filesize

    104KB

  • memory/4840-96-0x0000000007400000-0x0000000007408000-memory.dmp

    Filesize

    32KB

  • memory/4840-24-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/4840-102-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-22-0x00000000049D0000-0x00000000049E0000-memory.dmp

    Filesize

    64KB

  • memory/4840-17-0x00000000745C0000-0x0000000074D70000-memory.dmp

    Filesize

    7.7MB

  • memory/4840-18-0x0000000005010000-0x0000000005638000-memory.dmp

    Filesize

    6.2MB

  • memory/4840-16-0x0000000002490000-0x00000000024C6000-memory.dmp

    Filesize

    216KB