Analysis

  • max time kernel
    151s
  • max time network
    158s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-04-2024 09:54

General

  • Target

    NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe

  • Size

    895KB

  • MD5

    dd172773aa5ec3bc31080bc31fce8a44

  • SHA1

    5522deb7d315339e0d2b0dd2becb6d501e0dff2b

  • SHA256

    da86da7fc086aa8262222feed9f4cd4df4c4538e77d90a7c160b1c794f298b92

  • SHA512

    37bd970e680cd5e380d5f6044272e37782bd18f0c165af25f8c59b31b9fd29636cd43c2b9cde6bcd154dae0ee33866f3f783bab23aec8472e5db958a0ddaa588

  • SSDEEP

    24576:UHrWUxQNBIndBEQ/13KSAvkSZ/UosqmTbIecoe:qrWUxQPOgrB8osqq8Zo

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

paygateme.net:2286

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-WTDTSU

  • screenshot_crypt

    true

  • screenshot_flag

    true

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • NirSoft MailPassView 3 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 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 15 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe
    "C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2964
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\kdkZYZHUWsaYyc.exe"
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1440
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\kdkZYZHUWsaYyc" /XML "C:\Users\Admin\AppData\Local\Temp\tmpE753.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:3900
    • C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe
      "C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:224
      • C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe" /stext "C:\Users\Admin\AppData\Local\Temp\fzarfa"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4492
      • C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe" /stext "C:\Users\Admin\AppData\Local\Temp\itfkgsrtku"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:3784
      • C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe
        "C:\Users\Admin\AppData\Local\Temp\NEW ORDER RFQ ICPO TECNOMAT-JEAL-EN590-200KMT-RTDM+TSA.bat.exe" /stext "C:\Users\Admin\AppData\Local\Temp\svscgdcnycxnm"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4376

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

1
T1552

Credentials In Files

1
T1552.001

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat
    Filesize

    144B

    MD5

    729ce6cb4ab7f4dadbeae60fd093e6fe

    SHA1

    dcd6ba3559c4d5c8aecd933f644d603bfb7a2a9b

    SHA256

    a1939e323ce1a03379b8d6e17f3ba43785c4b67188f9b90edc7a5901675ea3a3

    SHA512

    0807f30cd1974d3daba8ac05f742abdb5df0e5ecceb669321cfe9fb74160acf856f51b083d5076905c0c8ac7698bfd5798bad47c6f0a5151e8e85ab1b613bf1c

  • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_rnprxuiw.jel.ps1
    Filesize

    60B

    MD5

    d17fe0a3f47be24a6453e9ef58c94641

    SHA1

    6ab83620379fc69f80c0242105ddffd7d98d5d9d

    SHA256

    96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

    SHA512

    5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

  • C:\Users\Admin\AppData\Local\Temp\fzarfa
    Filesize

    4KB

    MD5

    794bf931212af3178e85954ea35f687a

    SHA1

    e78eb5300a58c85256b08135673b991f8dfce664

    SHA256

    49911477803d5cea085304ff6af24310412e31d37b88ac30d5cbd890c98d5619

    SHA512

    4a1d63034421b56d8968da94049b83ed1a78f832d8fb92664e3dd5240531be8a277163a1c4ddefeafb18651e2cf8219adbdb82763d8b5c695e8ed8ce8250d6df

  • C:\Users\Admin\AppData\Local\Temp\tmpE753.tmp
    Filesize

    1KB

    MD5

    8eb9593f8a6373e5693639741876feec

    SHA1

    149731129dad3e4b327fab387a13aa9382974fd4

    SHA256

    16504fc76f8f9a68f9dcff41765c47cae3d9993905053334df4be3cb32310b5c

    SHA512

    a95032056cd7bbcbf86016150ec97bd378fcbbd0c89744db9d1422f478ba3f4cf344469f454f2875897aa71106e50bae8442c7b518fece8af613399f55084b03

  • memory/224-20-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-21-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-125-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-123-0x0000000010000000-0x0000000010019000-memory.dmp
    Filesize

    100KB

  • memory/224-134-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-120-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-88-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-87-0x0000000010000000-0x0000000010019000-memory.dmp
    Filesize

    100KB

  • memory/224-85-0x0000000010000000-0x0000000010019000-memory.dmp
    Filesize

    100KB

  • memory/224-86-0x0000000010000000-0x0000000010019000-memory.dmp
    Filesize

    100KB

  • memory/224-135-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-142-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-48-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-126-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-22-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-81-0x0000000010000000-0x0000000010019000-memory.dmp
    Filesize

    100KB

  • memory/224-55-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-29-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-25-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-30-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-31-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-33-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-52-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-143-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-51-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-49-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-46-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/224-47-0x0000000000400000-0x0000000000482000-memory.dmp
    Filesize

    520KB

  • memory/1440-93-0x000000007FAB0000-0x000000007FAC0000-memory.dmp
    Filesize

    64KB

  • memory/1440-111-0x00000000073F0000-0x0000000007401000-memory.dmp
    Filesize

    68KB

  • memory/1440-50-0x0000000005A30000-0x0000000005D84000-memory.dmp
    Filesize

    3.3MB

  • memory/1440-37-0x00000000057E0000-0x0000000005846000-memory.dmp
    Filesize

    408KB

  • memory/1440-34-0x0000000005000000-0x0000000005022000-memory.dmp
    Filesize

    136KB

  • memory/1440-119-0x0000000075120000-0x00000000758D0000-memory.dmp
    Filesize

    7.7MB

  • memory/1440-56-0x0000000005E50000-0x0000000005E6E000-memory.dmp
    Filesize

    120KB

  • memory/1440-115-0x0000000007510000-0x0000000007518000-memory.dmp
    Filesize

    32KB

  • memory/1440-114-0x0000000007530000-0x000000000754A000-memory.dmp
    Filesize

    104KB

  • memory/1440-113-0x0000000007430000-0x0000000007444000-memory.dmp
    Filesize

    80KB

  • memory/1440-112-0x0000000007420000-0x000000000742E000-memory.dmp
    Filesize

    56KB

  • memory/1440-41-0x00000000058C0000-0x0000000005926000-memory.dmp
    Filesize

    408KB

  • memory/1440-110-0x0000000007470000-0x0000000007506000-memory.dmp
    Filesize

    600KB

  • memory/1440-109-0x0000000007260000-0x000000000726A000-memory.dmp
    Filesize

    40KB

  • memory/1440-108-0x00000000071F0000-0x000000000720A000-memory.dmp
    Filesize

    104KB

  • memory/1440-107-0x0000000007830000-0x0000000007EAA000-memory.dmp
    Filesize

    6.5MB

  • memory/1440-106-0x0000000006EC0000-0x0000000006F63000-memory.dmp
    Filesize

    652KB

  • memory/1440-105-0x0000000006480000-0x000000000649E000-memory.dmp
    Filesize

    120KB

  • memory/1440-66-0x00000000060A0000-0x00000000060EC000-memory.dmp
    Filesize

    304KB

  • memory/1440-95-0x00000000718E0000-0x000000007192C000-memory.dmp
    Filesize

    304KB

  • memory/1440-94-0x0000000006E80000-0x0000000006EB2000-memory.dmp
    Filesize

    200KB

  • memory/1440-92-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/1440-26-0x00000000050C0000-0x00000000056E8000-memory.dmp
    Filesize

    6.2MB

  • memory/1440-91-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/1440-17-0x0000000004900000-0x0000000004936000-memory.dmp
    Filesize

    216KB

  • memory/1440-16-0x0000000004A80000-0x0000000004A90000-memory.dmp
    Filesize

    64KB

  • memory/1440-15-0x0000000075120000-0x00000000758D0000-memory.dmp
    Filesize

    7.7MB

  • memory/1440-90-0x0000000075120000-0x00000000758D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2964-28-0x0000000075120000-0x00000000758D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2964-18-0x0000000005140000-0x0000000005150000-memory.dmp
    Filesize

    64KB

  • memory/2964-1-0x0000000075120000-0x00000000758D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2964-0-0x0000000000710000-0x00000000007F6000-memory.dmp
    Filesize

    920KB

  • memory/2964-2-0x00000000057F0000-0x0000000005D94000-memory.dmp
    Filesize

    5.6MB

  • memory/2964-3-0x0000000005190000-0x0000000005222000-memory.dmp
    Filesize

    584KB

  • memory/2964-10-0x0000000075120000-0x00000000758D0000-memory.dmp
    Filesize

    7.7MB

  • memory/2964-4-0x0000000005140000-0x0000000005150000-memory.dmp
    Filesize

    64KB

  • memory/2964-5-0x0000000005360000-0x000000000536A000-memory.dmp
    Filesize

    40KB

  • memory/2964-6-0x0000000005750000-0x0000000005760000-memory.dmp
    Filesize

    64KB

  • memory/2964-7-0x00000000063A0000-0x00000000063AC000-memory.dmp
    Filesize

    48KB

  • memory/2964-8-0x0000000007CD0000-0x0000000007D90000-memory.dmp
    Filesize

    768KB

  • memory/2964-9-0x000000000A470000-0x000000000A50C000-memory.dmp
    Filesize

    624KB

  • memory/3784-64-0x0000000000400000-0x0000000000462000-memory.dmp
    Filesize

    392KB

  • memory/3784-70-0x0000000000400000-0x0000000000462000-memory.dmp
    Filesize

    392KB

  • memory/3784-74-0x0000000000400000-0x0000000000462000-memory.dmp
    Filesize

    392KB

  • memory/3784-59-0x0000000000400000-0x0000000000462000-memory.dmp
    Filesize

    392KB

  • memory/3784-71-0x0000000000400000-0x0000000000462000-memory.dmp
    Filesize

    392KB

  • memory/4376-65-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/4376-69-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/4376-62-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/4376-72-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/4376-73-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/4492-68-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/4492-57-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/4492-60-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB

  • memory/4492-79-0x0000000000400000-0x0000000000478000-memory.dmp
    Filesize

    480KB