Resubmissions

22-12-2022 00:38

221222-azdc8sdf64 8

04-11-2022 18:34

221104-w73hzsbgal 10

04-11-2022 17:36

221104-v6p1tsbcbp 10

Analysis

  • max time kernel
    301s
  • max time network
    302s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    04-11-2022 18:34

General

  • Target

    7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe

  • Size

    427KB

  • MD5

    c34729173ecc820eb7674431597d78be

  • SHA1

    884f343876a8bb0ebac63c28191c22c6f69590f8

  • SHA256

    7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0

  • SHA512

    f9c93a0c6f55217016fe5ba550e9948662901b9240662708ac93074bf9692427b73ce10864927026b118aeb6622a47cfa04976bbc9b482a31aef21a5c96786a0

  • SSDEEP

    3072:yvGyYiSDnt1Et5CmPo8VGAnxoctr6Byd4TUISI:24UCp6n756BmlI

Malware Config

Extracted

Family

redline

Botnet

Nigh

C2

80.66.87.20:80

Attributes
  • auth_value

    dab8506635d1dc134af4ebaedf4404eb

Signatures

  • Detects Smokeloader packer 3 IoCs
  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 1 IoCs
  • SmokeLoader

    Modular backdoor trojan in use since 2014.

  • Executes dropped EXE 5 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe
    "C:\Users\Admin\AppData\Local\Temp\7ad55278a8285dace5bb637348e5990c356a7c35bbcb8e2d53fd3dc64573d4c0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of WriteProcessMemory
    PID:4860
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Suspicious use of SetThreadContext
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2176
      • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:3844
      • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
        "C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe"
        3⤵
        • Executes dropped EXE
        • Checks computer location settings
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:2608
        • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
          "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwA1AA==
          4⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2164
        • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
          C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
          4⤵
          • Executes dropped EXE
          PID:2304
        • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
          C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
          4⤵
          • Executes dropped EXE
          • Checks SCSI registry key(s)
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious behavior: MapViewOfSection
          PID:3904
      • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
        C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
        3⤵
        • Executes dropped EXE
        PID:3372

Network

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Peripheral Device Discovery

1
T1120

Replay Monitor

Loading Replay Monitor...

Downloads

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

    1KB

    MD5

    4280e36a29fa31c01e4d8b2ba726a0d8

    SHA1

    c485c2c9ce0a99747b18d899b71dfa9a64dabe32

    SHA256

    e2486a1bdcba80dad6dd6210d7374bd70ae196a523c06ceda71370fd3ea78359

    SHA512

    494fe5f0ade03669e5830bed93c964d69b86629440148d7b0881cf53203fd89443ebff9b4d1ee9d96244f62af6edede622d9eacba37f80f389a0d522e4ad4ea4

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
    Filesize

    53KB

    MD5

    06ad34f9739c5159b4d92d702545bd49

    SHA1

    9152a0d4f153f3f40f7e606be75f81b582ee0c17

    SHA256

    474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba

    SHA512

    c272cd28ae164d465b779163ba9eca6a28261376414c6bbdfbd9f2128adb7f7ff1420e536b4d6000d0301ded2ec9036bc5c657588458bff41f176bdce8d74f92

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

    16KB

    MD5

    323da0dbe7c4bb4eb915d1a9536a3089

    SHA1

    af2d192bc0f58853647bb54941d0a97dc53127fd

    SHA256

    9437f33d54f13d3c3b6147e355d6ee3c62b8d87be1863f07742d54bccf69a907

    SHA512

    3cf6e13fc48d67bab3c165bd3310537619d98d1c3b82a34fed4c09f480f88dd50d2740e0c00829bab2a8371e64e1c8ad7b92ee3c1c83d6e0f44d6bc92b68cb55

  • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
    Filesize

    6KB

    MD5

    d0b53e53092311bc055630adf3e4ccdc

    SHA1

    bf66777607a1d968e3194fe047f9a0e03f249f28

    SHA256

    0cdff2f53a06a63f46dd3e773c3ae99f1d29826975295407046d2d87f609fc3e

    SHA512

    34ecfda7dcad85b6e29fe4a51d7798517d1c2432879eee547e254d251c7f21a52616af58c1a5ce6d50a6a505cf2d03a8e46a3d3a441ca18df1aa86ed9bc546c6

  • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
    Filesize

    6KB

    MD5

    d0b53e53092311bc055630adf3e4ccdc

    SHA1

    bf66777607a1d968e3194fe047f9a0e03f249f28

    SHA256

    0cdff2f53a06a63f46dd3e773c3ae99f1d29826975295407046d2d87f609fc3e

    SHA512

    34ecfda7dcad85b6e29fe4a51d7798517d1c2432879eee547e254d251c7f21a52616af58c1a5ce6d50a6a505cf2d03a8e46a3d3a441ca18df1aa86ed9bc546c6

  • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
    Filesize

    6KB

    MD5

    d0b53e53092311bc055630adf3e4ccdc

    SHA1

    bf66777607a1d968e3194fe047f9a0e03f249f28

    SHA256

    0cdff2f53a06a63f46dd3e773c3ae99f1d29826975295407046d2d87f609fc3e

    SHA512

    34ecfda7dcad85b6e29fe4a51d7798517d1c2432879eee547e254d251c7f21a52616af58c1a5ce6d50a6a505cf2d03a8e46a3d3a441ca18df1aa86ed9bc546c6

  • C:\Users\Admin\AppData\Local\Temp\Hwqujbjwlyvggktrainingadministrator_s.exe
    Filesize

    6KB

    MD5

    d0b53e53092311bc055630adf3e4ccdc

    SHA1

    bf66777607a1d968e3194fe047f9a0e03f249f28

    SHA256

    0cdff2f53a06a63f46dd3e773c3ae99f1d29826975295407046d2d87f609fc3e

    SHA512

    34ecfda7dcad85b6e29fe4a51d7798517d1c2432879eee547e254d251c7f21a52616af58c1a5ce6d50a6a505cf2d03a8e46a3d3a441ca18df1aa86ed9bc546c6

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
    Filesize

    214.6MB

    MD5

    4786de75433835fdc9d3d08edf8116ca

    SHA1

    2c6843f4b1992eeb9215c4d582a94c4ceb7284f9

    SHA256

    d70c8ccf220b6424009b114c1af14df7e472b368f3c72b186322eeb86604b4eb

    SHA512

    e828ee36882c3d95c4c86ee0bd396527d3eb89f036c706f6f108e2caf8c2e87f946dbaddfb71db9a386cb7c111622cbcdbe46feff0563a7f4cb4fd59f32c9ad9

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
    Filesize

    214.6MB

    MD5

    4786de75433835fdc9d3d08edf8116ca

    SHA1

    2c6843f4b1992eeb9215c4d582a94c4ceb7284f9

    SHA256

    d70c8ccf220b6424009b114c1af14df7e472b368f3c72b186322eeb86604b4eb

    SHA512

    e828ee36882c3d95c4c86ee0bd396527d3eb89f036c706f6f108e2caf8c2e87f946dbaddfb71db9a386cb7c111622cbcdbe46feff0563a7f4cb4fd59f32c9ad9

  • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\SETUP_~1.EXE
    Filesize

    214.6MB

    MD5

    4786de75433835fdc9d3d08edf8116ca

    SHA1

    2c6843f4b1992eeb9215c4d582a94c4ceb7284f9

    SHA256

    d70c8ccf220b6424009b114c1af14df7e472b368f3c72b186322eeb86604b4eb

    SHA512

    e828ee36882c3d95c4c86ee0bd396527d3eb89f036c706f6f108e2caf8c2e87f946dbaddfb71db9a386cb7c111622cbcdbe46feff0563a7f4cb4fd59f32c9ad9

  • memory/2164-156-0x0000000000000000-mapping.dmp
  • memory/2176-136-0x0000000005C70000-0x0000000005C92000-memory.dmp
    Filesize

    136KB

  • memory/2176-135-0x0000000000880000-0x0000000000892000-memory.dmp
    Filesize

    72KB

  • memory/2176-132-0x0000000000000000-mapping.dmp
  • memory/2304-160-0x0000000000000000-mapping.dmp
  • memory/2608-149-0x00000000006B0000-0x00000000006B8000-memory.dmp
    Filesize

    32KB

  • memory/2608-145-0x0000000000000000-mapping.dmp
  • memory/3372-155-0x00000000050C0000-0x00000000050FC000-memory.dmp
    Filesize

    240KB

  • memory/3372-148-0x0000000000000000-mapping.dmp
  • memory/3372-150-0x0000000000400000-0x0000000000428000-memory.dmp
    Filesize

    160KB

  • memory/3372-152-0x0000000005580000-0x0000000005B98000-memory.dmp
    Filesize

    6.1MB

  • memory/3372-153-0x0000000005100000-0x000000000520A000-memory.dmp
    Filesize

    1.0MB

  • memory/3372-154-0x0000000005030000-0x0000000005042000-memory.dmp
    Filesize

    72KB

  • memory/3844-143-0x00000000076D0000-0x0000000007D4A000-memory.dmp
    Filesize

    6.5MB

  • memory/3844-144-0x0000000006590000-0x00000000065AA000-memory.dmp
    Filesize

    104KB

  • memory/3844-142-0x0000000006080000-0x000000000609E000-memory.dmp
    Filesize

    120KB

  • memory/3844-141-0x0000000005A30000-0x0000000005A96000-memory.dmp
    Filesize

    408KB

  • memory/3844-140-0x00000000059C0000-0x0000000005A26000-memory.dmp
    Filesize

    408KB

  • memory/3844-139-0x0000000005320000-0x0000000005948000-memory.dmp
    Filesize

    6.2MB

  • memory/3844-138-0x0000000000EC0000-0x0000000000EF6000-memory.dmp
    Filesize

    216KB

  • memory/3844-137-0x0000000000000000-mapping.dmp
  • memory/3904-162-0x0000000000000000-mapping.dmp
  • memory/3904-163-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3904-165-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB

  • memory/3904-166-0x0000000000400000-0x0000000000409000-memory.dmp
    Filesize

    36KB