Analysis

  • max time kernel
    63s
  • max time network
    64s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-12-2024 13:30

General

  • Target

    official rat by e1dar.exe

  • Size

    800KB

  • MD5

    02c70d9d6696950c198db93b7f6a835e

  • SHA1

    30231a467a49cc37768eea0f55f4bea1cbfb48e2

  • SHA256

    8f2e28588f2303bd8d7a9b0c3ff6a9cb16fa93f8ddc9c5e0666a8c12d6880ee3

  • SHA512

    431d9b9918553bff4f4a5bc2a5e7b7015f8ad0e2d390bb4d5264d08983372424156524ef5587b24b67d1226856fc630aaca08edc8113097e0094501b4f08efeb

  • SSDEEP

    12288:qhd8cjaLXVh84wEFkW1mocaBj6WtiRPpptHxQ0z:2ycjar84w5W4ocaBj6y2tHDz

Score
8/10

Malware Config

Signatures

  • Downloads MZ/PE file
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Unexpected DNS network traffic destination 22 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Gathers network information 2 TTPs 1 IoCs

    Uses commandline utility to view network configuration.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 45 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\official rat by e1dar.exe
    "C:\Users\Admin\AppData\Local\Temp\official rat by e1dar.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3588
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c ipconfig /all
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:712
      • C:\Windows\system32\ipconfig.exe
        ipconfig /all
        3⤵
        • Gathers network information
        PID:2136
    • C:\Windows\SYSTEM32\cmd.exe
      "cmd" /c wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2736
      • C:\Windows\System32\Wbem\WMIC.exe
        wmic nicconfig where (IPEnabled=TRUE) call SetDNSServerSearchOrder ("1.1.1.1", "1.0.0.1")
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:4724
    • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe
      "C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe" --oldBootstrapper "C:\Users\Admin\AppData\Local\Temp\official rat by e1dar.exe" --isUpdate true
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of WriteProcessMemory
      PID:2704
      • C:\ProgramData\Solara\Solara.exe
        "C:\ProgramData\Solara\Solara.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:4456

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\ProgramData\Solara\Newtonsoft.Json.dll

    Filesize

    695KB

    MD5

    195ffb7167db3219b217c4fd439eedd6

    SHA1

    1e76e6099570ede620b76ed47cf8d03a936d49f8

    SHA256

    e1e27af7b07eeedf5ce71a9255f0422816a6fc5849a483c6714e1b472044fa9d

    SHA512

    56eb7f070929b239642dab729537dde2c2287bdb852ad9e80b5358c74b14bc2b2dded910d0e3b6304ea27eb587e5f19db0a92e1cbae6a70fb20b4ef05057e4ac

  • C:\ProgramData\Solara\Solara.exe

    Filesize

    133KB

    MD5

    c6f770cbb24248537558c1f06f7ff855

    SHA1

    fdc2aaae292c32a58ea4d9974a31ece26628fdd7

    SHA256

    d1e4a542fa75f6a6fb636b5de6f7616e2827a79556d3d9a4afc3ecb47f0beb2b

    SHA512

    cac56c58bd01341ec3ff102fe04fdb66625baad1d3dd7127907cd8453d2c6e2226ad41033e16ba20413a509fc7c826e4fdc0c0d553175eb6f164c2fc0906614a

  • C:\ProgramData\Solara\Wpf.Ui.dll

    Filesize

    5.2MB

    MD5

    aead90ab96e2853f59be27c4ec1e4853

    SHA1

    43cdedde26488d3209e17efff9a51e1f944eb35f

    SHA256

    46cfbe804b29c500ebc0b39372e64c4c8b4f7a8e9b220b5f26a9adf42fcb2aed

    SHA512

    f5044f2ee63906287460b9adabfcf3c93c60b51c86549e33474c4d7f81c4f86cd03cd611df94de31804c53006977874b8deb67c4bf9ea1c2b70c459b3a44b38d

  • C:\Users\Admin\AppData\Local\Temp\BootstrapperV2.04.exe

    Filesize

    2.8MB

    MD5

    be4da425d9b7593e358ffbfca29f9c70

    SHA1

    dc98530aad9728d779866ae957a738c52b13a565

    SHA256

    c5277ddb6e51181d2b8bad59acf5f2badf5613b1e73384a84b793f720aa76c0d

    SHA512

    35790944f5855038f8357c0f6d11ea81b260632e590c26f9342e8beb1a8dfd2e3eb9efa11f8378f8542cad45e7675af3d29cf27424accf35aaa6aeb34487155b

  • memory/2704-26-0x000001C2713A0000-0x000001C2713C8000-memory.dmp

    Filesize

    160KB

  • memory/2704-29-0x000001C271340000-0x000001C27134A000-memory.dmp

    Filesize

    40KB

  • memory/2704-38-0x000001C280050000-0x000001C280062000-memory.dmp

    Filesize

    72KB

  • memory/2704-19-0x000001C251610000-0x000001C2518EA000-memory.dmp

    Filesize

    2.9MB

  • memory/2704-20-0x000001C26BE40000-0x000001C26BE50000-memory.dmp

    Filesize

    64KB

  • memory/2704-21-0x000001C271170000-0x000001C271178000-memory.dmp

    Filesize

    32KB

  • memory/2704-22-0x000001C271360000-0x000001C271398000-memory.dmp

    Filesize

    224KB

  • memory/2704-23-0x000001C271190000-0x000001C27119E000-memory.dmp

    Filesize

    56KB

  • memory/2704-24-0x000001C271DF0000-0x000001C271EF0000-memory.dmp

    Filesize

    1024KB

  • memory/2704-25-0x000001C271320000-0x000001C27132A000-memory.dmp

    Filesize

    40KB

  • memory/2704-36-0x000001C27FFF0000-0x000001C27FFFA000-memory.dmp

    Filesize

    40KB

  • memory/2704-27-0x000001C271350000-0x000001C271358000-memory.dmp

    Filesize

    32KB

  • memory/2704-28-0x000001C2713D0000-0x000001C2713E6000-memory.dmp

    Filesize

    88KB

  • memory/2704-35-0x000001C22FE30000-0x000001C22FE4E000-memory.dmp

    Filesize

    120KB

  • memory/2704-30-0x000001C271330000-0x000001C27133A000-memory.dmp

    Filesize

    40KB

  • memory/2704-31-0x000001C271F00000-0x000001C271F08000-memory.dmp

    Filesize

    32KB

  • memory/2704-33-0x000001C23E870000-0x000001C23E922000-memory.dmp

    Filesize

    712KB

  • memory/3588-5-0x00007FFCD9873000-0x00007FFCD9875000-memory.dmp

    Filesize

    8KB

  • memory/3588-0-0x00007FFCD9873000-0x00007FFCD9875000-memory.dmp

    Filesize

    8KB

  • memory/3588-18-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

    Filesize

    10.8MB

  • memory/3588-4-0x0000013077ED0000-0x0000013077EF2000-memory.dmp

    Filesize

    136KB

  • memory/3588-2-0x00007FFCD9870000-0x00007FFCDA331000-memory.dmp

    Filesize

    10.8MB

  • memory/3588-1-0x000001305D960000-0x000001305DA2E000-memory.dmp

    Filesize

    824KB

  • memory/4456-454-0x000002762B5D0000-0x000002762B5F4000-memory.dmp

    Filesize

    144KB

  • memory/4456-456-0x0000027647860000-0x0000027647D9C000-memory.dmp

    Filesize

    5.2MB

  • memory/4456-457-0x00000276474D0000-0x000002764758A000-memory.dmp

    Filesize

    744KB

  • memory/4456-459-0x0000027647590000-0x0000027647642000-memory.dmp

    Filesize

    712KB