Analysis

  • max time kernel
    154s
  • max time network
    160s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-en-20220112
  • submitted
    16-02-2022 12:02

General

  • Target

    fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a.exe

  • Size

    120KB

  • MD5

    8950fcf3617883788286cc40cc8665f5

  • SHA1

    b169be225703daefcf7d236893ae55b5cc774dbd

  • SHA256

    fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a

  • SHA512

    ecbbce4372a7f597f9f2497160e05e61c8ebd7f44d528297f7d151d56a9a27c7faa9f3fdf7afab45c9b67fa02afe108cf5891a3061c2eba4647d931b1a2b5cb3

Malware Config

Extracted

Family

allcome

C2

http://dba692117be7b6d3480fe5220fdd58b38bf.xyz/exp.php?usr=infected

Wallets

DJTEj1dHbvRbzRMFswkBbEoVtYyDX4utrm

r9ZdXujmStGh4xJ45FXAYiz6vLeF12ft4H

GBPA3M5TJHPBUY33MFFNTSFHGQEV27P2SP7NCGK5ZZXINCNMXFYO4C5L

48J7NrfRFCPFfwyHaywQUSKuyn56or1kRByicvx2ZCFMRboGDmvxH9y4kQz6T2Hhv8AREnZE4dS43JoVcrkc4kShNTkXbv8

qp4cn8t095hphpy6qraafmtsfskjnnxevcvvug8e87

bc1q2phs6h42kfecv9eu2vm9qjspmtw8w0256eg8cc

0x7942b7173F1557F285666009006Bff1AEe1339B3

LdCE37gd4AgqxAyjMjc4NYdZNT2nn1qpen

Signatures

  • Allcome

    A clipbanker that supports stealing different cryptocurrency wallets and payment forms.

  • suricata: ET MALWARE Win32/ClipBanker.OC CnC Activity M1

    suricata: ET MALWARE Win32/ClipBanker.OC CnC Activity M1

  • Executes dropped EXE 3 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Modifies data under HKEY_USERS 50 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a.exe
    "C:\Users\Admin\AppData\Local\Temp\fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4072
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /tn NvTmRep_CrashReport3_{B2FE1952-0186} /sc MINUTE /tr C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
      2⤵
      • Creates scheduled task(s)
      PID:1864
  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    1⤵
    • Executes dropped EXE
    PID:3208
  • C:\Windows\System32\svchost.exe
    C:\Windows\System32\svchost.exe -k NetworkService -p
    1⤵
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    PID:3356
  • C:\Windows\system32\MusNotifyIcon.exe
    %systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13
    1⤵
    • Checks processor information in registry
    PID:2024
  • C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
    C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    PID:3144
  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    1⤵
    • Executes dropped EXE
    PID:3572
  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    1⤵
    • Executes dropped EXE
    PID:1976

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Discovery

Query Registry

2
T1012

System Information Discovery

3
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    MD5

    8950fcf3617883788286cc40cc8665f5

    SHA1

    b169be225703daefcf7d236893ae55b5cc774dbd

    SHA256

    fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a

    SHA512

    ecbbce4372a7f597f9f2497160e05e61c8ebd7f44d528297f7d151d56a9a27c7faa9f3fdf7afab45c9b67fa02afe108cf5891a3061c2eba4647d931b1a2b5cb3

  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    MD5

    8950fcf3617883788286cc40cc8665f5

    SHA1

    b169be225703daefcf7d236893ae55b5cc774dbd

    SHA256

    fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a

    SHA512

    ecbbce4372a7f597f9f2497160e05e61c8ebd7f44d528297f7d151d56a9a27c7faa9f3fdf7afab45c9b67fa02afe108cf5891a3061c2eba4647d931b1a2b5cb3

  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    MD5

    8950fcf3617883788286cc40cc8665f5

    SHA1

    b169be225703daefcf7d236893ae55b5cc774dbd

    SHA256

    fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a

    SHA512

    ecbbce4372a7f597f9f2497160e05e61c8ebd7f44d528297f7d151d56a9a27c7faa9f3fdf7afab45c9b67fa02afe108cf5891a3061c2eba4647d931b1a2b5cb3

  • C:\Users\Admin\AppData\Local\CrashDumps\subst.exe
    MD5

    8950fcf3617883788286cc40cc8665f5

    SHA1

    b169be225703daefcf7d236893ae55b5cc774dbd

    SHA256

    fb2aef6ff28eda5f75ec0c5c330251303587b6bccdec299042b0c922b490d11a

    SHA512

    ecbbce4372a7f597f9f2497160e05e61c8ebd7f44d528297f7d151d56a9a27c7faa9f3fdf7afab45c9b67fa02afe108cf5891a3061c2eba4647d931b1a2b5cb3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\GS28O9WE\exp[1].php
    MD5

    336d5ebc5436534e61d16e63ddfca327

    SHA1

    3bc15c8aae3e4124dd409035f32ea2fd6835efc9

    SHA256

    3973e022e93220f9212c18d0d0c543ae7c309e46640da93a4a0314de999f5112

    SHA512

    7c0b0d99a6e4c33cda0f6f63547f878f4dd9f486dfe5d0446ce004b1c0ff28f191ff86f5d5933d3614cceee6fbbdc17e658881d3a164dfa5d6f4c699b2126e3d

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VMAZW8LB\exp[1].php
    MD5

    336d5ebc5436534e61d16e63ddfca327

    SHA1

    3bc15c8aae3e4124dd409035f32ea2fd6835efc9

    SHA256

    3973e022e93220f9212c18d0d0c543ae7c309e46640da93a4a0314de999f5112

    SHA512

    7c0b0d99a6e4c33cda0f6f63547f878f4dd9f486dfe5d0446ce004b1c0ff28f191ff86f5d5933d3614cceee6fbbdc17e658881d3a164dfa5d6f4c699b2126e3d