Analysis

  • max time kernel
    126s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7
  • submitted
    09-10-2020 15:31

General

  • Target

    501b75d8dbd7438757d5c35406d61e48.exe

  • Size

    734KB

  • MD5

    501b75d8dbd7438757d5c35406d61e48

  • SHA1

    abec9aaa87c6fcecddbeee721835ad1fd7aa39fe

  • SHA256

    ed9d96725b88ce0a3caee6d98c11369fb84a1d7eca3847db66abe63c49955f73

  • SHA512

    d2e7558d0b89df1cae8556c2321e83c706a6f177a31ddcb346d347ba3736d60ea4be0d9e897819f1d0855cbd79c3a7f475a634370691fc8da256f7fe804d57b8

Malware Config

Extracted

Family

raccoon

Botnet

ee3b370277b98939f8098234def6cb188c03591f

Attributes
  • url4cnc

    https://telete.in/brikitiki

rc4.plain
rc4.plain

Extracted

Family

oski

C2

letitburns.ug

Extracted

Family

azorult

C2

http://195.245.112.115/index.php

Signatures

  • Azorult

    An information stealer that was first discovered in 2016, targeting browsing history and passwords.

  • Oski

    Oski is an infostealer targeting browser data, crypto wallets.

  • Raccoon

    Simple but powerful infostealer which was very active in 2019.

  • Downloads MZ/PE file
  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops desktop.ini file(s) 1 IoCs
  • Suspicious use of SetThreadContext 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 1 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 58 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\501b75d8dbd7438757d5c35406d61e48.exe
    "C:\Users\Admin\AppData\Local\Temp\501b75d8dbd7438757d5c35406d61e48.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1088
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Okqtlkdmt.vbs"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1536
      • C:\Users\Admin\AppData\Local\Temp\Limo.exe
        "C:\Users\Admin\AppData\Local\Temp\Limo.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:1968
        • C:\Windows\SysWOW64\WScript.exe
          "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\Agzofy.vbs"
          4⤵
          • Loads dropped DLL
          • Suspicious use of WriteProcessMemory
          PID:1848
          • C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe
            "C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe"
            5⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • Suspicious use of SetThreadContext
            • Suspicious use of AdjustPrivilegeToken
            • Suspicious use of WriteProcessMemory
            PID:1548
            • C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe
              "C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe"
              6⤵
              • Executes dropped EXE
              PID:528
        • C:\Users\Admin\AppData\Local\Temp\Limo.exe
          "C:\Users\Admin\AppData\Local\Temp\Limo.exe"
          4⤵
          • Executes dropped EXE
          PID:2024
        • C:\Users\Admin\AppData\Local\Temp\Limo.exe
          "C:\Users\Admin\AppData\Local\Temp\Limo.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Checks processor information in registry
          • Suspicious use of WriteProcessMemory
          PID:1980
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\System32\cmd.exe" /c taskkill /pid 1980 & erase C:\Users\Admin\AppData\Local\Temp\Limo.exe & RD /S /Q C:\\ProgramData\\899501765981429\\* & exit
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:1540
            • C:\Windows\SysWOW64\taskkill.exe
              taskkill /pid 1980
              6⤵
              • Kills process with taskkill
              • Suspicious use of AdjustPrivilegeToken
              PID:900
    • C:\Users\Admin\AppData\Local\Temp\501b75d8dbd7438757d5c35406d61e48.exe
      "C:\Users\Admin\AppData\Local\Temp\501b75d8dbd7438757d5c35406d61e48.exe"
      2⤵
      • Drops desktop.ini file(s)
      • Modifies system certificate store
      PID:1864

Network

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Credentials in Files

2
T1081

Discovery

Query Registry

2
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

2
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Agzofy.vbs
    MD5

    e8f87f21e66219a0689dd40a12e039f1

    SHA1

    04c622cf253f1160da51a7bc71807f60ca70263c

    SHA256

    53d241b3f14e0b4f27e145b7530198868798c601093d5e2ca31c7cb67e5dfc55

    SHA512

    986ff8fc6ada5e8ea4a2b1d53a36f9ab740d0a52262e0323c4a8ddace7856d2d798586b58c55a51e6f8c7ae761ff3cabd76876b3280a2c78925c7e429418b5c3

  • C:\Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • C:\Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • C:\Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • C:\Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe
    MD5

    ff52a296b09b7a1806a0a2cac6098128

    SHA1

    e875bfaab02057103a252f2628fa773e0dd0318a

    SHA256

    f0127e6a8bb7480f5aed279ef700625f9c8084d430d9a84d75635b9b8fdd8b7d

    SHA512

    b5ad6bc84b330d3265e08a281e6ca4c013acf7b1930d45e61d91f0fa4b2489e540ed0e4f21baefe38cf024fd408ca3005a33295bfb77abbfed84cb75a736e480

  • C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe
    MD5

    ff52a296b09b7a1806a0a2cac6098128

    SHA1

    e875bfaab02057103a252f2628fa773e0dd0318a

    SHA256

    f0127e6a8bb7480f5aed279ef700625f9c8084d430d9a84d75635b9b8fdd8b7d

    SHA512

    b5ad6bc84b330d3265e08a281e6ca4c013acf7b1930d45e61d91f0fa4b2489e540ed0e4f21baefe38cf024fd408ca3005a33295bfb77abbfed84cb75a736e480

  • C:\Users\Admin\AppData\Local\Temp\Lxcaa.exe
    MD5

    ff52a296b09b7a1806a0a2cac6098128

    SHA1

    e875bfaab02057103a252f2628fa773e0dd0318a

    SHA256

    f0127e6a8bb7480f5aed279ef700625f9c8084d430d9a84d75635b9b8fdd8b7d

    SHA512

    b5ad6bc84b330d3265e08a281e6ca4c013acf7b1930d45e61d91f0fa4b2489e540ed0e4f21baefe38cf024fd408ca3005a33295bfb77abbfed84cb75a736e480

  • C:\Users\Admin\AppData\Local\Temp\Okqtlkdmt.vbs
    MD5

    a4584cfa75a2579b73885d8c857f49fa

    SHA1

    11eed7ac4393a1c170b3b65e9252b90ddc6fb2b9

    SHA256

    9806109fc204da8de9b3533d2df60a29b6c6c1097ed27db0d000e457ab0660a5

    SHA512

    c1d8534c19572265de5a79dd9178324d931c5c4bc443010676a0b6cf54e661769278d6b6bfa0f1b7c7d4fa9491b44c34c2a49eb68002f67593a935cca636390a

  • \ProgramData\mozglue.dll
    MD5

    8f73c08a9660691143661bf7332c3c27

    SHA1

    37fa65dd737c50fda710fdbde89e51374d0c204a

    SHA256

    3fe6b1c54b8cf28f571e0c5d6636b4069a8ab00b4f11dd842cfec00691d0c9cd

    SHA512

    0042ecf9b3571bb5eba2de893e8b2371df18f7c5a589f52ee66e4bfbaa15a5b8b7cc6a155792aaa8988528c27196896d5e82e1751c998bacea0d92395f66ad89

  • \ProgramData\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \ProgramData\nss3.dll
    MD5

    bfac4e3c5908856ba17d41edcd455a51

    SHA1

    8eec7e888767aa9e4cca8ff246eb2aacb9170428

    SHA256

    e2935b5b28550d47dc971f456d6961f20d1633b4892998750140e0eaa9ae9d78

    SHA512

    2565bab776c4d732ffb1f9b415992a4c65b81bcd644a9a1df1333a269e322925fc1df4f76913463296efd7c88ef194c3056de2f1ca1357d7b5fe5ff0da877a66

  • \ProgramData\sqlite3.dll
    MD5

    e477a96c8f2b18d6b5c27bde49c990bf

    SHA1

    e980c9bf41330d1e5bd04556db4646a0210f7409

    SHA256

    16574f51785b0e2fc29c2c61477eb47bb39f714829999511dc8952b43ab17660

    SHA512

    335a86268e7c0e568b1c30981ec644e6cd332e66f96d2551b58a82515316693c1859d87b4f4b7310cf1ac386cee671580fdd999c3bcb23acf2c2282c01c8798c

  • \ProgramData\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • \Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • \Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • \Users\Admin\AppData\Local\Temp\Limo.exe
    MD5

    73eb3d14503c3e556ef2f5ea8d0347cc

    SHA1

    61e367b8544a1bcb41801181a9b021b2b1739a31

    SHA256

    474314ecea6a032371a8cb8328f55d9d659470b7f71b491090b55e3be58c2937

    SHA512

    4b49ace3feba4b5ae4fb9687fd64d67682fba165ef0f7d7627e44351f68373ca0d3c4073c1acb81c252b8cc827bfc96466a29e3b87028c8a37f9fde47c2f98e6

  • \Users\Admin\AppData\Local\Temp\Lxcaa.exe
    MD5

    ff52a296b09b7a1806a0a2cac6098128

    SHA1

    e875bfaab02057103a252f2628fa773e0dd0318a

    SHA256

    f0127e6a8bb7480f5aed279ef700625f9c8084d430d9a84d75635b9b8fdd8b7d

    SHA512

    b5ad6bc84b330d3265e08a281e6ca4c013acf7b1930d45e61d91f0fa4b2489e540ed0e4f21baefe38cf024fd408ca3005a33295bfb77abbfed84cb75a736e480

  • \Users\Admin\AppData\Local\Temp\Lxcaa.exe
    MD5

    ff52a296b09b7a1806a0a2cac6098128

    SHA1

    e875bfaab02057103a252f2628fa773e0dd0318a

    SHA256

    f0127e6a8bb7480f5aed279ef700625f9c8084d430d9a84d75635b9b8fdd8b7d

    SHA512

    b5ad6bc84b330d3265e08a281e6ca4c013acf7b1930d45e61d91f0fa4b2489e540ed0e4f21baefe38cf024fd408ca3005a33295bfb77abbfed84cb75a736e480

  • memory/528-49-0x000000000041A684-mapping.dmp
  • memory/528-51-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/528-48-0x0000000000400000-0x0000000000420000-memory.dmp
    Filesize

    128KB

  • memory/900-44-0x0000000000000000-mapping.dmp
  • memory/1088-5-0x0000000000680000-0x000000000068D000-memory.dmp
    Filesize

    52KB

  • memory/1088-3-0x0000000000F30000-0x0000000000FD8000-memory.dmp
    Filesize

    672KB

  • memory/1088-0-0x0000000073F10000-0x00000000745FE000-memory.dmp
    Filesize

    6.9MB

  • memory/1088-1-0x00000000011F0000-0x00000000011F1000-memory.dmp
    Filesize

    4KB

  • memory/1104-18-0x000007FEF6980000-0x000007FEF6BFA000-memory.dmp
    Filesize

    2.5MB

  • memory/1536-13-0x00000000027D0000-0x00000000027D4000-memory.dmp
    Filesize

    16KB

  • memory/1536-4-0x0000000000000000-mapping.dmp
  • memory/1540-43-0x0000000000000000-mapping.dmp
  • memory/1548-36-0x00000000012D0000-0x00000000012D1000-memory.dmp
    Filesize

    4KB

  • memory/1548-35-0x0000000072BA0000-0x000000007328E000-memory.dmp
    Filesize

    6.9MB

  • memory/1548-45-0x0000000000280000-0x00000000002A2000-memory.dmp
    Filesize

    136KB

  • memory/1548-32-0x0000000000000000-mapping.dmp
  • memory/1848-20-0x0000000000000000-mapping.dmp
  • memory/1848-34-0x0000000002760000-0x0000000002764000-memory.dmp
    Filesize

    16KB

  • memory/1864-9-0x0000000000400000-0x0000000000493000-memory.dmp
    Filesize

    588KB

  • memory/1864-8-0x0000000000440102-mapping.dmp
  • memory/1864-7-0x0000000000400000-0x0000000000493000-memory.dmp
    Filesize

    588KB

  • memory/1968-19-0x00000000009A0000-0x00000000009EC000-memory.dmp
    Filesize

    304KB

  • memory/1968-16-0x0000000000E00000-0x0000000000E01000-memory.dmp
    Filesize

    4KB

  • memory/1968-15-0x0000000073290000-0x000000007397E000-memory.dmp
    Filesize

    6.9MB

  • memory/1968-12-0x0000000000000000-mapping.dmp
  • memory/1980-28-0x0000000000417A8B-mapping.dmp
  • memory/1980-27-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB

  • memory/1980-31-0x0000000000400000-0x0000000000434000-memory.dmp
    Filesize

    208KB