Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10_x64
  • resource
    win10
  • submitted
    24-06-2020 14:56

General

  • Target

    03e6b99846c4ab6a841fa7aa135d2e7230a98957c1595e2ee0bc2b14329871ca.exe

  • Size

    1.5MB

  • MD5

    919e727137404624d1f88c477747aa85

  • SHA1

    5136eab99b1c750ad54cff142cb960ec749e7385

  • SHA256

    03e6b99846c4ab6a841fa7aa135d2e7230a98957c1595e2ee0bc2b14329871ca

  • SHA512

    1511b57c9e194444ad4e32c1b34f4df00e9bdadab9953d2f93722ebc7906ec56910b309760b83a683df40a90d82ee12955d0826d95da0bf2207a0fd930330c71

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

fut123.no-ip.biz:6968

Mutex

DC_MUTEX-QDT8201

Attributes
  • gencode

    pQP26nCFHbNE

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs
  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks whether UAC is enabled 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03e6b99846c4ab6a841fa7aa135d2e7230a98957c1595e2ee0bc2b14329871ca.exe
    "C:\Users\Admin\AppData\Local\Temp\03e6b99846c4ab6a841fa7aa135d2e7230a98957c1595e2ee0bc2b14329871ca.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3676
    • C:\Users\Admin\ipf32ln\ETevhvcjIJb.exe
      "C:\Users\Admin\ipf32ln\ETevhvcjIJb.exe" vFDa.FYS
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Checks whether UAC is enabled
      • Suspicious use of SetThreadContext
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3208
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegSvcs.exe"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:416

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\ipf32ln\BXDIFC~1.OGC

    MD5

    21ccd7694b26cbfb1002a15832fe6fad

    SHA1

    dbdcd68c47eff5f80648241792d872aa886fc590

    SHA256

    7dbdefaab3173efeaeb1e80d13441046687f9e67e1e5df197153e9ca1c73c0d3

    SHA512

    1b8bf35a3b148bb33f0ad68da0f4c30efa1b1532cce96844786c65cea2ff9281c1bec43b36456cee79c3509055b5d8b94edf642e9fa7a2f6237e8fef59f325ed

  • C:\Users\Admin\ipf32ln\ETevhvcjIJb.exe

    MD5

    e01ced5c12390ff5256694eda890b33a

    SHA1

    0bb74a9d3154d1269e5e456aa41e94b60f753f78

    SHA256

    66c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba

    SHA512

    93a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d

  • C:\Users\Admin\ipf32ln\ETevhvcjIJb.exe

    MD5

    e01ced5c12390ff5256694eda890b33a

    SHA1

    0bb74a9d3154d1269e5e456aa41e94b60f753f78

    SHA256

    66c1f3e71685f81f836e29e77844c737ceaa47ff787d6b233b05166973fa73ba

    SHA512

    93a35ef3749826c1256c4de0fffe099374dbc5cd3d8eccf22690cf2a4c7e63b508ddbe4e412758a84f9c6e9478b5173a6cf93606779af18542d5a2937183219d

  • C:\Users\Admin\ipf32ln\ZGDdzVslc.JHN

    MD5

    389bd8c604452f4783fa220b69a220fa

    SHA1

    603483c24d3b75bacda42dcfcd62ce4a5055852b

    SHA256

    bc79467fa5865183f1071d2db514b8b79cbb9487dd9b5f2a08a7ca1f86b8f2eb

    SHA512

    d5f225df727a6bb39f43d5a8ea74c50448ee00991f82c0199ff7d37df2927284d7b4d190356ccf23a955ed1d366fdfede29e0de3ff0648a49e9caa39ff515952

  • C:\Users\Admin\ipf32ln\vFDa.FYS

    MD5

    1f4d3b3863f80264918b817eae2546c1

    SHA1

    e092d1f9e4df2d60dbacbe90932bd1d063dad6b9

    SHA256

    6d2ae24f184615ee2685bc4b9199850f9261840b02ab60b06a2e2f8642ed0849

    SHA512

    597211d6a098f4009dabe7fd0791174c76a5c28a64c3fbdf6237d52f630031227768bd592cf160338e401218c87499f13d3811434bbea34845aff086a15022ea

  • memory/416-8-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/416-6-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/416-7-0x000000000048F888-mapping.dmp

  • memory/3208-28-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-9-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-10-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-12-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-13-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-14-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-15-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-16-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-17-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-18-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-26-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-27-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-0-0x0000000000000000-mapping.dmp

  • memory/3208-30-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-31-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-44-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-58-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-112-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-113-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-116-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-118-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-120-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-126-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-148-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-150-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-151-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-152-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-224-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-225-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-226-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-227-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-228-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-236-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB

  • memory/3208-238-0x0000000004B40000-0x0000000004B41000-memory.dmp

    Filesize

    4KB