General

  • Target

    Pictures.rar

  • Size

    32.9MB

  • Sample

    241217-t73smssqgz

  • MD5

    ee72786ed638b0a1ff4aaeab2930b124

  • SHA1

    9f4cc855008182d693fd95dfc1a01dfa86122e6b

  • SHA256

    f8362987559c18f86c3140f587c9afe2fb672bf8e7c9cef72a40b023340ba1d6

  • SHA512

    d69eb9647d110c91431392e2dfd8bdafab7fd41400ed60432335213657f3e526428ab4fd0db12c7a584959a37d9a17892c9a3b0042dc87a6a3e18f3f08a8a9e2

  • SSDEEP

    786432:LuXBszdWeJLr859RPyUE9ykGTxJM3O/vKxhNR58SzCFKvLYYdhwe1x3H1A4jwU:ixQhAdO+xhyNR58SzpzYgxx3H24EU

Malware Config

Extracted

Family

cybergate

Version

v1.07.5

Botnet

remote

C2

127.0.0.1:999

Mutex

CyberGate1

Attributes
  • enable_keylogger

    true

  • enable_message_box

    false

  • ftp_directory

    ./logs/

  • ftp_interval

    30

  • injected_process

    explorer.exe

  • install_dir

    install

  • install_file

    server.exe

  • install_flag

    true

  • keylogger_enable_ftp

    false

  • message_box_caption

    Remote Administration anywhere in the world.

  • message_box_title

    CyberGate

  • password

    cybergate

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:1604

Mutex

DCMIN_MUTEX-6NVM9VT

Attributes
  • InstallPath

    DCSCMIN\IMDCSC.exe

  • gencode

    UK2Bgjd1gQ7p

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    DarkComet RAT

Targets

    • Target

      CyberGate Excel v2.5.5.1 - Trial/CyberGate Excel v2.5.5.1 - Trial/CyberGate Excel_v2.5.5.1-trial.exe

    • Size

      20.0MB

    • MD5

      e439e5634e7ec43b46bcf1d54c6ad292

    • SHA1

      055cfa10a8be6ef9e49786c1206f2f855b2dd637

    • SHA256

      7dfb0ece83deed38190bb57a9aab44a101203fa7e0b3e633e7c7231173a43fd1

    • SHA512

      06a91704625a572255ed256286da965443d01c7d581d69dd91164144f7ce2113f3830a749c99f7d63b2b04572ae31e699455c888d5015df3391860e6beb41ed5

    • SSDEEP

      393216:9oePeqDgO0luPusB1mRqUcEpjBVNT4kzzFUC:9o9OsuPTB1m4zER9T4kR

    Score
    5/10
    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Target

      CyberGate Excel v2.5.5.1 - Trial/CyberGate Excel v2.5.5.1 - Trial/server.exe

    • Size

      405KB

    • MD5

      2bafc6be6147f7c66138becbde526cc0

    • SHA1

      b756233a6e0b20278fedf1caa030f504e54a8384

    • SHA256

      b693b56c3ed54d8e250c8a7347f421df3bbe097bdd581696624257c5c656b8a3

    • SHA512

      59e1d61c735949045a41410904337603a9b93f0a6b7d64b5f288920442cb01f6015341dd570a8169e0bef4d631d3fd5a2b7990b8c5f47c1d2a51403e67c59eb2

    • SSDEEP

      12288:VkqfGzfVnl6VCB+lHOWbtOBEtV1H8UTAti5:VkqfGhoAyx2Vc5

    • XtremeRAT

      The XtremeRAT was developed by xtremecoder and has been available since at least 2010, and written in Delphi.

    • Xtremerat family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target

      CyberGate v1.07.5/CyberGate v1.07.5/CyberGate v1.07.5.exe

    • Size

      2.3MB

    • MD5

      fc6ee683f28c4d867b069841b45cde8b

    • SHA1

      7ba5b8f07bd86a85b583f8c92d27bb94792b6373

    • SHA256

      d2119d9dce199cab558514bb1de19a59b207a9d654d0ed1477fa2d98f20e3dc3

    • SHA512

      a74f81bb2fa4806abb61e7c8b66fe60b2827120a5558ced95076d3af37e517a4395f28750875fb7cca197258502d8eee3221ee6c4a9fd76e5ec95c4ec5563f56

    • SSDEEP

      49152:jBcY9bLMtRGHMTy+hjt2cTl4XRsme9qwwoHXi3Ic+8R1Hg3wx:iftRmsy+l4cIe9qn2XsIcHrx

    Score
    3/10
    • Target

      CyberGate v1.07.5/CyberGate v1.07.5/server.exe

    • Size

      296KB

    • MD5

      8af5123bd112bc7ab914541510debe78

    • SHA1

      e3933efe1c86d97ad198a1065065184edca1f0d8

    • SHA256

      3a503f261baea1d0cdd69d3dd8b397d7a403b8b987da910b633a1d89743842d0

    • SHA512

      81b10a53567aab61ee1ec54e0a11a1dabb99ca636c84d1842db847dc63b437c1b0feca337c848b04e1d5b9d222aad84a6386b848ec2467c07933a8ce85692c82

    • SSDEEP

      6144:fOpslFlq2hdBCkWYxuukP1pjSKSNVkq/MVJbz:fwsldTBd47GLRMTbz

    • CyberGate, Rebhip

      CyberGate is a lightweight remote administration tool with a wide array of functionalities.

    • Cybergate family

    • Adds policy Run key to start application

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target

      CyberGate v1.07.5/CyberGate v1.07.5/sqlite3.dll

    • Size

      171KB

    • MD5

      744dcc4cbbfbb18fe3878c4e769ec48f

    • SHA1

      c1f2c56ee2d91203a01d3465f185295477a1217d

    • SHA256

      33eb31a2a576e663474a895ff0190316c64a93d9ce05a55df0d53f9beeb61163

    • SHA512

      706630be2ca09e574a7794e32e515a0a3f993643d034647b8cb976c1e7045e87e30362757cc65fcdb95f4a4327f0dcda3edc82ba84e5ed9115870a037e13af21

    • SSDEEP

      3072:4yOtgCNPbAHuzueAlwsKmiiEHpmBt7tjBwHH1ELXvSsmB8teUOhKJz4ZKJNCT1xe:FOtRsOz2xKmGH8JBwn+2smB1Uf8Kurb

    Score
    5/10
    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target

      Dark Comet 5.3/Dark Comet/Celesty Binder/Celesty.exe

    • Size

      2.7MB

    • MD5

      c3009ee63bc661d9ea75eaeb256448ca

    • SHA1

      45eb01150756df432e25eed44d976442473356de

    • SHA256

      0bb88564a22bfd6d9ad6e4d8efa9077792a7b6094c2a0f865d70c43e11507352

    • SHA512

      96f5847fbeef95df1309e97a4bc3d786a5f5c19b87e804f12d88b4473a0b50291c40407a3d95a2d5d78031f03be76da47f1846a73c7802ddae46a38ac4634e67

    • SSDEEP

      49152:vOY/SiSf6KSIshmgTlxRQv9rn0KtX2pyJz0qGoy/:tKZshhYv9ptXZJe/

    Score
    3/10
    • Target

      Dark Comet 5.3/Dark Comet/DarkComet.exe

    • Size

      11.3MB

    • MD5

      d761f3aa64064a706a521ba14d0f8741

    • SHA1

      ab7382bcfdf494d0327fccce9c884592bcc1adeb

    • SHA256

      21ca06b18698d14154a45822aaae1e3837d168cc7630bcd3ec3d8c68aaa959e6

    • SHA512

      d2274c03f805a5cd62104492e154fc225c3f6997091accb2f4bff165308fc82ba0d9adf185ec744222bcb4ece08d1ba754a35a2d88c10c5743f4d2e66494377f

    • SSDEEP

      196608:TPvqxSrDTVokQwhM/kSEMTQINokXJw7lW740VeqQPR:LCxSrFokQw2NjUYuWU0t

    • Darkcomet

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

    • Darkcomet family

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Target

      Dark Comet 5.3/Dark Comet/Spoof extensions/Spoofer.exe

    • Size

      2.0MB

    • MD5

      894b256f41dc579a5b32828ed2f7e3db

    • SHA1

      06fa1a4dd30780e404c8f2e7a615fd54d6f2ae68

    • SHA256

      12dbd354b4cc073ea7f80cc0d74bd96118362e9c120df7800cf0f9e863569f98

    • SHA512

      bede5a2c6e87ac6d432903109cca97fcbf60fdba082ba137a04c6ca6490a548f20910b6560821816b76744235fa19f5fcbe256c1ad9b87c2c1b8b20e5c5ac409

    • SSDEEP

      24576:cuAzSWYlsCSe+I3n6HgjigeCNOu6kpBiSSgmq8uWYkzJy90qeHqywdbMQTTRwQ+0:KU1Zp6kpkSSgmSWJyqqe3wdbBTubz

    Score
    3/10
    • Target

      Dark Comet 5.3/Dark Comet/server.exe

    • Size

      658KB

    • MD5

      e7cf9689cad376e6e7268bf25a30b63a

    • SHA1

      ebfec08757cc240580cdf3e49d7e10844b4a26ca

    • SHA256

      01883999ea47a8fba7b188d36915d6514cf6299692684547f7b9820310bc5f72

    • SHA512

      37a1f48cf0adfdbd60eb4fc2664e05e9c95f3b069a21992efab4e8dc6ddd0e8c5e33ea5417817eb1e86bbcf6fd99ef67de220a553d1f55d7e7d519b09a87680a

    • SSDEEP

      12288:y9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/hU:eZ1xuVVjfFoynPaVBUR8f+kN10EBK

    • Darkcomet

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

    • Darkcomet family

    • Modifies WinLogon for persistence

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

    • Target

      Dark Comet 5.3/Dark Comet/sqlite3.dll

    • Size

      510KB

    • MD5

      d3979db259f55d59b4edb327673c1905

    • SHA1

      0697e8f35b5951c61a3a632d74fd96843c941628

    • SHA256

      043e5570299c6099756c1809c5632eabeab95ed3c1a55c86843c0ec218940e5a

    • SHA512

      0b87c89aafd3e627c7d6bed0b833601fea1917a76a972061f32a2d9e4aa2e9e85b5e8a67cb330ca44aff17915d0fe2793798451a109d3f0b5014eed06b73bb45

    • SSDEEP

      12288:eiTjR6kna/KzsHIoufPiL5JXjKaarzWovTSmja9q96fQkw8dw:em8NCzsooOPiXT6rSov2mjVw3w

    Score
    3/10

MITRE ATT&CK Enterprise v15

Tasks

static1

remoteupxguest16_mincybergatedarkcomet
Score
10/10

behavioral1

discovery
Score
5/10

behavioral2

discovery
Score
3/10

behavioral3

xtremeratdiscoverypersistenceratspywareupx
Score
10/10

behavioral4

xtremeratdiscoverypersistenceratspywareupx
Score
10/10

behavioral5

discovery
Score
3/10

behavioral6

discovery
Score
3/10

behavioral7

cybergateremotediscoverypersistencestealertrojanupx
Score
10/10

behavioral8

cybergateremotediscoverypersistencestealertrojanupx
Score
10/10

behavioral9

discoveryupx
Score
5/10

behavioral10

discoveryupx
Score
5/10

behavioral11

discovery
Score
3/10

behavioral12

discovery
Score
3/10

behavioral13

darkcometdiscoveryrattrojanupx
Score
10/10

behavioral14

darkcometdiscoveryrattrojanupx
Score
10/10

behavioral15

discovery
Score
3/10

behavioral16

discovery
Score
3/10

behavioral17

darkcometguest16_mindiscoverypersistencerattrojan
Score
10/10

behavioral18

darkcometguest16_mindiscoverypersistencerattrojan
Score
10/10

behavioral19

discovery
Score
3/10

behavioral20

discovery
Score
3/10