General

  • Target

    Hotmail checker.rar

  • Size

    587KB

  • Sample

    240527-p382mseb85

  • MD5

    09958c59cc6e2150b9e9dff66cea430f

  • SHA1

    6428868d876798d8a771f8ff646c25de939a7b79

  • SHA256

    04769a8d5fa808e222187311d377b7033ff366494a7aaaf8044329d22b289175

  • SHA512

    78b493638ac61c51721d0cdc7426188e65eeb0f65c1ad6377be78466f5d7960630b4601adec8a41aa740df5e0541b6e3987c9ce34e8c40f8b5ceb556b7192b4c

  • SSDEEP

    12288:psW9I5QGMHa5MmMoOI5iaKiGYjDRmbQyNx03YEYq7X8B:p8eGqm5OyiHiGxxBB

Malware Config

Extracted

Family

asyncrat

Botnet

Default

C2

127.0.0.1:6606

127.0.0.1:7707

127.0.0.1:8808

https://api.telegram.org/bot6003478563:AAG3aliPXpD1ZldBFn1R2thp1ARU2PprMtU/sendMessage?chat_id=6052812018

Mutex

AsyncMutex_6SI8OkPnk

Attributes
  • delay

    3

  • install

    false

  • install_folder

    %AppData%

aes.plain

Targets

    • Target

      Hotmail checker/Colorful.Console.dll

    • Size

      88KB

    • MD5

      9f6ce7ff934fb2e786ced3516705efad

    • SHA1

      6e7bcc7b8a5d0e2e46c15a8e0f0c76129d170b61

    • SHA256

      59a3696950ac3525e31cdd26727dabd9fecd2e1bdc1c47c370d4b04420592436

    • SHA512

      d61674649fa9a091aa379fe1c227e42eb6cfd3226ad1e26ef089b747fce98b96f4eb78d736c24d6f5f60c4980bb1043ec0f1ef0d69f126870448129a47e22578

    • SSDEEP

      1536:dJ1J4aE966w/2DtgNpWFbCagAHM9uTC/bR:dC796R/ObCagAs9uTgV

    Score
    1/10
    • Target

      Hotmail checker/Hotmal new checker.exe

    • Size

      1.1MB

    • MD5

      ce94631ddcb5fc30c305ce32e49a05a5

    • SHA1

      f0b656e3a2042d5a58b821962e2b8f0f10fa1ec4

    • SHA256

      900db12322da42a224e4df96487ca1446d456d72580976a5f102e430ecb16ddd

    • SHA512

      966497e841950ca55677f24570b331ba2638e34249edd6385b2332c453166315f5d72467bb83a246124dbeb2bcfb0c4044b22e98b44be4b6181c7a3e8ef8f891

    • SSDEEP

      6144:aSncRlHDubaBBOBIIj6HLLYLCYJqvc1D60Xbywj/c9aqX9bxD/e00sNjT6lmRkss:34kbaNEc9a2/d0Oylmq

    • AsyncRat

      AsyncRAT is designed to remotely monitor and control other computers written in C#.

    • StormKitty

      StormKitty is an open source info stealer written in C#.

    • StormKitty payload

    • Async RAT payload

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Drops desktop.ini file(s)

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Looks up geolocation information via web service

      Uses a legitimate geolocation service to find the infected system's geolocation info.

    • Target

      Hotmail checker/Leaf.xNet.dll

    • Size

      129KB

    • MD5

      ea87f37e78fb9af4bf805f6e958f68f4

    • SHA1

      89662fed195d7b9d65ab7ba8605a3cd953f2b06a

    • SHA256

      de9aea105f31f3541cbc5c460b0160d0689a2872d80748ca1456e6e223f0a4aa

    • SHA512

      c56bd03142258c6dcb712d1352d2548a055fbb726ee200949d847cb2d23d9c52442b1435be0df0bf355701a2c1a3c47cd05b96972501f457d2d401501d33d83a

    • SSDEEP

      3072:gE3OJDHIfFLlL3pPiqhcLS/oZhttaMBM2cid:gHWZxJiqO

    Score
    1/10
    • Target

      Hotmail checker/Newtonsoft.Json.dll

    • Size

      685KB

    • MD5

      081d9558bbb7adce142da153b2d5577a

    • SHA1

      7d0ad03fbda1c24f883116b940717e596073ae96

    • SHA256

      b624949df8b0e3a6153fdfb730a7c6f4990b6592ee0d922e1788433d276610f3

    • SHA512

      2fdf035661f349206f58ea1feed8805b7f9517a21f9c113e7301c69de160f184c774350a12a710046e3ff6baa37345d319b6f47fd24fbba4e042d54014bee511

    • SSDEEP

      12288:U9BzaPm657wqehcZBLX+HK+kPJUQEKx07N0TCBGiBCjC0PDgM5j9FKjc3Q5:U8m657w6ZBLmkitKqBCjC0PDgM5A5

    Score
    1/10
    • Target

      Hotmail checker/xNet.dll

    • Size

      101KB

    • MD5

      693581cced4345f17781e0e69d9a730a

    • SHA1

      c7daf61527086ecff5e1a1b9a5e1a3f701501d54

    • SHA256

      52567b98a436f0a162ad631f1798be0d45222a0e6f80c54410e2bd3c2fb21bb3

    • SHA512

      359103f66942f75192b625db314359a9752096521751d5f2eb05c3b32079a92a629ccebc785e9d5b53f825baba1b109ee6bc3a4f41345e24becd0c367dd879bd

    • SSDEEP

      3072:MWVymHfHrBxNZvqxGWQEOcEzY3wihe0Y7UTryqnV+xnEdd:MWVL/NyGWQEOcLyqnV+xnEd

    Score
    1/10

MITRE ATT&CK Enterprise v15

Tasks