Analysis

  • max time kernel
    123s
  • max time network
    153s
  • platform
    windows10_x64
  • resource
    win10-en-20210920
  • submitted
    19-10-2021 10:00

General

  • Target

    transfer slip.exe

  • Size

    356KB

  • MD5

    95aabefa57e339745033c755da1e3a51

  • SHA1

    09e4c4b75467a4af21be516c1fddd77142f3a480

  • SHA256

    385aca8d45376ca052fc5da153a56ca36d4c3c676114179d79e4e681d2851ef6

  • SHA512

    04ec88477feedeb54417fa65d331700b97b709753accf0e0aa63826cd48976e8fb570a1f00cf0938f69ddd72b8a738e6f5a2821519a3448e82260adce74114be

Malware Config

Extracted

Family

warzonerat

C2

136.144.41.66:5200

Signatures

  • WarzoneRat, AveMaria

    WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

  • Loads dropped DLL 7 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 10 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\transfer slip.exe
    "C:\Users\Admin\AppData\Local\Temp\transfer slip.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1720
    • C:\Users\Admin\AppData\Local\Temp\transfer slip.exe
      "C:\Users\Admin\AppData\Local\Temp\transfer slip.exe"
      2⤵
      • Loads dropped DLL
      • Accesses Microsoft Outlook profiles
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:3852

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • \Users\Admin\AppData\Local\Temp\freebl3.dll
    MD5

    ef12ab9d0b231b8f898067b2114b1bc0

    SHA1

    6d90f27b2105945f9bb77039e8b892070a5f9442

    SHA256

    2b00fc4f541ac10c94e3556ff28e30a801811c36422546a546a445aca3f410f7

    SHA512

    2aa62bfba556ad8f042942dd25aa071ff6677c257904377c1ec956fd9e862abcbf379e0cfd8c630c303a32ece75618c24e3eef58bddb705c427985b944689193

  • \Users\Admin\AppData\Local\Temp\mozglue.dll
    MD5

    75f8cc548cabf0cc800c25047e4d3124

    SHA1

    602676768f9faecd35b48c38a0632781dfbde10c

    SHA256

    fb419a60305f17359e2ac0510233ee80e845885eee60607715c67dd88e501ef0

    SHA512

    ed831c9c769aef3be253c52542cf032afa0a8fa5fe25ca704db65ee6883c608220df7102ac2b99ee9c2e599a0f5db99fd86894a4b169e68440eb1b0d0012672f

  • \Users\Admin\AppData\Local\Temp\msvcp140.dll
    MD5

    109f0f02fd37c84bfc7508d4227d7ed5

    SHA1

    ef7420141bb15ac334d3964082361a460bfdb975

    SHA256

    334e69ac9367f708ce601a6f490ff227d6c20636da5222f148b25831d22e13d4

    SHA512

    46eb62b65817365c249b48863d894b4669e20fcb3992e747cd5c9fdd57968e1b2cf7418d1c9340a89865eadda362b8db51947eb4427412eb83b35994f932fd39

  • \Users\Admin\AppData\Local\Temp\nsfABC2.tmp\kluqzjx.dll
    MD5

    9fe2a4c17e4d387b21d3cc9e3c24cf31

    SHA1

    e3cfbe3bb202f4aac29c37ab199a590a7351e143

    SHA256

    9bd1e122ecfcebe0b2a7e4f6297c664afd34ab5ad68547b01a51b55ec016d9c8

    SHA512

    9c0e70095d697bdb4cf882d2e609ede9481e303579b33697e99c833b13db3bfa9ffd78e03be83f9720a1b6c300868c6c154a7696a4b2590ac38d10919387f860

  • \Users\Admin\AppData\Local\Temp\nss3.dll
    MD5

    d7858e8449004e21b01d468e9fd04b82

    SHA1

    9524352071ede21c167e7e4f106e9526dc23ef4e

    SHA256

    78758bf7f3b3b5e3477e38354acd32d787bc1286c8bd9b873471b9c195e638db

    SHA512

    1e2c981e6c0ca36c60c6e9cae9548b866d5c524df837095b30d618d9c322def7134c20de820105400dd1b58076b66d90274f67773ac6ba914f611b419babb440

  • \Users\Admin\AppData\Local\Temp\softokn3.dll
    MD5

    471c983513694ac3002590345f2be0da

    SHA1

    6612b9af4ff6830fa9b7d4193078434ef72f775b

    SHA256

    bb3ff746471116c6ad0339fa0522aa2a44a787e33a29c7b27649a054ecd4d00f

    SHA512

    a9b0fb923bc3b567e933de10b141a3e9213640e3d790b4c4d753cf220d55593ae8026102909969ba6bfc22da3b2fcd01e30a9f5a74bd14a0fdec9beaf0fb1410

  • \Users\Admin\AppData\Local\Temp\vcruntime140.dll
    MD5

    7587bf9cb4147022cd5681b015183046

    SHA1

    f2106306a8f6f0da5afb7fc765cfa0757ad5a628

    SHA256

    c40bb03199a2054dabfc7a8e01d6098e91de7193619effbd0f142a7bf031c14d

    SHA512

    0b63e4979846ceba1b1ed8470432ea6aa18cca66b5f5322d17b14bc0dfa4b2ee09ca300a016e16a01db5123e4e022820698f46d9bad1078bd24675b4b181e91f

  • memory/3852-116-0x0000000000000000-mapping.dmp
  • memory/3852-117-0x0000000000450000-0x00000000005AE000-memory.dmp
    Filesize

    1.4MB

  • memory/3852-121-0x0000000000450000-0x00000000005AE000-memory.dmp
    Filesize

    1.4MB

  • memory/3852-122-0x0000000003C20000-0x0000000003D5C000-memory.dmp
    Filesize

    1.2MB

  • memory/3852-126-0x00000000040C0000-0x0000000004144000-memory.dmp
    Filesize

    528KB