Analysis

  • max time kernel
    135s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7v20210408
  • submitted
    15-04-2021 05:45

General

  • Target

    perchase order.pdf.exe

  • Size

    857KB

  • MD5

    26be3a515c42d2bc57e190143fe239f2

  • SHA1

    2049d1c5d7e389f134ce94dc7e3d64cb86a9ff6c

  • SHA256

    5e2d71b05993c4b8e96fec7d0587625bcd45168d1c2deda8be007d7b18da8927

  • SHA512

    422d051609b1659be0bffa0dbcaefbed967b3ae6f7870ab241264801dd32b5a46b2044ce5a0b95a802bd8ae9e63fe644cbd1aa8d2460b7a780ad6f15e5cdeed5

Malware Config

Extracted

Family

warzonerat

C2

79.134.225.102:1414

Signatures

  • WarzoneRat, AveMaria

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

  • Warzone RAT Payload 3 IoCs
  • Loads dropped DLL 6 IoCs
  • Reads user/profile data of web browsers 2 TTPs

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

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Creates scheduled task(s) 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe
    "C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1920
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\WSceckXFjzlW" /XML "C:\Users\Admin\AppData\Local\Temp\tmp34B.tmp"
      2⤵
      • Creates scheduled task(s)
      PID:520
    • C:\Users\Admin\AppData\Local\Temp\perchase order.pdf.exe
      "{path}"
      2⤵
      • Loads dropped DLL
      PID:948

Network

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

1
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp34B.tmp
    MD5

    a6ba1c6f27e00e130c57ec62e5340825

    SHA1

    08111d5467cfa8b4658494f134599370005cecde

    SHA256

    f7c02107538b543c10838e1ca5bbf843da34e856b771596b377463946d07cdba

    SHA512

    c9e0d62489ae7749ee4a6a54c238f8b0c47da2d0a4005772e6596243122144fada419e404407c90dd8642e743ef3162c25ff60bb6cae5908bef01fea037361a5

  • \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\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/520-67-0x0000000000000000-mapping.dmp
  • memory/948-73-0x0000000003AD0000-0x0000000003B54000-memory.dmp
    Filesize

    528KB

  • memory/948-70-0x0000000000405CE2-mapping.dmp
  • memory/948-71-0x0000000076691000-0x0000000076693000-memory.dmp
    Filesize

    8KB

  • memory/948-72-0x0000000000400000-0x0000000000554000-memory.dmp
    Filesize

    1.3MB

  • memory/948-69-0x0000000000400000-0x0000000000554000-memory.dmp
    Filesize

    1.3MB

  • memory/1920-60-0x0000000000C10000-0x0000000000C11000-memory.dmp
    Filesize

    4KB

  • memory/1920-66-0x0000000005CE0000-0x0000000005D3A000-memory.dmp
    Filesize

    360KB

  • memory/1920-65-0x0000000005C30000-0x0000000005CD6000-memory.dmp
    Filesize

    664KB

  • memory/1920-64-0x00000000003D0000-0x00000000003D5000-memory.dmp
    Filesize

    20KB

  • memory/1920-63-0x0000000004AC0000-0x0000000004AC1000-memory.dmp
    Filesize

    4KB

  • memory/1920-62-0x00000000007B0000-0x000000000084A000-memory.dmp
    Filesize

    616KB