Analysis

  • max time kernel
    118s
  • max time network
    136s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    07-05-2024 01:47

General

  • Target

    d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe

  • Size

    416KB

  • MD5

    0251b972016cb69c049602a3d2aa3ff7

  • SHA1

    24847d133682d9d820dc8163019359927b6d71c2

  • SHA256

    d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03

  • SHA512

    523e359293557144d8c4dc09a6196e4eae5cfa9d11bd8d1353ca8dc347415f019436505fb72e0a5f0332e3ea24fcb97440fce1f64ea0d7ab868d6fd81eb9f77d

  • SSDEEP

    6144:EkIIKkd5F7LcRmt5tuGEBQ4ZHXbA/3TntkIKcqFWWgfLR8tai6:E3DkzF7gmt5tuPBQ6LO3btbKnuLWtf6

Malware Config

Extracted

Family

stealc

C2

http://185.172.128.150

Attributes
  • url_path

    /c698e1bc8a2f5e6d.php

Signatures

  • Detect ZGRat V1 3 IoCs
  • Stealc

    Stealc is an infostealer written in C++.

  • ZGRat

    ZGRat is remote access trojan written in C#.

  • Detect binaries embedding considerable number of MFA browser extension IDs. 2 IoCs
  • Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs. 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
  • Detects encrypted or obfuscated .NET executables 1 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 10 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 3 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 2 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 7 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe
    "C:\Users\Admin\AppData\Local\Temp\d7a29a6c822d5ac4f4faef4105aa50a563832decca35cfab3c24cb1b389b7f03.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1032
    • C:\Users\Admin\AppData\Local\Temp\uso.0.exe
      "C:\Users\Admin\AppData\Local\Temp\uso.0.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Checks processor information in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1988
    • C:\Users\Admin\AppData\Local\Temp\uso.1.exe
      "C:\Users\Admin\AppData\Local\Temp\uso.1.exe"
      2⤵
      • Executes dropped EXE
      • Checks SCSI registry key(s)
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of WriteProcessMemory
      PID:2824
      • C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe
        "C:\Users\Admin\AppData\Local\Temp\iolo\dm\SystemMechanic_5488CB36-BE62-4606-B07B-2EE938868BD1.exe" /eieci=11A12794-499E-4FA0-A281-A9A9AA8B2685 /eipi=5488CB36-BE62-4606-B07B-2EE938868BD1
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:1684

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Microsoft\ApplicationInsights\f40fa09571ae3e4604ca1ef5093c12d04345052412cd199086553bfab6d3b7c7\7c6339f462b54fe39fb4edd2aeebe32b.tmp

    Filesize

    1KB

    MD5

    6647e04756390c5f73e449a5e3611901

    SHA1

    f454b86bbcd0cf6b8cac04e6787b37b7c1584f59

    SHA256

    1e32189a494da58253a8e380c6931c8aaa29789ad63a4fc8fceb11c3e31d6a13

    SHA512

    c21ebfd465b735575dd271e65cb4a809c584dd03cd911712847fa7a81abeba543dbdf761f8cc9f04bde0090461c3ed9c139ed0e1488ee4275c7823a0c8680139

  • C:\Users\Admin\AppData\Local\Temp\iolo\dm\ioloDMLog.txt

    Filesize

    2KB

    MD5

    5cd4972d36abebfb9a867bc0be97b93f

    SHA1

    cad052df5c2aad07a239331346b18c3d710c1b47

    SHA256

    5cc80fdddc9b83d627e5fdf17056a99ec183601460ad91e10180d75960d90923

    SHA512

    c2572fab2331b2beebfbbb25f15741da9698c94e67840cf336c2397949870b9cc2dbc1e171fa63b7b4d3ab1cde194ba86e91d7ba536e41c1f2f43507b9b80f0d

  • \ProgramData\mozglue.dll

    Filesize

    593KB

    MD5

    c8fd9be83bc728cc04beffafc2907fe9

    SHA1

    95ab9f701e0024cedfbd312bcfe4e726744c4f2e

    SHA256

    ba06a6ee0b15f5be5c4e67782eec8b521e36c107a329093ec400fe0404eb196a

    SHA512

    fbb446f4a27ef510e616caad52945d6c9cc1fd063812c41947e579ec2b54df57c6dc46237ded80fca5847f38cbe1747a6c66a13e2c8c19c664a72be35eb8b040

  • \ProgramData\nss3.dll

    Filesize

    2.0MB

    MD5

    1cc453cdf74f31e4d913ff9c10acdde2

    SHA1

    6e85eae544d6e965f15fa5c39700fa7202f3aafe

    SHA256

    ac5c92fe6c51cfa742e475215b83b3e11a4379820043263bf50d4068686c6fa5

    SHA512

    dd9ff4e06b00dc831439bab11c10e9b2ae864ea6e780d3835ea7468818f35439f352ef137da111efcdf2bb6465f6ca486719451bf6cf32c6a4420a56b1d64571

  • \Users\Admin\AppData\Local\Temp\uso.0.exe

    Filesize

    230KB

    MD5

    2c1f5406f854370921a90cc0f3f11145

    SHA1

    6969f52309b66f6a09f08c0e67db4956df150346

    SHA256

    79678293aad51fc96c947e496351048672ece528457daab0cfc93b35c16d1ab9

    SHA512

    6104eaa7a60a29b5962b3cff8cde7b7c237ced82f11a7c581df30725d1d5aec187b30ebbe7d6d61f45964cf4f70ea605c9b20c504e5dddc2451f440ecb50e2ac

  • \Users\Admin\AppData\Local\Temp\uso.1.exe

    Filesize

    4.6MB

    MD5

    397926927bca55be4a77839b1c44de6e

    SHA1

    e10f3434ef3021c399dbba047832f02b3c898dbd

    SHA256

    4f07e1095cc915b2d46eb149d1c3be14f3f4b4bd2742517265947fd23bdca5a7

    SHA512

    cf54136b977fc8af7e8746d78676d0d464362a8cfa2213e392487003b5034562ee802e6911760b98a847bddd36ad664f32d849af84d7e208d4648bd97a2fa954

  • memory/1032-3-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/1032-2-0x00000000031C0000-0x000000000322C000-memory.dmp

    Filesize

    432KB

  • memory/1032-1-0x0000000000280000-0x0000000000380000-memory.dmp

    Filesize

    1024KB

  • memory/1032-93-0x0000000000400000-0x000000000046F000-memory.dmp

    Filesize

    444KB

  • memory/1032-92-0x0000000000280000-0x0000000000380000-memory.dmp

    Filesize

    1024KB

  • memory/1032-91-0x0000000000400000-0x0000000001A32000-memory.dmp

    Filesize

    22.2MB

  • memory/1684-133-0x0000000000BC0000-0x0000000000BCC000-memory.dmp

    Filesize

    48KB

  • memory/1684-140-0x0000000000600000-0x000000000060A000-memory.dmp

    Filesize

    40KB

  • memory/1684-130-0x00000000012F0000-0x0000000004B24000-memory.dmp

    Filesize

    56.2MB

  • memory/1684-131-0x000000001EEF0000-0x000000001EFFA000-memory.dmp

    Filesize

    1.0MB

  • memory/1684-164-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/1684-132-0x0000000000570000-0x0000000000580000-memory.dmp

    Filesize

    64KB

  • memory/1684-134-0x0000000000630000-0x0000000000644000-memory.dmp

    Filesize

    80KB

  • memory/1684-135-0x00000000012D0000-0x00000000012F4000-memory.dmp

    Filesize

    144KB

  • memory/1684-138-0x000000001ED30000-0x000000001ED5A000-memory.dmp

    Filesize

    168KB

  • memory/1684-139-0x000000001F3D0000-0x000000001F482000-memory.dmp

    Filesize

    712KB

  • memory/1684-137-0x000000001E800000-0x000000001E80A000-memory.dmp

    Filesize

    40KB

  • memory/1684-165-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/1684-144-0x000000001FC20000-0x000000001FF20000-memory.dmp

    Filesize

    3.0MB

  • memory/1684-148-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/1684-147-0x0000000000620000-0x000000000062A000-memory.dmp

    Filesize

    40KB

  • memory/1684-149-0x00000000012A0000-0x00000000012AA000-memory.dmp

    Filesize

    40KB

  • memory/1684-150-0x000000001E730000-0x000000001E792000-memory.dmp

    Filesize

    392KB

  • memory/1684-151-0x00000000012B0000-0x00000000012D2000-memory.dmp

    Filesize

    136KB

  • memory/1684-154-0x000000001E790000-0x000000001E79C000-memory.dmp

    Filesize

    48KB

  • memory/1988-160-0x0000000000400000-0x0000000001A04000-memory.dmp

    Filesize

    22.0MB

  • memory/1988-117-0x0000000000400000-0x0000000001A04000-memory.dmp

    Filesize

    22.0MB

  • memory/1988-20-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/2824-129-0x0000000000400000-0x00000000008AD000-memory.dmp

    Filesize

    4.7MB