Analysis

  • max time kernel
    70s
  • max time network
    76s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2022 10:35

General

  • Target

    Launcher.exe

  • Size

    4.6MB

  • MD5

    4612516fca7a6fc9c393a76859d89539

  • SHA1

    4d854c616dca1833ee3bb64befb39676a4cd26c3

  • SHA256

    097c24ae162bd92ddfacc1276aada59fa7d058837c359a3f3a37f2ddc763e841

  • SHA512

    700125943a1e7fca1f161c869cf7553e4462bd770763ad49e3ef1591d77ee521ff635b721af241718413442a5ecf3972981579396fd52472e4a5ddcc89b3e290

Malware Config

Extracted

Family

redline

C2

62.204.41.141:24758

Attributes
  • auth_value

    2c7c599df95f4eb1a36237ba938268a0

Signatures

  • RedLine

    RedLine Stealer is a malware family written in C#, first appearing in early 2020.

  • RedLine payload 5 IoCs
  • YTStealer

    YTStealer is a malware designed to steal YouTube authentication cookies.

  • YTStealer payload 2 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 2 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 3 IoCs
  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Launcher.exe
    "C:\Users\Admin\AppData\Local\Temp\Launcher.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:900
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AppLaunch.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:161356
      • C:\Users\Admin\AppData\Local\Temp\baklan.exe
        "C:\Users\Admin\AppData\Local\Temp\baklan.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:161652
      • C:\Users\Admin\AppData\Local\Temp\start.exe
        "C:\Users\Admin\AppData\Local\Temp\start.exe"
        3⤵
        • Executes dropped EXE
        PID:161756

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\baklan.exe

    Filesize

    72KB

    MD5

    8cc3ff31023bde179e029bb3095bbf7f

    SHA1

    dff06fb929328dd6813c9b6d3714c08983fe4371

    SHA256

    8680278426baf3dbefe5340efdb6d2fc7291b9c3ceca27b62ead172df436c7b5

    SHA512

    310f269e376fbced37a92948afbc888b65623cb1120e94f5c0389e237f24a4a02931475606ff2add68ae3cf921dafde20bf002bcddd5e70d8ea687bb40be2118

  • C:\Users\Admin\AppData\Local\Temp\baklan.exe

    Filesize

    72KB

    MD5

    8cc3ff31023bde179e029bb3095bbf7f

    SHA1

    dff06fb929328dd6813c9b6d3714c08983fe4371

    SHA256

    8680278426baf3dbefe5340efdb6d2fc7291b9c3ceca27b62ead172df436c7b5

    SHA512

    310f269e376fbced37a92948afbc888b65623cb1120e94f5c0389e237f24a4a02931475606ff2add68ae3cf921dafde20bf002bcddd5e70d8ea687bb40be2118

  • C:\Users\Admin\AppData\Local\Temp\start.exe

    Filesize

    4.0MB

    MD5

    47b29465bb5fcbbd899f1d98af193f06

    SHA1

    ddd7c01b07939751f734c1e9b7aa17853447e02c

    SHA256

    a54ac89930406913a3b0b3b8e3ef738135a9b7fa54b01578f870e26ee9f99efb

    SHA512

    838a170802283f318712195402dc26dc601d2f81d3dae1f32309e532af732808c1a8b03c80f7dcf99b2ae94276678bb4211a44ebe889335da34a6083c4bd31f8

  • \Users\Admin\AppData\Local\Temp\baklan.exe

    Filesize

    72KB

    MD5

    8cc3ff31023bde179e029bb3095bbf7f

    SHA1

    dff06fb929328dd6813c9b6d3714c08983fe4371

    SHA256

    8680278426baf3dbefe5340efdb6d2fc7291b9c3ceca27b62ead172df436c7b5

    SHA512

    310f269e376fbced37a92948afbc888b65623cb1120e94f5c0389e237f24a4a02931475606ff2add68ae3cf921dafde20bf002bcddd5e70d8ea687bb40be2118

  • \Users\Admin\AppData\Local\Temp\start.exe

    Filesize

    4.0MB

    MD5

    47b29465bb5fcbbd899f1d98af193f06

    SHA1

    ddd7c01b07939751f734c1e9b7aa17853447e02c

    SHA256

    a54ac89930406913a3b0b3b8e3ef738135a9b7fa54b01578f870e26ee9f99efb

    SHA512

    838a170802283f318712195402dc26dc601d2f81d3dae1f32309e532af732808c1a8b03c80f7dcf99b2ae94276678bb4211a44ebe889335da34a6083c4bd31f8

  • \Users\Admin\AppData\Local\Temp\start.exe

    Filesize

    4.0MB

    MD5

    47b29465bb5fcbbd899f1d98af193f06

    SHA1

    ddd7c01b07939751f734c1e9b7aa17853447e02c

    SHA256

    a54ac89930406913a3b0b3b8e3ef738135a9b7fa54b01578f870e26ee9f99efb

    SHA512

    838a170802283f318712195402dc26dc601d2f81d3dae1f32309e532af732808c1a8b03c80f7dcf99b2ae94276678bb4211a44ebe889335da34a6083c4bd31f8

  • memory/900-70-0x0000000000400000-0x00000000009F9000-memory.dmp

    Filesize

    6.0MB

  • memory/900-54-0x0000000000400000-0x00000000009F9000-memory.dmp

    Filesize

    6.0MB

  • memory/900-57-0x0000000002630000-0x0000000002A9D000-memory.dmp

    Filesize

    4.4MB

  • memory/900-56-0x0000000000400000-0x00000000009F9000-memory.dmp

    Filesize

    6.0MB

  • memory/900-55-0x0000000076121000-0x0000000076123000-memory.dmp

    Filesize

    8KB

  • memory/900-71-0x0000000002630000-0x0000000002A9D000-memory.dmp

    Filesize

    4.4MB

  • memory/900-58-0x0000000000380000-0x0000000000384000-memory.dmp

    Filesize

    16KB

  • memory/161356-84-0x00000000078C0000-0x00000000086D2000-memory.dmp

    Filesize

    14.1MB

  • memory/161356-66-0x000000000041B53E-mapping.dmp

  • memory/161356-61-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/161356-59-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/161356-83-0x00000000078C0000-0x00000000086D2000-memory.dmp

    Filesize

    14.1MB

  • memory/161356-68-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/161356-67-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

  • memory/161652-73-0x0000000000000000-mapping.dmp

  • memory/161652-78-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/161652-77-0x0000000001280000-0x0000000001298000-memory.dmp

    Filesize

    96KB

  • memory/161756-86-0x0000000000950000-0x0000000001762000-memory.dmp

    Filesize

    14.1MB

  • memory/161756-81-0x0000000000000000-mapping.dmp

  • memory/161756-85-0x0000000000950000-0x0000000001762000-memory.dmp

    Filesize

    14.1MB