Analysis

  • max time kernel
    131s
  • max time network
    125s
  • platform
    windows7_x64
  • resource
    win7-20230220-en
  • resource tags

    arch:x64arch:x86image:win7-20230220-enlocale:en-usos:windows7-x64system
  • submitted
    19-03-2023 17:59

General

  • Target

    61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe

  • Size

    296KB

  • MD5

    7b4a2a3b79f2550149cda6141c9fcbba

  • SHA1

    ce4641a31e538ea05a53574de2c12d5ab2cf580d

  • SHA256

    61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd

  • SHA512

    9bc54e51bc6ac30b257ed0ca8820e12adb7abe3c88c958990bb702bbbb2694690e67757af3546e6f0c358bbf5784fc45b6a3f149aa2f3d1b7a6119aeaeefbaf3

  • SSDEEP

    6144:GcwSLJmySBx5DhTkxjgN1pOnaloCtDnu:jwSFmykPFgxjgNIqnu

Malware Config

Extracted

Family

laplas

C2

http://45.87.154.105

Attributes
  • api_key

    1c630872d348a77d04368d542fde4663bc2bcb96f1b909554db3472c08df2767

Signatures

  • Laplas Clipper

    Laplas is a crypto wallet stealer with three variants written in Golang, C#, and C++.

  • Downloads MZ/PE file
  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 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.

  • Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • 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). Likely ransomware behaviour.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe
    "C:\Users\Admin\AppData\Local\Temp\61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe"
    1⤵
    • Loads dropped DLL
    • Checks processor information in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1240
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c start "" "C:\Users\Admin\AppData\Local\Temp\FIJKEHJJDA.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Users\Admin\AppData\Local\Temp\FIJKEHJJDA.exe
        "C:\Users\Admin\AppData\Local\Temp\FIJKEHJJDA.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Suspicious use of WriteProcessMemory
        PID:1340
        • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
          C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe
          4⤵
          • Executes dropped EXE
          PID:1916
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c timeout /t 5 & del /f /q "C:\Users\Admin\AppData\Local\Temp\61574da5a4ce85b7e4ab4456a7cc4410c281a1fa6e4144b8be7f6d0b7679fbcd.exe" & del "C:\ProgramData\*.dll"" & exit
      2⤵
      • Deletes itself
      • Suspicious use of WriteProcessMemory
      PID:1436
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 5
        3⤵
        • Delays execution with timeout.exe
        PID:316

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    1.9MB

    MD5

    43c579b61538e72afa5307046c2f110d

    SHA1

    b8c34206cec5c7993ec20c4bf6ce78c024179137

    SHA256

    76cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc

    SHA512

    3b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52

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

    Filesize

    1.9MB

    MD5

    43c579b61538e72afa5307046c2f110d

    SHA1

    b8c34206cec5c7993ec20c4bf6ce78c024179137

    SHA256

    76cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc

    SHA512

    3b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52

  • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

    Filesize

    130.9MB

    MD5

    5c63ed04cc197c83e8d04b6222bb4452

    SHA1

    f072b6f127a756b7a1289693605d7207d5bbc1e9

    SHA256

    b55052a00b639692c6cc19633cebb7a067411c2f952ccac6e4fe0494bac34d35

    SHA512

    4004efb70de4076aa23861e8d89c8451cb869199a597f94a34dd5d2722e7e44c511f750bb7f2ff6863eccc2a9bcebc910777971e4d8ee70865d77f976dbd1d48

  • C:\Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

    Filesize

    132.6MB

    MD5

    0f4426c5c337b29aa7abd84a0518d706

    SHA1

    2bedc2e5156e8ee265f05fa1213b7ac18d576b12

    SHA256

    99b366f545014552e9a6af8705c2c056c6bc4f5d9fc0da12da83ba1d49ee5261

    SHA512

    0eb8dbb0c69a029621ece06273535aa898e0fc56b525e99133a70e894b7122ddcb6e8c22a63f0a93da164f79dd87ca86f921af2bcd37909b0fc85c609fa8e050

  • \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\FIJKEHJJDA.exe

    Filesize

    1.9MB

    MD5

    43c579b61538e72afa5307046c2f110d

    SHA1

    b8c34206cec5c7993ec20c4bf6ce78c024179137

    SHA256

    76cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc

    SHA512

    3b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52

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

    Filesize

    1.9MB

    MD5

    43c579b61538e72afa5307046c2f110d

    SHA1

    b8c34206cec5c7993ec20c4bf6ce78c024179137

    SHA256

    76cc8757ee316be0f5df4dc50c3a037c80c973010bf14865530c6565ed9dd6cc

    SHA512

    3b4dfeea0d5c44bb419eba2a063d4ecee83862b2a06aae446b7a591c60bce93dfcd58c382a72d597a302ea12be3efa6711fb9791b34c85faed5867c3bef59d52

  • \Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

    Filesize

    132.3MB

    MD5

    d4f28c9d653746a817319438bd41dfa3

    SHA1

    ee41f15cdfa0af863fa70a3668e42329e7f8d3e7

    SHA256

    db5e655526ce1e0714cbb02bb93c23848da7d21f740c761ad457dcb34da599b1

    SHA512

    5f211c4583fef2b3da0c0b8de3b958d05ee9ffbe19e4d5837d6d2e1d88ed4ab193aa9f6a67810b2e8f684137d07a2d04c962cc647781d8ff3f38d2cec38f1b4e

  • \Users\Admin\AppData\Roaming\NTSystem\ntlhost.exe

    Filesize

    133.5MB

    MD5

    11ee16e86fe4828bc80a666c2adf2565

    SHA1

    655773325799e67ba4b62da4be953dd11f3c2753

    SHA256

    f78d1470d9a056ff5507455a97690ad2b582e57d8a081dbc79f88ecb74bc1d46

    SHA512

    e49fe3758d6cc68f7d4b33d279ccb680de966700e556f3d6ea592ba70a96703b67fd459639704d565771a2af67b8b8c5b292dbc37b6a3bfac5eee70833019421

  • memory/1240-118-0x0000000000400000-0x0000000002AFA000-memory.dmp

    Filesize

    39.0MB

  • memory/1240-55-0x00000000002C0000-0x00000000002D5000-memory.dmp

    Filesize

    84KB

  • memory/1240-56-0x0000000061E00000-0x0000000061EF3000-memory.dmp

    Filesize

    972KB

  • memory/1340-124-0x0000000004880000-0x0000000004C50000-memory.dmp

    Filesize

    3.8MB

  • memory/1340-123-0x00000000046D0000-0x000000000487A000-memory.dmp

    Filesize

    1.7MB

  • memory/1340-134-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-133-0x00000000046B0000-0x000000000485A000-memory.dmp

    Filesize

    1.7MB

  • memory/1916-135-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-136-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-137-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-140-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-141-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-142-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-143-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-144-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-145-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-146-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB

  • memory/1916-147-0x0000000000400000-0x0000000002C8E000-memory.dmp

    Filesize

    40.6MB