Analysis

  • max time kernel
    90s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-11-2022 09:57

General

  • Target

    63ebddabe6655046f8d2ec3f7c23e9d9878b8d06f1dfe0f3f72400da3a8058c4.exe

  • Size

    358KB

  • MD5

    7688549dad99807aadaad6a68a536e23

  • SHA1

    0f2aa7e3e15f3c8929d643312163db9f590cd499

  • SHA256

    63ebddabe6655046f8d2ec3f7c23e9d9878b8d06f1dfe0f3f72400da3a8058c4

  • SHA512

    5e93c1e43111fcb94adad56befbf4056ccd3b524dc0739a9a18b1c526e0d2823a4b378b917cd0dd07ef5cd35052bdb41b1b51bfdc28b6f3ce25b6fef4d1ad983

  • SSDEEP

    6144:h1pkBq76aOP1esHTKai67o9gftTwHRAzITo7qPbLnf3RutqnyeCRuz5Lkgte5OTc:hr76aUe0txE+xwOtqvnf3RPnyhRuzVXQ

Malware Config

Signatures

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 5 IoCs
  • Executes dropped EXE 4 IoCs
  • UPX packed file 3 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\63ebddabe6655046f8d2ec3f7c23e9d9878b8d06f1dfe0f3f72400da3a8058c4.exe
    "C:\Users\Admin\AppData\Local\Temp\63ebddabe6655046f8d2ec3f7c23e9d9878b8d06f1dfe0f3f72400da3a8058c4.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3436
    • C:\Users\Admin\AppData\Local\Temp\mpv.exe
      C:\Users\Admin\AppData\Local\Temp\mpv.exe /stext C:\Users\Admin\AppData\Local\Temp\mpvp.txt
      2⤵
      • Executes dropped EXE
      • Accesses Microsoft Outlook accounts
      PID:4864
    • C:\Users\Admin\AppData\Local\Temp\WBP.exe
      C:\Users\Admin\AppData\Local\Temp\WBP.exe /stext C:\Users\Admin\AppData\Local\Temp\WBVP.txt
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      PID:4144
    • C:\Users\Admin\AppData\Local\Temp\mespv.exe
      C:\Users\Admin\AppData\Local\Temp\mespv.exe /stext C:\Users\Admin\AppData\Local\Temp\mespvp.txt
      2⤵
      • Executes dropped EXE
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1152
    • C:\Users\Admin\AppData\Local\Temp\pv.exe
      C:\Users\Admin\AppData\Local\Temp\pv.exe /stext C:\Users\Admin\AppData\Local\Temp\pvp.txt
      2⤵
      • Executes dropped EXE
      PID:544

Network

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

1
T1081

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\WBP.exe
    Filesize

    183KB

    MD5

    6d95f03eaf83b31686f263260202ee36

    SHA1

    6633ac9d7790031b49bb2a4170ec77591d94bb58

    SHA256

    29f2a54c829c37fc904a2b682c50b57d6d35e9af5dc7f43d72b68c8c51255103

    SHA512

    a8dda5f3c9e493f9f0e17bfee40a73f74ac6c4276b22589ec9bb163a91f941d966e4ce3b0866be7488fddd229156d73017fb8b22fc3b90903591fef2045c2b46

  • C:\Users\Admin\AppData\Local\Temp\WBP.exe
    Filesize

    183KB

    MD5

    6d95f03eaf83b31686f263260202ee36

    SHA1

    6633ac9d7790031b49bb2a4170ec77591d94bb58

    SHA256

    29f2a54c829c37fc904a2b682c50b57d6d35e9af5dc7f43d72b68c8c51255103

    SHA512

    a8dda5f3c9e493f9f0e17bfee40a73f74ac6c4276b22589ec9bb163a91f941d966e4ce3b0866be7488fddd229156d73017fb8b22fc3b90903591fef2045c2b46

  • C:\Users\Admin\AppData\Local\Temp\WBVP.txt
    Filesize

    3KB

    MD5

    f94dc819ca773f1e3cb27abbc9e7fa27

    SHA1

    9a7700efadc5ea09ab288544ef1e3cd876255086

    SHA256

    a3377ade83786c2bdff5db19ff4dbfd796da4312402b5e77c4c63e38cc6eff92

    SHA512

    72a2c10d7a53a7f9a319dab66d77ed65639e9aa885b551e0055fc7eaf6ef33bbf109205b42ae11555a0f292563914bc6edb63b310c6f9bda9564095f77ab9196

  • C:\Users\Admin\AppData\Local\Temp\mespv.exe
    Filesize

    65KB

    MD5

    ffc52f2b4435fcddaca6e15489a88b75

    SHA1

    63ec31a04cf176852344d544ae855da0dac64980

    SHA256

    3f3c8484962b395f304a836ee5e8ee17beaafe982795c9747d8ee98cc6e4ca8f

    SHA512

    389694feccfe6ca352705b9481913fece6d1d47083f235ccdd60c05cfda82606be53845fde0dba8ec3f3748f820a828c9be0ce078c8b9cc853285b23f172841c

  • C:\Users\Admin\AppData\Local\Temp\mespv.exe
    Filesize

    65KB

    MD5

    ffc52f2b4435fcddaca6e15489a88b75

    SHA1

    63ec31a04cf176852344d544ae855da0dac64980

    SHA256

    3f3c8484962b395f304a836ee5e8ee17beaafe982795c9747d8ee98cc6e4ca8f

    SHA512

    389694feccfe6ca352705b9481913fece6d1d47083f235ccdd60c05cfda82606be53845fde0dba8ec3f3748f820a828c9be0ce078c8b9cc853285b23f172841c

  • C:\Users\Admin\AppData\Local\Temp\mpv.exe
    Filesize

    50KB

    MD5

    a138fca70622323e45d6018125322051

    SHA1

    b91f8e20569fecabed22e48da5ec626758563488

    SHA256

    677d333648aba8e2538cbbb9fdd8a32901c67a5e10c8f951970313499304783a

    SHA512

    b89f1d513608f5b0f8022a8d983cdfec0064ecd5e8479125b40477738fc0f5e2b1aa77868333fd783cd5cd2233e0f018d16d8865650071b1a371d375c22a54ee

  • C:\Users\Admin\AppData\Local\Temp\mpv.exe
    Filesize

    50KB

    MD5

    a138fca70622323e45d6018125322051

    SHA1

    b91f8e20569fecabed22e48da5ec626758563488

    SHA256

    677d333648aba8e2538cbbb9fdd8a32901c67a5e10c8f951970313499304783a

    SHA512

    b89f1d513608f5b0f8022a8d983cdfec0064ecd5e8479125b40477738fc0f5e2b1aa77868333fd783cd5cd2233e0f018d16d8865650071b1a371d375c22a54ee

  • C:\Users\Admin\AppData\Local\Temp\pv.exe
    Filesize

    38KB

    MD5

    afe3aeeffaa1e1772a926ca45923f33f

    SHA1

    f20104fa1f75f341818751b5164b5c2b24d2dd9e

    SHA256

    6cbc1d59fdba6445b8e7243a08bd64816f01fcf6ce7f68570d9170e13c8810a7

    SHA512

    083732db58970d192b98c4298444b8eba2ecae5fa982b3d9505cfa17bce920106281f66df507e6e211d969a6c553d212e50dcdcfeab4b900301d01c442a0de91

  • C:\Users\Admin\AppData\Local\Temp\pv.exe
    Filesize

    38KB

    MD5

    afe3aeeffaa1e1772a926ca45923f33f

    SHA1

    f20104fa1f75f341818751b5164b5c2b24d2dd9e

    SHA256

    6cbc1d59fdba6445b8e7243a08bd64816f01fcf6ce7f68570d9170e13c8810a7

    SHA512

    083732db58970d192b98c4298444b8eba2ecae5fa982b3d9505cfa17bce920106281f66df507e6e211d969a6c553d212e50dcdcfeab4b900301d01c442a0de91

  • C:\Users\Admin\AppData\Local\Temp\pvp.txt
    Filesize

    725B

    MD5

    6b46012666cbc58c36ebc6890780d030

    SHA1

    8b38f95a12de6539cb5f6f2e87910fe3660ca775

    SHA256

    e4686444d995b94591338562b49e3c1c6e6f2cfed33fdf93ef9957159c2918df

    SHA512

    d76421df550a0ac3e825510b32c8cfb2ac5e1dc3d4c27507f377d850c8f40e8018b798f7fba2bb05c0f1b8eca45d6a151ec920d5357362768e22bb028f18e822

  • memory/544-148-0x0000000000000000-mapping.dmp
  • memory/544-152-0x0000000000400000-0x0000000000418000-memory.dmp
    Filesize

    96KB

  • memory/1152-147-0x0000000000400000-0x0000000000426000-memory.dmp
    Filesize

    152KB

  • memory/1152-144-0x0000000000000000-mapping.dmp
  • memory/3436-132-0x00007FFB84BE0000-0x00007FFB85616000-memory.dmp
    Filesize

    10.2MB

  • memory/4144-142-0x0000000000400000-0x000000000045D000-memory.dmp
    Filesize

    372KB

  • memory/4144-141-0x0000000000400000-0x000000000045D000-memory.dmp
    Filesize

    372KB

  • memory/4144-138-0x0000000000000000-mapping.dmp
  • memory/4864-137-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/4864-136-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/4864-133-0x0000000000000000-mapping.dmp