Analysis

  • max time kernel
    148s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21-05-2024 01:30

General

  • Target

    9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe

  • Size

    670KB

  • MD5

    a0a76a3cb895af970be13cca6504e378

  • SHA1

    dd554c3c7f784a7e0be22ee657791224c0bf6a1c

  • SHA256

    9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b

  • SHA512

    5e28ff39e2c11160f286ab67159b3e3975e7b0f979369cc3a67ef450a7dac7536be5cfae2742405ebcfae54e695cddb54c28379c20478e881117d8a90dba11ff

  • SSDEEP

    12288:v1zHj5QmY+pTUXzmXC+DEh3LAH3xCeZy5+Ksj:v1rjex+wmy+DEtUHhCAy51

Malware Config

Extracted

Family

agenttesla

Credentials

Signatures

  • AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Guloader,Cloudeye

    A shellcode based downloader first seen in 2020.

  • Detect packed .NET executables. Mostly AgentTeslaV4. 2 IoCs
  • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 2 IoCs
  • Detects executables referencing Windows vault credential objects. Observed in infostealers 2 IoCs
  • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 2 IoCs
  • Detects executables referencing many email and collaboration clients. Observed in information stealers 2 IoCs
  • Detects executables referencing many file transfer clients. Observed in information stealers 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

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

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Program Files directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe
    "C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe"
    1⤵
    • Loads dropped DLL
    • Drops file in System32 directory
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • Suspicious use of SetThreadContext
    • Drops file in Program Files directory
    • Suspicious behavior: MapViewOfSection
    • Suspicious use of WriteProcessMemory
    PID:2180
    • C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe
      "C:\Users\Admin\AppData\Local\Temp\9bf56ab43a909ec49299e2e2d27a7418cb8c5b0b1369015dad171aaebabd509b.exe"
      2⤵
      • Suspicious use of NtCreateThreadExHideFromDebugger
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1988

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    1B

    MD5

    8ce4b16b22b58894aa86c421e8759df3

    SHA1

    13fbd79c3d390e5d6585a21e11ff5ec1970cff0c

    SHA256

    8254c329a92850f6d539dd376f4816ee2764517da5e0235514af433164480d7a

    SHA512

    2af8a9104b3f64ed640d8c7e298d2d480f03a3610cbc2b33474321ec59024a48592ea8545e41e09d5d1108759df48ede0054f225df39d4f0f312450e0aa9dd25

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    2B

    MD5

    25bc6654798eb508fa0b6343212a74fe

    SHA1

    15d5e1d3b948fd5986aaff7d9419b5e52c75fc93

    SHA256

    8e5202705183bd3a20a29e224499b0f77a8273ee33cd93cca71043c57ad4bdfc

    SHA512

    5868c6241ed3cfcc5c34bfe42e4b9f5c69e74975e524771d8c9f35cafc13fd01cd943ec4d8caefee79a1f4a457e69d20b7a86f88db83a5bc3e6bd8a619972898

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    3B

    MD5

    4e27f2226785e9abbe046fc592668860

    SHA1

    28b18a7f383131df509f7191f946a32c5a2e410c

    SHA256

    01a219245e1501fee01ce0baea8f6065ce5162cea12fa570689a07c9717be81d

    SHA512

    2a23585835bdb5db8175cab265566042282841efdcee8aaba8b9b5d466b0f165c0c5973033ce94bb9a8f07a956689247981ea07ac5a51408263e1653d9710adb

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    4B

    MD5

    cde63b34c142af0a38cbe83791c964f8

    SHA1

    ece2b194b486118b40ad12c1f0e9425dd0672424

    SHA256

    65e2d70166c9a802b7ad2a87129b8945f083e5f268878790a9d1f1c03f47938d

    SHA512

    0559d3d34ad64ccc27e685431c24fc6ead0f645db14fa0e125a64fb67dbd158c15432c1fc5407811aac8a3486090dfbcfcbc3c6bf5aa0ec73f979ef62d14853c

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    7B

    MD5

    67cfa7364c4cf265b047d87ff2e673ae

    SHA1

    56e27889277981a9b63fcf5b218744a125bbc2fa

    SHA256

    639b68bd180b47d542dd001d03557ee2d5b3065c3c783143bc9fb548f3fd7713

    SHA512

    17f28a136b20b89e9c3a418b08fd8e6fcaac960872dc33b2481af2d872efc44228f420759c57724f5d953c7ba98f2283e2acc7dfe5a58cbf719c6480ec7a648b

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    10B

    MD5

    9a53fc1d7126c5e7c81bb5c15b15537b

    SHA1

    e2d13e0fa37de4c98f30c728210d6afafbb2b000

    SHA256

    a7de06c22e4e67908840ec3f00ab8fe9e04ae94fb16a74136002afbaf607ff92

    SHA512

    b0bffbb8072dbdcfc68f0e632f727c08fe3ef936b2ef332c08486553ff2cef7b0bcdb400e421a117e977bb0fac17ce4706a8097e32d558a918433646b6d5f1a1

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    20B

    MD5

    981d979ec49cb64b078f50013c191acd

    SHA1

    18f103644da4913b96391b7d457ded5706e4d0f2

    SHA256

    f4e95849a9bf43f048e70b6beb4716762d41fd3efcb59bc58923386a6e3aeb5b

    SHA512

    d2901d088095cfb15227db5b49f510591e3480be1d4bd16991e794347657bcc4e1e940834961a09d9eaf48c3224886b850973a8eff9cd3ee74f7eec622bb6eba

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    31B

    MD5

    282c41378bb061a3ceaeb4b5f50aecd3

    SHA1

    2bafe8a9bf7bc4a5232faa4466844b413da59401

    SHA256

    8123a319a650115a1880b7bd5745d08ba9baee139f43f27442b2ac6699fc4e1d

    SHA512

    dd0cec779bcf21eb47341cf412c85efc1a47c39707da7e18c8083f3b757e95c60c3d84b0a4a7820aaa5b9300f80240a5acd890b1d84a5817037af0598f2e342b

  • C:\Users\Admin\AppData\Local\Temp\nsm5884.tmp

    Filesize

    60B

    MD5

    664eb3df4927a93be7215b212988f596

    SHA1

    eeea34176a34d7999aa9a77c491e8c6939a73cff

    SHA256

    aab8bbebe411eb689fb0318add08dd016af5e6ec8985433295c005d513a5d28f

    SHA512

    c4022b56563535088f7092ef20551d56a0ccc4b6e7ff248faf9aa9bb2e6f1fb30df9d7de4c021a5cd6076fded2b1ff084cc1c9419a4234ff9bcf4c4a9b16540b

  • C:\Users\Admin\AppData\Local\Temp\nsr576A.tmp

    Filesize

    5B

    MD5

    e2fecc970546c3418917879fe354826c

    SHA1

    63f1c1dd01b87704a6b6c99fd9f141e0a3064f16

    SHA256

    ff91566d755f5d038ae698a2cc0a7d4d14e5273afafc37b6f03afda163768fa0

    SHA512

    3c4a68cbaee94f986515f43305a0e7620c14c30213d4a17db4a3e8a1b996764eb688bf733f472fc52073c2c80bb5229bb29411d7601aefe1c4370e230c341a0a

  • C:\Users\Admin\AppData\Local\Temp\nsr576A.tmp

    Filesize

    24B

    MD5

    60f65c2cd21dde8cc4ce815633d832e0

    SHA1

    c1196320458557d8c4f65ba6810953b1037a822b

    SHA256

    7f0f042b1879b1b8f04a5e6051e577a1e691ec322789c4d98d52494cfd906ce7

    SHA512

    301ead9a6620deccb0be51bbe4eb760ca9d48d029cded0c6cdc7115a4353f4d9330f2ca92df2519a78a7d5aa24975ca6fa19c0269cc411026739b3f733f8d8f2

  • C:\Users\Admin\AppData\Local\Temp\nsr576A.tmp

    Filesize

    35B

    MD5

    baf2a3b161f59f08e4ac15360a33f91e

    SHA1

    7720d461221d6947de0c8295c9a350de7793e0e2

    SHA256

    8c876ae7916572fa02c0c9841d47358f549363bda4f2879944e44c250f29e431

    SHA512

    b9ff3c4e06b93e7896a44bbcc4f228e6bed9afc14d4996bb5953851157773882d576826df5d1b9b2000356d69c3a43a61186f88027c4c9914e7aca8a93aa357f

  • C:\Users\Admin\AppData\Local\Temp\nss5941.tmp

    Filesize

    17B

    MD5

    88709912d0866bf048ec0c601d091abe

    SHA1

    c5364abea3ba9bbfb01fa4b0b04547042e0392b9

    SHA256

    1a5bf931879e4348adaa5a155208f1c1329c3d12c1b51006098190a595a02a9d

    SHA512

    d188eebf04b71aff02d29feda4f86a2b14f834a8d40234544d736eb369ee261aea7fe4882193067b52d2d2e0847ccbe0858a0c9b7e02efd08f61f07ffaa23678

  • C:\Users\Admin\AppData\Local\Temp\nsv5600.tmp

    Filesize

    60B

    MD5

    15b80dc3d729ab1abd2b7dd56f15dfbb

    SHA1

    38f2c2a96b7a3b7a2092956ba1cd28d93f7f44f4

    SHA256

    a8131e5fa3f1e8a7e35a248fb3da529eb2885731ca6687bac3278f53a698850c

    SHA512

    43cc514b05da8854292008e536e5860902847998f9d2cfce883aae0d3d5bedbe74db9a55ae1c33933af4f9cef40a103cac49a306f88550109397e96c7dc969fc

  • C:\Users\Admin\AppData\Local\Temp\nsv5600.tmp

    Filesize

    63B

    MD5

    6a82ea02494893b849d7b981609561e4

    SHA1

    c4ab8d0a95600197c0517fb0c30e4d67683efb4a

    SHA256

    325f317c63480734ea71c33422a2416e25a678cc45e33edd33e939ac6f5e2fd6

    SHA512

    86f06d769bd277e2f75c0843df79a17f878c7c4c9f5412b68ade304b7bcdc35abf6714be2aa6166230d358d007799be703ed2e673df153aa96602799009674fe

  • C:\Users\Admin\AppData\Local\Temp\nsv5600.tmp

    Filesize

    9B

    MD5

    2b3884fe02299c565e1c37ee7ef99293

    SHA1

    d8e2ef2a52083f6df210109fea53860ea227af9c

    SHA256

    ae789a65914ed002efb82dad89e5a4d4b9ec8e7faae30d0ed6e3c0d20f7d3858

    SHA512

    aeb9374a52d0ad99336bfd4ec7bb7c5437b827845b8784d9c21f7d96a931693604689f6adc3ca25fad132a0ad6123013211ff550f427fa86e4f26c122ac6a0fe

  • C:\Users\Admin\AppData\Local\Temp\nsv5601.tmp\System.dll

    Filesize

    11KB

    MD5

    8b3830b9dbf87f84ddd3b26645fed3a0

    SHA1

    223bef1f19e644a610a0877d01eadc9e28299509

    SHA256

    f004c568d305cd95edbd704166fcd2849d395b595dff814bcc2012693527ac37

    SHA512

    d13cfd98db5ca8dc9c15723eee0e7454975078a776bce26247228be4603a0217e166058ebadc68090afe988862b7514cb8cb84de13b3de35737412a6f0a8ac03

  • C:\Windows\SysWOW64\kaleb.ini

    Filesize

    45B

    MD5

    9dfd97e7025bf54441fe6759f87e5ddf

    SHA1

    0f04ae6a7bc2213255fc72898f339b12bd743f24

    SHA256

    eea1bdc93e5a8fcbca0aea236d83b487ad2af028095a0d0107f02d397b4372fb

    SHA512

    08ea09b23814906f040060b46d919d45f6aee0c96b27d0baa88813bc46032c274546adb89e354b78f659c962a8588adbbd49966951e1f1b097e2484a07678f44

  • memory/1988-856-0x0000000001700000-0x0000000003073000-memory.dmp

    Filesize

    25.4MB

  • memory/1988-858-0x0000000077711000-0x0000000077831000-memory.dmp

    Filesize

    1.1MB

  • memory/1988-852-0x00000000363A0000-0x00000000363F0000-memory.dmp

    Filesize

    320KB

  • memory/1988-842-0x0000000001700000-0x0000000003073000-memory.dmp

    Filesize

    25.4MB

  • memory/1988-844-0x0000000077798000-0x0000000077799000-memory.dmp

    Filesize

    4KB

  • memory/1988-854-0x00000000364B0000-0x00000000364BA000-memory.dmp

    Filesize

    40KB

  • memory/1988-846-0x00000000777B5000-0x00000000777B6000-memory.dmp

    Filesize

    4KB

  • memory/1988-845-0x00000000004A0000-0x00000000016F4000-memory.dmp

    Filesize

    18.3MB

  • memory/1988-847-0x00000000004A0000-0x00000000016F4000-memory.dmp

    Filesize

    18.3MB

  • memory/1988-853-0x00000000363F0000-0x0000000036482000-memory.dmp

    Filesize

    584KB

  • memory/1988-849-0x00000000004A0000-0x00000000004E0000-memory.dmp

    Filesize

    256KB

  • memory/1988-850-0x00000000359B0000-0x0000000035F54000-memory.dmp

    Filesize

    5.6MB

  • memory/1988-851-0x00000000336C0000-0x0000000033726000-memory.dmp

    Filesize

    408KB

  • memory/2180-839-0x0000000004100000-0x0000000005A73000-memory.dmp

    Filesize

    25.4MB

  • memory/2180-848-0x0000000004100000-0x0000000005A73000-memory.dmp

    Filesize

    25.4MB

  • memory/2180-843-0x0000000004100000-0x0000000005A73000-memory.dmp

    Filesize

    25.4MB

  • memory/2180-841-0x0000000010004000-0x0000000010005000-memory.dmp

    Filesize

    4KB

  • memory/2180-840-0x0000000077711000-0x0000000077831000-memory.dmp

    Filesize

    1.1MB