Analysis

  • max time kernel
    1800s
  • max time network
    1806s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2024 04:27

General

  • Target

    BLTools.exe

  • Size

    29KB

  • MD5

    3a946215b3e2a3d8de77764e999a0eb0

  • SHA1

    af6a6d609a095abc66c753f02b0cb1bc739e6362

  • SHA256

    9f790fcb2105613d714b4adcb34572d0bba62d2f6dbf72b22bb054779695b05e

  • SHA512

    f769b23b1b69eda41caa4021f0eb189ffb832ab65e90f527893af63cd9e893be61522e3ffaca9d76ba09d3fb0638622b212e097e884d747a32a0ccbbdc8deb4f

  • SSDEEP

    384:TB+Sbj6NKoxA6bcAHL054fqDghmq61avDKNrCeJE3WNgr50dAkCtQro3lc6rxsjr:dpoS6bcwLwqhC1445N86dIR+j

Score
10/10

Malware Config

Extracted

Family

limerat

Wallets

bc1q0gmdxcfwzc5wnfpk36nmvuyqnuhz775nzlassz

Attributes
  • aes_key

    hakai

  • antivm

    true

  • c2_url

    https://pastebin.com/raw/GmxD75vS

  • delay

    5

  • download_payload

    false

  • install

    true

  • install_name

    MSVCHOST.exe

  • main_folder

    AppData

  • pin_spread

    true

  • sub_folder

    \Microsoftt\

  • usb_spread

    true

Extracted

Family

limerat

Attributes
  • antivm

    false

  • c2_url

    https://pastebin.com/raw/GmxD75vS

  • download_payload

    false

  • install

    false

  • pin_spread

    false

  • usb_spread

    false

Signatures

  • LimeRAT

    Simple yet powerful RAT for Windows machines written in .NET.

  • Limerat family
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 4 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 40 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\BLTools.exe
    "C:\Users\Admin\AppData\Local\Temp\BLTools.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1048
    • C:\Windows\SysWOW64\schtasks.exe
      schtasks /create /f /sc ONLOGON /RL HIGHEST /tn LimeRAT-Admin /tr "'C:\Users\Admin\AppData\Roaming\Microsoftt\MSVCHOST.exe'"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2900
    • C:\Users\Admin\AppData\Roaming\Microsoftt\MSVCHOST.exe
      "C:\Users\Admin\AppData\Roaming\Microsoftt\MSVCHOST.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2892
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\4kuucilf\4kuucilf.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2776
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\c14aktge\c14aktge.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2680
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4A4A.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4A3A.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1696
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\4mvqbv5j\4mvqbv5j.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2948
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4BA2.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4BA1.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3004
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe" /noconfig @"C:\Users\Admin\AppData\Local\Temp\lojbmi2g\lojbmi2g.cmdline"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:316
        • C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe
          C:\Windows\Microsoft.NET\Framework\v2.0.50727\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES4CBA.tmp" "C:\Users\Admin\AppData\Local\Temp\vbc4CAA.tmp"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1724
      • C:\Users\Admin\AppData\Roaming\Microsoftt\MSVCHOST.exe
        "C:\Users\Admin\AppData\Roaming\Microsoftt\MSVCHOST.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        PID:2180

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\4kuucilf\4kuucilf.0.vb

    Filesize

    240B

    MD5

    43d7146738c121aa5daabdeacf65bebb

    SHA1

    27d61a7fd0ee7e535fdb90856746a18dad1611fb

    SHA256

    814d4f418edc593c0db2ce14ad3e5b340f806b96bd615c45b69913adf9300e11

    SHA512

    eceabc502d80e5041a5705b5f7ebfff7aed851e60f28867591f703855c6fcc15191228ef31e11fa6b9810ffbd37203ea7f1777d23569d6567a2eabc3b76f6309

  • C:\Users\Admin\AppData\Local\Temp\4kuucilf\4kuucilf.cmdline

    Filesize

    293B

    MD5

    48fdef026adf4f7f4ceebf1dcb5c79bd

    SHA1

    992bcdd05475b34059188b51e8d4534c1484f6cc

    SHA256

    4d0a34ccf0881f1885f57f84044e8c70960c91f178c4f5b1a031a601104e12cd

    SHA512

    9d55d2b48762dbf82c0caf6d62f842de554b0c9475fcec7078e4da866be35c04a3807e0cf7655705b17929f026063bdede0a6f5ce34ddaa4111d837d75202562

  • C:\Users\Admin\AppData\Local\Temp\4mvqbv5j\4mvqbv5j.0.vb

    Filesize

    243B

    MD5

    0bda52282c39d96197f41e4a83ef7356

    SHA1

    8f690e7b92f9d89ee2b2f7f5b4fd6ab74b1a0f0b

    SHA256

    805991ec72fb9bdda869e5cda16c0da0022089f2e1ec2fe58ba0b69eaa52601a

    SHA512

    b4f25c124013918cba54d7040fe2057c0c357ab36298769000d135f75035e7c5bdfb3672039d1e19c157aa06df08562c26c3433ed8970e5b206ec41585e6f2ca

  • C:\Users\Admin\AppData\Local\Temp\4mvqbv5j\4mvqbv5j.cmdline

    Filesize

    299B

    MD5

    03271b427232e43956f5cf3b1ff25a18

    SHA1

    53af7e56a1f44628179c6b9d2f2711c7f85fa4a9

    SHA256

    1da69ebdc0437fab2c209b4a651854553f91a1b4d1babdebbf3d4ca3a7cb4d33

    SHA512

    870f5f7c275bac2710ce17b06fc0b372a069251a110a4783f8ec9ef450cd698963daaaf34ca3e4232f19a99d7ea46e10495b1a71757d8067af35b9516c24ba6a

  • C:\Users\Admin\AppData\Local\Temp\RES4A4A.tmp

    Filesize

    5KB

    MD5

    012ce4599ed28c3bd2ad82c46bcad5b4

    SHA1

    dfc22d611bbcdb811dd7ec82b9e430e79658d1dc

    SHA256

    63086ad7e2d2a85932c747c8a91fa1bfe069d92da7a7d90ead4bbb857d40cc4c

    SHA512

    4d43764a0a19a68cf1568cb7ab42b9461b6266ed566d69a61185ea3dc813834a03eb16028be86473d9f03cdd22ce4e440284750e1113bbf9bb570335c1a5734c

  • C:\Users\Admin\AppData\Local\Temp\RES4BA2.tmp

    Filesize

    5KB

    MD5

    61b3eb1f5f7e0b282ce81d12ca29ee09

    SHA1

    96745bf7c86c5e0ed061424fae858c27ddabcebb

    SHA256

    eec13e763bf050377c4b883bf36b2d10f582825acf1a74304f7afd572d3bf1e2

    SHA512

    fed32fff37cf3ff533e99d7f5230e4b83629d0df9b363063368ada42be17d5c7d850056b2f4e7634d758ff9a76e2bdfea76c3ceccc5bfe7819d7cd9b61a9bb08

  • C:\Users\Admin\AppData\Local\Temp\RES4CBA.tmp

    Filesize

    5KB

    MD5

    cdca335f1e9a4ba045cc288cfdd3e501

    SHA1

    4b7d191a9d68ef6b2594944ac40f7763eab6da8e

    SHA256

    ee12ef59df5efea195814aa11b65edb00ecee6b19553b68c78f0cd8c9bf84f5d

    SHA512

    122dfc59868a45bc5dca45fd7aba2d49da6fb7bc8e3fc3afd307ee2064df6f3c293f778a520e40adc3164d40ae6895cbc3ea836197059bb9d79670811a9d4b6e

  • C:\Users\Admin\AppData\Local\Temp\c14aktge\c14aktge.0.vb

    Filesize

    244B

    MD5

    fa2b4b994a878223e177786aa24bb96e

    SHA1

    1e1a9854b2161261c68a446b51e4b536916fec85

    SHA256

    031b7fe1b52dbc040c2429148d533456643ddf895cdc5415c42b50563231d488

    SHA512

    6303fcc11da0e2084e3773de4d0047cb61c8cdb0897600682916651b51152df8b76926b51edfde0528fcc277217155d26e97378c29a6826b7ef1b2cfc49ee059

  • C:\Users\Admin\AppData\Local\Temp\c14aktge\c14aktge.cmdline

    Filesize

    301B

    MD5

    0878ec6f1b24a66ceb4d6dcbafdd8bad

    SHA1

    b4b047e8efc99ae69af5f0b2aa6eef26d82ffcc3

    SHA256

    2329c570cee2dd2c2c2f59541eb7cd0cc934801bce9d01192ad910b0677c18fa

    SHA512

    c0b7a9b0f287e5d750aa418ecd614090784eea7a3b8842dc73d3d886d5e9660051ae8e929d67a12ed5e65b83258d441aceb7b70e77deafb463fdc4e54bb00f6d

  • C:\Users\Admin\AppData\Local\Temp\lojbmi2g\lojbmi2g.0.vb

    Filesize

    247B

    MD5

    955cff2341d9b39fef9e839fb0c7f8e3

    SHA1

    c07df1c7a3bad91b299ae6f8646a2b475714e9ff

    SHA256

    143293551627a846c48cb1e5e31b1cbc11bb99fa675f4648a1e65bc5a34ae4b7

    SHA512

    15c9b5dd35233f6ce2ee910d016c2bfdc585aa6e2d911d417d995fc9d20f5add98972de506e30a619c03bcf79d362210315772c66bcc1e7756f15ead3d246e0f

  • C:\Users\Admin\AppData\Local\Temp\lojbmi2g\lojbmi2g.cmdline

    Filesize

    306B

    MD5

    5e9315fb2559b21ecd8b244dca14bf3e

    SHA1

    bd811e3d075541b915b075fb00f4b9e5470f38e1

    SHA256

    899dfa699471b74a66952c2f724d14bc991933fa31e6226395f9a7ed6fa83b09

    SHA512

    82dc530c1aef908c2e634a81ba013f9e73ee6b4923e8b5eb2d684e33e9ca75abe7510041a0b5e6334420f29d17ce48304f244b1c37ccc91dded8025872ab6b78

  • C:\Users\Admin\AppData\Local\Temp\vbc4A3A.tmp

    Filesize

    4KB

    MD5

    afe48426876eedacfdba91eb5176ecf8

    SHA1

    9da744cfff5427e51c2e7d091408539e03d80a05

    SHA256

    387dee5276fe1bb1c2c247e24436b03af42c504b6c4c48ed74ddaeae63c7cd6e

    SHA512

    f22abfb811911e8fdf4cb4df9d980beb9350e3be987debd4989b4a9afb0b0c45966600f013f2822adf26328335a6e39fe2326063aae8c24df5a3fcc9fcc9c926

  • C:\Users\Admin\AppData\Local\Temp\vbc4BA1.tmp

    Filesize

    4KB

    MD5

    a3487b776d060a4552667931e5382936

    SHA1

    fe13f9c7c180fac565d5f4ce2c88b1fb8b8023ed

    SHA256

    d12f09ec4b6d340bfbc6ab928f127a1482e3fd6a4eff6ec090875cdfad642f45

    SHA512

    e06e4ea67baf67314ae42e23c9737c675f07528c9c66a0ddfc42084be4a0f086c97f10c75015c7f93bdf229e0790136844af227562107627de5b2af00d69985e

  • C:\Users\Admin\AppData\Local\Temp\vbc4CAA.tmp

    Filesize

    4KB

    MD5

    eb7a3f68ceac4a230a060cd5056dcc5a

    SHA1

    b84047c053b4e1ace70fb47df7d6ffba8551370e

    SHA256

    d7150437b76b84dc43c2919a4b52015c07e12771269ea8ff1c386499acd8042e

    SHA512

    91339d546e1bce6bb0730c77041932e1e37a006484fd7a3fd2c8de4784df41bfa0b573559159d2f9aa0aec83ffcf7c909b7ad31b5242e983bdaf2edeb1ed8cdc

  • C:\Users\Admin\AppData\Roaming\Lime\ICO\GoogleChrome.ico

    Filesize

    6B

    MD5

    ed5a964e00f4a03ab201efe358667914

    SHA1

    d5d5370bbe3e3ce247c6f0825a9e16db2b8cd5c5

    SHA256

    025fc246f13759c192cbbae2a68f2b59b6478f21b31a05d77483a87e417906dd

    SHA512

    7f3b68419e0914cec2d853dcd8bbb45bf9ed77bdde4c9d6f2ea786b2ba99f3e49560512fbb26dd3f0189b595c0c108d32eb43f9a6f13bbc35b8c16b1561bd070

  • C:\Users\Admin\AppData\Roaming\Lime\ICO\InternetExplorer.ico

    Filesize

    4KB

    MD5

    2d14fe9fa6d3f40a6ecef5d5446a763a

    SHA1

    f312cd8312a41c5aed3bb609be3f7e9a1bc4f0f5

    SHA256

    03549b1b39e9b471c0c95a9dc673fd0c5be53ccfe81cf7811580aa59f2ed4fbb

    SHA512

    562f34d14216f50a7641afd2d927ee2ee0512389b097112d111a88709241f9e777d79e7f1a3ef5dd172d6efbb68d65f0161e13020baeb74ff4c16b060e4111df

  • C:\Users\Admin\AppData\Roaming\Lime\ICO\WindowsExplorer.ico

    Filesize

    4KB

    MD5

    ee136b4101d0e996d462c2c5de0beb95

    SHA1

    65cfa6ea0637548488e869ed8ac02c87906c0a5b

    SHA256

    d8b40d56ccc920590d12e1bb90c39e608e7176b97a0c4ad5acd36019e619b3d5

    SHA512

    faaf7f3dfcef2e2bef2cea7b99f793d1d8e114846412fd5522daed5eb58eb453c2b87a34ce76da4da9880d0d09ab6cc227a32d02fbd90d6aba25a8f04a6dbc82

  • C:\Users\Admin\AppData\Roaming\Lime\ICO\WindowsMediaPlayer.ico

    Filesize

    4KB

    MD5

    b2d35307c54450031b14fe5d694504d1

    SHA1

    17162851491fc499354ff1ec3dfa9912a07fb2c5

    SHA256

    a8543223e7c0cf878d52102af6dd4df94a6089da16caec76ab7dd98ec9297012

    SHA512

    02003d491e8f3d98cec43f815f9cc48036594a67052372bdfd47686e5cd3f38769b2ec43d06b560ebe43ef11813916ee006d633c84662b76bddc645d8c009886

  • C:\Users\Admin\AppData\Roaming\Microsoftt\MSVCHOST.exe

    Filesize

    29KB

    MD5

    3a946215b3e2a3d8de77764e999a0eb0

    SHA1

    af6a6d609a095abc66c753f02b0cb1bc739e6362

    SHA256

    9f790fcb2105613d714b4adcb34572d0bba62d2f6dbf72b22bb054779695b05e

    SHA512

    f769b23b1b69eda41caa4021f0eb189ffb832ab65e90f527893af63cd9e893be61522e3ffaca9d76ba09d3fb0638622b212e097e884d747a32a0ccbbdc8deb4f

  • \Users\Admin\AppData\Roaming\Microsoftt\IconLib.dll

    Filesize

    59KB

    MD5

    45ecaf5e82da876240f9be946923406c

    SHA1

    0e79bfe8ecc9b0a22430d1c13c423fbf0ac2a61d

    SHA256

    087a0c5f789e964a2fbcb781015d3fc9d1757358bc63bb4e0b863b4dffdb6e4f

    SHA512

    6fd4a25051414b2d70569a82dff5522606bfc34d3eaeea54d2d924bc9c92e479c7fda178208026308a1bf9c90bee9dbcaf8716d85c2ab7f383b43b0734329bc8

  • memory/1048-13-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/1048-1-0x0000000000130000-0x000000000013C000-memory.dmp

    Filesize

    48KB

  • memory/1048-0-0x0000000074EBE000-0x0000000074EBF000-memory.dmp

    Filesize

    4KB

  • memory/2180-87-0x0000000000460000-0x0000000000470000-memory.dmp

    Filesize

    64KB

  • memory/2892-25-0x00000000005D0000-0x00000000005E6000-memory.dmp

    Filesize

    88KB

  • memory/2892-14-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-18-0x0000000000510000-0x000000000052E000-memory.dmp

    Filesize

    120KB

  • memory/2892-12-0x0000000000C10000-0x0000000000C1C000-memory.dmp

    Filesize

    48KB

  • memory/2892-16-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-17-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-19-0x00000000005B0000-0x00000000005D4000-memory.dmp

    Filesize

    144KB

  • memory/2892-15-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB

  • memory/2892-84-0x0000000002190000-0x000000000219C000-memory.dmp

    Filesize

    48KB

  • memory/2892-86-0x0000000074EB0000-0x000000007559E000-memory.dmp

    Filesize

    6.9MB