Overview

overview

10

Static

static

1b70b771ef...36.exe

windows7-x64

10

1b70b771ef...36.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    151s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/10/2022, 09:39

Sharing

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General

  • Target

    1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436.exe

  • Size

    492KB

  • MD5

    73665f9e1c34c960ad4be2b97922da39

  • SHA1

    6127286e8c99d0073ac10c93846fe86865690b78

  • SHA256

    1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436

  • SHA512

    3ac2692f5a3bc0be30a841dcc30f8eeabc5f8d36f3cc3cae643b5a52eed5acb52ff45b4adf546382793c95684f13ecbff91ecd1c72fc9ac11ec895ea4319e038

  • SSDEEP

    12288:4bGx+je/ygu566z3w8iiuFDnNMkP8W2aSQkGvdGebCJK83:4b1je/+X3w8Cn+kP8W8/Jx

Score
10/10
evasionpersistencespywarestealerupx

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
    evasion
  • Executes dropped EXE 8 IoCs
  • UPX packed file 13 IoCs

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

    upx
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of web browsers 2 TTPs

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

    spywarestealer
  • Unexpected DNS network traffic destination 2 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Adds Run key to start application 2 TTPs 53 IoCs
    persistence
  • Maps connected drives based on registry 3 TTPs 2 IoCs

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

  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 16 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 55 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    PID:3000
    • C:\Users\Admin\AppData\Local\Temp\1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436.exe
      "C:\Users\Admin\AppData\Local\Temp\1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2980
      • C:\Users\Admin\Lo7b43s3.exe
        C:\Users\Admin\Lo7b43s3.exe
        3⤵
        • Modifies visiblity of hidden/system files in Explorer
        • Executes dropped EXE
        • Checks computer location settings
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1984
        • C:\Users\Admin\yoipeq.exe
          "C:\Users\Admin\yoipeq.exe"
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:4504
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del Lo7b43s3.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:1964
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:1124
      • C:\Users\Admin\2eaa.exe
        C:\Users\Admin\2eaa.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:3232
        • C:\Users\Admin\2eaa.exe
          "C:\Users\Admin\2eaa.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:176
        • C:\Users\Admin\2eaa.exe
          "C:\Users\Admin\2eaa.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:256
        • C:\Users\Admin\2eaa.exe
          "C:\Users\Admin\2eaa.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4352
      • C:\Users\Admin\3eaa.exe
        C:\Users\Admin\3eaa.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4744
        • C:\Users\Admin\AppData\Local\3d215881\X
          *0*bc*3591544d*69.64.52.10:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:684
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\system32\cmd.exe"
          4⤵
            PID:4920
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del 1b70b771ef5f0aab38e49c4fc683bb5348913e3e2cba4dfeeb45ae51224d2436.exe
          3⤵
          • Suspicious use of WriteProcessMemory
          PID:4696
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            4⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:3616

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

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          Downloads

          • C:\Users\Admin\2eaa.exe
            Filesize

            124KB

            MD5

            7b3def3cfe4bb0145ce8ec999978acd6

            SHA1

            c5197f94b9ded5e9e7158ce9ca53f3eaa6443357

            SHA256

            7b03e0be239f6716f840748faef30ef2a6d25f03689f839339864b7474fc7e31

            SHA512

            8b1bcaca6d6245f30f5fbc367d6a96545ddc4a8116acb98ec494065af56b60090d675bfae51d2bfd1a8a56ddcbdd1f2fda298addd3e420d941eebc2c6325e4cd

            Download Submit

          • C:\Users\Admin\2eaa.exe
            Filesize

            124KB

            MD5

            7b3def3cfe4bb0145ce8ec999978acd6

            SHA1

            c5197f94b9ded5e9e7158ce9ca53f3eaa6443357

            SHA256

            7b03e0be239f6716f840748faef30ef2a6d25f03689f839339864b7474fc7e31

            SHA512

            8b1bcaca6d6245f30f5fbc367d6a96545ddc4a8116acb98ec494065af56b60090d675bfae51d2bfd1a8a56ddcbdd1f2fda298addd3e420d941eebc2c6325e4cd

            Download Submit

          • C:\Users\Admin\2eaa.exe
            Filesize

            124KB

            MD5

            7b3def3cfe4bb0145ce8ec999978acd6

            SHA1

            c5197f94b9ded5e9e7158ce9ca53f3eaa6443357

            SHA256

            7b03e0be239f6716f840748faef30ef2a6d25f03689f839339864b7474fc7e31

            SHA512

            8b1bcaca6d6245f30f5fbc367d6a96545ddc4a8116acb98ec494065af56b60090d675bfae51d2bfd1a8a56ddcbdd1f2fda298addd3e420d941eebc2c6325e4cd

            Download Submit

          • C:\Users\Admin\2eaa.exe
            Filesize

            124KB

            MD5

            7b3def3cfe4bb0145ce8ec999978acd6

            SHA1

            c5197f94b9ded5e9e7158ce9ca53f3eaa6443357

            SHA256

            7b03e0be239f6716f840748faef30ef2a6d25f03689f839339864b7474fc7e31

            SHA512

            8b1bcaca6d6245f30f5fbc367d6a96545ddc4a8116acb98ec494065af56b60090d675bfae51d2bfd1a8a56ddcbdd1f2fda298addd3e420d941eebc2c6325e4cd

            Download Submit

          • C:\Users\Admin\2eaa.exe
            Filesize

            124KB

            MD5

            7b3def3cfe4bb0145ce8ec999978acd6

            SHA1

            c5197f94b9ded5e9e7158ce9ca53f3eaa6443357

            SHA256

            7b03e0be239f6716f840748faef30ef2a6d25f03689f839339864b7474fc7e31

            SHA512

            8b1bcaca6d6245f30f5fbc367d6a96545ddc4a8116acb98ec494065af56b60090d675bfae51d2bfd1a8a56ddcbdd1f2fda298addd3e420d941eebc2c6325e4cd

            Download Submit

          • C:\Users\Admin\3eaa.exe
            Filesize

            253KB

            MD5

            60055d4e3397db97e7cb6400b2f5cacf

            SHA1

            1b197c3ea33bc51ec2d78d152295e4db13ba8fc6

            SHA256

            8f966fdcbe708065fde4cbb7087af788d6e9b8d4410fa7bcaf1ba6de0993a091

            SHA512

            63a644df9a5201936f6a08ccd88a4c37485ceac46a2610b85ed1b13480f6b41902d9385488a67f160412567916ac792131c4c1b5e92e4afce54aab67a1120bd4

            Download Submit

          • C:\Users\Admin\3eaa.exe
            Filesize

            253KB

            MD5

            60055d4e3397db97e7cb6400b2f5cacf

            SHA1

            1b197c3ea33bc51ec2d78d152295e4db13ba8fc6

            SHA256

            8f966fdcbe708065fde4cbb7087af788d6e9b8d4410fa7bcaf1ba6de0993a091

            SHA512

            63a644df9a5201936f6a08ccd88a4c37485ceac46a2610b85ed1b13480f6b41902d9385488a67f160412567916ac792131c4c1b5e92e4afce54aab67a1120bd4

            Download Submit

          • C:\Users\Admin\AppData\Local\3d215881\X
            Filesize

            38KB

            MD5

            72de2dadaf875e2fd7614e100419033c

            SHA1

            5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

            SHA256

            c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

            SHA512

            e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

            Download Submit

          • C:\Users\Admin\AppData\Local\3d215881\X
            Filesize

            38KB

            MD5

            72de2dadaf875e2fd7614e100419033c

            SHA1

            5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

            SHA256

            c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

            SHA512

            e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

            Download Submit

          • C:\Users\Admin\Lo7b43s3.exe
            Filesize

            232KB

            MD5

            555a30b03ba67c68c5206e84d5eef20c

            SHA1

            683fefc8ba94ab95a67d390a1d512d38b8c59170

            SHA256

            cff70151f9c151b4cdbfc2c0db134ef81f095a34b86fb6497d37797d5cd3bcaf

            SHA512

            92a72e53f2c628e44b2ef5590f53e37b311a006f10683dc1c28182f3f88ea066ee14103f173a262f67c97d0386afebf51c9921e9ad55ca53efe9729cc4f63402

            Download Submit

          • C:\Users\Admin\Lo7b43s3.exe
            Filesize

            232KB

            MD5

            555a30b03ba67c68c5206e84d5eef20c

            SHA1

            683fefc8ba94ab95a67d390a1d512d38b8c59170

            SHA256

            cff70151f9c151b4cdbfc2c0db134ef81f095a34b86fb6497d37797d5cd3bcaf

            SHA512

            92a72e53f2c628e44b2ef5590f53e37b311a006f10683dc1c28182f3f88ea066ee14103f173a262f67c97d0386afebf51c9921e9ad55ca53efe9729cc4f63402

            Download Submit

          • C:\Users\Admin\yoipeq.exe
            Filesize

            232KB

            MD5

            77d26bf5138d27084dfba1609a201812

            SHA1

            736620bc7cf3ef811da2e0370785feeef45df0b7

            SHA256

            a426cc648339adaf02904dfdeae9f377b4d880f3e9600b6e4072148979454196

            SHA512

            e1c09662c9d0524c373092db5bbcc3b1a39def1e2f89086a27011349e380b8978d08fd2b81456c36a99f56f5f2596bdf3cfb1ee9dc155b5621f3af085fda46b3

            Download Submit

          • C:\Users\Admin\yoipeq.exe
            Filesize

            232KB

            MD5

            77d26bf5138d27084dfba1609a201812

            SHA1

            736620bc7cf3ef811da2e0370785feeef45df0b7

            SHA256

            a426cc648339adaf02904dfdeae9f377b4d880f3e9600b6e4072148979454196

            SHA512

            e1c09662c9d0524c373092db5bbcc3b1a39def1e2f89086a27011349e380b8978d08fd2b81456c36a99f56f5f2596bdf3cfb1ee9dc155b5621f3af085fda46b3

            Download Submit

          • memory/176-148-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/176-166-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/176-149-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/176-145-0x0000000000400000-0x000000000040A000-memory.dmp

            Filesize

            40KB

            Download

          • memory/256-161-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/256-189-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/256-170-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/256-152-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/256-158-0x0000000000400000-0x0000000000429000-memory.dmp

            Filesize

            164KB

            Download

          • memory/4352-171-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/4352-163-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/4352-162-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/4352-157-0x0000000000400000-0x0000000000407000-memory.dmp

            Filesize

            28KB

            Download

          • memory/4744-173-0x000000000049C000-0x00000000004D1000-memory.dmp

            Filesize

            212KB

            Download

          • memory/4744-181-0x0000000030670000-0x00000000306C7000-memory.dmp

            Filesize

            348KB

            Download

          • memory/4744-183-0x000000000049C000-0x00000000004D1000-memory.dmp

            Filesize

            212KB

            Download

          • memory/4744-172-0x0000000030670000-0x00000000306C7000-memory.dmp

            Filesize

            348KB

            Download