Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20221111-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20221111-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/11/2022, 07:18

General

  • Target

    2efaf34e7cc52a12a03d8831e067cad228b5ef87d3eeb8daa41f1fae56074671.exe

  • Size

    556KB

  • MD5

    7b7e45fd5c083312cfe735226652cfcf

  • SHA1

    7d925f31a9d83fdb6512c38015d06c1788eff242

  • SHA256

    2efaf34e7cc52a12a03d8831e067cad228b5ef87d3eeb8daa41f1fae56074671

  • SHA512

    9835ae36e7dab5b0af0b5de811aadf02cdd00650c55953e7fdc48fb7cb36aeae3073e6552efd2a9d0874e7c497a06b6f475f9e176b4734079807be217f2c2a86

  • SSDEEP

    12288:F7Lo8Rs90X41cnOOWB2KpyYK4BVqZDx2mpmHPW9GROsI8w:F7L1yMgcnOds44Fp2PWUDI8

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 10 IoCs
  • UPX packed file 18 IoCs

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

  • 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.

  • 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
  • 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 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates processes with tasklist 1 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 10 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 6 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2648
    • C:\Users\Admin\AppData\Local\Temp\2efaf34e7cc52a12a03d8831e067cad228b5ef87d3eeb8daa41f1fae56074671.exe
      "C:\Users\Admin\AppData\Local\Temp\2efaf34e7cc52a12a03d8831e067cad228b5ef87d3eeb8daa41f1fae56074671.exe"
      2⤵
      • Checks computer location settings
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:5020
      • C:\Users\Admin\NB4wr66jY4.exe
        C:\Users\Admin\NB4wr66jY4.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:2012
        • C:\Users\Admin\paaep.exe
          "C:\Users\Admin\paaep.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
          • Suspicious use of WriteProcessMemory
          PID:5068
        • C:\Windows\SysWOW64\cmd.exe
          "C:\Windows\System32\cmd.exe" /c tasklist&&del NB4wr66jY4.exe
          4⤵
          • Suspicious use of WriteProcessMemory
          PID:3284
          • C:\Windows\SysWOW64\tasklist.exe
            tasklist
            5⤵
            • Enumerates processes with tasklist
            • Suspicious use of AdjustPrivilegeToken
            PID:4564
      • C:\Users\Admin\2xek.exe
        C:\Users\Admin\2xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:808
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:4108
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -u -p 4108 -s 80
            5⤵
            • Program crash
            PID:3824
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Maps connected drives based on registry
          • Suspicious behavior: EnumeratesProcesses
          PID:3992
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          PID:2616
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4900
        • C:\Users\Admin\2xek.exe
          "C:\Users\Admin\2xek.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:1972
      • C:\Users\Admin\3xek.exe
        C:\Users\Admin\3xek.exe
        3⤵
        • Executes dropped EXE
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3380
        • C:\Users\Admin\AppData\Local\94128f3e\X
          *0*bc*115f872c*31.193.3.240:53
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:3496
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /c tasklist&&del 2efaf34e7cc52a12a03d8831e067cad228b5ef87d3eeb8daa41f1fae56074671.exe
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:4936
        • C:\Windows\SysWOW64\tasklist.exe
          tasklist
          4⤵
          • Enumerates processes with tasklist
          • Suspicious use of AdjustPrivilegeToken
          PID:3616
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4108 -ip 4108
    1⤵
      PID:3212

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

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    Downloads

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\2xek.exe

      Filesize

      164KB

      MD5

      c94ab34868ec4624e1e7e95e234a48ed

      SHA1

      b419f37f2fabdac6598cf59fbc505de59a51de77

      SHA256

      9772234bc94afb938998bf85c318dc800223993125e5ffa8dbe44a667ca71897

      SHA512

      e2f602193c89ec094956e427dbf586fc1f39c0c329067f140c0af6b21cdc080138f717721b83eae1315adbe78de12107903438c8153deaf93f319ebb265b74e5

    • C:\Users\Admin\3xek.exe

      Filesize

      251KB

      MD5

      2ce19a9f18fc524fe115603b4ad9b9aa

      SHA1

      30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

      SHA256

      6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

      SHA512

      c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

    • C:\Users\Admin\3xek.exe

      Filesize

      251KB

      MD5

      2ce19a9f18fc524fe115603b4ad9b9aa

      SHA1

      30b4c119d4b915826b020b12b7a6d5c7c5fd3c0e

      SHA256

      6fbf9cc7aea0d80f7706603a0b8b11938a9a0e34557adb18b711d08cec13d7a3

      SHA512

      c060d4c01799b6bd51947534359547c394d7f412d8edf2f3b3c6ac33ac13b66eee9503495cc5997ec9a4df162518422a5f4e13d75fe274baee1580d8e6a752b6

    • C:\Users\Admin\AppData\Local\94128f3e\X

      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

    • C:\Users\Admin\AppData\Local\94128f3e\X

      Filesize

      38KB

      MD5

      72de2dadaf875e2fd7614e100419033c

      SHA1

      5f17c5330e91a42daa9ff24c4aa602bd1a72bf6e

      SHA256

      c44993768a4dc5a58ddbfc9cb05ce2a7d3a0a56be45643d70a72bcf811b6c381

      SHA512

      e2520a53326a7d3b056e65d0cf60e9d823ffb34ca026cdddc7ea3a714f8396c53c37e13a887fc86a7dd7076c97fdfad53c3f5a68342ebc1bdec948c76bda8df3

    • C:\Users\Admin\NB4wr66jY4.exe

      Filesize

      224KB

      MD5

      5f3f430c5d00e2a2e4e1aae0e09078b9

      SHA1

      48a6be11c16e694c42fa0a0d05783177ba1c4adb

      SHA256

      b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

      SHA512

      3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

    • C:\Users\Admin\NB4wr66jY4.exe

      Filesize

      224KB

      MD5

      5f3f430c5d00e2a2e4e1aae0e09078b9

      SHA1

      48a6be11c16e694c42fa0a0d05783177ba1c4adb

      SHA256

      b1799329b5f9bffacf98c4d5542dc7e1b4021e6b3b0970bc1aec0f6094e0d867

      SHA512

      3a41d2084d82a4aaeb6136c629f4dd84a813759570b3ffea2856e3358c2fb11fa19c4c6c5924f78cb0d1e297c7f928ecf4c019cafee15e1aa3fefa3eb05b0873

    • C:\Users\Admin\paaep.exe

      Filesize

      224KB

      MD5

      94fc1188c9c785d50532ebf86d2a76ce

      SHA1

      9152c5145ee94e413656bba691971e586835e18a

      SHA256

      aa3c76a8b6c3efefc56cb5669c305c1d9859d5cbd394fbb23fc012a497d9ddeb

      SHA512

      9d8dd9901c0ce34996c99c0c53b667bae3470753e147d7bf5bd599a23cd01adb08768322a433346713b76a835cacf8dd0cfd2411f4becbe1ffdce1a44ce2c359

    • C:\Users\Admin\paaep.exe

      Filesize

      224KB

      MD5

      94fc1188c9c785d50532ebf86d2a76ce

      SHA1

      9152c5145ee94e413656bba691971e586835e18a

      SHA256

      aa3c76a8b6c3efefc56cb5669c305c1d9859d5cbd394fbb23fc012a497d9ddeb

      SHA512

      9d8dd9901c0ce34996c99c0c53b667bae3470753e147d7bf5bd599a23cd01adb08768322a433346713b76a835cacf8dd0cfd2411f4becbe1ffdce1a44ce2c359

    • memory/1972-183-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/1972-178-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/1972-170-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/1972-176-0x0000000000400000-0x000000000040A000-memory.dmp

      Filesize

      40KB

    • memory/2616-175-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/2616-197-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/2616-161-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/2616-157-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/2616-167-0x0000000000400000-0x0000000000455000-memory.dmp

      Filesize

      340KB

    • memory/3380-189-0x0000000030670000-0x00000000306C7000-memory.dmp

      Filesize

      348KB

    • memory/3380-190-0x0000000000721000-0x0000000000756000-memory.dmp

      Filesize

      212KB

    • memory/3380-188-0x0000000000721000-0x0000000000756000-memory.dmp

      Filesize

      212KB

    • memory/3992-171-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3992-196-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3992-160-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3992-164-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/3992-153-0x0000000000400000-0x0000000000429000-memory.dmp

      Filesize

      164KB

    • memory/4900-163-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4900-187-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4900-169-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB

    • memory/4900-172-0x0000000000400000-0x0000000000407000-memory.dmp

      Filesize

      28KB