Analysis

  • max time kernel
    152s
  • max time network
    45s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    25-11-2022 19:32

General

  • Target

    e6238cbf33635ad21f04edb1dd407b999edcf522c8983c73faf646f684a1f539.exe

  • Size

    208KB

  • MD5

    e1c1de71aeb158e88bd6e07d8aa2e490

  • SHA1

    d37d41fd8702558bc10496e154bc94a823f8cbf8

  • SHA256

    e6238cbf33635ad21f04edb1dd407b999edcf522c8983c73faf646f684a1f539

  • SHA512

    8f2dea186d961416ad5e7938cd914319656f4873e8af56d677d6da3b15fe2dc4b3202235c0020dca281d35998e39ca37173a9d1e7cc2f1af9541f4dadce12510

  • SSDEEP

    1536:Vfuxw10lxJM5y8w5OZRVmgyDl+cWaxJcveQZNTRSb3EBAR1AlQPsxjheYhpXN5yh:f0OtF2Qo7VsJgisxlYegEX0ZZbW

Score
8/10

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 15 IoCs

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

  • Loads dropped DLL 4 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
  • Drops file in System32 directory 2 IoCs
  • Suspicious use of SetThreadContext 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 36 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e6238cbf33635ad21f04edb1dd407b999edcf522c8983c73faf646f684a1f539.exe
    "C:\Users\Admin\AppData\Local\Temp\e6238cbf33635ad21f04edb1dd407b999edcf522c8983c73faf646f684a1f539.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1428
    • C:\Users\Admin\AppData\Local\Temp\e6238cbf33635ad21f04edb1dd407b999edcf522c8983c73faf646f684a1f539.exe
      "C:\Users\Admin\AppData\Local\Temp\e6238cbf33635ad21f04edb1dd407b999edcf522c8983c73faf646f684a1f539.exe"
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1640
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c ""C:\Users\Admin\AppData\Local\Temp\XWIQH.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1828
        • C:\Windows\SysWOW64\reg.exe
          REG ADD "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /v "svhust" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe" /f
          4⤵
          • Adds Run key to start application
          PID:1836
      • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
        "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:912
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:576
        • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
          "C:\Users\Admin\AppData\Roaming\svhust\svhust.exe"
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in System32 directory
          • Suspicious use of FindShellTrayWindow
          PID:628

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\XWIQH.bat
    Filesize

    141B

    MD5

    e83a2e0b3c1e03dfb96ffd9924117a45

    SHA1

    27a3e4ba115ba1bad0bf094f5b97e768d1ece33e

    SHA256

    655407d94fff9e707712a588d97a2017cc1c9d690a67c688ed0abcb79e452b13

    SHA512

    5f61686a3b7db3544d83a4f2ce1a75868c7dc266709f72a34eafecc3a26696a985b1912a559aed8f5a2cacbfe26be9beae2374340d1801bb18473de785557480

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • C:\Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • \Users\Admin\AppData\Roaming\svhust\svhust.exe
    Filesize

    208KB

    MD5

    b09dec2400a0cacb7945970d79659cc1

    SHA1

    d5afc91ad63727832eb7147fba7be384c78d0d51

    SHA256

    c6642f96747efac4b4c18bdd5935b50b4e299ba8870d3b030775aeb7b0d5e0c0

    SHA512

    c69d9a9ac2ac217cefb3fd6105e27aa4ce0528e7a1bf7781e3fc5acff5823de3f8dfc44f923a8fb3fa607fbb02c5cc1518375df40408740f165488a47306b9ad

  • memory/576-109-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/576-89-0x00000000004085D0-mapping.dmp
  • memory/576-113-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/628-92-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-108-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-107-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-100-0x0000000000476940-mapping.dmp
  • memory/628-110-0x00000000742B1000-0x00000000742B3000-memory.dmp
    Filesize

    8KB

  • memory/628-97-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-94-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-112-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-99-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/628-106-0x0000000000400000-0x0000000000479000-memory.dmp
    Filesize

    484KB

  • memory/912-81-0x00000000004ED000-0x0000000000502000-memory.dmp
    Filesize

    84KB

  • memory/912-77-0x0000000000000000-mapping.dmp
  • memory/1428-56-0x000000000056D000-0x0000000000583000-memory.dmp
    Filesize

    88KB

  • memory/1640-63-0x00000000004085D0-mapping.dmp
  • memory/1640-69-0x0000000075071000-0x0000000075073000-memory.dmp
    Filesize

    8KB

  • memory/1640-105-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1640-66-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1640-65-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1640-62-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1640-58-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1640-61-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1640-59-0x0000000000400000-0x000000000040B000-memory.dmp
    Filesize

    44KB

  • memory/1828-70-0x0000000000000000-mapping.dmp
  • memory/1836-72-0x0000000000000000-mapping.dmp