Analysis

  • max time kernel
    151s
  • max time network
    141s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 03:51

General

  • Target

    e350b05ac7ab3fb07f1b293c85fc9cfce5a87d7e562e4694d6c2ae5abd3ef825.exe

  • Size

    513KB

  • MD5

    684524dae890445c39102e1453108a30

  • SHA1

    4cdc83c2d02a27e6858ae3c25d55af43a933fec5

  • SHA256

    e350b05ac7ab3fb07f1b293c85fc9cfce5a87d7e562e4694d6c2ae5abd3ef825

  • SHA512

    46ab601a6806c7077f5424c95c63ee59c679fd6cdad37142c6c27d648595a0d706dc6414933293a83d961d090c7a35a6fc7c073eadb62599e30107a040a72739

  • SSDEEP

    12288:l9OeYXiVTn7n1V+3isxcplm6f+OWAS/4mer8mcwWd:6gn7n1V6iV/m6fbJIYpcw+

Malware Config

Signatures

  • Executes dropped EXE 3 IoCs
  • UPX packed file 5 IoCs

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

  • Loads dropped DLL 11 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Installs/modifies Browser Helper Object 2 TTPs 2 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Drops file in System32 directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 46 IoCs
  • Suspicious use of FindShellTrayWindow 64 IoCs
  • Suspicious use of SendNotifyMessage 64 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e350b05ac7ab3fb07f1b293c85fc9cfce5a87d7e562e4694d6c2ae5abd3ef825.exe
    "C:\Users\Admin\AppData\Local\Temp\e350b05ac7ab3fb07f1b293c85fc9cfce5a87d7e562e4694d6c2ae5abd3ef825.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1452
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • Suspicious use of WriteProcessMemory
      PID:1276
      • C:\Users\Admin\AppData\Local\Temp\RarSFX0\===.exe
        "C:\Users\Admin\AppData\Local\Temp\RarSFX0\===.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:988
      • C:\Windows\SysWOW64\svchostdllx.exe
        C:\Windows\system32\svchostdllx.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Adds Run key to start application
        • Installs/modifies Browser Helper Object
        • Drops file in System32 directory
        • Modifies registry class
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        PID:900

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\===.exe

    Filesize

    273KB

    MD5

    b1f64d00e8ca36aa1982655fab9a699d

    SHA1

    dcd5728c2a7e3eaef1863458e5d722e5bde9d5ee

    SHA256

    516c17aaaa38753972007a85d99367b1b21ab766a6520e1943c893210e52a30d

    SHA512

    03ba859983f4f5f2472e516459b9d2c69aa28528e3c3af3a9dd74df82625a5ecad1491e30a8594417f5a713c041d49c0afa321c6b51dfdfdef0ff0564e843394

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\===.exe

    Filesize

    273KB

    MD5

    b1f64d00e8ca36aa1982655fab9a699d

    SHA1

    dcd5728c2a7e3eaef1863458e5d722e5bde9d5ee

    SHA256

    516c17aaaa38753972007a85d99367b1b21ab766a6520e1943c893210e52a30d

    SHA512

    03ba859983f4f5f2472e516459b9d2c69aa28528e3c3af3a9dd74df82625a5ecad1491e30a8594417f5a713c041d49c0afa321c6b51dfdfdef0ff0564e843394

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\inst.dat

    Filesize

    996B

    MD5

    69c52b9b224b2daeceb7e9217c0c20a7

    SHA1

    d692c9d8f1b76097a0aceaf6691b5666c48a2ff7

    SHA256

    298eb6ff6220bdbb8606153371c751519890ba4053a094df1bac502a5900f579

    SHA512

    d60898615644f7721113c686d18619adc87fd53dba2579d276b00b7442a062770d43af2accfa4f0ee0c1c042c4b209734b9ec32bbe2a0dfa23e24b27bfdc6d54

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\pk.bin

    Filesize

    4KB

    MD5

    ffd8974287694ea2f6fe8906cc849bcf

    SHA1

    a563ae1b6e4712aa1837891e9495de0171bbdff4

    SHA256

    eb0b4b7e3f0f0e765062fb132f0a695ca26d08f117c40d3bbf0f10594fb6ced0

    SHA512

    73d8771247a8bb2bde5b753da9cd1db1d3df952d9221056b2a4d14ce64c5e97f97561cf89621668fc61cb00b11aa972885f3e00ff24fef041a79612681263600

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\svchostdllx.exe

    Filesize

    428KB

    MD5

    1bd45255f7c436a843f80e7a07208cf1

    SHA1

    75c5fca93f6c0ae3a387d89d83d7ce0b6ce93de7

    SHA256

    cdb92394705cfc55d4c76935c272655cdba57ebe902e30eeba271fcc75154973

    SHA512

    9eb7902747e7022ca726f8bb40886c2656a2ee87b4727069fdc11f15eb91190707649ec42dc1c0009949fb0c54150388698242acb07a8a21d289ed55fc499f4c

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\svchostdllxhk.dll

    Filesize

    24KB

    MD5

    da106941c5089335584177dae6215f3c

    SHA1

    3e3818b8a70f68219570026e7961a86e79d5eb9a

    SHA256

    ed1ff647ac96aaf15b7f0ed06c4a1a7639f772e74d56cd35ed599fcf477b6a2b

    SHA512

    a787f0227ac5cda6a22e26a55377f1c006f4b3ac5ed6bf6ff0a461b970b6d858d1e33c2fc493fb73f201a12ce119ad37fadc7039242c6d6c7c958845d3c02795

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\svchostdllxwb.dll

    Filesize

    40KB

    MD5

    d0924f56038fbadaa4cf7185b29ee826

    SHA1

    4c87ca362e05a62d7f4e4ef4e41e23fd4f6b82a2

    SHA256

    8cc3b190339ff12f095ff0f617e44f5acc2b163e86fb17a414d58439df9df116

    SHA512

    e681426193fdedda7722d8574786199280c35456bfd689e326246dcb911eb05f6547523deb999b3c11a97d4ee92dd5aaa0bf1e7bbe4ab75515f2ed133405f53b

  • C:\Windows\SysWOW64\inst.dat

    Filesize

    996B

    MD5

    69c52b9b224b2daeceb7e9217c0c20a7

    SHA1

    d692c9d8f1b76097a0aceaf6691b5666c48a2ff7

    SHA256

    298eb6ff6220bdbb8606153371c751519890ba4053a094df1bac502a5900f579

    SHA512

    d60898615644f7721113c686d18619adc87fd53dba2579d276b00b7442a062770d43af2accfa4f0ee0c1c042c4b209734b9ec32bbe2a0dfa23e24b27bfdc6d54

  • C:\Windows\SysWOW64\pk.bin

    Filesize

    4KB

    MD5

    3432c6b40ea792a5665b84da5562d114

    SHA1

    f9388efc80b977514794f3f39931591781ba1236

    SHA256

    8682258ac1897aa8ffbf5f98e4736e36f0f9a4ee21f79aa57f783a4dded71530

    SHA512

    81a305cc30ecc1c516fc70142031f53a8276cab3ad758a2a4148941bd113a06079e371d22ed0a5911311ec076b6f7100fd3507bfb69e6da383f998ebf690faa2

  • C:\Windows\SysWOW64\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • C:\Windows\SysWOW64\svchostdllx.exe

    Filesize

    428KB

    MD5

    137cb2835b1d91386ac2b1b565c6492d

    SHA1

    acc7213b0b856db29aa6d10b49884c432a05e75f

    SHA256

    a8cea204954ffa11134f0be8ac0fed6c9939b54c369cc7f8312059c0a601c390

    SHA512

    b55cb7be2a077006497aa6cd08459fa9a000bce6eb970a1dd2a28143c3859a1ee26edadb6890d6de848701bbc7c6373ef35f051ebdaaac296e6afc8b32fba688

  • C:\Windows\SysWOW64\svchostdllxhk.dll

    Filesize

    24KB

    MD5

    9ac9028338d1b353a7cacb563bb91df7

    SHA1

    a20c5dee8f05c91686324cec2d5b092bafe58339

    SHA256

    93c0e7f41d5d74217189e4cc2d5cdb8f97d8e5eeef0a0dcf4cecd67e3393682c

    SHA512

    ac83c8f7b6fe913487015d8d7a2e430e917d230b6b2907150f6c4a73bf64c3a02320dddc29fea03db5df8ac5620d8a902fe7be80ba1b1bd1e6f5b8b1b016ddfe

  • C:\Windows\SysWOW64\svchostdllxwb.dll

    Filesize

    40KB

    MD5

    21d4e01f38b5efd64ad6816fa0b44677

    SHA1

    5242d2c5b450c773b9fa3ad014a8aba9b7bb206a

    SHA256

    3285df0c25d4b9b6d5ccbe166a3ce3d04f5cb3a0d61c8bf29bf5f953e51b0977

    SHA512

    77dae941676a56664da89c7670d29ed5402032c8040df1cc231986733c78f0dc56c41f7a276ec9ea8336e3fa2bfc68d3121048e9585bf0d8a98917d799f669b8

  • \Users\Admin\AppData\Local\Temp\RarSFX0\===.exe

    Filesize

    273KB

    MD5

    b1f64d00e8ca36aa1982655fab9a699d

    SHA1

    dcd5728c2a7e3eaef1863458e5d722e5bde9d5ee

    SHA256

    516c17aaaa38753972007a85d99367b1b21ab766a6520e1943c893210e52a30d

    SHA512

    03ba859983f4f5f2472e516459b9d2c69aa28528e3c3af3a9dd74df82625a5ecad1491e30a8594417f5a713c041d49c0afa321c6b51dfdfdef0ff0564e843394

  • \Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • \Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • \Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • \Users\Admin\AppData\Local\Temp\RarSFX0\rinst.exe

    Filesize

    7KB

    MD5

    fbe4bab53f74d3049ef4b306d4cd8742

    SHA1

    6504b63908997a71a65997fa31eda4ae4de013e7

    SHA256

    446658dd5af649857fff445c600f26cdc1d0c19c86a080f312b89b1890182092

    SHA512

    d458ab806a3ed3d1494a13ad8a75df874a0b227cb4f337996cb82df3c4a26dc9c4fe48a664b53b052a4af123ea8d89911d9d9493870e6b5992d5621a32260c2f

  • \Windows\SysWOW64\svchostdllx.exe

    Filesize

    428KB

    MD5

    137cb2835b1d91386ac2b1b565c6492d

    SHA1

    acc7213b0b856db29aa6d10b49884c432a05e75f

    SHA256

    a8cea204954ffa11134f0be8ac0fed6c9939b54c369cc7f8312059c0a601c390

    SHA512

    b55cb7be2a077006497aa6cd08459fa9a000bce6eb970a1dd2a28143c3859a1ee26edadb6890d6de848701bbc7c6373ef35f051ebdaaac296e6afc8b32fba688

  • \Windows\SysWOW64\svchostdllx.exe

    Filesize

    428KB

    MD5

    137cb2835b1d91386ac2b1b565c6492d

    SHA1

    acc7213b0b856db29aa6d10b49884c432a05e75f

    SHA256

    a8cea204954ffa11134f0be8ac0fed6c9939b54c369cc7f8312059c0a601c390

    SHA512

    b55cb7be2a077006497aa6cd08459fa9a000bce6eb970a1dd2a28143c3859a1ee26edadb6890d6de848701bbc7c6373ef35f051ebdaaac296e6afc8b32fba688

  • \Windows\SysWOW64\svchostdllxhk.dll

    Filesize

    24KB

    MD5

    9ac9028338d1b353a7cacb563bb91df7

    SHA1

    a20c5dee8f05c91686324cec2d5b092bafe58339

    SHA256

    93c0e7f41d5d74217189e4cc2d5cdb8f97d8e5eeef0a0dcf4cecd67e3393682c

    SHA512

    ac83c8f7b6fe913487015d8d7a2e430e917d230b6b2907150f6c4a73bf64c3a02320dddc29fea03db5df8ac5620d8a902fe7be80ba1b1bd1e6f5b8b1b016ddfe

  • \Windows\SysWOW64\svchostdllxhk.dll

    Filesize

    24KB

    MD5

    9ac9028338d1b353a7cacb563bb91df7

    SHA1

    a20c5dee8f05c91686324cec2d5b092bafe58339

    SHA256

    93c0e7f41d5d74217189e4cc2d5cdb8f97d8e5eeef0a0dcf4cecd67e3393682c

    SHA512

    ac83c8f7b6fe913487015d8d7a2e430e917d230b6b2907150f6c4a73bf64c3a02320dddc29fea03db5df8ac5620d8a902fe7be80ba1b1bd1e6f5b8b1b016ddfe

  • \Windows\SysWOW64\svchostdllxhk.dll

    Filesize

    24KB

    MD5

    9ac9028338d1b353a7cacb563bb91df7

    SHA1

    a20c5dee8f05c91686324cec2d5b092bafe58339

    SHA256

    93c0e7f41d5d74217189e4cc2d5cdb8f97d8e5eeef0a0dcf4cecd67e3393682c

    SHA512

    ac83c8f7b6fe913487015d8d7a2e430e917d230b6b2907150f6c4a73bf64c3a02320dddc29fea03db5df8ac5620d8a902fe7be80ba1b1bd1e6f5b8b1b016ddfe

  • \Windows\SysWOW64\svchostdllxwb.dll

    Filesize

    40KB

    MD5

    21d4e01f38b5efd64ad6816fa0b44677

    SHA1

    5242d2c5b450c773b9fa3ad014a8aba9b7bb206a

    SHA256

    3285df0c25d4b9b6d5ccbe166a3ce3d04f5cb3a0d61c8bf29bf5f953e51b0977

    SHA512

    77dae941676a56664da89c7670d29ed5402032c8040df1cc231986733c78f0dc56c41f7a276ec9ea8336e3fa2bfc68d3121048e9585bf0d8a98917d799f669b8

  • memory/988-73-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/988-89-0x0000000000400000-0x00000000004B6000-memory.dmp

    Filesize

    728KB

  • memory/1276-72-0x00000000024E0000-0x0000000002596000-memory.dmp

    Filesize

    728KB

  • memory/1452-54-0x0000000075041000-0x0000000075043000-memory.dmp

    Filesize

    8KB