Analysis

  • max time kernel
    41s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220414-en
  • submitted
    24-05-2022 03:06

General

  • Target

    91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

  • Size

    2.0MB

  • MD5

    dc4987d67367520d42467a4c74ccbd7d

  • SHA1

    1f86f81c05502bed9a28768757515dcb43fa6fb0

  • SHA256

    91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c

  • SHA512

    c8922242702410a508dd3e73e5db8e498fd635671ed51b468164e9003a603f9446980061a4ba34260aeb9fc4072e68af6ed6cbe77fefca641329a97097a3a5f1

Malware Config

Signatures

  • ElysiumStealer

    ElysiumStealer (previously known as ZeromaxStealer) is an info stealer that can steal login credentials for various accounts.

  • ElysiumStealer Payload 1 IoCs
  • ElysiumStealer Support DLL 1 IoCs
  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 8 IoCs
  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe
    "C:\Users\Admin\AppData\Local\Temp\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe"
    1⤵
    • Modifies system executable filetype association
    • Loads dropped DLL
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:1404
    • C:\Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2044
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2044 -s 640
        3⤵
        • Loads dropped DLL
        • Program crash
        PID:964

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    993KB

    MD5

    def2f420993c7111ac3eba4f5f7d3b15

    SHA1

    ec3ec0580062e5c2cc4e6f948fee2d45f0a14faf

    SHA256

    2cc971e53dcc25efc6975ae8f9a19fabb1d217374655a6ba735edd7695ecbc27

    SHA512

    b5427760deb83867a97e0f6c51466764b899e47e87e01d58d795e062bd418905d91d0bb28d8e4550ba701d6e7159515712029946285c456282750b00eb5973b6

  • C:\Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    1.1MB

    MD5

    fb8a0dc2ebc73e3300aad30b0ab5379c

    SHA1

    a3f59d8a54a5633a0079baf078a7dd2f3fa7222e

    SHA256

    0853d148c93b086ceab60a39fcbd8f27404a6a94511c66fd3ccaa3f93857faa1

    SHA512

    1a18b03634f524c5f50499bbf455afd160623e11e2b674a09eba797202ee522a191390a9b872198b9bca1ffdcd7fb8f8ad0302678dee25df0c8013f13a2314d8

  • \PROGRA~2\Adobe\READER~1.0\Reader\LOGTRA~1.EXE

    Filesize

    252KB

    MD5

    9e2b9928c89a9d0da1d3e8f4bd96afa7

    SHA1

    ec66cda99f44b62470c6930e5afda061579cde35

    SHA256

    8899b4ed3446b7d55b54defbc1acb7c5392a4b3bc8ec2cdc7c31171708965043

    SHA512

    2ca5ad1d0e12a8049de885b90b7f56fe77c868e0d6dae4ec4b6f3bc0bf7b2e73295cc9b1328c2b45357ffb0d7804622ab3f91a56140b098e93b691032d508156

  • \Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    1.1MB

    MD5

    a9bfd02a78e9b21cdfacd3b97f81e7e1

    SHA1

    76c49ef318185e6855d6ad4eb6caec0aa1487986

    SHA256

    03d14e6d190aaa6cf8a3ba3e2957ec20a2bead10f387d39505b14a28851f55bb

    SHA512

    0a13f9662512bdcd3e151f3d223b9238645d2a8c7adff7f09341cb6c6e28e461671bc00115560087862a5438250e28ef707306f51a32c0261c9622088ebc3e34

  • \Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    1.0MB

    MD5

    a207d0ea9d75cc8c66d3362f7cc95f39

    SHA1

    c49d55cb5ea2ad27cb55c80f6f1b74013d53cbe5

    SHA256

    09e2b05815c729c55ab84e4c6a168effb7b92566ddd76f77ff7d81325b17b6cd

    SHA512

    67050348299d1d04e4598b1bc3edb5b35450f87fe951ef0e244b9a8200dffb65cd8dcd0f0ff11bacd0f84255868872c6f6131c92bf6e96ecb0839369b3805451

  • \Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    1.1MB

    MD5

    5dcd1bfe185822e78f4dd54d47676eae

    SHA1

    ba10220f59c824742437c9b2ccdec451387c619a

    SHA256

    cadf8f3e87399f24f465bd681d33e72e4d40a04567f996737b3943b0759fbe40

    SHA512

    9b1863312339144f297fb54fb3e6b3d5da5225586c3d50ef776045dc6c1f6bed18c910eeab5c4a9121dc3f16b41f331955ac5d67e5cc9b8e3665258c162e1f4b

  • \Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    933KB

    MD5

    897cb9d3a3e2e430584af60d74fbeb27

    SHA1

    a3a90c9df8e7f15d0322ea8070cbf7b0b21ac1f2

    SHA256

    013ebaf163e5ff385f86108dbed7a20bec71603e461ab72ff40b639892fb6a7b

    SHA512

    2e6c4595cddefd1e603fd483d38b1468a755c654b2848a90694670313d163ca54e46ac6035615131c91da422daea86f2d1c9509b8d97a24da5ddd39d9bfb93d7

  • \Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    878KB

    MD5

    509abc7fde5a015aef1d1490cb6c4012

    SHA1

    47b2fb7ee375de58243f8da7197bfa0667108fd7

    SHA256

    513e0ae987d5ee5c1e8c6c04d6f26d58c8220a6ea39d57a3ca2d10190296b1eb

    SHA512

    3fb4685d595a2470e72ee8d936b49f1ec4c50c01f0ff108201458e59a7f264448f06c1ad66eadfd6ce8b24cc86d98cc98b8578b49321789fc45b5b246e026859

  • \Users\Admin\AppData\Local\Temp\3582-490\91da0c134350b0c47432593bf1d6d09bab05aa076c94c16cea90404fadbfed7c.exe

    Filesize

    895KB

    MD5

    896738a684b4792e1197acabc960b119

    SHA1

    6bf0accdec9bf7591738c72bd52cf1dd02ca6f6e

    SHA256

    3dcc23bd71152814c122b3e4e1bc9684d8a3d26ebf3137ca7bceef8ad2cf8121

    SHA512

    c8ce8de9572061fb78344549f59b57985eb41bfa817d8da1e6f0d81c30dbc6135f0f7f0901672991b0b47b33dc4bb12a1414e9f22d5be60aeae03e25bf31a8e5

  • \Users\Admin\AppData\Local\Temp\Runtime.MSIL.1.0.0.0\NativePRo.dll

    Filesize

    40KB

    MD5

    94173de2e35aa8d621fc1c4f54b2a082

    SHA1

    fbb2266ee47f88462560f0370edb329554cd5869

    SHA256

    7e2c70b7732fb1a9a61d7ce3d7290bc7b31ea28cbfb1dbc79d377835615b941f

    SHA512

    cadbf4db0417283a02febbabd337bf17b254a6eb6e771f8a553a140dd2b04efd0672b1f3175c044a3edd0a911ce59d6695f765555262560925f3159bb8f3b798

  • memory/964-64-0x0000000000000000-mapping.dmp

  • memory/1404-54-0x0000000075A61000-0x0000000075A63000-memory.dmp

    Filesize

    8KB

  • memory/2044-60-0x0000000000470000-0x000000000047C000-memory.dmp

    Filesize

    48KB

  • memory/2044-59-0x00000000011E0000-0x00000000013E4000-memory.dmp

    Filesize

    2.0MB

  • memory/2044-56-0x0000000000000000-mapping.dmp