Analysis

  • max time kernel
    147s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    25/01/2025, 21:49

General

  • Target

    516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd.exe

  • Size

    211KB

  • MD5

    f42abb7569dbc2ff5faa7e078cb71476

  • SHA1

    04530a6165fc29ab536bab1be16f6b87c46288e6

  • SHA256

    516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd

  • SHA512

    3277534a02435538e144dea3476416e1d9117fcddef3dcb4379b82f33516c3e87767c3b0d2b880e61a3d803b583c96d772a0bdeecbfc109fe66444e9b29216af

  • SSDEEP

    6144:zia1vcaEaA+HPsISAzG44DQFu/U3buRKlemZ9DnGAeWBES+:zHctWvVSAx4DQFu/U3buRKlemZ9DnGAn

Malware Config

Signatures

  • Detects Zeppelin payload 4 IoCs
  • Zeppelin Ransomware

    Ransomware-as-a-service (RaaS) written in Delphi and first seen in 2019.

  • Zeppelin family
  • Deletes itself 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd.exe
    "C:\Users\Admin\AppData\Local\Temp\516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\taskeng.exe
      "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\taskeng.exe" -start
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2868
    • C:\Windows\SysWOW64\notepad.exe
      notepad.exe
      2⤵
      • Deletes itself
      • System Location Discovery: System Language Discovery
      PID:2724

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB

    Filesize

    2KB

    MD5

    cbcc1b6ba4d53c94cf957f4052375a4e

    SHA1

    e1a3c0fe8be307f70fa76186af0c54d829e77f36

    SHA256

    2f9a549e940c54a86748cc9076a3992a3bc622101c005c2b7cc75b9820493b92

    SHA512

    eae558a54c6bc71382049d35f5eed6719040a858123c2e52f3cfc91a4167b7cd8668bf1220f169ed811f115ce8dab9fbb2b4f84860babd4139d132b63b516d2d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\204C1AA6F6114E6A513754A2AB5760FA_268232F9B7ADFD0751C3D83F667CFB78

    Filesize

    472B

    MD5

    8f150e49b43783ea7246e03456b0c2de

    SHA1

    36ba3040b347c8648c8686e05485493d29813b13

    SHA256

    03d4132435f19c7d4eec33ff1c624e9fe6e20c72494f46721f7e9dd973eb792b

    SHA512

    585a92686f6a5842531f0f58706b6951b566416ffbfb5669c34a2043bbb4494ae23ff54a397b33b072937f9a34f47070bb4654702e8bf103df509b4ce030909d

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    1KB

    MD5

    1377275d5101b19fca91b1d9c3598e4a

    SHA1

    1ae691c76fd89c93aae8d7cac235ef82f2def01d

    SHA256

    f198314ee09f7adc845d9fe2f67e9c06c63430c4b3ee0946d1e5b2a88d8bb997

    SHA512

    47fdadefaf686888a3ce69b646929229fb24bd9bb6082b031c5d54e2516eec1244c9c159d986a7456f6fdd0dbca143a55591ee37e8fbc65e2b37c3249e5a73b2

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\07CEF2F654E3ED6050FFC9B6EB844250_3F26ED5DE6B4E859CCCA6035ECB8D9CB

    Filesize

    484B

    MD5

    05d8278b560fe77c80d6e82f45fb5b36

    SHA1

    4ef6e43e02827bedb4166e1a84cf5602bc833d61

    SHA256

    a08e79efb459f20117b37fca8c4c48fc344d0dac30d8fc5a7bfde71ef89eff1f

    SHA512

    a147de50c1a1400f52bfb9b6b053008edf188687b74065158cfda5af18b2c2d1a331cb0b266baa3df6718d5c463c0825a08178d80ca74e572833375f3975f559

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\204C1AA6F6114E6A513754A2AB5760FA_268232F9B7ADFD0751C3D83F667CFB78

    Filesize

    488B

    MD5

    087cb852feebd7793b7bf7879a4bcc60

    SHA1

    1bd3572843c544904a43f0101c1b0361505d5279

    SHA256

    7f80ed2614cc0b29956028cc7cac93f48b8ac33e7979c35abf7545c2d042bf0a

    SHA512

    b39823baf7c2399b86b93aaabfb3b4ddfbcb214b8ee5491e1af4e55c5a623a8c7b514ed8f8b4d720230c9d0730402f613d3671b772f158d1d21e8182bb712326

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015

    Filesize

    342B

    MD5

    b5e26419dcc3ad8ada1152ee81d9df2b

    SHA1

    ae3e9ab57b97bf8731f12cc2c86e09660d80e277

    SHA256

    d53f151c928ce846884e29ba81e638ce918709218518d5c107517d12361dbfe4

    SHA512

    02218ed1c488947b6af4ef6241b18114989154c73dfe1defcdb563818101b8a783d41f2ebdfe53bb1b7d0d9010fd9ae3ebac339736c7bcb969f24be6fdb4e039

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\B2FAF7692FD9FFBD64EDE317E42334BA_D7393C8F62BDE4D4CB606228BC7A711E

    Filesize

    482B

    MD5

    aa765ad4741b71eed75474ee2785d76d

    SHA1

    a87b3a63e1e9fe3eb9e7460ac034f81666af0769

    SHA256

    e564706f155ee51906fac0541425f68d7634068ec6d73bcb835386feb688af47

    SHA512

    3a7c92480c36b1a1a8707e162a3e832beb083a0cc83207dd505b2caa3c97e76f3ba64e3955b833a6287660853f8991ad087d96a456dd55f0f09db547ae2500f3

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\DUME8XYE\A84LO6QZ.htm

    Filesize

    190B

    MD5

    6ebbeb8c70d5f8ffc3fb501950468594

    SHA1

    c06e60a316e48f5c35d39bcf7ed7e6254957ac9e

    SHA256

    a563426e24d132cd87b70d9cb5cd3d57c2e1428873a3f3eb94649cf42e37b6a1

    SHA512

    75cfab1c9f5a05c892cf3b564aed06d351c6dc40048faea03ae163154ff7635252817d66b72a6ef51c4f895eebf7728f302df51148acce2a0c285502bf13652c

  • C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\NT668XG4\T5MHXNLL.htm

    Filesize

    18KB

    MD5

    99a5ced9dfb5824225a0fab4c74a7b46

    SHA1

    f0ebed42f94fabe0c10dcf1eb3eb084a904e144a

    SHA256

    44b3cbfb57079b2570e5ae94942d8e00ce0291c26317c2649a41101018bab25a

    SHA512

    2966164e08f60aaa0078dbfee9f4d5521b5c02525dbbad4ac14df0d6be948ba98ae1da33e05ceec07abd6d8a18278c399629621803acdccc91019372fa3152ce

  • C:\Users\Admin\AppData\Local\Temp\CabE072.tmp

    Filesize

    70KB

    MD5

    49aebf8cbd62d92ac215b2923fb1b9f5

    SHA1

    1723be06719828dda65ad804298d0431f6aff976

    SHA256

    b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

    SHA512

    bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

  • C:\Users\Admin\AppData\Local\Temp\TarE15F.tmp

    Filesize

    181KB

    MD5

    4ea6026cf93ec6338144661bf1202cd1

    SHA1

    a1dec9044f750ad887935a01430bf49322fbdcb7

    SHA256

    8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8

    SHA512

    6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b

  • \Users\Admin\AppData\Roaming\Microsoft\Windows\taskeng.exe

    Filesize

    211KB

    MD5

    f42abb7569dbc2ff5faa7e078cb71476

    SHA1

    04530a6165fc29ab536bab1be16f6b87c46288e6

    SHA256

    516475caf3fbd1f0c0283572550528f1f9e7b502dce5fb6b89d40f366a150bfd

    SHA512

    3277534a02435538e144dea3476416e1d9117fcddef3dcb4379b82f33516c3e87767c3b0d2b880e61a3d803b583c96d772a0bdeecbfc109fe66444e9b29216af

  • memory/2308-90-0x00000000010D0000-0x0000000001210000-memory.dmp

    Filesize

    1.2MB

  • memory/2724-72-0x00000000000A0000-0x00000000000A1000-memory.dmp

    Filesize

    4KB

  • memory/2724-66-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2868-104-0x0000000000F20000-0x0000000001060000-memory.dmp

    Filesize

    1.2MB

  • memory/2868-105-0x0000000000F20000-0x0000000001060000-memory.dmp

    Filesize

    1.2MB