Analysis

  • max time kernel
    150s
  • max time network
    181s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/10/2022, 10:09

General

  • Target

    03d90504ad422956839a4dec61fe4ad4659c1aafbdad2ca7141ff59fd11ac90c.exe

  • Size

    315KB

  • MD5

    81a3b13758b665ca91ebd08165d73887

  • SHA1

    5c366ff39f6f320654da3bdfe1d77121ecd73a55

  • SHA256

    03d90504ad422956839a4dec61fe4ad4659c1aafbdad2ca7141ff59fd11ac90c

  • SHA512

    5ac1618019c216be8fd1b86cb0b7e2c6af66ed3b69db5934a7b11c90e95204b67b8bd9f181cd1cf042f92bb718b4194597678056358d43d376c369b5204b11f3

  • SSDEEP

    6144:91OgDPdkBAFZWjadD4smlJECBhT94JCWiU9dBPNaOCXOVO9P6BRilYU:91OgLdaXJEC/oCWlXBPN9AOLkP

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 4 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • NSIS installer 4 IoCs
  • Modifies registry class 63 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • System policy modification 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\03d90504ad422956839a4dec61fe4ad4659c1aafbdad2ca7141ff59fd11ac90c.exe
    "C:\Users\Admin\AppData\Local\Temp\03d90504ad422956839a4dec61fe4ad4659c1aafbdad2ca7141ff59fd11ac90c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3032
    • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\setup.exe
      .\setup.exe /s
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • Modifies registry class
      • System policy modification
      PID:5008

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\Codecv\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\chrome.manifest

    Filesize

    114B

    MD5

    d9400f2c4a1ecb08d461467643456bc2

    SHA1

    f5f3a5f85a8b1624af3cf2bb52605faa593baff0

    SHA256

    65648db95ef517ed9af5d2653792df9ab7967d699ce980bf443b891746ee85c0

    SHA512

    92831a43e78cbbcb5af0cb016e90c44d5c5c33c8ee47cc0065df15f21557ea4760d1ba7d3768733264f7f603f414e62a4d63223db9fc3be91e19e4af732d90dd

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\indexeddb.js

    Filesize

    1KB

    MD5

    5f8e8853e7da465c8cab5f3d51c8963d

    SHA1

    eb2cd63cef25f5d904016f7440dc7c470ab405e1

    SHA256

    2dbdac6311172d4c52ea482d4e48b68bee3c5694a7375fd7f72e6d7066d6fa42

    SHA512

    a746788aab4011b1570a828c46af3f39ff04101dfcbb5d69c7d3970a7cd60f47d38444d59cdc0cec5355a51af897129a84d2afaf7e0504cf43150e63ef1ef8d6

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\jquery.js

    Filesize

    91KB

    MD5

    4bab8348a52d17428f684ad1ec3a427e

    SHA1

    56c912a8c8561070aee7b9808c5f3b2abec40063

    SHA256

    3739b485ac39b157caa066b883e4d9d3f74c50beff0b86cd8a24ce407b179a23

    SHA512

    a693069c66d8316d73a3c01ed9e6a4553c9b92d98b294f0e170cc9f9f5502c814255f5f92b93aeb07e0d6fe4613f9a1d511e1bfd965634f04e6cf18f191a7480

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\jsext.js

    Filesize

    6KB

    MD5

    100e92d5d414e19f3d6d6c08f4db1a31

    SHA1

    80c047f9454b6265249b13ee55ed42137ad1dea3

    SHA256

    d887f665f7c867ac2693e7c34d879f2efa4d722fbcbb0dffd546aac15f8ca218

    SHA512

    ce1b96e4e873401fc7b2c2039a9ce001cf373dfae4df8337a533c3a33f751ec37660cfacd1a52211bd4433fb416d1e72ab7794b6bc8b6888f75fa8db45fa0166

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\lsdb.js

    Filesize

    1KB

    MD5

    0707e8e0a01d4313dddc2c536b2b41f1

    SHA1

    bba2c485f9f187e19563d0a017e9c4b3a7f4204e

    SHA256

    7e797a5761dea8063b397d214dd8fc60c3104a454698efd6e04d7650109c0234

    SHA512

    40a9de5f483f7d627d11270442a2de2e0ddf7f497d2d3012897773c8f361f58869bc05ba7ebf5675a2ee333703549f90a4a03b8a8b5d365739bdf25ad9bba1e9

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\prfdb.js

    Filesize

    1KB

    MD5

    9ca5f2e5472f8d23f557f4602dc1b5f0

    SHA1

    e1c7d5dc45e53543e99144c0bb0079de0ea8dde1

    SHA256

    cff5da6dc37ec0596f511268edcba09f9d1e1da1dcb091f6f18ae001cd97e0c2

    SHA512

    4f2454c69c4fa69398c5dd430e035419d99679af1eef359fd1ed4a6a365ecdf2a6d9db13586e4a134a56353bf245e0e7a426deeb435a71ae8513674515924c59

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\sqlite.js

    Filesize

    1KB

    MD5

    17fc005d6a18ce5aacb7e7ca7ae3e8a0

    SHA1

    dfef36543326238ad88171cfa1bd1576d306ccd7

    SHA256

    03058926c24fea7d62ed6b4323a408984ea92dc8ca950017ba791ea8c6fa9860

    SHA512

    cfe86474c584d242f671d0c2bb2a2e327495315fb12f256d341668bf578b3d26fdbf75330dfbe2541e845d35ac2b4be4d448d73fa9c5eef495962443536d0d5e

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\content\wx.xul

    Filesize

    228B

    MD5

    f2111791146ba35bc090f2cfb0647729

    SHA1

    a27203b95a84c82b022a165f3bb85c350415c447

    SHA256

    da3abe1b78e5193aaf1b6abf0d2c816d815079e1c2439b88f6f78fc9cbb117d6

    SHA512

    018fe230a1dafea52cd0c1d42ad3b47b435625e34581d6b1fdbf1062457c5889f5ddc4e0fa908fc6e5066de7895a8762c0326bb82dca354882df6cf80b9ed4d6

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\[email protected]\install.rdf

    Filesize

    676B

    MD5

    9e361eb2748daab3974efeb39fdc4e3e

    SHA1

    c5b16b4cacc38d61f7ad3ad36e67019f73fd3d62

    SHA256

    cb13b70e71a075190cbace305c4fc0d8bd474d80bde7f59cf6a05d1cd88bd7da

    SHA512

    fbff1aa97be2eeec3b6aade9b42fea592468b7192b79fe62b1031744c508fddbc7e3ae01df06d725636697142bc90e53bfa235ee9c94fcce41039ec343faa650

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\background.html

    Filesize

    5KB

    MD5

    fd9267ba15efed4c241722da2b35eeb5

    SHA1

    3f13432bb1cadbd29e10fdc75a856857f35ff128

    SHA256

    39bf202651113c820dc1c36831817ac502fa015c46b0c8ebb390eb88b376a135

    SHA512

    51c78ac24a9489d1eebfed6ab7a6a5e6fd3ac6e93ab3f510a257392f575aa91753c03705964fb371120b41a052f0a44a46cf6f2f13692d433dabb154cebe18bb

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\bhoclass.dll

    Filesize

    139KB

    MD5

    4b35f6c1f932f52fa9901fbc47b432df

    SHA1

    8e842bf068b04f36475a3bf86c5ea6a9839bbb5e

    SHA256

    2b4d643a8a14f060bf3885f872b36e5e1fe1e777ad94783ba9593487c8e1f196

    SHA512

    8716b9a8e46933bf29348254a68d1a21392bdbbe3b4d5010e55fe638d02cc04eb685e424d440f7c5b58ffbca82e5772dd95bef73fa831595c2ae9599f3b05a99

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\content.js

    Filesize

    735B

    MD5

    74092d0f3b7d7ab77ffb810c007c12da

    SHA1

    05f4aab193bdaa40d7892286034bf18b2274bb67

    SHA256

    c82dcac7959521f79a5ec036492212a33bbff2e19476477ead2570242c44e04c

    SHA512

    c353a3c02e6a2c1b42d0165f11da0f7aeeb729caad6b12d697b8f585281c6e482b56e376be293d8114f3104539f29007066942569e272274ca699c54f3808269

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\ockkcfgpdbolhchbnmhmdlmgnlohobmg.crx

    Filesize

    37KB

    MD5

    cd19ae2858c0d4453a646460fac48db4

    SHA1

    1e4350f0e5b7187e4479dfb30d916d300bdd97c6

    SHA256

    fc495f77c6120280a277829c797578a6c2377fe44ebbdc2bc9f4e1dde82e722c

    SHA512

    c301dd55e0ad741b07daed2f89e820106d842262b1db6b7387cfcc1d8527ac66d769159ee365ef8b686fe10e795b00384d5911ba8681b2a0e10d5202529e5f3e

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\settings.ini

    Filesize

    604B

    MD5

    fc559747c2a8371337bfc4b6da52e1c3

    SHA1

    8cf8c6917cb89d741a5ba3a9f25d794fc34fc45b

    SHA256

    2b051f6570050f29a28234762d196691f765bc3586e34883b3a327f5d47cf64c

    SHA512

    d18d33d693a1cecd45abf65a568f49d026a835211337df3e319c64f7759fe29eb8aacb33724b2e9f7164e508c69cf0a5e95724b908f5728cad0c3f1249b163dd

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b

  • C:\Users\Admin\AppData\Local\Temp\7zSB6A.tmp\setup.exe

    Filesize

    61KB

    MD5

    201d2311011ffdf6c762fd46cdeb52ab

    SHA1

    65c474ca42a337745e288be0e21f43ceaafd5efe

    SHA256

    15c0e4fd6091cda70fa308ea5ee956996f6eb23d24e44700bd5c74bf111cf2aa

    SHA512

    235d70114f391d9e7a319d94bdfc49665d147723379de7487ef76cfc968f7faa3191153b32ba1ab466caeeeeef4852381529a168c3acca9a8d5a26dfe0436f6b