Analysis
-
max time kernel
149s -
max time network
137s -
platform
windows10-2004_x64 -
resource
win10v2004-20230220-en -
resource tags
arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system -
submitted
10/06/2023, 20:48
Static task
static1
Behavioral task
behavioral1
Sample
zero.exe
Resource
win10-20230220-en
Behavioral task
behavioral2
Sample
zero.exe
Resource
win10v2004-20230220-en
General
-
Target
zero.exe
-
Size
398KB
-
MD5
bd0a3c308a6d3372817a474b7c653097
-
SHA1
5ed36132872be3d5d94627b89f15a7369f68fba1
-
SHA256
d4c62215df74753371db33a19a69fccdc4b375c893a4b7f8b30172710fbd4cfa
-
SHA512
86c53974da682c9e55a181cacc3ba19a9bfd8df488c536c175695f28f79bb586722f4d6b061aaceb9d0db91996dd0a7e288f413c7d2562fbc5b6a305f747368f
-
SSDEEP
6144:tYcn3ge+gqzsSALff2TRLz1lTl8TFPUW+8sSZJMidVmXmVcXHU:ttQe+PzsfX2Tpz1daaWnVIgcE
Malware Config
Signatures
-
Modifies extensions of user files 6 IoCs
Ransomware generally changes the extension on encrypted files.
description ioc Process File opened for modification C:\Users\Admin\Pictures\CheckpointComplete.tif.encrypt zero.exe File opened for modification C:\Users\Admin\Pictures\GrantExit.tif.encrypt zero.exe File opened for modification C:\Users\Admin\Pictures\PushResize.png.encrypt zero.exe File opened for modification C:\Users\Admin\Pictures\SplitPop.png.encrypt zero.exe File opened for modification C:\Users\Admin\Pictures\TraceSelect.raw.encrypt zero.exe File opened for modification C:\Users\Admin\Pictures\UnblockUnregister.tiff.encrypt zero.exe -
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4238149048-355649189-894321705-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\FileRescue = "C:\\ZeroLocker\\ZeroRescue.exe" zero.exe -
Drops desktop.ini file(s) 2 IoCs
description ioc Process File created C:\Windows\assembly\Desktop.ini zero.exe File opened for modification C:\Windows\assembly\Desktop.ini zero.exe -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\assembly zero.exe File created C:\Windows\assembly\Desktop.ini zero.exe File opened for modification C:\Windows\assembly\Desktop.ini zero.exe
Processes
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
-
Filesize
64KB
MD59a00d2e350f930d916049154b9b0c39a
SHA15d5ef318180eea994120acee4af54a6c10e5ad67
SHA2561029aa71adf1860cf7224271c9c95e2aa8068e4d3518eb6b3a44b107159c9f26
SHA512928c1eb78562308d2ea02169b9e8c1e16a1edc45eb35fbf354da7edbd73e3e2535b4788f124384e53b3f75e36c56d49292d07dfd8d83e3b8f0102f2e14ffa222
-
C:\ProgramData\Package Cache\{7DAD0258-515C-3DD4-8964-BD714199E0F7}v12.0.40660\packages\vcRuntimeAdditional_x86\vc_runtimeAdditional_x86.msi.encrypt
Filesize140KB
MD5ffae6475ef7fd3177fef7dbd4caed2b5
SHA118fc5e13151cfbca67a019c68cb61d8c5a56bce6
SHA25612f0f109f5847566c0d2468b332dbd0f59082c58d493b3d9f857ad5421a519a8
SHA5120d6db7323b7fa98e6d37a72439b9dbf88afb8ab5cc6e8ef75ca2e0eb0abd16351a8335cbcbb639287f3b13065338b08d02e941c296ef216035b38d70a225b634
-
Filesize
32B
MD51892b67fb2e2075806a554ff4ee3cdc8
SHA1d530d2a08c62227d48714d82341a476ce4e4ea7a
SHA2561667efa73fa74b18e8d7307d63166caa39799ba1e112b4e02df74137b8794d08
SHA51238588a3fbf62e93578f29e9f8aa0c9b98971b652598de23cfe7d55da63bcecc58155feb1c84710eaf4c22416d9767c7db28b3a243068e9c7a8bc72b2d203ab86
-
C:\Users\Admin\AppData\Local\Google\Chrome\User Data\Default\shared_proto_db\MANIFEST-000001.encrypt
Filesize48B
MD58fc835eb508813d7708cf3d192eabfd8
SHA1b9a699ae6831eb7093c626518003c946d57de96d
SHA2564392097e4c4eaa30055724fae41d462b7b13617886469cfc27bab43b60249689
SHA512bc546bd9b13dfb698a78a6c5f56be8e25b2ac34af489a45c8f8340c0e3f1a8ca6db57d075bc3519e48c5c59e5d6f5f01bacdf6c7056bb04f4e7b0491537e0518
-
Filesize
8KB
MD5bfed0e7ad7285e32cc92304421afaed3
SHA18469abdae351d83ba173ea8ca3349d32b8ac1c35
SHA2566d171f5bc5c0169ae6a413eedbdac15e0ecefe5b354ff8a84f84ea1671be068d
SHA5129a4149896c5c85916f87e27128571d5e3f63771ef592f6f8ba44d10a8d0f4a7d68844a9a26976d9dd9cb09253e00238732b39826f074c4a23bd9563e35c03c3b
-
Filesize
8KB
MD5254151584c6890b2b051f6fc25513f3a
SHA161777c81d15a8d5246a235ad9fc315fbdd834c4b
SHA25603414b7561eb5fc208fa26342ea3ca8e60870ef66c8a86a47f27311ff7adb3c1
SHA51239ec107cfe4075d580ec636139572377a678d049970ebafe654de4a036feff87576cb083383ae9ac1010d16fcfbe8fe1fa08bc7c67a7a078fef54c93010558a3
-
Filesize
264KB
MD52af1f660d960a109e2aaba34a19213c3
SHA1e4d2ec67429423429c830df895307147e74886ea
SHA25698ce33dfb7677b25a74e0d20287950a93dfec356d075fd991a6c3c12fb31b625
SHA5124a68b9ddda00752d9292b712516be774fa3ffc530cfd941d5d2555578a1281e3ea0c53c4988b8b1cd837eda23f0ad1c5cb08d8fc9348d84b59d70472991c0262
-
Filesize
8KB
MD5d06ce0b89ae4bcdb9eea9c64f58311de
SHA1bd37afdc4dc433c09aa95fb0b45a401170214ddc
SHA2568dc7ddaa46b40cfe379cbcfc5e517b57e8002306489a99a12b07421ef13464b3
SHA512bbf21e40f12637ec37560b2e5e206b02f7a90c84ccbc1799111a920a5ea2c357e1575515d87a8bb45bbf57ba2133ab5876369147581fbc9c5556688e14af0c4b
-
C:\Users\Admin\AppData\Local\Packages\Microsoft.AccountsControl_cw5n1h2txyewy\Settings\settings.dat.encrypt
Filesize8KB
MD58806199d51f3d7388606cdd471a88afe
SHA1e6d10abbb61c3d3a2d01afac3e0eb6e308aae32a
SHA2564dceca35f4e74d3e7ea20fc076c57e775e944fb2e012208acd456563fca8d2d0
SHA51248ab0d477d98df628b472e86ca4728eb63aab89aa14161d0067f9bb62d9b92e630ae19d269cf699f08f80257de650c873dd6f117ca98b4d0a907b2f5aa4023fc
-
Filesize
63KB
MD5b739f1f024a0b076b55cb9fd624df1ce
SHA195758b7da57e2e6319c214f753d3e239e493f332
SHA2561ce89c379752579b9a506be45384354cb7d33c33ae547381002fc4b38a3b6a42
SHA51283ad750989bd13936a96790a80c63f7acb36ad742a20eb15ebc4ee3bb6aa4fef8960e15562ba14bcd00ece23eab00b2d88fc707fdc6dab333cf2eb6747731566
-
C:\Users\Admin\AppData\Roaming\Mozilla\Firefox\Profiles\jesyn8dv.default-release\storage\permanent\chrome\idb\3561288849sdhlie.sqlite.encrypt
Filesize48KB
MD547724d42b3cbf861ef0301ac95c705b9
SHA1e5c84c3e67c3d8fc1d56826113d6315fa26f2955
SHA25612632ed88713478f383b143315b5254abe3bfc78a9fc36a0d2700d5f7aad79a7
SHA5120fdac5f95222c32ac8a4500e68ff63daec03f8918f52b4426efb2c9efb1d87a3f97e6143404df65d5cec1d1932cab0d81387b3fe45a4075d916faf73cee863c8
-
Filesize
16B
MD5870454b4fee9aa9142823d15685cd382
SHA1c725d14ccfdebf0f78973de11ddedbe11e42e2c2
SHA256a9b89a534669e0f5d97ea5b7671e2151c923fb994a57836791f4f8d300e7403b
SHA512c56c5deaaf892e452730d456aa1ee73a2ae55663d8b0d3084499a6c535c3e8442a14f179002fb649095d6046c07bae99b3e4cd4bf364d06f24f199443d8a5efd