89c2955518f18e5b96d7d72b66e1f87f82727b17c1b90834d86c53490300bf97

Analysis

max time kernel
158s
max time network
161s
platform
windows10-2004_x64
resource
win10v2004-20240226-en
resource tags

arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
submitted
24-05-2024 23:55

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General

Target

c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe
Size

7.3MB
MD5

c3d53f04557a9e8a701df46810b34d40
SHA1

5ea6ab95a69d3c2daf24a7f65cae95c5da366268
SHA256

89c2955518f18e5b96d7d72b66e1f87f82727b17c1b90834d86c53490300bf97
SHA512

f58db0166641ea69d02f5173cf85c6fcf2e76722c2a29acccdc7216416b79930d0bee268a08c2d7fe242d7a229fad858c04dfd9f5687208c9792ad081fcff795
SSDEEP

98304:stzqBZMMEM0MUMRMxMwMkfqbjxbSzGVr4W11/KsZfGpWqOJwN/:mqBZtlV1qKpkfqbjeGVr4wZfNnJw1

Score

9^/10

ransomware upx

Malware Config

Signatures

Renames multiple (1381) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware
Executes dropped EXE 2 IoCs

Processes:

Zombie.exe_choco.exe

pid process

1256 Zombie.exe
1872 _choco.exe

pid	process
1256	Zombie.exe
1872	_choco.exe

UPX packed file 5 IoCs

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

upx

Processes:

resource	yara_rule
behavioral2/memory/4764-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/memory/1256-6-0x0000000000400000-0x000000000040A000-memory.dmp	upx
C:\Windows\SysWOW64\Zombie.exe	upx
C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.exe	upx
behavioral2/memory/4764-37-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in System32 directory 2 IoCs

Processes:

c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe

description	ioc	process
File created	C:\Windows\SysWOW64\Zombie.exe	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe
File opened for modification	C:\Windows\SysWOW64\Zombie.exe	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe

Drops file in Program Files directory 64 IoCs

Processes:

Zombie.exe

description	ioc	process
File created	C:\Program Files\7-Zip\7z.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\System.Windows.Input.Manipulations.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\default_apps\external_extensions.json.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nb-NO\tipresx.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\ado\msader15.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\msdasqlr.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoCanary.png.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.fr-fr.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\uk-UA\msinfo32.exe.mui.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\eu.txt.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Dynamic.Runtime.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-debug-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\ja\UIAutomationClient.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\InspectorOfficeGadget.exe.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\TipTsf.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ShapeCollector.exe.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Text.Encodings.Web.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\ja\System.Windows.Forms.Primitives.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipshi.xml.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\Microsoft.Win32.Registry.dll.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\pl.txt.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\es\UIAutomationClientSideProviders.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main.xml.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-sysinfo-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\fr\System.Windows.Forms.Design.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\PresentationFramework.Royale.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\pt-BR\ReachFramework.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\7z.exe.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\cy.txt.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknumpad.xml.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Xml.XPath.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\zh-Hant\System.Windows.Forms.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2R32.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\System.Windows.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-stdio-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Text.Encoding.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\WindowsBase.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Reflection.DispatchProxy.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.25\ko\System.Windows.Controls.Ribbon.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msaddsr.dll.mui.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Reflection.Emit.Lightweight.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\UIAutomationProvider.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-core-datetime-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Extensions\external_extensions.json.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-GB.pak.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\tr\WindowsBase.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\api-ms-win-crt-environment-l1-1-0.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\Microsoft.WindowsDesktop.App.runtimeconfig.json.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ar-sa.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.25\System.Threading.Tasks.Extensions.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Web.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\System.Drawing.Common.dll.tmp	Zombie.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.0\System.Private.Uri.dll.tmp	Zombie.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.0\es\UIAutomationClient.resources.dll.tmp	Zombie.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\gu.pak.tmp	Zombie.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tabskb.dll.mui.tmp	Zombie.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

_choco.exe

description pid process

Token: SeDebugPrivilege 1872 _choco.exe

description	pid	process
Token: SeDebugPrivilege	1872	_choco.exe

Suspicious use of WriteProcessMemory 5 IoCs

Processes:

c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe

description	pid	process	target process
PID 4764 wrote to memory of 1256	4764	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe	Zombie.exe
PID 4764 wrote to memory of 1256	4764	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe	Zombie.exe
PID 4764 wrote to memory of 1256	4764	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe	Zombie.exe
PID 4764 wrote to memory of 1872	4764	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe	_choco.exe
PID 4764 wrote to memory of 1872	4764	c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe	_choco.exe

C:\Users\Admin\AppData\Local\Temp\c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe
"C:\Users\Admin\AppData\Local\Temp\c3d53f04557a9e8a701df46810b34d40_NeikiAnalytics.exe"
1⤵
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
PID:4764

C:\Windows\SysWOW64\Zombie.exe
"C:\Windows\system32\Zombie.exe"
2⤵
- Executes dropped EXE
- Drops file in Program Files directory
PID:1256

C:\Users\Admin\AppData\Local\Temp\_choco.exe
"_choco.exe"
2⤵
- Executes dropped EXE
- Suspicious use of AdjustPrivilegeToken
PID:1872

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3644 --field-trial-handle=3084,i,4016110471176367543,14287608422419064331,262144 --variations-seed-version /prefetch:8
1⤵
PID:1352

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-3808065738-1666277613-1125846146-1000\desktop.ini.exe
Filesize
41KB

MD5
4e933a76022370f81b43c51753218e6a

SHA1
4f70eb0434ce122c03c26feab7749f7dee2d8b09

SHA256
ca5e2169e58b8a9696a1862ff875c4cf2c14133fc4ad82f7abc44610b79377fc

SHA512
4c6cce4779b282bd2c56c1f9048713a826878fe27f26f8b9a554ed66eb88296df982b247786dbbc09a7ff7d9241fafd7843b099122aee365a0264cd21c201781

Download Submit
C:\Users\Admin\AppData\Local\Temp\_choco.exe
Filesize
7.3MB

MD5
dd6b75a77601d62ac66df1b0a51a7de3

SHA1
699fc35deccb0cd6e341420903fc993535c2c98f

SHA256
2f46a1d48e1589e0aa10f215e77cb48fb90c531e19aa3c05d766f59b449f3c15

SHA512
43bd57e5379c22494aade734a45a443722327d48c7f06aa521048c99adba576e29bd70bba7bd28ba94f8f24f88efed7b8e5a1b3249cbfcb4d95fd0bc1f424d86

Download Submit
C:\Users\Admin\AppData\Local\Temp\config\chocolatey.config.1872.update
Filesize
9KB

MD5
14ffcf07375b3952bd3f2fe52bb63c14

SHA1
ab2eadde4c614eb8f1f2cae09d989c5746796166

SHA256
6ccfdb5979e715d12e597b47e1d56db94cf6d3a105b94c6e5f4dd8bab28ef5ed

SHA512
14a32151f7f7c45971b4c1adfb61f6af5136b1db93b50d00c6e1e3171e25b19749817b4e916d023ee1822caee64961911103087ca516cf6a0eafce1d17641fc4

Download Submit
C:\Users\Admin\AppData\Local\Temp\config\chocolatey.config.backup
Filesize
809B

MD5
8b6737800745d3b99886d013b3392ac3

SHA1
bb94da3f294922d9e8d31879f2d145586a182e19

SHA256
86f10504ca147d13a157944f926141fe164a89fa8a71847458bda7102abb6594

SHA512
654dda9b645b4900ac6e5bb226494921194dab7de71d75806f645d9b94ed820055914073ef9a5407e468089c0b2ee4d021f03c2ea61e73889b553895e79713df

Download Submit
C:\Users\Admin\AppData\Local\Temp\logs\chocolatey.log
Filesize
805B

MD5
c53ccbbca5843a39d1753967842abafe

SHA1
0374f71ca48bf9d8c81f98afff0099fff638f5fb

SHA256
da2a188a86648cc5536d51c85beb2d3ba81532063c2767783926b7145e3a0747

SHA512
3d9ea6dd38319b3442b3d184bbe1b42aaf8d651ca261d78b4158e7b9aa2d47ebbd49a829f362f5e4aea9527c8cfc445e756e851591801af2dc17f63274e85568

Download Submit
C:\Users\Admin\AppData\Local\Temp\logs\chocolatey.log
Filesize
2KB

MD5
b750e80c97360e5799a4c5b2cabb0caa

SHA1
9f19de6edde9c66103a7ffcc5fe738601b6ba907

SHA256
3e4293ef7ff3b68a87cc000f4a2ab853ec79b345c5e0211f466cf3ab93a42a4f

SHA512
187419288c16d6acb0f074f3bf1214795568f3cc615ed0bbbcbd2bbb3c1ed9ef3b3ea8a41888f4f7af906abd6d2e4147226f981a34ae3b6d777cca781df26036

Download Submit
C:\Users\Admin\AppData\Local\Temp\logs\chocolatey.log
Filesize
4KB

MD5
4f99ea29ed2c6ec241f49e30b7c0082c

SHA1
061e8ccc69c790343eed112f11de04a835d895d8

SHA256
b8a40c5f71686e52c171ab37e98f43e02a85dbe2df47200639622e19e4b49a7c

SHA512
97880237a700943e104991e7749427ccceb3c0eeb60f3622ae1f16d736929ea5d07e0b054d32dbf4668465b192d7abcebdfe636db221e19c1511a0882ead451b

Download Submit
C:\Users\Admin\AppData\Local\Temp\redirects\cpush.exe.ignore
Filesize
2B

MD5
81051bcc2cf1bedf378224b0a93e2877

SHA1
ba8ab5a0280b953aa97435ff8946cbcbb2755a27

SHA256
7eb70257593da06f682a3ddda54a9d260d4fc514f645237f5ca74b08f8da61a6

SHA512
1b302a2f1e624a5fb5ad94ddc4e5f8bfd74d26fa37512d0e5face303d8c40eee0d0ffa3649f5da43f439914d128166cb6c4774a7caa3b174d7535451eb697b5d

Download Submit
C:\Windows\SysWOW64\Zombie.exe
Filesize
41KB

MD5
6ec33598531474fbfcf3e4229a62b906

SHA1
6a1cb57da80d705742ae04354cdc492aca0802a1

SHA256
998edbcecdd0c59f9249029af941c1c785f5d3968c939b6d1f0fce40583f45b2

SHA512
9e30ea71fa2e4d6b9684f404e1a60e350dca7b10b4e291803b2d5d72d66bb2cc1adf61ad3877ce0ad516e1bae257991cd2898692dc41d2a904f8017eba7d7864

Download Submit
memory/1256-6-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1872-136-0x0000000003170000-0x0000000003190000-memory.dmp

Filesize
128KB

Download
memory/1872-322-0x000000001E650000-0x000000001E6A0000-memory.dmp

Filesize
320KB

Download
memory/1872-323-0x000000001E720000-0x000000001E796000-memory.dmp

Filesize
472KB

Download
memory/1872-332-0x000000001E600000-0x000000001E61E000-memory.dmp

Filesize
120KB

Download
memory/1872-86-0x00007FF894140000-0x00007FF894C01000-memory.dmp

Filesize
10.8MB

Download
memory/1872-47-0x0000000000870000-0x0000000000FB6000-memory.dmp

Filesize
7.3MB

Download
memory/1872-38-0x00007FF894143000-0x00007FF894145000-memory.dmp

Filesize
8KB

Download
memory/1872-464-0x00007FF894140000-0x00007FF894C01000-memory.dmp

Filesize
10.8MB

Download
memory/4764-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/4764-37-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download