7b9051dfa2206e1d22fc7d83d185a1d1a3f797bf3a3d8d10b2de5bd52d97db29

Analysis

max time kernel
119s
max time network
93s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/09/2024, 00:11

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General

Target

e9815b847f020ffcf834735044739160N.exe
Size

68KB
MD5

e9815b847f020ffcf834735044739160
SHA1

85d1d02b4c705c31c59745fb7d49becb1dc0536c
SHA256

7b9051dfa2206e1d22fc7d83d185a1d1a3f797bf3a3d8d10b2de5bd52d97db29
SHA512

d4aca705a30d626f9814d5c9ce00643e0d9ca53b102f100879671babdf49863a56e350f2bd0cdc4f276d11f743baf4fbc040584343f098201d70923ca11065f9
SSDEEP

768:kBT37CPKKIm0CAbLg++PJHJzIWD+dVdCYgck5sIZFlzc3/Sg2aDM9uA9DM9uAFzm:CTWn1++PJHJXA/OsIZfzc3/Q8zxSLL

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4656) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
ransomware

UPX packed file 4 IoCs

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

upx

resource	yara_rule
behavioral2/memory/756-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x0009000000023401-2.dat	upx
behavioral2/files/0x0004000000022933-6.dat	upx
behavioral2/memory/756-900-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\Microsoft.Win32.Registry.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Tools.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\blacklisted.certs.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Constantia-Franklin Gothic Book.xml.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-ul-phn.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsyml.ttf.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\7-Zip\Lang\uk.txt.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\vstoee.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqloledb.rll.mui.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Thread.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Extensions.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jre-1.8\bin\WindowsAccessBridge-64.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\ShapeCollector.exe.mui.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription1-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\123.0.6312.123.manifest.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-phn.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-file-l2-1-0.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\System.Xaml.resources.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ul-phn.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CSS7DATA0009.DLL.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogoSmall.contrast-black_scale-80.png.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\lpklegal.txt.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_jpn.xml.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\orb.idl.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Grace-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\jawt.lib.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProVL_KMS_Client-ul.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-synch-l1-1-0.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\ReachFramework.resources.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-profile-l1-1-0.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-180.png.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogoSmall.contrast-black_scale-140.png.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\clrjit.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Java\jre-1.8\bin\prism_common.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Grace-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationClientSideProviders.resources.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.DataAnnotations.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\resources.pak.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ul-oob.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Dallas.OAuthClient.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\dbgshim.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\WindowsFormsIntegration.resources.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Retail-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Trial-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Diagnostics.StackTrace.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0409-1000-0000000FF1CE.xml.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial2-ul-oob.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ppd.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-pl.xrm-ms.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientLangPack2019_eula.txt.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	e9815b847f020ffcf834735044739160N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsen.xml.tmp	e9815b847f020ffcf834735044739160N.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	e9815b847f020ffcf834735044739160N.exe

C:\Users\Admin\AppData\Local\Temp\e9815b847f020ffcf834735044739160N.exe
"C:\Users\Admin\AppData\Local\Temp\e9815b847f020ffcf834735044739160N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:756

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\$Recycle.Bin\S-1-5-21-1194130065-3471212556-1656947724-1000\desktop.ini.tmp

Filesize
68KB

MD5
c2d17956594db09060f4bef006d75be1

SHA1
7cb5198b9e60f1492d787d7e206ca205abefdc29

SHA256
5e0b6bbb6cd0e29d4c0b960143a4d0671737327bbd619a5feccdae10ebe7ce52

SHA512
988057888d0f244173ea7068309258f4520e6932ba2686ed49b37ab3fba85af382a8ef4389b1f1e4648383cbc856f052c39d2c01f6a85a777f6fab121146e215

Download Submit
C:\Program Files\7-Zip\7-zip.dll.tmp

Filesize
167KB

MD5
9759c76d6404cf43bf61ed192b654b00

SHA1
c17139f55df8eebda7a5f7b278d177d6a1c7501a

SHA256
6c834fc5d29aa6cbcc33240abfd4bc93088d1c6905243cb4b42de3dd247f3548

SHA512
4a77bbbcddca66a3f977919732aa88b68ae8e2fa94b2f6288b5138650de3e3e7f7cf6f46ee832e19463a3a23390d17b05b3a9a70db5d2d3063c8175b316c070d

Download Submit
memory/756-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/756-900-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download