b4f2f1bbe44f61848e784a8c8e0c7e2b69bc763fcdddafb9071f5b3f71a9c3bf

Analysis

max time kernel
120s
max time network
119s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
05/08/2024, 16:24

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General

Target

ae67165b2c2bf195d61d45fe2be0e2e0N.exe
Size

48KB
MD5

ae67165b2c2bf195d61d45fe2be0e2e0
SHA1

9a4e16386e99da9153b2918b60948b23774aa0c4
SHA256

b4f2f1bbe44f61848e784a8c8e0c7e2b69bc763fcdddafb9071f5b3f71a9c3bf
SHA512

4f3d15a62f2b4c89069316d3fbed3b62cc24ae233b48217930e839f708646e1e23bedccc1e2b20d66ce5424c63ba3db0ba774c82f7dece6ddabacd2acec93c5a
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJXGiXZqVG:V7Zf/FAxTWoJJXUVG

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4638) 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/4264-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023613-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/4264-1830-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Memory.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pl\Microsoft.VisualBasic.Forms.resources.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\j2pcsc.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-ul-oob.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-environment-l1-1-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Serialization.Xml.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.AeroLite.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OneNoteVL_KMS_Client-ppd.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-pl.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ppd.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.VisualStudio.OLE.Interop.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\ktab.exe.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\hi\msipc.dll.mui.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\WindowsFormsIntegration.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\logging.properties.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\7-Zip\Lang\da.txt.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\System.Windows.Input.Manipulations.resources.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Security.Cryptography.Pkcs.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processthreads-l1-1-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-process-l1-1-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest4-pl.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_Trial-ppd.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_MAK-ul-oob.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019R_Retail-ul-oob.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientOSub2019_eula.txt.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Library\Analysis\ATPVBAEN.XLAM.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\EntityPicker.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Common Files\System\ado\msado25.tlb.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Drawing.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\mojo_core.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcR_OEM_Perp-ul-phn.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\7-Zip\Lang\ku.txt.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\t2k.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\jopt-simple.md.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Arial.xml.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Forms.Design.resources.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jabswitch.exe.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.powerpointmui.msi.16.en-us.xml.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTrial2-ppd.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-heap-l1-1-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\es\msipc.dll.mui.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Web.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Facet.thmx.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Slipstream.xml.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Trial-ul-oob.xrm-ms.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Container.NetFX40.exe.config.tmp	ae67165b2c2bf195d61d45fe2be0e2e0N.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	ae67165b2c2bf195d61d45fe2be0e2e0N.exe

C:\Users\Admin\AppData\Local\Temp\ae67165b2c2bf195d61d45fe2be0e2e0N.exe
"C:\Users\Admin\AppData\Local\Temp\ae67165b2c2bf195d61d45fe2be0e2e0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4264

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 --field-trial-handle=4236,i,10369132178352108590,11047993562598554317,262144 --variations-seed-version --mojo-platform-channel-handle=1300 /prefetch:8
1⤵
PID:452

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
48KB

MD5
40b3c7d239e697c359e95d2f363eacb6

SHA1
f1948d15b3d52619cbbb38af9152ffc6d3ac165f

SHA256
993899ec718525c9b49a63252dce6340191b3a7befbd4b0e4e37936bd0989da6

SHA512
1f455095bd368712dc2bd812e8025d510421ba92d558c830dd9af3babc3905aabdefffe57cbb11f04589d72678d0cb5ee4d9c610804ea835439958f7389de535

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

Filesize
161KB

MD5
27a9fb79da5875d5cf9e0fc982a07208

SHA1
6033049fbff3f4693e03b2d9507773195f67cf4f

SHA256
a66ebf136701f8ab49bb6bf82a18867dfbd487cd78908404802622b040f2734b

SHA512
80d0b7c908fc4fcb4c0669c59bd612a27fc89b49b7aebef3b01a14067ad1eb6945ec54f5e32361dcf46433010ab58426b8ea93a14eb5f1868da3b43fd41409b4

Download Submit
memory/4264-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4264-1830-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download