42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190

Analysis

max time kernel
150s
max time network
124s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/08/2024, 20:59

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
Size

46KB
MD5

87ce7a73ba16a6ff99ec11b69ea0d89f
SHA1

abd0097fb82f9396fbf0abc5215ebc5745452ff0
SHA256

42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190
SHA512

7788a91464ca040dfc5da662fa16d6fc18e961fb4ed3f94a894a986832b1b92e7f4225a8e3141728497f113f1c4007c0d8388a1a41843fed919289a8e66d61c9
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJXGiXZqVP:V7Zf/FAxTWoJJXUVP

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5200) 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/4964-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023401-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/4964-1976-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\UIAutomationTypes.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\v8_context_snapshot.bin.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ONENOTE_COL.HXC.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLSLICER.DLL.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\TURABIAN.XSL.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.WebSockets.Client.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\netstandard.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Printing.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\UIAutomationClientSideProviders.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\logging.properties.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\xerces.md.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusEDUR_SubTrial-pl.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ct.sym.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Orange.xml.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Common Files\microsoft shared\MSInfo\msinfo32.exe.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\nb.pak.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excel-udf-host.win32.bundle.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Grayscale.xml.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest-pl.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\7-Zip\Lang\ka.txt.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\.version.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bn.pak.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Candara.xml.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\gl\msipc.dll.mui.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\System.Windows.Forms.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-ppd.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\PresentationUI.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\WINWORD_F_COL.HXK.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\[email protected]	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationCore.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\PresentationUI.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProDemoR_BypassTrial180-ul-oob.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL078.XML.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\msgr8fr.dub.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp3-pl.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.IO.Packaging.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Installer\setup.exe.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\plugin2\vcruntime140_1.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\rmid.exe.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcp120.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PSRCHSRN.DAT.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\sdxs\FA000000027\assets\Icons\NewCommentRTL.White.png.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\rsod\proof.es-es.msi.16.es-es.tree.dat.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\mscordaccore.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\tr\System.Windows.Forms.Design.resources.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\glib-lite.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunec.jar.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_Retail-ul-phn.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial2-pl.xrm-ms.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.uk-ua.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\santuario.md.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymt.ttf.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.ReportingServices.ReportDesign.Forms.dll.tmp	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.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	42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe

C:\Users\Admin\AppData\Local\Temp\42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe
"C:\Users\Admin\AppData\Local\Temp\42a893f789e3d13ae11c7f77c8b78efcd0c4d93472e687c6ad47fc0101526190.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4964

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
46KB

MD5
aabd3208a07f6101f87236e78fd033ec

SHA1
33ff1ec46380b7629981e039b7b2dc6f7c8d9b94

SHA256
e41dbaf4bb13b8cdbdf3236850e0083bdae6b539b7e52a60d053bd99327ae3d8

SHA512
7478f13cac512624e0328b839dc2b890da276c8f306de1be3ad13dcdad7dae028c9cae661b728da943b7fdae7e2d223c49c847e6d5d373a0768a068e91de6555

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

Filesize
145KB

MD5
f5551e15b809509a9ac1799339f1da80

SHA1
290dd2339cf9f9023deaf566765c0b5a11876dfa

SHA256
12ad6303f0e260546af1ab860313f1ca8a9ba74dda2ab292528b57012cdacfb0

SHA512
77c167e9dcdb268922339a4f082367e84374aae66c58195e46882153ce26ab8820bf01881812554fb0e2c1fd94431241f5940619d6a51fb52949ddc3b7952560

Download Submit
memory/4964-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4964-1976-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download