438c6fd710e05fa42a4658bf72d172aa56ddc7167c380c8fb294425eb6f3788c

Analysis

max time kernel
120s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
01-09-2024 00:53

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

d32dbc29edce2fd1418d5b36f6f26810N.exe
Size

88KB
MD5

d32dbc29edce2fd1418d5b36f6f26810
SHA1

f1c8b3bc06c8cb54080a7fee248521dd2a3fb2e3
SHA256

438c6fd710e05fa42a4658bf72d172aa56ddc7167c380c8fb294425eb6f3788c
SHA512

639267f8e075ee7efd26b2cb122d2e3de661dd460d28a9f061a6c094b782e75aca666b57e51a79c15cad6e2f24487b9e5a7b129bcb14a5eb426aec5a5563e53c
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTXm7mEY6IY65:fnyiQSo7ZDsZ27

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3424) 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/4064-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023468-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/4064-692-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationClientSideProviders.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\public_suffix.md.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ssvagent.exe.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\meta-index.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav.xml.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.AeroLite.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-time-l1-1-0.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Json.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\de\PresentationUI.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebSockets.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Threading.Overlapped.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\ReachFramework.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_Grace-ppd.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsFormsIntegration.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\bg.pak.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green Yellow.xml.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Core.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\WindowsBase.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationFramework.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework-SystemXmlLinq.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Internet Explorer\de-DE\ieinstal.exe.mui.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Primitives.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\System.Windows.Controls.Ribbon.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Client\ucrtbase.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.policy.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial2-ppd.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-pl.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-math-l1-1-0.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\ReachFramework.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\GrantLock.avi.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\lib\logging.properties.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O17EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\chrome_wer.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-handle-l1-1-0.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationFramework.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\createdump.exe.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Xml.Serialization.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack200.exe.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Top Shadow.eftx.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PresentationFramework.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jcmd.exe.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ppd.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\bin\ktab.exe.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfxswt.jar.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-phn.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsBase.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\fontconfig.properties.src.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\icu_web.md.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-002C-0409-1000-0000000FF1CE.xml.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription1-ul-oob.xrm-ms.tmp	d32dbc29edce2fd1418d5b36f6f26810N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\WindowsFormsIntegration.resources.dll.tmp	d32dbc29edce2fd1418d5b36f6f26810N.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	d32dbc29edce2fd1418d5b36f6f26810N.exe

C:\Users\Admin\AppData\Local\Temp\d32dbc29edce2fd1418d5b36f6f26810N.exe
"C:\Users\Admin\AppData\Local\Temp\d32dbc29edce2fd1418d5b36f6f26810N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4064

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-1-5-21-355097885-2402257403-2971294179-1000\desktop.ini.tmp

Filesize
89KB

MD5
a8f1780ebc560837b66cd65e1fb67ba7

SHA1
f43ddb063f5943865397391e6a6dda6019184db1

SHA256
f57cf358e602b01c1a338e079c6fa3ab1e69eadb27f5afb2e98badf392ff0294

SHA512
bb7f660a62ccfdf9537cd37ff3ecf415491c5f3d0168e5c9c2911a48c0f6bf0b91998ec6f579d20fb476a257a8374e2dde726cbad5c7acdbf2ad91e69d1e80a9

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

Filesize
187KB

MD5
9ca26bfa795267272fc212acd74ed4c4

SHA1
846e06114e7a1ca5f651999d47539f03d5fe3e6c

SHA256
efbc34af8842edc1d023ebed60c63c3345d7f66b47741cce570e93b67fceb7ec

SHA512
0a0339baaf166fc2cdc813aabb9d99bdb5144b09014b0accdfd575e309c81eaa40768cdbe37430d7ade33e807623cee5f2a02edeb28331146b59a51d5f40024d

Download Submit
memory/4064-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4064-692-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download