af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd

Analysis

max time kernel
150s
max time network
148s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20-01-2025 09:13

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General

Target

af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
Size

408KB
MD5

4d67fab0f0ff041b0c90aafff035288d
SHA1

1a89a9b3e685fae24258367c386eef9582359acb
SHA256

af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd
SHA512

ddf9369f596685784dcdc5b82c5dfc343bdab2fbb528750657093e67c30f943ad250ca90255bcc1c321ea6f5e614b5e7320b9c3b3d855181531634b23466849d
SSDEEP

12288:rIZGNXkbvLbIZGNXkbvLis89iMGsSaOyi/A:rIZaXkbv/IZaXkbvWs89iMGsSaOyx

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4098) 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/4932-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b43-2.dat	upx
behavioral2/files/0x0004000000022916-6.dat	upx
behavioral2/memory/4932-558-0x0000000000400000-0x000000000040B000-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.ObjectModel.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\WindowsBase.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\UIAutomationClientSideProviders.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\UIAutomationClient.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ServiceWatcherSchedule.xml.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Input.Manipulations.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\af.pak.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es.pak.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\nl-NL\tipresx.dll.mui.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationNative_cor3.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jdwp.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\bcel.md.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-libraryloader-l1-1-0.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jre-1.8\bin\unpack.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProCO365R_Subscription-ppd.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+NewSQLServerConnection.odc.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.zh-tw.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\PresentationFramework.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\THIRDPARTYLICENSEREADME-JAVAFX.txt.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-pl.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.lv-lv.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\PresentationUI.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Internet Explorer\ja-JP\ieinstal.exe.mui.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.hi-in.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_KMS_ClientC2R-ul.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Trial-ppd.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdCO365R_SubTest-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Controls.Ribbon.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\colorimaging.md.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Client\msvcr120.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_Grace-ppd.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\word2013bw.dotx.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\ShapeCollector.exe.mui.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\dotnet.exe.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\splash.gif.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jre-1.8\bin\jp2native.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Debug.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\UIAutomationTypes.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\WindowsBase.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Diagnostics.EventLog.Messages.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\dnsns.jar.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\cs\WindowsFormsIntegration.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Csp.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Trial-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\deploy\messages.properties.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\mesa3d.md.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jre-1.8\README.txt.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdO365R_SubTest-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_OEM_Perp-pl.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\UIAutomationTypes.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\sunmscapi.jar.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_KMS_ClientC2R-ppd.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ul-phn.xrm-ms.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.WebSockets.Client.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\PresentationFramework.resources.dll.tmp	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.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	af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe

C:\Users\Admin\AppData\Local\Temp\af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe
"C:\Users\Admin\AppData\Local\Temp\af28bc2c2453388c4bf7cb8eeb3f7c44bfce718015fff693724e28b5858eedcd.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4932

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-1-5-21-3442511616-637977696-3186306149-1000\desktop.ini.tmp

Filesize
408KB

MD5
9918b47f384e12f7a69dbae5318e6355

SHA1
a7c970fc6e4fe340d5b2d40d6c1b0625cde02153

SHA256
43f3c30557324367d7ccf87d67ce872a655907b6e7c6a9c81172e61ad7b98e7d

SHA512
b5b02d321f72ae2e0e8090199bb633b56eefa239283969d1033ecf84ae60095d638e52b06c67878c6f59a2260eb3783f6b633d40fde39fa4ed39c51bd28e3656

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

Filesize
507KB

MD5
56bbfe6ec1a887d9387ea5612bd98532

SHA1
1ca031fc2114282b8ebdfa3e459c027525eb5e4c

SHA256
0fc905f6e2160aa8af707a130d825dcfd9bc9d0e6dec4f8a7a265ae426bb3970

SHA512
7771e80415556208b610bb6dde7544597e018b1052c00539552eaa4531fd0b5534582703f4d9f21b979e914c18b8acf87ed835164e82b4a5838d812d1d909dd3

Download Submit
memory/4932-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4932-558-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download