c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c

Analysis

max time kernel
149s
max time network
150s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:23

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General

Target

c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
Size

22KB
MD5

2653283220f595118443fe6a4fd5d687
SHA1

a54102fe0279590f68e044c542746401456be2ba
SHA256

c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c
SHA512

262841e8123f952b07ca561f5eea5bd6405f32830e9b4f9fc9fc969555800fac18948a73f1740b0d4893c1c906ba4f0a46d539629600e447b41767dfb9da93bd
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJcbQbf1Oti1JGBQOOiQJhAT17JqGmGI:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJR

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4824) 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/1624-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x000a000000023c49-2.dat	upx
behavioral2/files/0x0014000000022905-6.dat	upx
behavioral2/memory/1624-659-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Office Theme.thmx.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL116.XML.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\7-Zip\Uninstall.exe.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Security.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\UIAutomationTypes.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\System.Windows.Forms.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\el.pak.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ppd.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Immutable.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\icu.md.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-pl.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excelcnvpxy.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.scale-80.png.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jre-1.8\bin\kinit.exe.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019VL_KMS_Client_AE-ul.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-pl.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019MSDNR_Retail-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Diagnostics.PerformanceCounter.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\PresentationFramework.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Drawing.Common.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\unpack200.exe.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Primitives.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Data.DataSetExtensions.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Threading.Tasks.Dataflow.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-pl.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Console.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\WindowsBase.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-pl.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\7-Zip\Lang\hr.txt.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsita.xml.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.OSMUX.OSMUX.x-none.msi.16.x-none.xml.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Effects\Top Shadow.eftx.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp4-pl.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_KMS_Client-ul.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoianetutil.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\mscorlib.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.Primitives.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\webkit.md.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jre-1.8\lib\meta-index.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MYSL.ICO.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.contrast-black_scale-80.png.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ru\msipc.dll.mui.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPoint2019R_OEM_Perp-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalR_OEM_Perp-ul-phn.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOSVG.DLL.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\WindowsBase.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Internet Explorer\hmmapi.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ppd.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\Bibliography\Style\ISO690Nmerical.XSL.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoev.exe.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\System.Windows.Forms.Primitives.resources.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jre-1.8\bin\net.dll.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_it.properties.tmp	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.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	c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe

C:\Users\Admin\AppData\Local\Temp\c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe
"C:\Users\Admin\AppData\Local\Temp\c0957525c676f19621f4ac53a94491a2be4d2fc090ea52e57ab8fcc55994119c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1624

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-1-5-21-2045521122-590294423-3465680274-1000\desktop.ini.tmp

Filesize
23KB

MD5
80176c6535e84a8472a884fd8f26a71c

SHA1
f0931aa27fbf431f98c3f08b1260bc8a3e621cdf

SHA256
d72fef98ba1e4b0ceaeb8e6a49b8b8edb5bbcc7288e9426cf1e2e44ac919ac2e

SHA512
cbbccb516bfa38002290b60d066be31f33fdf3f38568f1f4d2d73a6011d4248846227420fd1c11b7b6bf8d35a7cfe824f742ce791117e2bb402a64cd200c6856

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

Filesize
121KB

MD5
5489c2bc2065240578d6a80f7f225079

SHA1
640b269fe3c0ce2628a7f1f27ae25ca079d80734

SHA256
ed5f2ea7496e24614854725d0772962d2a2a1b93f4afcda04feec6c64608246e

SHA512
5da2235a98139d96012c4ff255f64c65320ec1221d5a45eb8a785ad5744f8709eeb7761f4b0722d93919b9bd86f3da1ccaee330e169d917bc42b32dd471df0b9

Download Submit
memory/1624-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/1624-659-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download