c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cd

Analysis

max time kernel
120s
max time network
94s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
28/09/2024, 19:38

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General

Target

c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
Size

56KB
MD5

74828fbd67c9c8815f3dc569a981bf40
SHA1

096e269263026275267b3436a547d1a33e502cb2
SHA256

c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cd
SHA512

66cbaaa4475164c782a45caa514285ccca97b962f38943c510a3f095603355671588daca9aaeb2e2728c5cbe285d75e7d1123aa7154676705d1ee9dcf13c9bed
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9Ro+QOViJfo+QOViJY8zG:V7Zf/FAxTWoJJ7TPUr8zdI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4602) 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/4072-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a00000002346c-2.dat	upx
behavioral2/files/0x0004000000022922-6.dat	upx
behavioral2/memory/4072-858-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationClient.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\System.Windows.Forms.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsFormsIntegration.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ul-oob.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Retail-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\CHART.DLL.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Uri.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\PresentationCore.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\ReachFramework.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\mesa3d.md.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jre-1.8\bin\jaas_nt.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-black_scale-140.png.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\CIEXYZ.pf.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\localedata.jar.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Microsoft.Data.ConnectionUI.Dialog.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\BORDERS\MSART12.BDR.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\UIAutomationClient.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jre-1.8\bin\java-rmi.exe.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProO365R_Subscription-ul-oob.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_K_COL.HXK.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\mshwLatin.dll.mui.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\TipRes.dll.mui.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessRuntime2019R_PrepidBypass-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\AppvIsvSubsystems64.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tabskb.dll.mui.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\fr\System.Windows.Forms.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.Design.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\unicode.md.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\giflib.md.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\v8_context_snapshot.bin.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jps.exe.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\images\cursors\win32_MoveDrop32x32.gif.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019R_Trial-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\PROTTPLV.PPT.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProR_OEM_Perp-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\7-Zip\Lang\af.txt.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\7-Zip\Lang\pa-in.txt.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Parallel.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Input.Manipulations.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-pl.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription2-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial5-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessEntry2019R_PrepidBypass-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsplk.xml.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationProvider.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\ReachFramework.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ru\Microsoft.VisualBasic.Forms.resources.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentVNextR_Retail-ppd.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial2-ul-oob.xrm-ms.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EXCEL_WHATSNEW.XML.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\Common Files\System\uk-UA\wab32res.dll.mui.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-stdio-l1-1-0.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.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	c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe

C:\Users\Admin\AppData\Local\Temp\c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe
"C:\Users\Admin\AppData\Local\Temp\c98cb77dae2ec0031af0f84e46b03b01ddeaa2fda8a613510c970af0c53de0cdN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:4072

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

Filesize
56KB

MD5
4fb8096c2bbd6423bf26f4cc64650e19

SHA1
410e77656dd5c03721e4724da5e72258d59c4248

SHA256
9918408d4db66cfa7ab2e08812f748edeaa9431596875038ccd27d8665fdba03

SHA512
0e586dfe6bdcb51efb1c67b726623c1853577987ab7bfb5dd5a5ce6069348d9dd4bdb4b8d4ad743d6c88eec867c29fa0cd5db19344eff278e3fa40d5fab22b74

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

Filesize
155KB

MD5
9dec3db280e249627fd01690cdc1bdac

SHA1
e31b26c44316b648e060f667544badc29cc08206

SHA256
7d8b68c74ab50a16434e78a5a55fe00bb28b7cc81d399e2c7fb983f17e9e4d36

SHA512
accf499789963d2b263906d24571bddd4c101fa1b1f16c5dd75c8c29ee9e309ea96aea48cdb16b7dd2ef66103be5b41c497e3071b6dde7dfa8ee9859a5765e39

Download Submit
memory/4072-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/4072-858-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download