7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6d

Analysis

max time kernel
150s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20240910-en
resource tags

arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
submitted
21/09/2024, 03:38

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General

Target

7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
Size

68KB
MD5

5ad9f5a91c3268cdba002d4bc7e1cd20
SHA1

cf0b8990cd71ef79d0fdebbe65bc7ffcff0b7688
SHA256

7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6d
SHA512

e2f9e406df13633b7a16a44cbaf8152374d867f4020e7d42b792bd4787e5d11d97e40b97147798ab4ac4a835f1d375223a9902a6e1324b52c283010fb050b940
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiQ/Gum/GM:V7Zf/FAxTWoJJ7TTQoQn

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5038) 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/1560-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000c000000023b1e-2.dat	upx
behavioral2/files/0x0004000000022941-6.dat	upx
behavioral2/memory/1560-764-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_PrepidBypass-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Grace-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Globalization.Calendars.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\PresentationFramework.Luna.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription2-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ppd.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogoSmall.contrast-white_scale-100.png.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\symbols\ja-jp-sym.xml.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.MemoryMappedFiles.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Diagnostics.Process.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Constantia-Franklin Gothic Book.xml.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ppd.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsym.ttf.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-private-l1-1-0.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\sqlxmlx.rll.mui.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription3-ppd.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdR_Retail-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Thread.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PAGESIZE\PGLBL103.XML.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.CodeDom.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\7-Zip\7zG.exe.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\InkObj.dll.mui.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.UnmanagedMemoryStream.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Expressions.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Drawing.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\ReachFramework.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationClient.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OMRAUT.DLL.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OWSSUPP.DLL.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\en-US\rtscom.dll.mui.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Reflection.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Text.Json.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\System.Windows.Forms.Primitives.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_OEM_Perp-pl.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ppd.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSHY7ES.LEX.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial2-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaps.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.ComponentModel.Primitives.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.Immutable.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.ValueTuple.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\thaidict.md.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngom.md.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_OEM_Perp-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\WindowsFormsIntegration.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\vulkan-1.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001F-0409-1000-0000000FF1CE.xml.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ul-phn.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SLINTL.DLL.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\osfFPA\addins.xml.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\de\System.Windows.Forms.Design.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationFramework.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-crt-conio-l1-1-0.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\OutlookR_Grace-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QRYINT32.DLL.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\MSOUC_COL.HXT.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\WindowsBase.resources.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.Win32.Registry.AccessControl.dll.tmp	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.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	7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe

C:\Users\Admin\AppData\Local\Temp\7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe
"C:\Users\Admin\AppData\Local\Temp\7aa49dc067157b2981d1cf42b56a809e19dfc899564434061db3079f1512be6dN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1560

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-1-5-21-2629364133-3182087385-364449604-1000\desktop.ini.tmp

Filesize
68KB

MD5
93ddd20eb12634b669818090005d59c4

SHA1
f37f26ec52b555c2fc3d070799387715c86078ec

SHA256
6ebbb400447a2bec555e9f14316fd2921419e3c2690fee336727ffe18e84816e

SHA512
7b8c486c6ef6014b5a714b77088d5bb3348b81c8cf70320584193e0dc358ff609cdac765494b9240fd63a41b494152f223b096a8b5db3a4a0b6c8b418334b1c2

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

Filesize
167KB

MD5
c056152b0a11ece74e4980c9cff6d4a2

SHA1
3fe694f81181de447775b7031350d90b3d0cf632

SHA256
7af5e2a6dbd075c3a38d228e28c7bf35c62e28ea9d58c841b3d8b526038d88b5

SHA512
34e8753b959f93160ad06d64fc575455ddecd98a27ebb9ec18f0199590f9ec7fd4f51f4bb0c0a577552d9b879ad9d4723300580e83069f18ea0bd7d1c9b1381e

Download Submit
memory/1560-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1560-764-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download