7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36

Analysis

max time kernel
119s
max time network
102s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
19-09-2024 07:13

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General

Target

7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
Size

59KB
MD5

c40ace3b78dd231eaf43b73512174fe0
SHA1

8abff1ff196a2ffc35c4a6dceea04323baa694ef
SHA256

7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36
SHA512

412103a42f6ff9e80537e2bb30db7f0a094fedc519da6a560ef0be153bc11d7abff0eb44489d9c93a6abcf7352542c144a20619bfd83f5f91510f6e10bb22842
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJ1EXBwzEXBwdcMcI9tyC:V7Zf/FAxTWoJJ7T7yC

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4658) 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/388-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0008000000023439-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/388-960-0x0000000000400000-0x000000000040B000-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.Transactions.Local.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\cmm\GRAY.pf.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\GFX.DLL.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\System.Windows.Input.Manipulations.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\ReachFramework.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Xaml.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\System.Windows.Input.Manipulations.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\sql120.xsl.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\OneNoteLogo.contrast-black_scale-80.png.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Cng.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\idlj.exe.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\Xusage.txt.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\dynalink.md.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessVL_KMS_Client-ppd.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogo.scale-180.png.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogoSmall.contrast-white_scale-180.png.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.ServicePoint.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\ClientSub_M365_eula.txt.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Numerics.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\blacklist.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-datetime-l1-1-0.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial1-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\FPA_FA000000008\FA000000008.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\7-Zip\Lang\fur.txt.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\otkloadr_x64.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\System.Windows.Forms.Primitives.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\host\fxr\6.0.27\hostfxr.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\osknav\osknavbase.xml.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\System.Windows.Forms.Primitives.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\JAWTAccessBridge-64.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationFramework.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Calibri Light-Constantia.xml.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Access2019VL_MAK_AE-ppd.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Trial-ppd.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_OEM_Perp-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jjs.exe.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-rtlsupport-l1-1-0.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription5-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\javafx\public_suffix.md.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\SkypeForBusinessBasic2019_eula.txt.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-localization-l1-2-0.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-core-localization-l1-2-0.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-ul-oob.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\PresentationUI.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\WindowsBase.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\nashorn.jar.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_de.properties.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_OEM_Perp4-ul-phn.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTest2-pl.xrm-ms.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsb.ttf.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tabskb.dll.mui.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Buffers.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Input.Manipulations.resources.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\eventlog_provider.dll.tmp	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.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	7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe

C:\Users\Admin\AppData\Local\Temp\7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe
"C:\Users\Admin\AppData\Local\Temp\7a0993260a14e3119578eafe5530f689a506d7376aaf2900b1e0a1b3239bfa36N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:388

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-1-5-21-786284298-625481688-3210388970-1000\desktop.ini.tmp

Filesize
59KB

MD5
05471f44fdc581c30783451da7dfd179

SHA1
e4ae4b65be16b939ec65a12eba82082eb542fca6

SHA256
814946bc3c2ab32c81548ca82988b356a0e02190a79d42f9d05e2bf8c5624fe1

SHA512
9823f59f846174e655c22ac240b018aaa5f4e29c674314dfacc9c8d1a30a34470e12185fa96aade014d5a9a823e87508bf9f609332457771ed3d60bb51695ae2

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

Filesize
158KB

MD5
544b7172f1ede25c2bc12a4431ba03ee

SHA1
d185d4a843e89d3d16d60569357f5ed26abe0182

SHA256
12e7e1cbd1d5fededca07ed5cbe6d8a4c2bcf11d766005c9c03a0e0466aeceb1

SHA512
4641b14c364d309f982d6d94f1b80de87c9a784ecddacf5af8ee9b8d5413fbead5694090b65e57964c9f26896030d1947135706e7e67c24f476c2a8b837fecd2

Download Submit
memory/388-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/388-960-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download