2b26d6e3d0c44c813c0067269b821f58e5eb9373aa0545450579db7a56daafcd

Analysis

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

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
29/08/2024, 02:35

Sharing

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General

Target

629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
Size

78KB
MD5

629020e3c86c0cb5c7f2bcc6a9c8bdc0
SHA1

19ad9077e4a962d73289d3c240c13e82e0f0bc4f
SHA256

2b26d6e3d0c44c813c0067269b821f58e5eb9373aa0545450579db7a56daafcd
SHA512

0c4f7125741fefe45009745665af31612e6fb9022e753c93138b4ea5cdef6be5feaf70d70c1b6fa147fa49f52a391023317a9fd9b273ac509b9b32f74e1833f5
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJBZBZaOAOIB3jM2jMO/7OSoEXBwzEXBw2E4GP:V7Zf/FAxTWoJJB7LD2I2IbSEP

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4311) 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/316-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000900000002361c-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/316-786-0x0000000000400000-0x000000000040B000-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\msquic.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\Microsoft.VisualBasic.Forms.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\mr.pak.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jdk-1.8\lib\ct.sym.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\jsoundds.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\kinit.exe.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\security\java.security.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLINTL32.DLL.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\EduWorks Data Streamer Add-In\Microsoft.Office.Tools.Excel.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\attach.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\server\jvm.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr\profile.jfc.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-core-synch-l1-2-0.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProO365R_SubTest-pl.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ul-phn.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_OEM_Perp-ul-phn.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Microsoft.VisualBasic.Forms.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\lib\jfr.jar.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\oskmenu.xml.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationFramework.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Times New Roman-Arial.xml.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Retail-ppd.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationProvider.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\PresentationFramework.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ja\PresentationFramework.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Retail-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-pl.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Trial-pl.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\sl-SI\tipresx.dll.mui.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Xml.ReaderWriter.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l2-1-0.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_Grace-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdCO365R_Subscription-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Retail-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdVL_MAK-ppd.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\WindowsBase.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\gstreamer-lite.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp5-ppd.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\CERTINTL.DLL.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero2.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\hijrah-config-umalqura.properties.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad\ea.xml.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusiness2019R_Grace-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial4-ppd.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Trial-ul-oob.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipsjpn.xml.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-crt-process-l1-1-0.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\System.Windows.Forms.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_MAK_AE-ul-phn.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-crt-locale-l1-1-0.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\mscorrc.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\UIAutomationProvider.resources.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectPro2019XC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\FrequentOfficeUpdateSchedule.xml.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\bin\javafx_iio.dll.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Java\jre-1.8\legal\javafx\jpeg_fx.md.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-pl.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStd2019VL_KMS_Client_AE-ul.xrm-ms.tmp	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.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	629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe

C:\Users\Admin\AppData\Local\Temp\629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe
"C:\Users\Admin\AppData\Local\Temp\629020e3c86c0cb5c7f2bcc6a9c8bdc0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:316

C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4448,i,1602949858158667699,12464335823361976127,262144 --variations-seed-version --mojo-platform-channel-handle=4412 /prefetch:8
1⤵
PID:4752

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-1-5-21-2170637797-568393320-3232933035-1000\desktop.ini.tmp

Filesize
79KB

MD5
e21cedc9a1b8bf9a51e5f54cfb388298

SHA1
73573c38bbf88297e34f470384b5b1c988baee6b

SHA256
43a54934f6ef7e34d9050830e08c7df4a7219ab13df7d6dbb4669a4b04cb8ecd

SHA512
b85128ede9d726cfb8089c05c4cdab6801f376ffdd67e3b9302c9aeff09a0b0beb7c899a561c033ca99bfe6eea51af87442a20664794f000e32214ada5fe25b4

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

Filesize
191KB

MD5
9dc53434a12300bf651135ad125e536c

SHA1
f8ee40343a06f4cfd5f6af6f1fd1bf973c0a2a7e

SHA256
c3b14e60398090fe7b02ae0d3c220f65e9a51d8b55d752bfb34bbd542c471943

SHA512
971fb6b1e5f1c126ac395e940db212fd1647843640f85d0695fb15bcf620852ca04dc707ad77ee9a887656055734bd020524b4e97f65baf97ec6dbb4c5e45f55

Download Submit
memory/316-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/316-786-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download