abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9

Analysis

max time kernel
120s
max time network
95s
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, 04:44

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General

Target

abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
Size

26KB
MD5

ab4f09d4e879eb06c9e18a77ddb9ce10
SHA1

36b98b6aed0a484f6f2e07a012a9af6d4477a096
SHA256

abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9
SHA512

1b11f30205d490fd476ba48f2bef052455a801600869f65617ca399ac8a26f7a9370063d2d5f73ffc7f9f29d83db99cea2a87f99be7e4cd1c5d3ec8a0c0287f0
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcI97LjLNLjLqOB:CTW7JJ7T1vJv2OB

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4680) 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/880-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233f6-2.dat	upx
behavioral2/files/0x0014000000022912-6.dat	upx
behavioral2/memory/880-999-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\ucrtbase.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jstatd.exe.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaSansRegular.ttf.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Client\ucrtbase.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-black_scale-180.png.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\System.Windows.Controls.Ribbon.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ul-oob.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\excel-udf-host.win32.bundle.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\FirstRunLogoSmall.contrast-black_scale-140.png.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OARTODF.DLL.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Net.Http.Json.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Xaml.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\PresentationCore.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\legal\jdk\mesa3d.md.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProVL_KMS_Client-ul-oob.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\WindowsFormsIntegration.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusVL_MAK-ppd.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\DataServices\+Connect to New Data Source.odc.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Xml.XmlDocument.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\Microsoft.Mashup.Client.Excel.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSOARIACAPI.DLL.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\keypad.xml.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\ja-jp.xml.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.VisualBasic.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial3-pl.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-locale-l1-1-0.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Grace-ppd.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Trial-pl.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Data.DataSetExtensions.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Security.Cryptography.Algorithms.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.DataContractSerialization.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\Microsoft.VisualBasic.Forms.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationFramework.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\EntityPickerIntl.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.WebHeaderCollection.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-math-l1-1-0.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_OEM_Perp-ppd.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Requests.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ca.pak.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-ul-oob.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardMSDNR_Retail-ppd.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\PowerPntLogo.contrast-white_scale-80.png.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\TipRes.dll.mui.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationProvider.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\thaidict.md.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\[email protected]	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\zipfs.jar.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Private.CoreLib.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\tr.pak.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Java\jre-1.8\bin\orbd.exe.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Microsoft Power Query for Excel Integrated\bin\System.Web.Mvc.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_OEM_Perp-ppd.xrm-ms.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\rtscom.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Primitives.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClient.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\UIAutomationClient.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pt-BR\WindowsBase.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\Microsoft.VisualBasic.Forms.resources.dll.tmp	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.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	abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe

C:\Users\Admin\AppData\Local\Temp\abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe
"C:\Users\Admin\AppData\Local\Temp\abb776128595817fbb82d8acd5f76ba87278b0ad67404b65e5a6e3ff9ccdeac9N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:880

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
26KB

MD5
3ed765fa7347d08401a1a303eb9c5d36

SHA1
9b8b2a66a6cba2f7a9b0388c4ff40484c039060e

SHA256
dd2914032d9cee1ce772033bdc06dddf790844f5af6938a49de8aa0c4f441a35

SHA512
c6288afbfda546b29f12f31679afa2649a323fea491b3478c433ce1909326c308af694b1dea47fab4316774f40b6a1e1ae76ee8c25573c812c676d4edaa3189a

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

Filesize
125KB

MD5
7386fa6464364b435e9843c5ecd49e24

SHA1
d4183dd04c04265d1fa4b4439772c9baaa027a92

SHA256
ebc3f680c4db3c7c7b23bf06aeeaab024df59cd137df8592ff0d5571120f3092

SHA512
9020e892767bd3927283ee13746dc39f30c7913f6fe33d70c2247b6852fd5e8c22dacff2ae2f56908ab071c8865c1611bb8ba0bab6e729a6a38dae1d8bdfdf56

Download Submit
memory/880-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/880-999-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download