4278cdc700ab187a22cf63217d6d15a70fd589537927fe4ce1e9859413c99d3e

Analysis

max time kernel
120s
max time network
106s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
26-07-2024 12:33

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General

Target

0b17386631e0ceaff83d8019558bf980N.exe
Size

78KB
MD5

0b17386631e0ceaff83d8019558bf980
SHA1

f14aff16130c383fc8dc102055c115c6c1c3c0fe
SHA256

4278cdc700ab187a22cf63217d6d15a70fd589537927fe4ce1e9859413c99d3e
SHA512

52baf2b1762c201a82644cebb444e249dfcfe0a9c82b89ceade9df4966ba1308d96c48fdcea8e9f621d7e2091770f9d8d61e2c0077bec9cef0ea32aecfe4ea73
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8asUsK8/8A:fnyiQSohsUsxkA

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4001) 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/3068-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000234d4-2.dat	upx
behavioral2/files/0x0014000000022932-6.dat	upx
behavioral2/memory/3068-1640-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\PenImc_cor3.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\relaxngdatatype.md.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_pt_BR.properties.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jre-1.8\bin\t2k.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ppd.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Retail-ppd.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\rmic.exe.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jre-1.8\lib\currency.data.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ul-oob.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\pl\UIAutomationProvider.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\pkcs11cryptotoken.md.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectProMSDNR_Retail-ppd.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Runtime.Serialization.Xml.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Contracts.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ru\UIAutomationClient.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.Configuration.ConfigurationManager.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\management\jmxremote.password.template.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\libpng.md.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Collections.Immutable.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\af.pak.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Integration\C2RManifest.office32ww.msi.16.x-none.xml.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\msotdintl.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\mraut.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.IO.FileSystem.Primitives.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Diagnostics.Process.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\de\UIAutomationProvider.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\UIAutomationClientSideProviders.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_MAK-pl.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Subscription-pl.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessR_Retail-ul-phn.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_MAK-ppd.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\msquic.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\es\WindowsFormsIntegration.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaBrightItalic.ttf.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8.mp4.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-phn.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_Subscription-ppd.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Runtime.Intrinsics.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Internet Explorer\iexplore.exe.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\ext\nashorn.jar.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Grace-ul-oob.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\zh-phonetic.xml.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jre-1.8\lib\deploy\messages_it.properties.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\it\PresentationFramework.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ja\System.Windows.Input.Manipulations.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordR_Retail-ul-phn.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Forms.Primitives.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.Win32.SystemEvents.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\chrome_elf.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Excel2019R_OEM_Perp-pl.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\cs\UIAutomationProvider.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\FormatBlock.raw.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\api-ms-win-crt-convert-l1-1-0.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\clretwrc.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hant\System.Windows.Forms.Primitives.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jdk-1.8\jvisualvm.txt.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_OEM_Perp-ul-oob.xrm-ms.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\es\UIAutomationClient.resources.dll.tmp	0b17386631e0ceaff83d8019558bf980N.exe
File created	C:\Program Files\Java\jre-1.8\bin\deploy.dll.tmp	0b17386631e0ceaff83d8019558bf980N.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	0b17386631e0ceaff83d8019558bf980N.exe

C:\Users\Admin\AppData\Local\Temp\0b17386631e0ceaff83d8019558bf980N.exe
"C:\Users\Admin\AppData\Local\Temp\0b17386631e0ceaff83d8019558bf980N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3068

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-1-5-21-1176886754-713327781-2233697964-1000\desktop.ini.tmp

Filesize
78KB

MD5
d1456e4aa82748cdff25ae8b6387ffda

SHA1
5124cf8388287fb44507f3be516862fd2cde307b

SHA256
ffdedb623594dc5e9cafed1d2ac896aa91aa389f7d5857817ef1a0c6a95f41c7

SHA512
060ed778fb409f7ba1dd552c3adbd35e0eb3e0f8ca0be84ca05723aee23cae7ce95fa2a278b9806d797fee070e817955848d1a6f37fdfa840cab0d6c1a37b114

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

Filesize
177KB

MD5
35bc7e808f31a714a4c3ddb6f0ee670a

SHA1
eee9de5b1a3859ca904694fd29d7b82caf29c0d7

SHA256
f5b25faaf44ac6e29993e07d9ff8606fa650eb0a142c06d0cc8ab08e34fd4186

SHA512
304808a6ac7f204a982c7af13193473fdb08586cd37ad01c78b9984051a1e625a1f7a97035de477f59acc775d46de8837ba3e28aeb8b4a74d8210090dfa5a711

Download Submit
memory/3068-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3068-1640-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download