e75000e4a18d58443f7889154b5ce996c9b43401223bf1b82d646250829c5ff9

Analysis

max time kernel
120s
max time network
127s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
18/08/2024, 23:52

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General

Target

7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
Size

58KB
MD5

7c5cd2d87501d6699db84c3f0e4ed9b0
SHA1

6ea284bc1910d2dbf437649241af6f0e9d347d86
SHA256

e75000e4a18d58443f7889154b5ce996c9b43401223bf1b82d646250829c5ff9
SHA512

fd6aaea77fed17f4abca65b96de423393e308aee8d2b31345ab160aa0975ac0b034144c23fe3ce2edfe92f059c58d0aebb15ca193edc1bc9a5d70d2c60627b02
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyQY3tvtp:V7Zf/FAxTWoJJZENTNyQY3tvtp

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4651) 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/2928-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x00090000000233c2-2.dat	upx
behavioral2/files/0x0014000000022936-6.dat	upx
behavioral2/memory/2928-910-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.uk-ua.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\es-419.pak.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ExcelCombinedFloatieModel.bin.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.manifest.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ipskor.xml.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Serialization.Xml.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\PresentationFramework.Aero2.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jp2iexp.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Trial-ul-oob.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\es-ES\tipresx.dll.mui.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ko\System.Windows.Forms.resources.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\ExcelLogo.contrast-white_scale-180.png.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\ms\msipc.dll.mui.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\msoasb.exe.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\AppVIsvSubsystemController.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ja-jp.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\WindowsBase.resources.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCalls.c.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\javafx\webkit.md.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\JitV.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\PresentationUI.resources.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\optimization_guide_internal.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-pl.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\CLICK.WAV.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\OARTODF.DLL.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\7-Zip\Lang\cy.txt.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-multibyte-l1-1-0.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.ar-sa.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Primitives.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdVL_MAK-ppd.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-crt-heap-l1-1-0.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProfessionalPipcR_OEM_Perp-ul-oob.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019R_Retail-ul-oob.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\offsymsb.ttf.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Numerics.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\System.Windows.Controls.Ribbon.resources.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\api-ms-win-core-file-l1-2-0.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019XC2RVL_MAKC2R-ul-oob.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_Retail-ppd.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LogoImages\WinWordLogo.scale-80.png.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-processthreads-l1-1-0.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\legal\jdk\asm.md.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelR_Trial-ppd.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.Extensions.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\Microsoft.NETCore.App.runtimeconfig.json.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\orbd.exe.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion Boardroom.thmx.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_Retail-ppd.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\api-ms-win-core-xstate-l2-1-0.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\ja-JP\tabskb.dll.mui.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Java\jdk-1.8\include\win32\bridge\AccessBridgeCallbacks.h.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\XLMACRO.CHM.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MSIPC\gl\msipc.dll.mui.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherVL_KMS_Client-ul.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_SubTrial-ppd.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\System.Windows.Controls.Ribbon.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\System.Windows.Forms.Design.resources.dll.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-00E2-0000-1000-0000000FF1CE.xml.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStd2019R_OEM_Perp-ul-oob.xrm-ms.tmp	7c5cd2d87501d6699db84c3f0e4ed9b0N.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	7c5cd2d87501d6699db84c3f0e4ed9b0N.exe

C:\Users\Admin\AppData\Local\Temp\7c5cd2d87501d6699db84c3f0e4ed9b0N.exe
"C:\Users\Admin\AppData\Local\Temp\7c5cd2d87501d6699db84c3f0e4ed9b0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2928

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-1-5-21-4182098368-2521458979-3782681353-1000\desktop.ini.tmp

Filesize
58KB

MD5
11ac99a91e8a714a0bd1c431fa888d0c

SHA1
7c0874f466ee43d058e7c2c493582dcf3f4a3412

SHA256
047f0bba2f86f3606637bc4a626e66bea29c3ad285df9263369daa73758ac876

SHA512
3dead9923d5a1d05d22949d16cda4a1908979c833fac5c238c1704e4644c2b20caa36ca474f30807785f6b5b73f99e6d30ea369a2d4d8f5f01285e52a7b3fdd3

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

Filesize
157KB

MD5
5f3a9fddcd155398e02be0e1b6b8e937

SHA1
4e862546006907cd4ada2968d20043f5ce8e7a64

SHA256
68eb58f8a157fc093482bb49ae92f9be9a97ef87967d3d95048b66e3952fa72f

SHA512
e33311039c93cdf2110c11a3cd5c11bfe2e8907a44d7e7f5afe7690288d38642f001f626288063e66fb6f51a325929ad5d5fc7b98e64c4702cf0da2484efe392

Download Submit
memory/2928-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2928-910-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download