f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c

Analysis

max time kernel
120s
max time network
99s
platform
windows10-2004_x64
resource
win10v2004-20241007-en
resource tags

arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
submitted
20/11/2024, 03:58

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General

Target

f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
Size

74KB
MD5

5a65934456a2c51ceb777930e3a9560f
SHA1

61a027500cb1da73f38d44223e79633bbb7b1eb3
SHA256

f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c
SHA512

f8f2a472dd3a40366b1d19349c79b1ef05840c0c174d23a73f4669f222225bafec4f7ae88761586251eea68a978021ce27bda3dc7054d89bac031c27f9c7fcc4
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATBHfBo8o3PV15Rp:V7Zf/FAxTWoJJZENTBHfiP3zem9

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (4110) 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/3552-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x000a000000023bc4-2.dat	upx
behavioral2/files/0x00040000000228f5-6.dat	upx
behavioral2/memory/3552-660-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ink\tipskins.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\UIAutomationClient.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\it\Microsoft.VisualBasic.Forms.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusDemoR_BypassTrial365-ul-oob.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.bg-bg.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jre-1.8\lib\fonts\LucidaTypewriterRegular.ttf.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Yellow Orange.xml.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_SubTrial3-pl.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\Microsoft.VisualBasic.Forms.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusDemoR_BypassTrial365-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\System.Windows.Controls.Ribbon.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jre-1.8\bin\plugin2\vcruntime140_1.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\fre\StartMenu_Win8_RTL.mp4.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\api-ms-win-core-xstate-l2-1-0.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Security.Cryptography.Primitives.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\hprof.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\PresentationCore.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Office16\1033\QuickStyles\linesstylish.dotx.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.Tasks.Parallel.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_Retail-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.ServicePoint.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationCore.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pl\System.Windows.Input.Manipulations.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\vcruntime140.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\content-types.properties.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_Subscription-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Subscription5-pl.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jdk-1.8\jre\lib\security\public_suffix_list.dat.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifest.90160000-001B-0000-1000-0000000FF1CE.xml.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Client\api-ms-win-crt-utility-l1-1-0.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Retrospect.thmx.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Office 2007 - 2010.xml.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusinessVL_KMS_Client-ul.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Threading.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ko\UIAutomationProvider.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jre-1.8\lib\ext\cldrdata.jar.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_Grace-ul-oob.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Retail-ul-phn.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusDemoR_BypassTrial180-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Grace-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.FileSystem.Watcher.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdXC2RVL_MAKC2R-pl.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\clrgc.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\Accessibility.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\fr\UIAutomationTypes.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\ur.pak.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Java\jre-1.8\bin\mlib_image.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_SubTrial3-pl.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_KMS_ClientC2R-ul-oob.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\pt-BR\WindowsFormsIntegration.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProjectStdO365R_SubTrial-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioPro2019R_Trial-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Word2019R_OEM_Perp-ul-phn.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Windows.Forms.Primitives.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaprsr.dll.mui.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Drawing.Primitives.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\PresentationCore.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\pt-BR\UIAutomationTypes.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\System.CodeDom.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019R_Trial-ppd.xrm-ms.tmp	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.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	f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe

C:\Users\Admin\AppData\Local\Temp\f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe
"C:\Users\Admin\AppData\Local\Temp\f27b2a0616181a63c2b3c4737ce1c26ddaa47fb061d75c253d7249ab2961195c.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3552

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-1-5-21-3227495264-2217614367-4027411560-1000\desktop.ini.tmp

Filesize
75KB

MD5
b2e6ee96a6c7f4292919a1fc1d22b17d

SHA1
781e1d5713be9ebe49605cf06cb9869665c5d45f

SHA256
11ca8fad6670b1764a15ac35070cdef89c870e699613c1cf5ac5dd7692adaa59

SHA512
4051ee6912abe33822bc7bc3652a1c859819f917677be6dc052933ebada844f65da6e313d5ecbc8c1177a2eaa697e057b0c4c12ca8425c793dd5f415fdd75655

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

Filesize
173KB

MD5
58176d4a7aee2c52a43ac0258dcf6a38

SHA1
04bea596dd07b58b7c95fd7684148866e802d6ad

SHA256
541bcd43a880225f54fce22b4c88b9d2e3c0d150c446e7644dddcdfd9e4c4943

SHA512
7d2876adb6df9f3d4ef87000c2a4526c300aa55a5ca59a965d324f7e2caa5c702e83e6ef99ec9bf04c1e2660672596bc9217735312bc29ac1fd754aecbfe1da2

Download Submit
memory/3552-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3552-660-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download