dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d

Analysis

max time kernel
149s
max time network
135s
platform
windows10-2004_x64
resource
win10v2004-20240802-en
resource tags

arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
submitted
02/09/2024, 04:40

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General

Target

dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
Size

56KB
MD5

89f23be849ec5d6f8186c593753c0ec8
SHA1

3845760744aea1a334466338c71a46e031e82a7f
SHA256

dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d
SHA512

8aa8c55d4a83582a5f5c4f2d84176f9aac244e645eda83f58a7f3200b74d735a125a1db8d462893f7f465e9fe524eda9eac0126fcd015ad8585395e65372d296
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKF9ADJS:V7Zf/FAxTWoJJZENTNyoKIKMI

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (5026) 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/3696-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral2/files/0x0009000000023615-2.dat	upx
behavioral2/files/0x000600000001690a-6.dat	upx
behavioral2/memory/3696-858-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\IntegratedOffice.exe.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\lv-LV\tipresx.dll.mui.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.DispatchProxy.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365EduCloudEDUR_SubTrial-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PowerPointR_Trial-ppd.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\LivePersonaCard\TPN.txt.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Outlook2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Primitives.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\fr\UIAutomationClientSideProviders.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\am.pak.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ExcelVL_MAK-pl.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_Grace-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\SAEXT.DLL.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\PresentationFramework.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\ko\PresentationCore.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\zh-Hans\PresentationUI.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\server\classes.jsa.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProR_Retail2-pl.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\MEDIA\BOMB.WAV.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\microsoft shared\VSTO\10.0\VSTOLoader.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Net.Quic.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProXC2RVL_MAKC2R-ul-phn.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mip_telemetry.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\PROOF\MSSP7ES.dub.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365SmallBusPremR_Subscription3-pl.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_Grace-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fr-FR\InkObj.dll.mui.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Private.Xml.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\ja\PresentationCore.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\ru\System.Windows.Controls.Ribbon.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Java\jdk-1.8\bin\pack200.exe.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Java\jre-1.8\lib\images\cursors\win32_CopyDrop32x32.gif.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\PowerPivot Excel Add-in\Cartridges\Informix.xsl.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PublisherR_Trial-pl.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Linq.Parallel.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\tr\UIAutomationTypes.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hans\UIAutomationProvider.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\zh-Hant\PresentationFramework.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_O16EnterpriseVL_Bypass30-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoR_SubTest2-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\concrt140.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\de-DE\tipresx.dll.mui.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Reflection.Emit.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365HomePremR_Subscription4-ppd.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusE5R_SubTrial-ppd.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Publisher2019R_Retail-ul-phn.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\tr\Microsoft.VisualBasic.Forms.resources.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Colors\Green.xml.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Theme Fonts\Century Gothic.xml.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_KMS_Client-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\mscss7cm_en.dub.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.123\Locales\el.pak.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\jfr.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\AccessR_Retail-pl.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp3-ppd.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019VL_KMS_Client_AE-ul-oob.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Office16\ADDINS\Power Map Excel Add-in\VISUALIZATIONENGINE.DLL.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\microsoft shared\ClickToRun\C2RINTL.pl-pl.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msadcer.dll.mui.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-console-l1-2-0.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalPipcDemoR_BypassTrial365-ppd.xrm-ms.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\System.Security.Cryptography.Pkcs.dll.tmp	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.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	dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe

C:\Users\Admin\AppData\Local\Temp\dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe
"C:\Users\Admin\AppData\Local\Temp\dc2d7ba08dba9e1340096be329e2635d9e4cbcc154c827414adc511b0d684b3d.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3696

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=4508,i,4174666705242427184,7333705955694532165,262144 --variations-seed-version --mojo-platform-channel-handle=4264 /prefetch:8
1⤵
PID:2884

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
57KB

MD5
8a9fd1f62dbda98650662417bef4cc1a

SHA1
6ef01b4b16dbf4d69203ec4c8c798e226fb87ff1

SHA256
d879fd2841bf10ec1cdaa9ac505357120aad06b66e8d2eeb0d7eb9ade5acacad

SHA512
b6bd1818ae17a992df35ecc8f0874256e9f4ba0335db27b337749c4e6cddff4061782b501289ca7d7f5fc162f77bbb015f9113b143d0589fcf54d904fe9d0e2e

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

Filesize
169KB

MD5
713a794dfaa99dbebc20bb155162bd78

SHA1
3723bb5389b5eb749bc213e6546bfaac116351da

SHA256
41aaffcb8e23f6b3f3d67ffdde0dcd60a20b0ef22cfad42016cc5c37916f4847

SHA512
0adeb2c5e72a4edd714e5df2d8e4438ef2a217782b679ecc1712521ae901c9d6ab4fece7d876f2540a25f74dfc329c2a542910ade4a70af398f4b82470b8dc5b

Download Submit
memory/3696-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3696-858-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download