46e7b9148df1fe1ad7b113fceda7f5771b35e72edf472824d540f50979a0e62d

Analysis

max time kernel
120s
max time network
109s
platform
windows10-2004_x64
resource
win10v2004-20240709-en
resource tags

arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
submitted
27/07/2024, 23:55

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General

Target

1c6a2ed438cd436e831f841504e56380N.exe
Size

20KB
MD5

1c6a2ed438cd436e831f841504e56380
SHA1

f7e1b9a62646052b4775d93be703790697cba6d9
SHA256

46e7b9148df1fe1ad7b113fceda7f5771b35e72edf472824d540f50979a0e62d
SHA512

63954ba6718e025bfc2b1a3928491d5035f7e43033e6561e4b8327dc6cbae7a6b28659591f9f66bdeb5810f2c55140551425e0881f9d05b400df83d165f8ffc6
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJcbQbf1Oti1JGBQOOiQJhAT17MwElN5lNNN:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJ1

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3949) 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/3100-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral2/files/0x00090000000233f6-2.dat	upx
behavioral2/files/0x0008000000023456-6.dat	upx
behavioral2/memory/3100-934-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.IO.Compression.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\sunec.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_OEM_Perp-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\es\WindowsFormsIntegration.resources.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\dxcompiler.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Personal2019R_Retail-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Dynamic.Runtime.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Net.Security.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ko.pak.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\PersonalR_Trial-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp4-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Retail-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\hi.pak.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Google\Chrome\Application\123.0.6312.106\Locales\ja.pak.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jre-1.8\bin\api-ms-win-core-processenvironment-l1-1-0.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Document Themes 16\Ion.thmx.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\cs\Microsoft.VisualBasic.Forms.resources.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\UIAutomationClientSideProviders.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jre-1.8\bin\sspi_bridge.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\pkcs11wrapper.md.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardR_Trial-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Collections.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\java_crw_demo.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Professional2019R_Retail-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlus2019R_OEM_Perp2-pl.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\api-ms-win-core-util-l1-1-0.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Private.Xml.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.Runtime.Intrinsics.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\8.0.2\System.Globalization.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\PackageManifests\AppXManifestLoc.16.en-us.xml.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\ProPlusR_OEM_Perp-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365ProPlusR_SubTrial4-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\8.0.2\Microsoft.WindowsDesktop.App.deps.json.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jre-1.8\bin\rmiregistry.exe.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jre-1.8\legal\jdk\joni.md.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019DemoR_BypassTrial180-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudentR_Trial-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\MondoVL_KMS_Client-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\O365BusinessR_SubTest-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcor.dll.mui.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeBusinessR_Retail2-ul-phn.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioStdR_Retail-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\uk-UA\tipresx.dll.mui.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\HomeStudent2019R_OEM_Perp-ul-phn.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\Standard2019MSDNR_Retail-ul-oob.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\WordVL_MAK-ul-phn.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\it-IT\rtscom.dll.mui.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Common Files\System\ado\ja-JP\msader15.dll.mui.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jdk-1.8\bin\jarsigner.exe.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\VisioProCO365R_Subscription-pl.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Common Files\microsoft shared\ink\fsdefinitions\main\base_heb.xml.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Security.Cryptography.Algorithms.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\6.0.27\zh-Hans\PresentationUI.resources.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Java\jdk-1.8\jre\bin\bci.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\SkypeforBusiness2019R_Grace-ppd.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\Microsoft Office\root\Licenses16\StandardVL_KMS_Client-ul.xrm-ms.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\6.0.27\System.IO.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.NETCore.App\7.0.16\System.Reflection.dll.tmp	1c6a2ed438cd436e831f841504e56380N.exe
File created	C:\Program Files\dotnet\shared\Microsoft.WindowsDesktop.App\7.0.16\it\UIAutomationClientSideProviders.resources.dll.tmp	1c6a2ed438cd436e831f841504e56380N.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	1c6a2ed438cd436e831f841504e56380N.exe

C:\Users\Admin\AppData\Local\Temp\1c6a2ed438cd436e831f841504e56380N.exe
"C:\Users\Admin\AppData\Local\Temp\1c6a2ed438cd436e831f841504e56380N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3100

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-1-5-21-384068567-2943195810-3631207890-1000\desktop.ini.tmp

Filesize
21KB

MD5
017a4f391f23cd75ce56df48e4539546

SHA1
bea9825e39252b64bba630531199c84c5171fc88

SHA256
24dd7ced6a33564375c52b47706b2c41c4f9a898ef3b0b9719741cd37656c723

SHA512
789c7e4a0e3b26cf7b3b011c03d0533d8affbd07ed58506e8a490b60e69a499f911075fbe763445009880d32c9e225754160d03cba3cd745a4a986885149335b

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

Filesize
119KB

MD5
51f560c0580d88a14524fb60079e6b52

SHA1
953a3f159154a99c91203fa977f40580082e8d4f

SHA256
d5834175e95a46372ca3728dd8ce8efbe9bfe7aeeede70ec32c1c8bf1cf58df2

SHA512
b0d3dcfd4887d72eece6a3e8a2ac7c91547a4906b7aafd48fa11d1870dbd54b469aec62281ff5e297030d901eb22f94520b7b2fa515e8017aa8a6b4ebacbdd30

Download Submit
memory/3100-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3100-934-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download