b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0

Analysis

max time kernel
150s
max time network
124s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 01:00

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General

Target

b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
Size

41KB
MD5

84d27a2fdd5af86ddb930eea28d85f9a
SHA1

90f5fcad8e82af1d32299faee6903eb95bd321ea
SHA256

b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0
SHA512

b00c8763fc88284585980f0c44073d1967d6d668b9cceefca6da76978c794ed7b2081c0519c6117ff79a889e987fd0af93efd3fd284af3b43f02b532a9e0e745
SSDEEP

768:kBT37CPKKdJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/6m0m+s2BGUGEgZg0hI44ec:CTW7JJZENTNyl2Sm0mKRgZg0C44enYE0

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3767) 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
behavioral1/memory/2792-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x00080000000120ff-2.dat	upx
behavioral1/files/0x000400000001043d-6.dat	upx
behavioral1/memory/2792-70-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.swt.nl_zh_4.4.0.v20140623020002.jar.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\es\System.Net.Resources.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Photo Viewer\es-ES\ImagingDevices.exe.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\fontconfig.properties.src.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\Font\ZX______.PFB.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.expressions_3.4.600.v20140128-0851.jar.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\classlist.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\en-US\ChkrRes.dll.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_black_cloudy.png.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\plug_ins\Annotations\Stamps\Words.pdf.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files (x86)\Common Files\Adobe\Updater6\AdobeUpdaterInstallMgr.exe.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Puerto_Rico.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Microsoft Games\Chess\ChessMCE.png.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Music.emf.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\System\msadc\msdaremr.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-heapwalker_ja.jar.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-host.xml.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-host_zh_CN.jar.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Montevideo.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\codec\libvpx_plugin.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\VideoLAN\VLC\skins\skin.catalog.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\es-ES\settings.html.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\fr-FR\clock.html.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\ja-JP\css\cpu.css.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT+8.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\System.Net.Resources.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\ja\System.Net.Resources.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\VideoLAN\VLC\skins\default.vlt.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mshwjpnr.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.ui.css.swt.theme.nl_ja_4.4.0.v20140623020002.jar.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-tools_ja.jar.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Kathmandu.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\es-ES\css\calendar.css.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\fr-FR\js\localizedStrings.js.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Argentina\Mendoza.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\Atlantic\Bermuda.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Midway.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\ja-JP\chkrzm.exe.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\VideoLAN\VLC\lua\http\custom.lua.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_box_left.png.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Journal\fr-FR\Journal.exe.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\SlideShow.Gadget\es-ES\css\slideShow.css.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\FlickLearningWizard.exe.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\tabskb.dll.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsScenesBackground.wmv.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\security\javaws.policy.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Ust-Nera.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\System.Web.Entity.Resources.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_black_moon-first-quarter.png.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Roses.htm.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\vstoee100.tlb.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Internet Explorer\iedvtool.dll.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.ssl.feature_1.0.0.v20140827-1444\feature.properties.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-autoupdate-services.xml.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Monterrey.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Reader\Tracker\email_initiator.gif.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files (x86)\Adobe\Reader 9.0\Resource\TypeSupport\Unicode\Mappings\Mac\GREEK.TXT.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Pretty_Peacock.jpg.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcer.dll.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\sl.pak.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derby.war.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\vocaroo.luac.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
File created	C:\Program Files\Windows Mail\fr-FR\msoeres.dll.mui.tmp	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.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	b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe

C:\Users\Admin\AppData\Local\Temp\b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe
"C:\Users\Admin\AppData\Local\Temp\b5bf4d51d3c605d19def296073c4816bb5185e37c396d5269157347c4477e6d0.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2792

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-1-5-21-3533259084-2542256011-65585152-1000\desktop.ini.tmp

Filesize
42KB

MD5
ba476fecf41175ebeb20b16bf344fb88

SHA1
89d540eae657ad76b3ca4eb0b036e0f5f48044e1

SHA256
dccf006c1a0d4f363897f039f35322a80e6da9975f395bb6779f2fbecdf58121

SHA512
1054412f6f04250ed84118b511fe5ce1f57269bf62422349ac11c3ef17bdb4c195eacdb953a6844854b5ef51ac761cb52fde3f44c46079b169dbeb0104bf1627

Download Submit
C:\MSOCache\All Users\{90140000-0011-0000-0000-0000000FF1CE}-C\Office64WW.xml.tmp

Filesize
51KB

MD5
2c3185937ad17dee78c3f10b63cfe7e1

SHA1
40be3f8872f19ac2f9086f51b7572156244cc9a1

SHA256
1295121a71105afa5e9b1ce915ebb0205540ac07519f95fba80e753b40871cb5

SHA512
018cf0c34678748ef27aaede61da0a35fa57230776bd597d0622973e4f40e648a70391c0ebfb649df0d384bd87008f003f5341850e5d4353388090227d79b710

Download Submit
memory/2792-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2792-70-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download