4a876793b3435ee0d38b88c73339dbc5b1e794ad9537666ab5827d0863383c70

Analysis

max time kernel
120s
max time network
119s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
01/09/2024, 13:51

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General

Target

803a180197b07d28e5882079ef866fa0N.exe
Size

43KB
MD5

803a180197b07d28e5882079ef866fa0
SHA1

b0d2f3828cc2853f06311bba112e9280ba00f6d9
SHA256

4a876793b3435ee0d38b88c73339dbc5b1e794ad9537666ab5827d0863383c70
SHA512

da03905ae799963c0eb7d4f1c33c4cbd04b1534ab6509389d4f296c734d7ffd3353355f96f4b1765761d7c7a32e8728daaa8bd62d67cd2f88a856c0643f8f21f
SSDEEP

768:kBT37CPKKdJJ1EXBwzEXBwdcMcwBcCBcw/tio/tiqQT:CTW7JJ7TTQoQqQT

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3354) 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/2584-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0007000000012117-2.dat	upx
behavioral1/files/0x0002000000010557-6.dat	upx
behavioral1/memory/2584-75-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcfr.dll.mui.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.contenttype_3.4.200.v20140207-1251.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-host-remote.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\System.IdentityModel.Selectors.Resources.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad.xml.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskpred.xml.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\zip.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.core.databinding.nl_zh_4.4.0.v20140623020002.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core.xml.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jre7\bin\j2pcsc.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\IpsMigrationPlugin.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\IpsMigrationPlugin.dll.mui.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Internet Explorer\Timeline_is.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\GroupMeasure.ods.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\dropins\README.TXT.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-editor-mimelookup.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-application.xml.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Mozilla Firefox\mozwer.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\jamendo.luac.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\PresentationCore.resources.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\vimeo.luac.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\cmm\PYCC.pf.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jre7\lib\fonts\LucidaBrightItalic.ttf.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+7.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Pacific\Easter.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\stream_filter\libprefetch_plugin.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationRight_ButtonGraphic.png.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javaw.exe.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Antarctica\Macquarie.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Etc\GMT-5.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\libxslt.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\he\LC_MESSAGES\vlc.mo.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\VideoLAN\VLC\locale\sl\LC_MESSAGES\vlc.mo.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Microsoft Games\Hearts\en-US\Hearts.exe.mui.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\de\Microsoft.Build.Conversion.v3.5.resources.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationLeft_SelectionSubpicture.png.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_SelectionSubpicture.png.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Guadalcanal.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\toc.xml.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\mr.pak.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.notification_5.5.0.165303\html\olh.htm.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-progress_ja.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-heapwalker.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-core-output2_ja.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-uisupport.xml.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-openide-util-enumerations.xml_hidden.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\7-Zip\Lang\ast.txt.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\ct.sym.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.ui.mbeanbrowser.zh_CN_5.5.0.165303.jar.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Microsoft Games\Solitaire\de-DE\Solitaire.exe.mui.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\System.Speech.resources.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\demux\libmjpeg_plugin.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\7-Zip\7z.sfx.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\VISFILT.DLL.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-ImageMask.png.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Riyadh89.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Psychedelic.jpg.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\16_9-frame-highlight.png.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Internet Explorer\jsdebuggeride.dll.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Indiana\Tell_City.tmp	803a180197b07d28e5882079ef866fa0N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Pangnirtung.tmp	803a180197b07d28e5882079ef866fa0N.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	803a180197b07d28e5882079ef866fa0N.exe

C:\Users\Admin\AppData\Local\Temp\803a180197b07d28e5882079ef866fa0N.exe
"C:\Users\Admin\AppData\Local\Temp\803a180197b07d28e5882079ef866fa0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2584

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-1-5-21-3294248377-1418901787-4083263181-1000\desktop.ini.tmp

Filesize
43KB

MD5
a7e9a3cfd17f3b45e7686f452210cded

SHA1
292c8266c85aedf068dd88f0400ed5794d94487b

SHA256
87f41a1e8c597c944ca99df3e709c10f53999a8f9e3caf0ee3bbb8cfa5567778

SHA512
bb2a6bf84028f3845b857b6c161b1c4d63c317c7e92e41f43ef072c77f47d62549470b297d711dbec96fdbdf4901644ca1638aa183250fd66c4ce89264d5860c

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

Filesize
52KB

MD5
0bc7c0652a931558a79b7d01e5e1d5df

SHA1
a4075da3c3ce6c20d7ad35a8ed9216e0507ba9a5

SHA256
75905aa85f15e9c073e09421ce419c3ec88d1f21183779432b5e9d335df6e669

SHA512
b988b885f591cfd344595466ee318de2f4177aca7d214e83503e320b072894bc5f33e8dd3ac7dc21b148f069c00737af4ddc832503dd217b994f8605c63b1022

Download Submit
memory/2584-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2584-75-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download