c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fb

Analysis

max time kernel
150s
max time network
122s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
27/09/2024, 01:30

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General

Target

c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
Size

83KB
MD5

c44dda680a23d1030ba57dc9360eaa40
SHA1

402c0d0d64c6b1dc3e7314ffafcd8affe128a9dc
SHA256

c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fb
SHA512

7e84a42c7a41a648ddbdbd8d41860dc9555efacb653e2d2380d74756f14660a8585de1efbe4cebbbd81f24e86e6c6f878743ebce936f4930cfb98d89e0104d3e
SSDEEP

1536:V7Zf/FAxTWoJJ7TKyXKoyXKoTW7JJ7TKyXKoyXK3:fny17KdKv7KdK3

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3459) 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/3068-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000700000001211a-2.dat	upx
behavioral1/files/0x0002000000010541-6.dat	upx
behavioral1/memory/3068-70-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre7\lib\javafx.properties.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\TipRes.dll.mui.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\micaut.dll.mui.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Chuuk.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-io_ja.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-jvmstat_ja.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jre7\bin\jfxwebkit.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Microsoft Games\FreeCell\FreeCell.exe.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libdcp_plugin.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\docked_blue_windy.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT-7.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\de\PresentationBuildTasks.resources.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\flower_m.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationUp_SelectionSubpicture.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationRight_SelectionSubpicture.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Maceio.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Australia\Sydney.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\date-span-16.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Mozilla Firefox\platform.ini.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\oledb32r.dll.mui.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Scene_loop_PAL.wmv.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\p2\org.eclipse.equinox.p2.core\cache\artifacts.xml.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher.nl_zh_4.4.0.v20140623020002.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\7-Zip\Lang\ru.txt.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-overlay.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Zurich.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\it-IT\bckgzm.exe.mui.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\play-static.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring-fallback_ja.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\Microsoft.Build.Engine.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Defender\MSASCui.exe.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\settings_left_hover.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\mshwLatin.dll.mui.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\203x8subpicture.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\setNetworkServerCP.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\javax.inject_1.0.0.v20091030.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\video_filter\libmagnify_plugin.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\trad_dot.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\RSSFeeds.Gadget\en-US\js\settings.js.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-openide-util-enumerations.xml_hidden.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\locale\com-sun-tools-visualvm-sampler_ja.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Mozilla Firefox\firefox.exe.sig.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Clock.Gadget\images\spacer_highlights.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Currency.Gadget\es-ES\js\currency.js.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_ButtonGraphic.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\softedges.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Manaus.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\CPU.Gadget\it-IT\cpu.html.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Weather.Gadget\images\undocked_blue_windy.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrfralm.dat.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\classfile_constants.h.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-lib-profiler.xml.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Grand_Turk.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\javacpl.cpl.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jsoundds.dll.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.ui.nl_ja_4.4.0.v20140623020002.jar.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\com-sun-tools-visualvm-core.xml.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Africa\Tunis.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Windows Sidebar\Gadgets\Calendar.Gadget\icon.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\background.png.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cambridge_Bay.tmp	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.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	c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe

C:\Users\Admin\AppData\Local\Temp\c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe
"C:\Users\Admin\AppData\Local\Temp\c4ab87a1f8e20f25ec34ae0e0a2c24e25ffb6768d85fcc5ec9081ed6ccab00fbN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3068

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-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

Filesize
83KB

MD5
ff21cce286b20d9d88616da424cc22c4

SHA1
7f37ebee1d8709ff08ddf8c32170238788ee6082

SHA256
edc14cbb252b24a0a2645488224ee4cbf90beee9d8424603f874d03727171ead

SHA512
b0d174a9a038068bbb281255f0733d6f87ac9893b273d9bedf943428eb573b6f7d516c755662d6055c5c2a490e1654fe2433022dd2621e987f700c38952d1895

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

Filesize
92KB

MD5
51114577d3b8988f0a86addf49cc9635

SHA1
418119acc16f472cfb7eb45731f6d96f7b3dfbcf

SHA256
034e0f8884e4984265a99136f2f2ce0ded25799ebe7af596598fc1aec9a77c20

SHA512
71fee683c508bcdbd64d644be44bf838e027b78a38f40a5cc5af26b69bfcd964c02b09faf04455122158a0580f088841a846e24b885727197421bc95032911c9

Download Submit
memory/3068-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3068-70-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download