2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1a

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
02-10-2024 01:19

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General

Target

2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
Size

44KB
MD5

d73f36c64bb464f822ecbd926517af80
SHA1

859e3962834df3ad16caca0e0bde5030bd4cfa71
SHA256

2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1a
SHA512

da0f2904a6e87e8a63864dfd6717cc1d507e08d9ba6ae1057a949339fb30a2f94bf39e045715dc5566e409122dc76a4ce81c18248e7951b0a8ed4de1b23cd360
SSDEEP

384:QOlIBXDaU7CPKK0TIhfJJPbUEobUE51lRtJicszsOVCXb9CGDb9CGea7Aa77:kBT37CPKKdJJTU3U2lRtJfO6CQCM

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (3177) 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/3064-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000700000001211a-2.dat	upx
behavioral1/files/0x00020000000104da-6.dat	upx
behavioral1/memory/3064-70-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\203x8subpicture.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\unpack200.exe.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Barbados.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\ja\UIAutomationClientsideProviders.resources.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.feature_3.9.0.v20140827-1444\about.html.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.themes_1.0.1.v20140819-1717\images\macTSFrame.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Microsoft Games\Chess\desktop.ini.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-ui_zh_CN.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Europe\Zurich.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\VideoLAN\VLC\lua\playlist\bbc_co_uk.luac.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Stacking\1047x576_91n92.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Vilnius.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Checkers\ja-JP\chkrzm.exe.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+12.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Memories_buttonClear.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\net.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\cursors.properties.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Tegucigalpa.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\bin\klist.exe.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\7-Zip\7z.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\grid_(inch).wmf.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\System\Ole DB\it-IT\oledb32r.dll.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Guam.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Microsoft Games\Mahjong\de-DE\Mahjong.exe.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\System\msadc\es-ES\msadcfr.dll.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-heapwalker_ja.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-sa.xml.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\bin\t2k.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.Net.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskmenu.xml.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\locale\updater_ja.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Monet.jpg.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\lib\nbexec64.exe.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\modules\com-sun-tools-visualvm-attach.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\lib\zi\EST5EDT.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Mozilla Firefox\postSigningData.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cambridge_Bay.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.console.historicaldata_5.5.0.165303.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\com.jrockit.mc.rjmx_5.5.0.165303\icons\diagnostic-command-16.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-editor-mimelookup-impl_zh_CN.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Port_of_Spain.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\es\UIAutomationClient.resources.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access\libcdda_plugin.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_http_plugin.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring_ja.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-spi-quicksearch_ja.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Argentina\Tucuman.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\ja-JP\bckgzm.exe.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-masterfs_ja.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcer.dll.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationLeft_SelectionSubpicture.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\VideoLAN\VLC\plugins\access_output\libaccess_output_shout_plugin.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-autoupdate-cli_zh_CN.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.0\it\System.ServiceModel.Resources.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\System.ComponentModel.DataAnnotations.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\7-Zip\Lang\sl.txt.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\msgfilt.dll.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InkObj.dll.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationLeft_ButtonGraphic.png.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyclient.jar.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
File created	C:\Program Files\Common Files\System\Ole DB\fr-FR\sqloledb.rll.mui.tmp	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.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	2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe

C:\Users\Admin\AppData\Local\Temp\2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe
"C:\Users\Admin\AppData\Local\Temp\2897a7cf01455835417ce63f2cfcd3855de43b2f4c19b6f87bd5a932c88d3e1aN.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3064

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-1-5-21-3434294380-2554721341-1919518612-1000\desktop.ini.tmp

Filesize
45KB

MD5
3f2268dfa6eda9790e5a2df52369dfc5

SHA1
0d7586c3aa370d64c45601aac4b197197f18fbfe

SHA256
630c4a448b9bccd41bf6b1862a3c44bfd3ee7243e8ba8b676c11753a6a2dd053

SHA512
2e8d236ed8abd03a9ee4cc5cd0c4db9bdcb506dd16c020bd08b41837ed09313a6eeac89603abdd705966ddd327288abf8e3933c094ec6d6a66462b70a87a206b

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

Filesize
54KB

MD5
50abe82145937ca7737831905634181f

SHA1
fa5edf24fa626d72c81c5cce5642202e39d87912

SHA256
3bd4c29bcb8b46e815c7153f1e2fb9a72048dcefae82848c8ce0163443fb962e

SHA512
50963b3ad8bf827236e758a5ab9c0859f1e4ca13ddaa5dde44a1ec63170b0319eb0ebf4d743d7e7075371d2ffecab92d44ccbd0d8bea6d8520572c1ddc5605e9

Download Submit
memory/3064-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/3064-70-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download