f43293b3b793ec7e897c7cd8950e6e2251cb0261782326a298c4fd946f5f0e85

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 12:37

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

b23913897970621e035379872fb4f560N.exe
Size

53KB
MD5

b23913897970621e035379872fb4f560
SHA1

dc646e0ca2e83cc7c97f32db29049730a9423ae4
SHA256

f43293b3b793ec7e897c7cd8950e6e2251cb0261782326a298c4fd946f5f0e85
SHA512

6d41da545d4abddff0e53549c798cd942a1e30d500c839036ec87ca03f1542e162d1227422be76ba56bd11366b2e0317335ab661878630210cd843d883ec2e15
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdo:CTWUnMdyGdy4AnAP4FeUea

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (362) 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/2364-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x0008000000012101-2.dat	upx
behavioral1/files/0x0002000000010480-6.dat	upx
behavioral1/memory/2364-26-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\InputPersonalization.exe.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\tabskb.dll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\TipRes.dll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Internet Explorer\images\bing.ico.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\baseAltGr_rtl.xml.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT.DLL.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\circleround_selectionsubpicture.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Perf_Scenes_Subpicture1.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_babypink_Thumbnail.bmp.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\ExitConfirm.wmf.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_rtl.xml.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\fr-FR\OmdProject.dll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vk_swiftshader_icd.json.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_ca.xml.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_VideoInset.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationUp_SelectionSubpicture.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\mojo_core.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Internet Explorer\DiagnosticsTap.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\extcheck.exe.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\7-Zip\Lang\sr-spl.txt.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\mshwLatin.dll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_rgb6.wmv.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\push_item.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationLeft_SelectionSubpicture.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\nl-NL\tipresx.dll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\System\ado\msado15.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_SelectionSubpicture.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\uk.pak.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vulkan-1.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Internet Explorer\D3DCompiler_47.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base.xml.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Roses.jpg.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\babyblue.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_SelectionSubpictureA.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\720x480blacksquare.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_btn-back-static.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationUp_ButtonGraphic.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Internet Explorer\sqmapi.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\idlj.exe.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.jpg.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\16_9-frame-highlight.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Internet Explorer\en-US\iexplore.exe.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Notes_loop_PAL.wmv.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_selectionsubpicture.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_pwa_launcher.exe.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\7-Zip\Lang\mr.txt.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\7-Zip\Lang\pa-in.txt.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\bg-BG\tipresx.dll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\rtstreamsink.ax.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\15x15dot.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Services\verisign.bmp.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\hu.pak.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\java-rmi.exe.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_SelectionSubpicture.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Internet Explorer\MemoryAnalyzer.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\7-Zip\Lang\fr.txt.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.jpg.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcor.dll.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\button-highlight.png.tmp	b23913897970621e035379872fb4f560N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\TipTsf.dll.mui.tmp	b23913897970621e035379872fb4f560N.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	b23913897970621e035379872fb4f560N.exe

C:\Users\Admin\AppData\Local\Temp\b23913897970621e035379872fb4f560N.exe
"C:\Users\Admin\AppData\Local\Temp\b23913897970621e035379872fb4f560N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2364

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

Loading Replay Monitor...

Downloads

C:\$Recycle.Bin\S-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini.tmp

Filesize
54KB

MD5
b64f21a8a7365095162d1733137c6b00

SHA1
9b1b67c014e5f78c3671fad1f4e55e911e9c0dea

SHA256
4442ba1a1b0ce57fa2322a47149bf8c34070f1deddf3a09004268a44d8ed34e5

SHA512
0d03b438233c957791f71eb3b9407ef2bd3a779dceb2ca4d4e3e010945ec662284c3f17ff33598774f7fdcfba0bd4b2a4f95173b6dda2bd69c02a7d8704fb3d4

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

Filesize
63KB

MD5
9d339a5de51664dbdcdb30775ac4a100

SHA1
7637baf58704a5d8e19e8d3e3e38be36e05e8455

SHA256
fd067ef7447513f4993b6e3bf55191c93cd561f18cd9c3161ad1057eca3a79a5

SHA512
72b2a99d034ac08f20e5a7c5203feadb1ca2e445b1046f68b14b7fdfed1142626bf82af21bbd8e57181e2211915ddee0cd3ff1bf179443792a890c7787e7775f

Download Submit
memory/2364-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2364-26-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download