bf15ef7ca7a5501a525bc1c0157547128e2b4ae37cf9ed9799dc74955d90b3cd

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
18/08/2024, 13:09

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General

Target

e4a5cfe5bd8b2499270a682068454270N.exe
Size

73KB
MD5

e4a5cfe5bd8b2499270a682068454270
SHA1

da23e873a9438588595a50c2637cf305a1e22753
SHA256

bf15ef7ca7a5501a525bc1c0157547128e2b4ae37cf9ed9799dc74955d90b3cd
SHA512

846415044195375312254412cad91153540ccb0bfab2c118cf944416217b655a5db4538f4f389b83acfbe204f611321a433c3add85cf739d46db7b321d9a2ce4
SSDEEP

768:a7BlpyqaFAK65eCv+cIA0fm7Nm0CAbLg++PJHJzIWD4adZdhAIuZAIuniXKqAJxl:a7ZyqaFAlsr1++PJHJXFAIuZAIun

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (352) 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/2356-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000016d07-2.dat	upx
behavioral1/files/0x0002000000010463-6.dat	upx
behavioral1/memory/2356-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\lij.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\License.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.htm.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Wrinkled_Paper.gif.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\sa.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-dayi.xml.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_200_percent.pak.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationUp_ButtonGraphic.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsNotesBackground.wmv.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\appletviewer.exe.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jconsole.exe.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationRight_SelectionSubpicture.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\ky.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\mshwLatin.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-image-mask.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\HideUse.rle.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-changjei.xml.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Pipeline.dll.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationLeft_SelectionSubpicture.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Internet Explorer\en-US\F12Resources.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\ShapeCollector.exe.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\InkObj.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\ConvertFromReceive.pps.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\Bear_Formatted_RGB6_PAL.wmv.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogoCanary.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\ConfirmRequest.M2V.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\Common.fxh.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrcatlm.dat.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\sv-SE\tipresx.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\en-US\msinfo32.exe.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VGX\VGX.dll.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msadcor.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\CircleSubpicture.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_Buttongraphic.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\apt.exe.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\TabIpsps.dll.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\TitleButtonIcon.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\br.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToScenesBackground_PAL.wmv.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\GroupRevoke.cmd.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\blackbars80.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\Passport_PAL.wmv.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\cs-CZ\tipresx.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main.xml.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIcon.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_btn-back-static.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-GB.pak.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\7-Zip\Lang\sl.txt.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\uk-UA\tipresx.dll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stucco.gif.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Perf_Scenes_Subpicture1.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Notes_INTRO_BG_PAL.wmv.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_postage_Thumbnail.bmp.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\NextMenuButtonIcon.png.tmp	e4a5cfe5bd8b2499270a682068454270N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\vk_swiftshader.dll.tmp	e4a5cfe5bd8b2499270a682068454270N.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	e4a5cfe5bd8b2499270a682068454270N.exe

C:\Users\Admin\AppData\Local\Temp\e4a5cfe5bd8b2499270a682068454270N.exe
"C:\Users\Admin\AppData\Local\Temp\e4a5cfe5bd8b2499270a682068454270N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2356

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-1-5-21-2212144002-1172735686-1556890956-1000\desktop.ini.tmp

Filesize
73KB

MD5
e217bffa71d585d52bc1197791d3de92

SHA1
1445214dc787b800f9dcc6547ea99c309b19ea0d

SHA256
28da6df7e470eb089defc3320f9c72d4905f060de6ac2435b6e2a2578cd1a336

SHA512
8f0ee97dc00f258f2d7f0c5cdd9ed6253f8aac0500fa2925411734baeff23da910265c3e323a4a4334ddf83e0238208bc25e94db24f516453edb347046656bbe

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

Filesize
82KB

MD5
6de761c23d8d352a55dc879309aff7c4

SHA1
985172a1fc4b7eedf45cf8312913b0d4eb011768

SHA256
79a0985575cf1b02520a2882273d132c692fdc39bcfd79af45811485a18f6135

SHA512
d2f6f2c866f1cb8ae080103c4a99fc48a4ef1243229a2d65521661e97dcca7c89cf5311eb4e21943373bed6454b84514b1fd8d463786e017476ad77f0324b3c0

Download Submit
memory/2356-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2356-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download