9d980e9c408f355a9af3f863d32674c8c42602c9a574c07255f546fa0a90c343

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05-09-2024 16:21

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General

Target

b2d41527ea473aeecba77e4e0f8e9140N.exe
Size

83KB
MD5

b2d41527ea473aeecba77e4e0f8e9140
SHA1

bac98d3af6ab3c017758ca256070dd8e5fc5812b
SHA256

9d980e9c408f355a9af3f863d32674c8c42602c9a574c07255f546fa0a90c343
SHA512

90fbfb9451c4cb7679fd31d76f437e51a3c18cd36ee7d08b9b1bdc84f2f6fe42e7c183fb6b5950c1d28d5e5bf18e269db22d13f11a38cbda34118b8b8d5af197
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8IZTkb/b8QW:fnyiQSo7Zgr4QW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (414) 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/3020-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000d000000012251-2.dat	upx
behavioral1/files/0x0002000000010480-6.dat	upx
behavioral1/memory/3020-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaremr.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Internet Explorer\jsdbgui.dll.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\odffilt.dll.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\IpsMigrationPlugin.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\720x480blacksquare.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\ParentMenuButtonIcon.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ar.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\TipRes.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_SelectionSubpicture.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\1047x576black.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_jpn.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsdan.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledbjvs.inc.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\15x15dot.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javadoc.exe.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\7-Zip\Lang\he.txt.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrfrash.dat.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mshwgst.dll.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\zh-CN.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\tipresx.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\title_stripe.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\redmenu.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ca.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsdeu.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\it-IT\msinfo32.exe.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationUp_ButtonGraphic.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\vi.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-correct.avi.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_trans_rgb.wmv.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\System\DirectDB.dll.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationUp_SelectionSubpicture.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\TitleButtonSubpicture.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Internet Explorer\en-US\ieinstal.exe.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\CheckpointOpen.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\oskpred.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipssrb.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\pt-BR\tipresx.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_ButtonGraphic.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_SelectionSubpicture.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\FlickLearningWizard.exe.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VC\msdia100.dll.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\mainscroll.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationLeft_ButtonGraphic.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\lt.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Internet Explorer\SIGNUP\install.ins.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ro-RO\tipresx.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\TipRes.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcfr.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\en-US.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\gu.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ru.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\fr-FR\OmdProject.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\highlight.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\pl.pak.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\7-Zip\Lang\ku.txt.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\vistabg.png.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\grid_(inch).wmf.tmp	b2d41527ea473aeecba77e4e0f8e9140N.exe
File created	C:\Program Files\Common Files\System\de-DE\wab32res.dll.mui.tmp	b2d41527ea473aeecba77e4e0f8e9140N.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	b2d41527ea473aeecba77e4e0f8e9140N.exe

C:\Users\Admin\AppData\Local\Temp\b2d41527ea473aeecba77e4e0f8e9140N.exe
"C:\Users\Admin\AppData\Local\Temp\b2d41527ea473aeecba77e4e0f8e9140N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:3020

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-1-5-21-457978338-2990298471-2379561640-1000\desktop.ini.tmp

Filesize
84KB

MD5
2365affa9254a27f5732e83bbb41ab32

SHA1
c12f7cf8429a8e84de2ebea53fd4e298a251e40d

SHA256
9ad228c28b8210ba8a557e377f6cc6908337eaa419b98342a301f82daa0647f8

SHA512
b6036260ac5d2876fbef6e6a0a5ad1ec7babcd5fb499b2dc1ec4d684b56b791fc4cb4a0bf9b7c08cd664ce0fd7145847a80b2da37b5a59c42b0c265724066273

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

Filesize
92KB

MD5
bbc2b890b6fdf4c63d5b4c029851906a

SHA1
1c954e36b67fee6712b5b7b6160d52f73facefd4

SHA256
ae3b8b1627df3f918134c64ad67e296b867fc129be634be54ce4f6ca0b2b4159

SHA512
3630972febd83231743d8126a2668ae41a64c962aa71b7ecb0522f14aedeee5c67fa5740db6c052bb41876aa890126bfdaa8c8a31d16a70163b5cafd1df7e2ef

Download Submit
memory/3020-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/3020-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download