84b5234c1a2461c58892d5d52c377913cdf62afcf31f2c1be8c1459faab1308b

Analysis

max time kernel
119s
max time network
19s
platform
windows7_x64
resource
win7-20240708-en
resource tags

arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 06:58

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Report Analysis Logs

General

Target

a4b9617e383d9b2b2bd0fd1da22cb230N.exe
Size

53KB
MD5

a4b9617e383d9b2b2bd0fd1da22cb230
SHA1

4ebd4b15bbb364e14eef6d65964684b95269f9f4
SHA256

84b5234c1a2461c58892d5d52c377913cdf62afcf31f2c1be8c1459faab1308b
SHA512

85d98724bd34b8a3d8d0b89b17a4c9da02760bdb744360bdc3f9212082b1e8bb10741362c1b9ffcaeb5bab719326d97a7066de76121102549bf573a816aff22b
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNyHF/MF/HggD5j:V7Zf/FAxTWoJJZENTNyl2aPK

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (630) 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/2420-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0006000000012118-2.dat	upx
behavioral1/files/0x0002000000010622-6.dat	upx
behavioral1/memory/2420-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\JavaAccessBridge-64.dll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\7-Zip\7-zip32.dll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\IPSEventLogMsg.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\mshwLatin.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msdaremr.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Postage_ButtonGraphic.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome.exe.sig.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\correct.avi.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\navSubpicture.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\full.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jabswitch.exe.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\w2k_lsa_auth.dll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\tabskb.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\tr-TR\tipresx.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\it-IT\wab32res.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIconSubpictur.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\shadowonlyframe_buttongraphic.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\nl.pak.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\push_title.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\ParentMenuButtonIcon.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\7-Zip\Lang\pt.txt.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\offfiltx.dll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\nb-NO\tipresx.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.jpg.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\203x8subpicture.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_ButtonGraphic.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\dblook.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\msadc\ja-JP\msdaprsr.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\msadc\msaddsr.dll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\msdasqlr.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationLeft_SelectionSubpicture.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\setEmbeddedCP.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\charsets.jar.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ru-RU\tipresx.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\LICENSE.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Bears.jpg.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stucco.gif.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqlxmlx.rll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\es.pak.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\zh-CN.pak.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\7-Zip\Lang\uz-cyrl.txt.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Dotted_Lines.emf.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\it-IT\WMM2CLIP.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_200_percent.pak.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\kinit.exe.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\zh-CN\tipresx.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsMainToNotesBackground_PAL.wmv.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_cs.jar.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_INTRO_BG.wmv.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_ButtonGraphic.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\msgfilt.dll.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\pl-PL\tipresx.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Cave_Drawings.gif.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\menu_style_default_Thumbnail.png.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\serialver.exe.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\management\snmp.acl.template.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\local_policy.jar.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\gu.pak.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javaw.exe.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InputPersonalization.exe.mui.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Month_Calendar.emf.tmp	a4b9617e383d9b2b2bd0fd1da22cb230N.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	a4b9617e383d9b2b2bd0fd1da22cb230N.exe

C:\Users\Admin\AppData\Local\Temp\a4b9617e383d9b2b2bd0fd1da22cb230N.exe
"C:\Users\Admin\AppData\Local\Temp\a4b9617e383d9b2b2bd0fd1da22cb230N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2420

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-1-5-21-940600906-3464502421-4240639183-1000\desktop.ini.tmp

Filesize
53KB

MD5
5879691031db9c915020c51a33ebd4a5

SHA1
124935a19a7596df0c3e37f653759ea6bc062642

SHA256
1dea9db39e3a95701fca7120c05a90a6711f02d3429fbae34e2d2830f1e55dcb

SHA512
9776d7b745e5b7bbf49d8421c332360b7f89e17f45343dd52ba16b99d826a64346638445e0f20724c8599c7948b0d9b184dcb98aa94ad99d5fc31b4359483cef

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

Filesize
62KB

MD5
9720b929f840a9bc13c7fcbc3831dead

SHA1
69111e34786d3c5533765d5c95be166b0fc1dd71

SHA256
30690100b8e665b5c1f591f004133ba0fd3a9897777502561210c6a94f7183a2

SHA512
1deaf50d3fd75fa209c339527bd163793b4a055642d5562012b2f4a12dc98aa1638bf7eaa04e53aaa422c2e187aa673639a5ccc6ee4230559b55d0dd2c048e5d

Download Submit
memory/2420-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2420-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download