eb57b7c75d8cd07d0cff9a8ac9e41877869b6b26fa2ee7b498c186f2ecc4867d

Analysis

max time kernel
120s
max time network
19s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
16/08/2024, 23:23

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General

Target

f03ad07e38b3cb3a7d141f08fc3832d0N.exe
Size

42KB
MD5

f03ad07e38b3cb3a7d141f08fc3832d0
SHA1

05d45f7b711ed283ec0e4bce3d2416c1f9aa1e16
SHA256

eb57b7c75d8cd07d0cff9a8ac9e41877869b6b26fa2ee7b498c186f2ecc4867d
SHA512

c3061623ac14bbd7528eb3237de524c71af067b039e9815b64d235e23c8bfc8ec7c8880054f14eb94deba91828ce01a07aa0ca0c483c16ebd99eea4d3a6d19b5
SSDEEP

384:FBt7Br5xjL2Kd5AsAoh6n5eaOlIBXDaU7CPKK0TIh6SjeYDTcYDTkZX:V7Blpf/FAK65euBT37CPKK0SjA

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (337) 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/2552-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c000000016d58-2.dat	upx
behavioral1/files/0x0002000000010463-6.dat	upx
behavioral1/memory/2552-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\nb.txt.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\msgfilt.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\micaut.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ro-RO\tipresx.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\DirectDB.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\ja-JP\DVDMaker.exe.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Pipeline.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\7-Zip\Lang\cs.txt.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\LogoDev.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\zh-TW.pak.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\auxpad\auxbase.xml.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyMainToNotesBackground_PAL.wmv.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationLeft_SelectionSubpicture.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\tipresx.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\bear_formatted_rgb6.wmv.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\btn-previous-static.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\Panel_Mask_PAL.wmv.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOLoaderUI.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\FlickLearningWizard.exe.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msaddsr.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SceneButtonSubpicture.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\passport.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\tipresx.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqloledb.rll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationRight_ButtonGraphic.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\ado\msadox.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\NavigationUp_SelectionSubpicture.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\menu_style_default_Thumbnail.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationUp_SelectionSubpicture.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\sv.pak.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\TipTsf.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.jpg.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\ResizingPanels\NavigationUp_SelectionSubpicture.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fi-FI\tipresx.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\notes-static.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\106.0.5249.119.manifest.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\huemainsubpicture2.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\tipresx.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationUp_SelectionSubpicture.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\rollinghills.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Postage_VideoInset.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\1047x576black.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\7-Zip\Lang\lij.txt.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\NextMenuButtonIconSubpictur.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Title_Trans_Scene_PAL.wmv.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\cs.pak.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\correct.avi.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\7-Zip\Lang\ext.txt.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\play-background.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\NavigationLeft_ButtonGraphic.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\ExportConvertFrom.sys.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\7-Zip\Lang\eu.txt.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaremr.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msdaremr.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadce.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\whitevignette1047.png.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\Csi.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ar-SA\tipresx.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\tabskb.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSLoc.dll.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\oledb32r.dll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqlxmlx.rll.mui.tmp	f03ad07e38b3cb3a7d141f08fc3832d0N.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	f03ad07e38b3cb3a7d141f08fc3832d0N.exe

C:\Users\Admin\AppData\Local\Temp\f03ad07e38b3cb3a7d141f08fc3832d0N.exe
"C:\Users\Admin\AppData\Local\Temp\f03ad07e38b3cb3a7d141f08fc3832d0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2552

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
42KB

MD5
696b8700d74169e9b5432ae665c9468d

SHA1
196718d7de230f637744d4556012c0c09a45ba4c

SHA256
cdce2da67cfd29fabe31fb64436097f98d35e8865200cb4253d62a7c672508f0

SHA512
cb99abca97d7a041c2d919da5ec75a066595cc923895c41d572e6839c79214ec3e4467e94820ce710867bcebf50415a419abd55b963e411366269151f3e78654

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

Filesize
51KB

MD5
29f0b082c15fdbc0ef76be9d63e62c8e

SHA1
d53c64d73e7815d17d6bd3cd695ea76fcbc598f8

SHA256
d1082936573bc2d9cf4521bb4b12dbfbdc74e3515105e5e1b179a2f3e8cd8156

SHA512
c9df088a0edb7485d5ced12072b52c46a1e435c5e5dcc728dd67350ada0969fc790cd1ea5e7770fa515faccaafd78a203d0427f6324e4497f36a49104fde33dc

Download Submit
memory/2552-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2552-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download