23cef7caa89e178965930bc7258676f67a54f52567292f67514e4626000b39f0

Analysis

max time kernel
120s
max time network
17s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
03-09-2024 17:26

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General

Target

77aa964b7c99628603a0d482e64158d0N.exe
Size

67KB
MD5

77aa964b7c99628603a0d482e64158d0
SHA1

940f1f032ebfca4014c888caeab33796138670b7
SHA256

23cef7caa89e178965930bc7258676f67a54f52567292f67514e4626000b39f0
SHA512

35939c3aaf70a2c3d71e87ed10c2ba51a8744254cf6555369900d3bc7ba7c3d1092042ba92a4cce2824cab73904805fe7d142c84e173add2315cea5aaaa3ebd2
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJcbQbf1Oti1JGBQOOiQJhATNydWK9WKTZQZ1+:V7Zf/FAxTWoJJZENTNyoKIKt

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (348) 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/2724-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000c000000017444-2.dat	upx
behavioral1/files/0x0002000000010480-6.dat	upx
behavioral1/memory/2724-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\nn.txt.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\TipBand.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\LayeredTitles\NavigationRight_SelectionSubpicture.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationUp_SelectionSubpicture.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-highlight.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javac.exe.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\ShapeCollector.exe.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\Title_Trans_Scene_PAL.wmv.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msdaprsr.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\pushplaysubpicture.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Internet Explorer\jsdbgui.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javah.exe.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Green Bubbles.htm.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stars.htm.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\sk.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ta.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\imjplm.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Music.emf.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsScenesBackground.wmv.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\he.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.exe.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.bin.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Services\verisign.bmp.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\es-ES\wab32res.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\wab32.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\1047x576black.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\1047_576black.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ru.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_ca.xml.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\th.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\nl-NL\tipresx.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Sand_Paper.jpg.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\de-DE\DVDMaker.exe.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\OldAge\NavigationRight_ButtonGraphic.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\correct.avi.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\mip.exe.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrfrash.dat.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\1033\VSTOInstallerUI.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationRight_SelectionSubpicture.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\rtscom.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\ado\en-US\msader15.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd28.tlb.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\cloud_Thumbnail.bmp.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\am.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\_platform_specific\win_x64\widevinecdm.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsen.xml.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mraut.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\SpeechEngines\Microsoft\TTS20\MSTTSEngine.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\reflect.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Internet Explorer\perfcore.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\ado\de-DE\msader15.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\it.pak.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\javafxpackager.exe.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwresplm.dat.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_ButtonGraphic.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\VideoWall\videowall.png.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\mshwLatin.dll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\ado\msadomd.dll.tmp	77aa964b7c99628603a0d482e64158d0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\sqloledb.rll.mui.tmp	77aa964b7c99628603a0d482e64158d0N.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	77aa964b7c99628603a0d482e64158d0N.exe

C:\Users\Admin\AppData\Local\Temp\77aa964b7c99628603a0d482e64158d0N.exe
"C:\Users\Admin\AppData\Local\Temp\77aa964b7c99628603a0d482e64158d0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2724

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

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Downloads

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

Filesize
67KB

MD5
5e0a78e49f571bf46b091a76dcef1ca7

SHA1
50dd7f5c882c9d67a86b8b7b6a31862f742c26fa

SHA256
68fe8fbede94a267e211e241ce745929a522d103995c188165507e90ad5c5af4

SHA512
5551acfb51bda2969d3ebbc4032e7e3d5bb0c6172cd5642fb94155c104c1e92509d3d28ab9d471aaf0bb00848c3703332e86a5b2c2d495c69dc8b16677bf3f02

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

Filesize
76KB

MD5
c74485948f90ca1a724b15561460346b

SHA1
081f18ed11b39efa526e0af2db8274287bbdf3f2

SHA256
dd34d079999ef83c86077bfee4ef6492d3da3ea4953cdaa29ede6da20a88a795

SHA512
d6352a37318ba6ffa08a10e1f391b02c9290f814823a596086f997b1e590598b0a1471feabb2834891e6e395f4eac3e39b2ca7092abb1082ca3a44fb205bc98b

Download Submit
memory/2724-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2724-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download