f4d1b8409b026087cb0895711c91277c75bbaa4ac3c13056b615a74e9eb8253b

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
02/09/2024, 06:28

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General

Target

c66242afbf3ca7627e56da5720fc4ef0N.exe
Size

86KB
MD5

c66242afbf3ca7627e56da5720fc4ef0
SHA1

f6ae2a95e36b7ff9b33ea1b3fee5ead8068b19e8
SHA256

f4d1b8409b026087cb0895711c91277c75bbaa4ac3c13056b615a74e9eb8253b
SHA512

3147864348f4496c303e83210553e7e50c9440f337cb27a1b260e0855c56b0921d3f1125381021dfab20c60ba3b51ddcfc33e20bd0b9bff89b79a7f56a5a19b4
SSDEEP

1536:V7Zf/FAxTWY1++PJHJXA/OsIZfzc3/Q8zxY5eYAWPkH:fnyiQSox5W

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (338) 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/1560-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x0009000000012264-2.dat	upx
behavioral1/files/0x0002000000010463-6.dat	upx
behavioral1/memory/1560-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\sl.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\ja-JP\WMM2CLIP.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwrlatinlm.dat.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\zh-TW\tipresx.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Month_Calendar.emf.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Stars.htm.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\16_9-frame-background.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationUp_SelectionSubpicture.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Peacock.jpg.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\ado\msador15.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\ado\msadrh15.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\oledb32r.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\en-US\WMM2CLIP.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\16to9Squareframe_VideoInset.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\ParentMenuButtonIconSubpict.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\mainscroll.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\7-zip.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationUp_SelectionSubpicture.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\sl-SI\tipresx.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\ado\msado20.tlb.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\fa.pak.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\WidevineCdm\LICENSE.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\Lang\es.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipssrb.xml.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\1047x576black.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsplk.xml.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\en-US\sqlxmlx.rll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationLeft_SelectionSubpicture.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\ParentMenuButtonIcon.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\tabskb.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\numbers.xml.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\en-US\msinfo32.exe.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwritalm.dat.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipskor.xml.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\performance.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationUp_ButtonGraphic.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\play-background.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Internet Explorer\en-US\DiagnosticsTap.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_glass_Thumbnail.bmp.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\Alphabet.xml.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\IPSEventLogMsg.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPCEXT.DLL.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\VSTO\10.0\VSTOMessageProvider.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcfr.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\msadc\msdfmap.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\play-static.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\Lang\si.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\TipTsf.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\th-TH\tipresx.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Heart_ButtonGraphic.png.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\Lang\kaa.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\micaut.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcer.dll.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Travel\TravelIntroToMainMask_PAL.wmv.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InputPersonalization.exe.mui.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsesp.xml.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\scene_button_style_default_Thumbnail.bmp.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mip.exe.tmp	c66242afbf3ca7627e56da5720fc4ef0N.exe
File created	C:\Program Files\ConnectBackup.odp.tmp	c66242afbf3ca7627e56da5720fc4ef0N.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	c66242afbf3ca7627e56da5720fc4ef0N.exe

C:\Users\Admin\AppData\Local\Temp\c66242afbf3ca7627e56da5720fc4ef0N.exe
"C:\Users\Admin\AppData\Local\Temp\c66242afbf3ca7627e56da5720fc4ef0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:1560

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
87KB

MD5
342632b49cad8a50f4c293be153c57c4

SHA1
92ecfefd6b2cc634092b85c404334af848d8c52a

SHA256
979576be5bb897886be6062e64e30958a71322ef1c4e337a1ac8c8c2bbdfbcaf

SHA512
06e04ba2344a0b302fd9d582c780d9e4ea8da2cfbc252cd2f445f88d546d1b52bf6818c8d6caef4f4d3ba4e9fdd406c64fce1afed01d7ee05749370763bd4740

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

Filesize
95KB

MD5
fdb7c3204d11543b4090edc479363c49

SHA1
51c4507fe767490f3ce635307d01dea3bf15c5bd

SHA256
15ff98a9a6d96728872e1d837d714479fc77069b6d5f3d4b2f4af01d5f521903

SHA512
04f26e76d13a6c39b23058d15fd60b317c73ffccf7460b08de4725e34cdb75db06f6b2578edfbd6922aa18c02e76124149e637af8ee4c3f4e9302556ab54135d

Download Submit
memory/1560-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/1560-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download