05f76041862e8263c8867117ddca636ec3c187d1a42d9a2feff866d68ce0af76

Analysis

max time kernel
120s
max time network
18s
platform
windows7_x64
resource
win7-20240704-en
resource tags

arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
submitted
29/08/2024, 11:05

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General

Target

a40b210719184e57baca5b8ea58484a0N.exe
Size

48KB
MD5

a40b210719184e57baca5b8ea58484a0
SHA1

ab2d270e525057a302ff82929a4d5bd169f8ee46
SHA256

05f76041862e8263c8867117ddca636ec3c187d1a42d9a2feff866d68ce0af76
SHA512

7ef55c9e2c5fcfb3927f16c5637fa6aea3da3e6c26765134f8a06e705333d05dfff17f71924ecc1397f632ce48884a06671f5f01dfc4a9ecda4d0893f4407bb9
SSDEEP

768:kBT37CPKK1EXBwzEXBw3sgQw58eGkz2rcuesgQw58eGkz2rcu90TKe+0TKeinMdM:CTWUnMdyGdy4AnAP4l

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (453) 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/2152-0-0x0000000000400000-0x000000000040A000-memory.dmp	upx
behavioral1/files/0x000c000000016d58-2.dat	upx
behavioral1/files/0x0002000000010463-6.dat	upx
behavioral1/memory/2152-26-0x0000000000400000-0x000000000040A000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\7z.sfx.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\ar.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\tipresx.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\TipTsf.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InkWatson.exe.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\ShapeCollector.exe.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwritash.dat.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OfficeSoftwareProtectionPlatform\OSPPC.DLL.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\micaut.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\ShapeCollector.exe.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Garden.htm.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Scenes_LOOP_BG.wmv.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\attach.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\de.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\es-ES\InkObj.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\zh-dayi.xml.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Internet Explorer\en-US\F12Tools.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\wsgen.exe.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\16_9-frame-overlay.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\tk.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\nl-NL\tipresx.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ru-RU\tipresx.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\TipBand.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyScenesBackground_PAL.wmv.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\flower_precomp_matte.wmv.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\highlight.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\setEmbeddedCP.bat.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_kor.xml.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\System\msadc\en-US\msadcfr.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Pipeline.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\mr.pak.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\lib\derbyLocale_it.jar.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\gu.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\mshwgst.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\rectangle_scrapbook_Thumbnail.bmp.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\ro.pak.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\MEIPreload\preloaded_data.pb.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Internet Explorer\en-US\iedvtool.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\navSubpicture.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\NextMenuButtonIcon.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\ro.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\zh-TW\tipresx.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaremr.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationRight_ButtonGraphic.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\CircleSubpicture.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\bod_r.TTF.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\de-DE\DVDMaker.exe.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\1047x576black.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Vignette\1047x576black.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\ExportConvertFrom.sys.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jcmd.exe.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\TipBand.dll.mui.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\hwresslm.dat.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasql.dll.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\ConvertFromUpdate.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_SelectionSubpicture.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_image-frame-border.png.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\7-Zip\Lang\nn.txt.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\delete.avi.tmp	a40b210719184e57baca5b8ea58484a0N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base_jpn.xml.tmp	a40b210719184e57baca5b8ea58484a0N.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	a40b210719184e57baca5b8ea58484a0N.exe

C:\Users\Admin\AppData\Local\Temp\a40b210719184e57baca5b8ea58484a0N.exe
"C:\Users\Admin\AppData\Local\Temp\a40b210719184e57baca5b8ea58484a0N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2152

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
49KB

MD5
6cacf706db9fdfb6c66207f4309b92f5

SHA1
1273a1ad0dae99a7f73b1e362150a8560bcdcccc

SHA256
ce1395cf381c976d0768462df34b8f8839000bdac8506098c061ac491e06dc7c

SHA512
2bffad3d37fb2ad4a0f1f1262dda1e0d0c2ce6c5ce4396180823cf75daf76047d1f5ed1d614da56a86d46bad75b86084016294dcaf7f23610b51d6cb560f2822

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

Filesize
58KB

MD5
45ec55571fc2b13dba3a9953e01ee4ba

SHA1
55cf4d16afb5a8107f9e8bf76237b0b55a2bee50

SHA256
e5feafcb66b3bd4e3681c240d3140947951ac03ed3ee2a2ebe7b521c9c843dd9

SHA512
a83389f0daa2b84d40761165e0cb482ccd1ddd4c82dc2823e8bb8b255a41d8964b9245328f72bcd9b5a4dbed03188a03d10590c0a82f58a7bae251f74d1e9fb7

Download Submit
memory/2152-0-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download
memory/2152-26-0x0000000000400000-0x000000000040A000-memory.dmp

Filesize
40KB

Download