906a7d57b504110abe748fbc5e73290593d2804baa9e76a49158934308ce2fde

Analysis

max time kernel
119s
max time network
21s
platform
windows7_x64
resource
win7-20240705-en
resource tags

arch:x64arch:x86image:win7-20240705-enlocale:en-usos:windows7-x64system
submitted
27/07/2024, 10:07

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General

Target

b4723c98a2f43c2075b5771318a29010N.exe
Size

46KB
MD5

b4723c98a2f43c2075b5771318a29010
SHA1

2417ee8072a3baf3fe425fd0294729caae5d399b
SHA256

906a7d57b504110abe748fbc5e73290593d2804baa9e76a49158934308ce2fde
SHA512

f8dfac153918151eabc106d2d32047b92b4404252a35ae7779e12d591a33d3e989250212452736a5db71fbc7fc40f5b4a22881ab2bba3a57e0ddc30cccdb77e7
SSDEEP

768:V7Blpf/FAK65euBT37CPKKQSjyJJBZBZaOAOIB3jM2jM3:V7Zf/FAxTWoJJB7LD2I2I3

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (603) 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/2652-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00070000000120cd-2.dat	upx
behavioral1/files/0x000f00000001045a-6.dat	upx
behavioral1/memory/2652-98-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\InkObj.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLMF.DLL.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\To_Do_List.emf.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\7-Zip\Lang\sl.txt.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdasqlr.dll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\ConvertAdd.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\circle_glass_Thumbnail.bmp.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\SportsNotesBackground.wmv.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_de.properties.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\Ole DB\sqloledb.rll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\15x15dot.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationLeft_SelectionSubpicture.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\VisualElements\SmallLogo.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\jfxmedia.dll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Heart_VideoInset.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\SpecialNavigationRight_ButtonGraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\images\cursors\win32_CopyNoDrop32x32.gif.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\javafx.properties.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\zh-CN\tipresx.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\Ole DB\ja-JP\oledb32r.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\Ole DB\msdaosp.dll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\curtains.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Performance\whitemenu.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcs.dll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\MSInfo\ja-JP\msinfo32.exe.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\msadc\it-IT\msadcer.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Shatter\NavigationLeft_ButtonGraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_it.properties.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ja-JP\TipRes.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\keypad\kor-kor.xml.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\InputPersonalization.exe.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\photoedge_buttongraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\7-Zip\Lang\eo.txt.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Title_mainImage-mask.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Internet Explorer\D3DCompiler_47.dll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\classfile_constants.h.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\FlipPage\NavigationRight_ButtonGraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\InkWatson.exe.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\it-IT\TipRes.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\ado\msado27.tlb.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_VideoInset.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\NavigationLeft_ButtonGraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\HueCycle\colorcycle.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\NavigationLeft_SelectionSubpicture.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\offfiltx.dll.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\icudtl.dat.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\include\win32\bridge\AccessBridgeCallbacks.h.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Push\NavigationUp_ButtonGraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\nl-NL\tipresx.dll.mui.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Circle_VideoInset.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\chrome_200_percent.pak.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Installer\chrmstp.exe.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jstat.exe.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\bin\jstatd.exe.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\delete.avi.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\System\ado\msado26.tlb.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyGirl\16_9-frame-image-mask.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\NavigationLeft_ButtonGraphic.png.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\stopNetworkServer.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\7-Zip\Lang\he.txt.tmp	b4723c98a2f43c2075b5771318a29010N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsfra.xml.tmp	b4723c98a2f43c2075b5771318a29010N.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	b4723c98a2f43c2075b5771318a29010N.exe

C:\Users\Admin\AppData\Local\Temp\b4723c98a2f43c2075b5771318a29010N.exe
"C:\Users\Admin\AppData\Local\Temp\b4723c98a2f43c2075b5771318a29010N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2652

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-1-5-21-3502430532-24693940-2469786940-1000\desktop.ini.tmp

Filesize
46KB

MD5
1fc26553e2e13f08b1dcb2e54a401ed5

SHA1
5c6487411f8b158fd5dd8cd759f99bda4b4205d3

SHA256
2009898f6db06ba14e1f597ba81b0b066768eb64997e8616727fca717173a73b

SHA512
28530a2c94573e5bb354a5e0cc69e493e369841c08bab721eb327065d3000c2ae5d760a2dd4f63e8fabcf57f4c78e6431c1022fbac80cc226bf11fbfa158a998

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

Filesize
55KB

MD5
0bd12baa2ac7d952f953a383aa418747

SHA1
20328463e47c19363526f8e8a95c6da99d3c6764

SHA256
b08a16c6b112915838a4ff101b194340a08863bd615bcacfbd70ce8ae4dfc20b

SHA512
a7c7ac186b8b1078b7655bc7b603b8f015760bde43f9e9614b643fd8c824b40ecbae07170e7c9dceacd145b2397e83d9a87b90d75184a29965378121c8f7ba57

Download Submit
memory/2652-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2652-98-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download