a4f855f491ef8dae7147480879a32c6f1721a640ba195b3ffb2e57f1e46f3a43

Analysis

max time kernel
120s
max time network
21s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
05/09/2024, 13:39

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General

Target

b43e3c319c74c536c594a933fe2dd080N.exe
Size

200KB
MD5

b43e3c319c74c536c594a933fe2dd080
SHA1

48ad572afb80665e727af47db444aa30b8c49f0f
SHA256

a4f855f491ef8dae7147480879a32c6f1721a640ba195b3ffb2e57f1e46f3a43
SHA512

005eac52dea1d838b899326966a7a2177494b952f83c3c7abb85970b728e96c9177339cb147df897571c8bf154a0bc5fc322ad9f52ddac99fe43c7abaf6e9f4a
SSDEEP

3072:fny1di4eLz1ipxjMKm0KUFncmdi4eLz1ipxjMKm0KUFncX:Km4elYxLKUFU4elYxLKUFW

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2704) 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/816-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x000b000000012282-2.dat	upx
behavioral1/files/0x0002000000010541-6.dat	upx
behavioral1/memory/816-68-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+9.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\System\ado\msado21.tlb.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Memories\Title_select-highlight.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\sunjce_provider.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-keyring-impl.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\deploy\messages_zh_CN.properties.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Africa\El_Aaiun.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Juneau.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationUp_SelectionSubpicture.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Antarctica\DumontDUrville.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Australia\Hobart.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+11.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.babel.nls_eclipse_ja_4.4.0.v20140623020002\license.html.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-keyring-fallback_zh_CN.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Microsoft Games\FreeCell\es-ES\FreeCell.exe.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\System\Ole DB\es-ES\sqlxmlx.rll.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.core.feature_1.1.0.v20140827-1444\feature.xml.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-spi-actions_ja.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-heapwalker.xml.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\tipresx.dll.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\libEGL.dll.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-options-api.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\update_tracking\org-netbeans-modules-profiler-selector-ui.xml.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\7-Zip\Lang\lv.txt.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\System\msadc\fr-FR\msdaprsr.dll.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\SystemV\EST5.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\MST7MDT.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\OFFICE14\MSOXMLED.EXE.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\St_Johns.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\jawt.lib.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.ui.workbench.nl_ja_4.4.0.v20140623020002.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-applemenu_ja.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\security\javaws.policy.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_frame-shadow.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\SpecialOccasion\NavigationRight_ButtonGraphic.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\MST.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\bin\gstreamer-lite.dll.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\MET.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Microsoft Games\Multiplayer\Backgammon\it-IT\bckgzm.exe.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Bishkek.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\7-Zip\Lang\sv.txt.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\symbols\ea-sym.xml.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\System\Ole DB\de-DE\sqlxmlx.rll.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Heart_VideoInset.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\db\bin\dblook.bat.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.ssl.feature_1.0.0.v20140827-1444\META-INF\MANIFEST.MF.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\locale\org-netbeans-modules-profiler-selector-ui_ja.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\security\trusted.libraries.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Pets\Pets_btn-back-over-select.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.publisher.nl_ja_4.4.0.v20140623020002.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Havana.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\IPSEventLogMsg.dll.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.launcher.nl_zh_4.4.0.v20140623020002.jar.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\ir.idl.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\osknumpad\osknumpadbase.xml.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Sports\GoldRing.png.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_pt_BR.properties.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\mshwLatin.dll.mui.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Stationery\Pine_Lumber.jpg.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Europe\Istanbul.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\DVD Maker\DVDMaker.exe.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\meta-index.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Kathmandu.tmp	b43e3c319c74c536c594a933fe2dd080N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Kuala_Lumpur.tmp	b43e3c319c74c536c594a933fe2dd080N.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	b43e3c319c74c536c594a933fe2dd080N.exe

C:\Users\Admin\AppData\Local\Temp\b43e3c319c74c536c594a933fe2dd080N.exe
"C:\Users\Admin\AppData\Local\Temp\b43e3c319c74c536c594a933fe2dd080N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:816

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-1-5-21-1846800975-3917212583-2893086201-1000\desktop.ini.tmp

Filesize
201KB

MD5
0caa02a3366b7af1aa1a43d58dd73750

SHA1
19a20e04914d1962fa90f244d1345f3e86108b80

SHA256
e9b9a2d216f0902ace83340d77e97a01632e917a442a0b8e747fb1b5e34783b9

SHA512
09e06390584ec7cb049c00a6dcf7c979307a1104e37816771099162125b836aeb3454f7dcf977169a8c18d4153e615e4586503d1e7829accfeb2bf49d1ab3bd5

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

Filesize
210KB

MD5
4e50916f85037bf7a62b1d6d6cf35b1e

SHA1
1fbba5ca38a6b27ca809726d2963312e91d3ccd2

SHA256
a5a98eee6a01d2ae684ad1429b928a8eca1e8d6e9f019804e9e86399d0188c8c

SHA512
53fa2c911d4b07912ed0489c89fecbeb1127865b2a1b1fafe14176d9d3a5471e1563d7ed103ecf30455f7773ce427d27c4665409fde2212b7e1ef501a5005caa

Download Submit
memory/816-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/816-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download