45a007b67413484340ed8624b66b71e33480fef4f411dd83b137898923f3892e

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, 06:17

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General

Target

3931ab173fd83144e591fe8767baa710N.exe
Size

88KB
MD5

3931ab173fd83144e591fe8767baa710
SHA1

6ea23fe9aa7eaf6cdca175d740001f7ae5b9d60e
SHA256

45a007b67413484340ed8624b66b71e33480fef4f411dd83b137898923f3892e
SHA512

8d98a4fa0c89379f3d06a6268ae1276c61c8d05bc17945200e2a09c443dfb55aff71d23324194811599576188bc90f64179d89716e01fdc767bbf14deda68aca
SSDEEP

1536:V7Zf/FAxTWoJJZENTNyoKIKMTTW7JJZENTNyoKIKM4:fny1tE5KIK7tE5KIKv

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (2893) 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/2404-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00090000000120f9-2.dat	upx
behavioral1/files/0x000c000000010546-6.dat	upx
behavioral1/memory/2404-68-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Jakarta.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.equinox.p2.jarprocessor_1.0.300.v20131211-1531.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Boa_Vista.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\config\Modules\org-netbeans-lib-profiler.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Microsoft Games\Mahjong\Mahjong.exe.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fr-FR\mshwLatin.dll.mui.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ipsnor.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Full\1047x576black.png.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\Rectangles\15x15dot.png.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\4to3Squareframe_Buttongraphic.png.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Google\Chrome\Application\chrome.VisualElementsManifest.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Maceio.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-modules-options-api_zh_CN.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-settings.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Montreal.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\bin\decora-sse.dll.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\management-agent.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Africa\Khartoum.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Majuro.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Edmonton.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-windows_zh_CN.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\config\Modules\org-netbeans-core-execution.xml_hidden.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-netbeans-api-search_ja.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\profiler\modules\org-netbeans-modules-profiler-heapwalker.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\DVD Maker\Shared\DvdStyles\BabyBoy\BabyBoyNotesBackground_PAL.wmv.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\plugins\org.eclipse.e4.core.commands.nl_ja_4.4.0.v20140623020002.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-modules-options-keymap.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Pacific\Chuuk.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\ext\locale\updater_zh_CN.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Irkutsk.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Reference Assemblies\Microsoft\Framework\v3.5\it\System.Management.Instrumentation.Resources.dll.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\tabskb.dll.mui.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Asia\Samarkand.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.ecf.filetransfer.httpclient4.ssl.feature_1.0.0.v20140827-1444\META-INF\ECLIPSE_.SF.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\locale\org-openide-nodes_ja.jar.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\TipBand.dll.mui.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Cuiaba.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\missioncontrol\features\org.eclipse.e4.rcp_1.3.100.v20141007-2033\feature.properties.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\VERSION.txt.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\currency.data.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\visualvm\update_tracking\com-sun-tools-visualvm-jvmstat.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Africa\Ceuta.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Santarem.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\System\msadc\msadcer.dll.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Internet Explorer\ieinstal.exe.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Baku.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Riyadh.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\System\msadc\de-DE\msadcor.dll.mui.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\sr.pak.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\deploy\messages_ko.properties.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\ext\meta-index.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Sao_Paulo.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\update_tracking\org-netbeans-core-startup.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Qyzylorda.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Asia\Tashkent.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Google\Chrome\Application\106.0.5249.119\Locales\de.pak.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\bin\jsoundds.dll.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\America\Antigua.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jre7\lib\zi\Etc\GMT+12.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\fsdefinitions\main\base.xml.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\America\Barbados.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\jre\lib\zi\Indian\Mauritius.tmp	3931ab173fd83144e591fe8767baa710N.exe
File created	C:\Program Files\Java\jdk1.7.0_80\lib\visualvm\platform\modules\org-netbeans-modules-editor-mimelookup-impl.jar.tmp	3931ab173fd83144e591fe8767baa710N.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	3931ab173fd83144e591fe8767baa710N.exe

C:\Users\Admin\AppData\Local\Temp\3931ab173fd83144e591fe8767baa710N.exe
"C:\Users\Admin\AppData\Local\Temp\3931ab173fd83144e591fe8767baa710N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2404

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-1-5-21-4177215427-74451935-3209572229-1000\desktop.ini.tmp

Filesize
89KB

MD5
e5651ed6906e8fffad0d53ea338c4838

SHA1
698bb7405bea158af17b14616707b261711a8eed

SHA256
b59c38f482e8808ffd41921b98a79447fd60fc0e80baea9e358c8187ca88884e

SHA512
db35127be216f0d7db5bc200a0780e0f29b1d5c47a6abb1286a67cf3a4933c280cab03c99e8c88ac16fc28733f38524e8ef9cbfe620a22e85ee8815524ac743e

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

Filesize
98KB

MD5
84ec7383c6f0121d1707aec305029f77

SHA1
7f82fb34ffe9811136235b22c2105c29fcbecacc

SHA256
d3360da7151bba0b23d9cc0d4392a46444267124eb2ac3035efb981eb2ea2085

SHA512
7e492d3a87ebd0f50da7691c3d30075f9ec4470cd4ffee405cbe92ea78b6ecb028bf2567052643d2d4276de370a7c71f2adce7db0b396e3f9e42e1464ee42c2a

Download Submit
memory/2404-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2404-68-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download