81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96

Analysis

max time kernel
120s
max time network
16s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
10/10/2024, 01:29

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General

Target

81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
Size

8.8MB
MD5

77b3cd73ab9d593d3d082fcb8f24b7a0
SHA1

08c3bef0a342b67ac3c2b9668244e30ce12a0ec0
SHA256

81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96
SHA512

6a8a57577b48bff71c356cf9884e97fb6757d1ff2cd0f207276bc67bfd12af3961b6d094a62ee4e4bd0dc7771049be6e6b1415feee7218a87cc72396c4cbb133
SSDEEP

98304:/oT8b02MitZsuKjsES9N7idcP6xjrjQ0VoQ4msik/3KMXYIHLbeRFewVMftn1+dw:SiZ0mx3msiYzjLO8qdexeavF3H

Score

9^/10

discovery ransomware upx

Malware Config

Signatures

Renames multiple (197) 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/2616-0-0x0000000000400000-0x000000000040B000-memory.dmp	upx
behavioral1/files/0x00080000000120f9-2.dat	upx
behavioral1/files/0x000c000000010546-6.dat	upx
behavioral1/memory/2616-26-0x0000000000400000-0x000000000040B000-memory.dmp	upx

Drops file in Program Files directory 64 IoCs

description	ioc	Process
File created	C:\Program Files\7-Zip\Lang\tg.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\ShapeCollector.exe.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.bin.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\da.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\msgfilt.dll.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InkWatson.exe.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ta.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\7zG.exe.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\cy.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ka.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\mng.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ms.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\tr.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\7z.exe.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ku-ckb.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\Filters\offfiltx.dll.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\hi.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\descript.ion.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ko.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\sk.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\th.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\readme.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\dicjp.dll.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\boxed-split.avi.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\7zFM.exe.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\InkObj.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InputPersonalization.exe.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\IpsMigrationPlugin.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ky.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\mn.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ne.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\pt-br.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\yo.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Uninstall.exe.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\FlickLearningWizard.exe.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\bn.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\TipBand.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\InkObj.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\is.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\mng2.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\nl.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\tt.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\uz.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\Content.xml.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\ConvertInkStore.exe.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\eu.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\join.avi.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\zh-cn.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\bg-BG\tipresx.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\IpsMigrationPlugin.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\sq.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\hy.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\id.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\io.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ja.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\kk.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\be.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\he.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\de-DE\TipTsf.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\Common Files\Microsoft Shared\ink\en-US\mshwLatin.dll.mui.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\an.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\ca.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\Lang\af.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
File created	C:\Program Files\7-Zip\History.txt.tmp	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.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	81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe

C:\Users\Admin\AppData\Local\Temp\81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe
"C:\Users\Admin\AppData\Local\Temp\81592aabf6c1cf45313287c827d96b42b5f6582663e0e3e3f4c0a79a27045f96N.exe"
1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
PID:2616

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
8.8MB

MD5
cb5a6b8f2a418b8c24fbee811605d657

SHA1
548cf20169b5c659e54e8ec9f9fc3e1935bbb3a9

SHA256
8d2059df6a41f91f3398613a1dbacd79a9a34c15e2e6259c539c3204e8c2a884

SHA512
27ca4580df2193ce420db0fdb9a4a862887a9bcb7128e6c7e881e38025b0e3c5d2ede7014a531aa573d09bdf11c7f6a405df834e653b7675e0dc52da77eba203

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

Filesize
8.8MB

MD5
b353473465bd03cb54b86012df0aab3e

SHA1
aca38d51198fa56bd164450bb24823b7cacc99a5

SHA256
573e4d26cc0827bdf25d8f8330b8c873f5dfb0d3a8ed0dbef54d4a1c81685aff

SHA512
bf1febf47a1da633f8e90543cd4a9894df499ec8ed4483d53293d12f6e624861c426304af8a9979531a4ad705a1065ee0104c5fc3165f34351129ceafffb66fa

Download Submit
memory/2616-0-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download
memory/2616-26-0x0000000000400000-0x000000000040B000-memory.dmp

Filesize
44KB

Download