Overview
overview
9Static
static
9Decache Ex...7z.dll
windows10-2004-x64
3Decache Ex...7z.dll
windows11-21h2-x64
3Decache Ex...7z.exe
windows10-2004-x64
3Decache Ex...7z.exe
windows11-21h2-x64
3Decache Ex...7z.exe
windows10-2004-x64
1Decache Ex...7z.exe
windows11-21h2-x64
1Decache Ex...ux.sfx
ubuntu-18.04-amd64
3Decache Ex...on.exe
windows10-2004-x64
1Decache Ex...on.exe
windows11-21h2-x64
1Decache Ex...32.dll
windows10-2004-x64
3Decache Ex...32.dll
windows11-21h2-x64
3Decache Ex...on.dll
windows10-2004-x64
3Decache Ex...on.dll
windows11-21h2-x64
3Decache Ex...ec.dll
windows10-2004-x64
3Decache Ex...ec.dll
windows11-21h2-x64
3Decache Ex...nc.dll
windows10-2004-x64
3Decache Ex...nc.dll
windows11-21h2-x64
3Decache Ex...ts.bat
windows10-2004-x64
1Decache Ex...ts.bat
windows11-21h2-x64
1Decache Ex...ze.bat
windows10-2004-x64
1Decache Ex...ze.bat
windows11-21h2-x64
1Decache Ex...rl.exe
windows10-2004-x64
1Decache Ex...rl.exe
windows11-21h2-x64
1Decache Ex...dd.exe
windows10-2004-x64
3Decache Ex...dd.exe
windows11-21h2-x64
3Decache Ex...eg.exe
windows10-2004-x64
3Decache Ex...eg.exe
windows11-21h2-x64
3Decache Ex...ew.exe
windows10-2004-x64
7Decache Ex...ew.exe
windows11-21h2-x64
7Decache Ex...ew.exe
windows10-2004-x64
9Decache Ex...ew.exe
windows11-21h2-x64
9Decache Ex...ew.exe
windows10-2004-x64
9Analysis
- max time kernel
149s - max time network
161s - platform
windows10-2004_x64 - resource
win10v2004-20260513-en - resource tags
arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows - submitted
02/06/2026, 03:58
Behavioral task
behavioral1
Sample
Decache Exporter/bin/7z/7z.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
Decache Exporter/bin/7z/7z.dll
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
Decache Exporter/bin/7z/7z.exe
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
Decache Exporter/bin/7z/7zCon.linux.sfx
Resource
ubuntu1804-amd64-20260513-en
Behavioral task
behavioral8
Sample
Decache Exporter/bin/7z/7zCon.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral9
Sample
Decache Exporter/bin/7z/7zCon.exe
Resource
win11-20260513-en
Behavioral task
behavioral10
Sample
Decache Exporter/bin/7z/Codecs/Modern7z.32.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral11
Sample
Decache Exporter/bin/7z/Codecs/Modern7z.32.dll
Resource
win11-20260513-en
Behavioral task
behavioral12
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlicommon.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral13
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlicommon.dll
Resource
win11-20260513-en
Behavioral task
behavioral14
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlidec.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral15
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlidec.dll
Resource
win11-20260513-en
Behavioral task
behavioral16
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlienc.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral17
Sample
Decache Exporter/bin/7z/Codecs/brotli/libbrotlienc.dll
Resource
win11-20260513-en
Behavioral task
behavioral18
Sample
Decache Exporter/bin/check_dir_exists.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral19
Sample
Decache Exporter/bin/check_dir_exists.bat
Resource
win11-20260513-en
Behavioral task
behavioral20
Sample
Decache Exporter/bin/check_size.bat
Resource
win10v2004-20260513-en
Behavioral task
behavioral21
Sample
Decache Exporter/bin/check_size.bat
Resource
win11-20260513-en
Behavioral task
behavioral22
Sample
Decache Exporter/bin/curl.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral23
Sample
Decache Exporter/bin/curl.exe
Resource
win11-20260513-en
Behavioral task
behavioral24
Sample
Decache Exporter/bin/dd.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral25
Sample
Decache Exporter/bin/dd.exe
Resource
win11-20260513-en
Behavioral task
behavioral26
Sample
Decache Exporter/bin/ffmpeg.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral27
Sample
Decache Exporter/bin/ffmpeg.exe
Resource
win11-20260513-en
Behavioral task
behavioral28
Sample
Decache Exporter/bin/history/BrowsingHistoryView.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral29
Sample
Decache Exporter/bin/history/BrowsingHistoryView.exe
Resource
win11-20260513-en
Behavioral task
behavioral30
Sample
Decache Exporter/bin/history/ChromeHistoryView.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral31
Sample
Decache Exporter/bin/history/ChromeHistoryView.exe
Resource
win11-20260513-en
General
- Target Decache Exporter/bin/history/MozillaHistoryView.exe
- Size 223KB
- Sample260602-ejmn7adv4v
- SHA256 b38d79eed498d0aa6d310e86dc8044f9684f5b8d350e9bd7cacf79a881b873ab
- MD5 561621bd0386450c39ca65849482f6ac
- SHA1 d10cee5d89a6b42dfbc1203098f532b89cac58cf
- SHA512 f1d74a15d37cd36006a6ef22217fd459ee65a2b7f0659f75e11ee524a98e37753a0f8a2c9531a4ebe6737d0a09cff0a2cad6409b08feea24b9b2882785f1d777
- SSDEEP 6144:0kuGpIpLrh48KMY0sC/dmdiEkjPW0nWZy:TuGpSq8K70XVDdW0nWZy
- TLSH T18D2412E569D61756DC2F59784157CD323CF8B2D92EC281BA78A8D83A38B2B403F63017
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Signatures
- Detected Nirsoft tools 2 IoCs
Free utilities often used by attackers which can steal passwords, product keys, etc.
resource yara_rule behavioral32/memory/4156-4-0x0000000000400000-0x0000000000471000-memory.dmp Nirsoft behavioral32/memory/4156-5-0x0000000000400000-0x0000000000471000-memory.dmp Nirsoft -
resource yara_rule behavioral32/memory/4156-0-0x0000000000400000-0x0000000000471000-memory.dmp upx behavioral32/memory/4156-4-0x0000000000400000-0x0000000000471000-memory.dmp upx behavioral32/memory/4156-5-0x0000000000400000-0x0000000000471000-memory.dmp upx - Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- 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.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language MozillaHistoryView.exe - Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4156 MozillaHistoryView.exe 4156 MozillaHistoryView.exe 4156 MozillaHistoryView.exe 4156 MozillaHistoryView.exe - Suspicious behavior: GetForegroundWindowSpam 1 IoCs
pid Process 4156 MozillaHistoryView.exe
Processes
-
C:\Users\Admin\AppData\Local\Temp\Decache Exporter\bin\history\MozillaHistoryView.exe"C:\Users\Admin\AppData\Local\Temp\Decache Exporter\bin\history\MozillaHistoryView.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: GetForegroundWindowSpam
PID:4156