Resubmissions
12-08-2021 13:20
210812-s5k1bdx2tj 1012-08-2021 13:06
210812-ywwkwmkmzn 1012-08-2021 12:42
210812-13ygffvy9j 1012-08-2021 12:41
210812-ph9ze8t96a 10Analysis
-
max time kernel
100s -
max time network
154s -
platform
windows11_x64 -
resource
win11 -
submitted
12-08-2021 13:06
Static task
static1
General
-
Target
g6yzl1NROz6FgZi.exe
-
Size
1.2MB
-
MD5
7a8fa3fe4b23a2ca9612b2b1cf096f6a
-
SHA1
898d020a309d30d33055978794b2131fa5a18698
-
SHA256
9dacb6e97f39f81eee74d0779165f4a74e31f27cec1a67d52c541c52ed169d73
-
SHA512
a77912743ed08c7814d6b3a7a3fea19728561f69891c862ea35957ca4886beded2ffea80342af5d9c7b45a8aa868cd8dc9edcc67b62e1b53f25d5c21be407370
Malware Config
Extracted
matiex
https://api.telegram.org/bot1769394961:AAF5BB35akL859CwVaXypIqpVsGWlaKvi7A/sendMessage?chat_id=1735544933
Signatures
-
Matiex Main Payload 2 IoCs
resource yara_rule behavioral1/memory/4672-202-0x0000000000400000-0x0000000000476000-memory.dmp family_matiex behavioral1/memory/4672-210-0x00000000059A0000-0x0000000005F46000-memory.dmp family_matiex -
suricata: ET MALWARE Matiex Keylogger Exfil Via Telegram
suricata: ET MALWARE Matiex Keylogger Exfil Via Telegram
-
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
-
Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
-
Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
-
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Key created \REGISTRY\USER\S-1-5-21-257790753-2419383948-818201544-1000\Software\Microsoft\Windows\CurrentVersion\Run msedge.exe -
Enumerates connected drives 3 TTPs 1 IoCs
Attempts to read the root path of hard drives other than the default C: drive.
description ioc Process File opened (read-only) \??\D: svchost.exe -
Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 3 freegeoip.app 25 checkip.dyndns.org 65 freegeoip.app -
Writes to the Master Boot Record (MBR) 1 TTPs 1 IoCs
Bootkits write to the MBR to gain persistence at a level below the operating system.
description ioc Process File opened for modification \??\PhysicalDrive0 svchost.exe -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3560 set thread context of 4672 3560 g6yzl1NROz6FgZi.exe 91 -
Drops file in Windows directory 3 IoCs
description ioc Process File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\ConnectedDevicesPlatform\CDPGlobalSettings.cdp.override svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\ConnectedDevicesPlatform\Connected Devices Platform certificates.sst svchost.exe File opened for modification C:\Windows\ServiceProfiles\LocalService\AppData\Local\ConnectedDevicesPlatform\CDPGlobalSettings.cdp svchost.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer msedge.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemProductName msedge.exe -
Modifies data under HKEY_USERS 48 IoCs
description ioc Process Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs sihclient.exe Key created \REGISTRY\USER\S-1-5-20\Software\Microsoft\Windows\CurrentVersion\Uninstall svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust sihclient.exe Key created \REGISTRY\USER\S-1-5-19\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Uninstall svchost.exe Key created \REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache svchost.exe Key created \REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs sihclient.exe Key created \REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache\7\52C64B7E svchost.exe Key created \REGISTRY\USER\S-1-5-19\Software\Microsoft\Windows\CurrentVersion\Uninstall svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs sihclient.exe Key created \REGISTRY\USER\S-1-5-19\Software\Classes\Local Settings\MuiCache\7\52C64B7E svchost.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates sihclient.exe Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates sihclient.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 1108 msedge.exe 1108 msedge.exe 4452 msedge.exe 4452 msedge.exe 4672 g6yzl1NROz6FgZi.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeSystemEnvironmentPrivilege 4908 svchost.exe Token: SeDebugPrivilege 4672 g6yzl1NROz6FgZi.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4452 msedge.exe 4452 msedge.exe -
Suspicious use of WriteProcessMemory 64 IoCs
description pid Process procid_target PID 5032 wrote to memory of 588 5032 svchost.exe 82 PID 5032 wrote to memory of 588 5032 svchost.exe 82 PID 4452 wrote to memory of 836 4452 msedge.exe 83 PID 4452 wrote to memory of 836 4452 msedge.exe 83 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1008 4452 msedge.exe 84 PID 4452 wrote to memory of 1108 4452 msedge.exe 85 PID 4452 wrote to memory of 1108 4452 msedge.exe 85 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86 PID 4452 wrote to memory of 1492 4452 msedge.exe 86
Processes
-
C:\Users\Admin\AppData\Local\Temp\g6yzl1NROz6FgZi.exe"C:\Users\Admin\AppData\Local\Temp\g6yzl1NROz6FgZi.exe"1⤵
- Suspicious use of SetThreadContext
PID:3560 -
C:\Users\Admin\AppData\Local\Temp\g6yzl1NROz6FgZi.exe"C:\Users\Admin\AppData\Local\Temp\g6yzl1NROz6FgZi.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4672 -
C:\Windows\SysWOW64\netsh.exe"netsh" wlan show profile3⤵PID:1312
-
-
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k wsappx -p -s ClipSVC1⤵
- Suspicious use of AdjustPrivilegeToken
PID:4908
-
C:\Windows\System32\sihclient.exeC:\Windows\System32\sihclient.exe /cv 8PFJ7Xr/RkiQhw851r/usQ.0.21⤵
- Modifies data under HKEY_USERS
PID:4852
-
C:\Windows\system32\wlrmdr.exe-c -s 0 -f 0 -t Empty -m Empty -a 0 -u Empty1⤵PID:3528
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --profile-directory=Default1⤵
- Adds Run key to start application
- Enumerates system info in registry
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of FindShellTrayWindow
- Suspicious use of WriteProcessMemory
PID:4452 -
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\Admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=92.0.4515.107 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=92.0.902.62 --initial-client-data=0x104,0x108,0x10c,0xe0,0x110,0x7fffcaf746f8,0x7fffcaf74708,0x7fffcaf747182⤵PID:836
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --gpu-preferences=UAAAAAAAAADgAAAQAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAHgAAAAAAAAAeAAAAAAAAAAoAAAABAAAACAAAAAAAAAAKAAAAAAAAAAwAAAAAAAAADgAAAAAAAAAEAAAAAAAAAAAAAAADQAAABAAAAAAAAAAAQAAAA0AAAAQAAAAAAAAAAQAAAANAAAAEAAAAAAAAAAHAAAADQAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=2120 /prefetch:22⤵PID:1008
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=2332 /prefetch:32⤵
- Suspicious behavior: EnumeratesProcesses
PID:1108
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --lang=en-US --service-sandbox-type=utility --mojo-platform-channel-handle=2696 /prefetch:82⤵PID:1492
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=6 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3312 /prefetch:12⤵PID:1940
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --lang=en-US --disable-client-side-phishing-detection --instant-process --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=5 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=3320 /prefetch:12⤵PID:2364
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=7 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4532 /prefetch:12⤵PID:504
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --disable-gpu-compositing --lang=en-US --disable-client-side-phishing-detection --device-scale-factor=1 --num-raster-threads=1 --renderer-client-id=8 --no-v8-untrusted-code-mitigations --mojo-platform-channel-handle=4560 /prefetch:12⤵PID:2464
-
-
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=audio.mojom.AudioService --field-trial-handle=2104,4731042061786123466,10361800637031517918,131072 --lang=en-US --service-sandbox-type=audio --mojo-platform-channel-handle=5612 /prefetch:82⤵PID:1444
-
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s PcaSvc1⤵
- Modifies data under HKEY_USERS
- Suspicious use of WriteProcessMemory
PID:5032 -
C:\Windows\System32\pcaui.exeC:\Windows\System32\pcaui.exe -n 0 -a "" -v "" -g "" -x ""2⤵PID:588
-
-
C:\Windows\System32\CompPkgSrv.exeC:\Windows\System32\CompPkgSrv.exe -Embedding1⤵PID:3060
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k netsvcs -p -s BITS1⤵
- Modifies data under HKEY_USERS
PID:1068
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalServiceAndNoImpersonation -p -s SSDPSRV1⤵PID:2176
-
C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalService -p -s CDPSvc1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3880
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalSystemNetworkRestricted -p -s StorSvc1⤵
- Enumerates connected drives
- Writes to the Master Boot Record (MBR)
PID:4120
-
C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k LocalServiceNetworkRestricted -p -s wscsvc1⤵PID:456