Overview
overview
8Static
static
3Klutz_1.4....up.exe
windows10-2004-x64
7Klutz_1.4....up.exe
windows11-ltsc_2024-x64
7$PLUGINSDI...dl.dll
windows10-2004-x64
3$PLUGINSDI...dl.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ec.dll
windows10-2004-x64
3$PLUGINSDI...ec.dll
windows11-ltsc_2024-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-ltsc_2024-x64
3bin/TgWsPr...ss.exe
windows10-2004-x64
7bin/TgWsPr...ss.exe
windows11-ltsc_2024-x64
7klutz.exe
windows10-2004-x64
8klutz.exe
windows11-ltsc_2024-x64
8General
- Target Klutz_1.4.0_x64-setup.exe
- Size 11.9MB
- Sample261029-wftf1abh33
- SHA256 98f592b0134c32ae64d0391c696a5051e5ab867dab13d537b3182d4afea66ac6
- MD5 eba90065b19b28f3cc98ebcfdab7012b
- SHA1 cdea40865fdabc905c49d9fed68ebdfa500a3408
- SHA512 91aeefad639c1ebd8d26872c1857b4723b6555aa9c4e297e75748181d2e97ed91b79fee57fb2ceb519ba930a18fa376903170146e3eb918a9439ba90e25032b1
- SSDEEP 196608:tvI6ps7DwdPFcjSN5LwwKvvaSwQiFCxpCy1f1ng+C3miWw5iAyX4KkIesWbF8j:tdwwdPlcwQiFm/ngp36L4DIZWWj
- TLSH T1B4C63355093C846AEAD005F4661B9BE3F4787535B86C34E2E72DEE912F1CA133D2EC62
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
Klutz_1.4.0_x64-setup.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Klutz_1.4.0_x64-setup.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/NSISdl.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/System.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral11
Sample
$PLUGINSDIR/nsExec.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral12
Sample
$PLUGINSDIR/nsExec.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral13
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260911-en
Behavioral task
behavioral14
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral15
Sample
bin/TgWsProxyHeadless.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral16
Sample
bin/TgWsProxyHeadless.exe
Resource
win11ltsc2024-20260911-en
Behavioral task
behavioral17
Sample
klutz.exe
Resource
win10v2004-20260911-en
Behavioral task
behavioral18
Sample
klutz.exe
Resource
win11ltsc2024-20260911-en
Malware Config
Targets
-
- Target Klutz_1.4.0_x64-setup.exe
- Size 11.9MB
- SHA256 98f592b0134c32ae64d0391c696a5051e5ab867dab13d537b3182d4afea66ac6
- MD5 eba90065b19b28f3cc98ebcfdab7012b
- SHA1 cdea40865fdabc905c49d9fed68ebdfa500a3408
- SHA512 91aeefad639c1ebd8d26872c1857b4723b6555aa9c4e297e75748181d2e97ed91b79fee57fb2ceb519ba930a18fa376903170146e3eb918a9439ba90e25032b1
- SSDEEP 196608:tvI6ps7DwdPFcjSN5LwwKvvaSwQiFCxpCy1f1ng+C3miWw5iAyX4KkIesWbF8j:tdwwdPlcwQiFm/ngp36L4DIZWWj
- TLSH T1B4C63355093C846AEAD005F4661B9BE3F4787535B86C34E2E72DEE912F1CA133D2EC62
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10-
Loads dropped DLL
-
Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
- Target $PLUGINSDIR/NSISdl.dll
- Size 15KB
- SHA256 ddf40229dd9d6b268902d8dea88c8a04aacf1af218dd29f6dcd35babc54ac08d
- MD5 8eabbe36e8b52e69322780d0f541fd19
- SHA1 e5fa3eca8d2035e4fa006b7123c348348e4e6de4
- SHA512 4189fabff409be4bc7a8e81be58fb18e32398e4ef4c01a70cf823d79e76f47c4681734808fd61db8728c73d2bcad890b09aa09d5a0f0b0c3ad581be1beaf9ce7
- SSDEEP 384:jrSQMCOUILnCaSPy/yhJzmGSMRWyOUKie:jrSQMCOp0yamMRWysie
- TLSH T17B623C16B62084F5DBB2167034D73B3E6BB28F6A1A2848C34BF35C4E9E52307B675D85
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/StartMenu.dll
- Size 7KB
- SHA256 fe330320459637d8dd2b5d84d07925c38ec264152ffd3b1760a4d44d76536caa
- MD5 b9b71990b37e04a56cadbcbfa694f30f
- SHA1 3b7627deb793446d6b12b7b94266cc592982a5c2
- SHA512 b4aa947aba471ce0ba37ab859391f6a157887c882c920a3081d482f63a83317ae75b428ebae226f835798517abb676114ee42bf13bd4c4291cebbb5e9658f2e5
- SSDEEP 96:VIt3J2Gl0eVe0+Cfo0UkXt6+o69UiGdPh5/utta/x3lkCTcaqHCI:ShE+A0+sF6piUFkA1lncviI
- TLSH T1FFF1C776F3D20673F9AB427428632F231B2AF521576581A7890316CE7A61DE3FD34B11
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 8b4c47c4cf5e76ec57dd5a050d5acd832a0d532ee875d7b44f6cdaf68f90d37c
- MD5 9b38a1b07a0ebc5c7e59e63346ecc2db
- SHA1 97332a2ffcf12a3e3f27e7c05213b5d7faa13735
- SHA512 26e77f8e10f6d8693c92bd036b53a3f6e0c523090ef8dfe479815f556ecd2b57fc90ce9f7cceebe70460d464decb27ad1fe240819fd56997764e96506b6a439c
- SSDEEP 192:kjHcQ0qWTlt7wi5Aj/lM0sEWD/wtYbBjpNQybC7y+XZ40QPi:U/Qlt7wiij/lMRv/9V4b4r
- TLSH T1E8427C1297B089F2F151093419667F2A6FBEAC5D17F405A3CFE304C63D212CB9839243
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 b1350f487692057c8ffde75dcc55287a52a3272240d4d4912f24464b27551fc0
- MD5 8f0e7415f33843431df308bb8e06af81
- SHA1 1314272e6ad3be1985d4a1607b890a34b0bde8b5
- SHA512 5450b2070c40b257c28ba9a472d762f91b78928d1e8d4d88e0576992065a61fb9a6513006e6b5947c415c9e02ae80a90a85b58da7e016a424331c8cd596ed684
- SSDEEP 96:obEv02zUu56FcS817eTaXx85qHFcUcxSgB5PKtAtoniJninnt3DVEB3YHNqkzfFc:obEvCu5e81785qHFcU0PuAw0uytIFc
- TLSH T19D12F892E2A454B3C5D6523B36AA2F2DCBBD5329B0927C01C7738E4D39395766E38343
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsExec.dll
- Size 7KB
- SHA256 b121689861b506dbc9c3797b49bc8a90d555cb7db58cb959165cc758391c00bb
- MD5 8fe362ffdfa66269b8a64e3a87f68e52
- SHA1 b5daaa60a6b8591a670da9fc3a2d6f896d55f568
- SHA512 8f2904e01b0835683a0f11114a09da291ba527d867e73db2765185f780f2278debd9c5fc4281a42a6065c5ef5947bdc6239ae4c5835df62c71e1fce80d8bf942
- SSDEEP 96:JXzdzBzMDhOZZDbXf5GsWvSv1ckne94SDbYkvML1HT1fUNQaSGYuHnDQ:JgQHDb2vSuOc41ZfUNQZGdHD
- TLSH T1F8E1193571C02DF7E08D89707816BD2F83F4D43627BA05A04A771AD579D0AF6EE28B42
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsis_tauri_utils.dll
- Size 33KB
- SHA256 5ba143b5db4a87d32d6e7802e033330aae56cbceabe0d1e3ba41948385ad4709
- MD5 948eaa3cb78c2dcdd9eb1ab120ae0f65
- SHA1 75197fee3c6a814fe035788d1c34ead39349b860
- SHA512 f7c511e8c73ef6ee9b72c88cd73b2d454a6ffc12144118df2276ea3f5c34175df0d9d15a435035575ca2b171789fe348d7a9028b702b47dda749ee17e03ae7c1
- SSDEEP 768:K/wOD4gzTVpAVk2h5Rsekk55aCukBFKpnp0jdhK7W+qVG:8wODZzTrAV5Oevq4DtXHVG
- TLSH T188F24A48FDC57EBAE2CF05710809467E4A6FC8081700C96BE3722EA3D5A67329ED525F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target bin/TgWsProxyHeadless.exe
- Size 10.1MB
- SHA256 4fbdec12fb8b770a37c50262850c6c11b204c0c79c37c1503d8b517d9936120a
- MD5 aec55e9ed49bc58d376acbc3bd88be4c
- SHA1 2ce8798517993aa52d9b194ac3a0bce5d03def14
- SHA512 c63e5e4ccd0c68d3800dcf83214c82d8b2f4639a8350345768bed06f808a8d58704149219e24bab6a2b8623b78d3d7b04938a979a6f82df0722e9fc896ae4441
- SSDEEP 196608:oZoRjAwnWIKPEppA3ZjnxbAQveFuEtwq+ZkiKDIjx0vBqyVwbl8s/:Y2A9dPEppA35nxv89aq+ZkF0x0AE25
- TLSH T1D9B63318A15014FAD4A6D23CCAA7D226F5F17CA55322C5CF4794EA723E23AF05D3AF09
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10-
Loads dropped DLL
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
- Target klutz.exe
- Size 5.9MB
- SHA256 dc3d29fa40a1fc0032e60de52e9de9584291e87d68c894c6dec6524b0f22938b
- MD5 accc6230b40a1ffa61e36df89280a611
- SHA1 153b432224b74f643b39faef788af8e77217a25f
- SHA512 242c9a3fc57a338b3ce7258783f36695cf4d91d2303b5e338bf7bff428560c6b7b49b019b2534ae248d71f36ec32bba352f0f8a7ad8b2d7428abe030dbfe9c12
- SSDEEP 49152:52Qq1gmRHUnkLvVshqYvxvtgcVegDFTAa0yrudrHlkB6CutLBoMzmmH1b/tQLKis:4n2DuGu9HL7V2GidpR34tYrouXaIo1
- TLSH T129565D03F66181E8C06EC579831AA633F732B89D093476AF57E45B312E66F60AF1D349
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Modifies Windows Firewall
-
Checks whether UAC is enabled
-
Discovers running processes
Running process information can be used to identify security tools or plan follow-on actions.
MITRE ATT&CK Enterprise v16
Persistence
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1Privilege Escalation
Create or Modify System Process
1Windows Service
1Event Triggered Execution
1Netsh Helper DLL
1