Overview
overview
7Static
static
3MortarCalc-Setup.exe
windows10-2004-x64
7MortarCalc-Setup.exe
windows11-21h2-x64
7$PLUGINSDI...nu.dll
windows10-2004-x64
3$PLUGINSDI...nu.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...gs.dll
windows10-2004-x64
3$PLUGINSDI...gs.dll
windows11-21h2-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3$TEMP/Micr...up.exe
windows10-2004-x64
6$TEMP/Micr...up.exe
windows11-21h2-x64
6MORTARCALC.exe
windows10-2004-x64
6MORTARCALC.exe
windows11-21h2-x64
6uninstall.exe
windows10-2004-x64
7uninstall.exe
windows11-21h2-x64
7$PLUGINSDI...LL.dll
windows10-2004-x64
3$PLUGINSDI...LL.dll
windows11-21h2-x64
3$PLUGINSDI...em.dll
windows10-2004-x64
3$PLUGINSDI...em.dll
windows11-21h2-x64
3$PLUGINSDI...ls.dll
windows10-2004-x64
3$PLUGINSDI...ls.dll
windows11-21h2-x64
3General
- Target MortarCalc-Setup.zip
- Size 2.3MB
- Sample260605-dvtffaby5r
- SHA256 b9dd98b40efa2bfd5e423b2530d0bf0f0157a3666591e918acb09f030dad68c6
- MD5 5ab7890d812856ffdaa66a0c3ed143d8
- SHA1 205a7eed644ce729f0e451dd2919c69c8481c09a
- SHA512 aacddd3602bf15b9d55bef05cce4b8353de32326efa529d4d77ca03bc8cae56ab60e3064b3691362022e51ae485a41968cc2659e5907271ffb6786f649c44b7f
- SSDEEP 49152:yYJ2f+5jWfIEQ1/Ulm00+WNcYGrf2fS199d7DIfHe8GrOKXGmG:NJ2fiWfFQ1/E0/imS199h381F
- TLSH T1F6B5330512BD58FE4B20FC367DD723F936C906087047AC2CA75D065EBB846FE16E9A4A
- MD5 SHA1 SHA512 SSDEEP TLSH
Static task
static1
Behavioral task
behavioral1
Sample
MortarCalc-Setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral2
Sample
MortarCalc-Setup.exe
Resource
win11-20260513-en
Behavioral task
behavioral3
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral4
Sample
$PLUGINSDIR/StartMenu.dll
Resource
win11-20260513-en
Behavioral task
behavioral5
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral6
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral7
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral8
Sample
$PLUGINSDIR/nsDialogs.dll
Resource
win11-20260513-en
Behavioral task
behavioral9
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral10
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11-20260513-en
Behavioral task
behavioral11
Sample
$TEMP/MicrosoftEdgeWebview2Setup.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral12
Sample
$TEMP/MicrosoftEdgeWebview2Setup.exe
Resource
win11-20260513-en
Behavioral task
behavioral13
Sample
MORTARCALC.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral14
Sample
MORTARCALC.exe
Resource
win11-20260513-en
Behavioral task
behavioral15
Sample
uninstall.exe
Resource
win10v2004-20260513-en
Behavioral task
behavioral16
Sample
uninstall.exe
Resource
win11-20260513-en
Behavioral task
behavioral17
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral18
Sample
$PLUGINSDIR/LangDLL.dll
Resource
win11-20260513-en
Behavioral task
behavioral19
Sample
$PLUGINSDIR/System.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral20
Sample
$PLUGINSDIR/System.dll
Resource
win11-20260513-en
Behavioral task
behavioral21
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win10v2004-20260513-en
Behavioral task
behavioral22
Sample
$PLUGINSDIR/nsis_tauri_utils.dll
Resource
win11-20260513-en
Malware Config
Targets
-
- Target MortarCalc-Setup.exe
- Size 2.3MB
- SHA256 39e9dbabd78c1ddfcdf08624323ef7f6c61b89d7ada7217f6f83a8b6940b438e
- MD5 afe2bb35f0a618a556e2a05b95a38c9d
- SHA1 c01b79211d8c462460a86d4fee00b5a4801370b9
- SHA512 6014ddc501a1c11e1a23f8af85487bcbdca03e34e00744120d2a6b573b43ee83cc4010a004e0a1eab59cf19cb9da3c768f0d40c9ee709f41c9e2e67263924e2e
- SSDEEP 49152:h92c9ZU04zjCoOlhjY7MBkE12/tpd2lhQ37HxYaWrsvdPo:h92mZU7Co2fl2172M12
- TLSH T170B5330117ACD09AC6221D33AD33A7733DC5C8355052760AA3BA490FBFB47BD5A99B4B
- 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/StartMenu.dll
- Size 7KB
- SHA256 42dd4dda3249a94e32e20f76eaffae784a5475ed00c60ef0197c8a2c1ccd2fb7
- MD5 d070f3275df715bf3708beff2c6c307d
- SHA1 93d3725801e07303e9727c4369e19fd139e69023
- SHA512 fcaf625dac4684dad33d12e3a942b38489ecc90649eee885d823a932e70db63c1edb8614b9fa8904d1710e9b820e82c5a37aeb8403cf21cf1e3692f76438664d
- SSDEEP 96:h8dPIKJhMuhik+CfoEwknt6io8zv+qy5/utta/H3lkCTcaqHCI:yZIKXgk+cx6QYFkAXlncviI
- TLSH T1CCF1C7B6F3D10673F9AB427428232F221B1AF5215765C1AB450316CE7661CE3FD34B21
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
- MD5 cff85c549d536f651d4fb8387f1976f2
- SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
- SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
- SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
- TLSH T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsDialogs.dll
- Size 9KB
- SHA256 56b96add1978b1abba286f7f8982b0efbe007d4a48b3ded6a4d408e01d753fe2
- MD5 6c3f8c94d0727894d706940a8a980543
- SHA1 0d1bcad901be377f38d579aafc0c41c0ef8dcefd
- SHA512 2094f0e4bb7c806a5ff27f83a1d572a5512d979eefda3345baff27d2c89e828f68466d08c3ca250da11b01fc0407a21743037c25e94fbe688566dd7deaebd355
- SSDEEP 96:o0svUu3Uy+sytcS8176b+XR8pCHFcMcxSgB5PKtAtgt+Nt+rnt3DVEB3YcNqkzfS:o0svWyNO81b8pCHFcM0PuAgkOyuIFc
- TLSH T17012F992E6A450B3C5D6533B35AA2F2DCBBD5325B0926C00C7738E4D39395B66E38353
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsis_tauri_utils.dll
- Size 29KB
- SHA256 5ef1f010f9a8be4ffe0913616f6c54acf403ee0b83d994821ae4b6716ec1d266
- MD5 c5bd51b72a0de24a183585da36a160c7
- SHA1 f99a50209a345185a84d34d0e5f66d04c75ff52f
- SHA512 1349027b08c7f82e17f572e035f224a46f33f0a410526cf471b22a74b7904b54d1befb5ea7f23c90079605d4663f1207b8c81a45e218801533d48b6602a93dbc
- SSDEEP 768:jnvg/4R1C7063G5I1CabuqcFKpnq0jdhK7W+q:jvu4RM2WCqYMX/
- TLSH T139D23818FDC83EBAD6DF1172281C4A6E559FC8080754CEABD3B15E62D4A63722EE510F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $TEMP/MicrosoftEdgeWebview2Setup.exe
- Size 1.6MB
- SHA256 73c49019991e9cf301e1942ae570e6c2918a4aba75bd233b5a1356b8d514026e
- MD5 567b3fdc8790325346626fbdd552c46c
- SHA1 c88f6efc05ecd08e9b496f33631a25f2841d5a6e
- SHA512 89e38e29202c23c73b88435cec267f5c0eee7f11bd32daa5e68b3c6d29c9396fbf963716212ff39917fa7e4565eb3d66321b31d93f6b450cb4287b05ff5de0ee
- SSDEEP 49152:uiiGT3Ds8j1fukXjNWnlD6KerDpLRqDQODloWt:jiiRfukZWerDp9SDt
- TLSH T1CB75232676E04035F0B71A3086F096B22D7EBE710B711DAF13517A2E1F70992E6357AB
- MD5 SHA1 SHA512 SSDEEP TLSH
Score6/10-
Event Triggered Execution: Image File Execution Options Injection
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Event Triggered Execution: Component Object Model Hijacking
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
-
- Target MORTARCALC.exe
- Size 2.3MB
- SHA256 97116f195d743d1ac3a6d5e824f133581cc34868f1044e0f3e87a064ae09238f
- MD5 9599836d082075153546ae8a5b49b512
- SHA1 b5d82cefe14c15c92bdfad7aea8c63447e92f444
- SHA512 782fe3af75ae90836377b0f86b14206465943371bbd727b3492e0ee4ea1ff48a3885ded238ff0d8ca31f33a47c6858a8ad29b6f94624445d8ee4e6626a2404eb
- SSDEEP 24576:FcyAogL1h4bn3P0c0DSrRsAWQFY+2L858b5Afpi9Fq2qvE:WyABH4LPvRsAWQFY18O79
- TLSH T19FB55B027E4B59A8D48DCC74C2478BA74E2230DB0A3AF5AF11C9052D3FAEBF55F19259
- MD5 SHA1 SHA512 SSDEEP TLSH
Score6/10-
Checks whether UAC is enabled
-
- Target uninstall.exe
- Size 74KB
- SHA256 e4939c13e6ee397b71d9ba756d4be6b84c99737f0ddcfdb0e125a49601ade669
- MD5 684bdc50d0a527975e0d28b071151f7d
- SHA1 55ac09d998c41866f07187ac95584a7fb14d3582
- SHA512 c237f5b1db7275f27646e9460a47b9eddc6eafd80da89b34acf842a00109629593712a3853ef6fe7c6ab46f40ffb1a953bda90c713ae37891ce7981f63f9d803
- SSDEEP 1536:XmsAYBdTU9fEAIS2PEtuugdLeAyNxWwgUb+kcegWkM:WfY/TU9fE9PEtuuceAX67cegA
- TLSH T1CC73DF1927A0C4A7D9B307311E7A8B6B7FF5F91210649B6B17406B5EBD72280DE0E723
- MD5 SHA1 SHA512 SSDEEP TLSH
Score7/10-
Deletes itself
-
Executes dropped EXE
-
Loads dropped DLL
-
- Target $PLUGINSDIR/LangDLL.dll
- Size 5KB
- SHA256 18e8b40ba22c7a1687bd16e8d585380bc2773fff5002d7d67e9485fcc0c51026
- MD5 68b287f4067ba013e34a1339afdb1ea8
- SHA1 45ad585b3cc8e5a6af7b68f5d8269c97992130b3
- SHA512 06c38bbb07fb55256f3cdc24e77b3c8f3214f25bfd140b521a39d167113bf307a7e8d24e445d510bc5e4e41d33c9173bb14e3f2a38bc29a0e3d08c1f0dca4bdb
- SSDEEP 48:S46+/nTKYKxbWsptIpBtWZ0iV8jAWiAJCvxft2O2B8mFofjLl:zFuPbOBtWZBV8jAWiAJCdv2Cm0L
- TLSH T16BC19474B3C248B9C491513768AB33D36612EE746784500F9F6711AA38209F7AD3EBC3
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/System.dll
- Size 12KB
- SHA256 8dc562cda7217a3a52db898243de3e2ed68b80e62ddcb8619545ed0b4e7f65a8
- MD5 cff85c549d536f651d4fb8387f1976f2
- SHA1 d41ce3a5ff609df9cf5c7e207d3b59bf8a48530e
- SHA512 531d6328daf3b86d85556016d299798fa06fefc81604185108a342d000e203094c8c12226a12bd6e1f89b0db501fb66f827b610d460b933bd4ab936ac2fd8a88
- SSDEEP 192:Zjvco0qWTlt70m5Aj/lQ0sEWD/wtYbBHFNaDybC7y+XBz0QPi:FHQlt70mij/lQRv/9VMjzr
- TLSH T126426B129BB089F2F591583814667F2A6FBE9C5D27F50563CFE304D63D212CB983A283
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10 -
- Target $PLUGINSDIR/nsis_tauri_utils.dll
- Size 29KB
- SHA256 5ef1f010f9a8be4ffe0913616f6c54acf403ee0b83d994821ae4b6716ec1d266
- MD5 c5bd51b72a0de24a183585da36a160c7
- SHA1 f99a50209a345185a84d34d0e5f66d04c75ff52f
- SHA512 1349027b08c7f82e17f572e035f224a46f33f0a410526cf471b22a74b7904b54d1befb5ea7f23c90079605d4663f1207b8c81a45e218801533d48b6602a93dbc
- SSDEEP 768:jnvg/4R1C7063G5I1CabuqcFKpnq0jdhK7W+q:jvu4RM2WCqYMX/
- TLSH T139D23818FDC83EBAD6DF1172281C4A6E559FC8080754CEABD3B15E62D4A63722EE510F
- MD5 SHA1 SHA512 SSDEEP TLSH
Score3/10
MITRE ATT&CK Enterprise v16
Persistence
Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1Privilege Escalation
Event Triggered Execution
2Component Object Model Hijacking
1Image File Execution Options Injection
1