b9dd98b40efa2bfd5e423b2530d0bf0f0157a3666591e918acb09f030dad68c6

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General

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

Score

7^/10

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
Score

7^/10

discovery
- Loads dropped DLL
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
behavioral1 behavioral2
- 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
Score

3^/10

discovery
behavioral3 behavioral4
- 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
Score

3^/10

discovery
behavioral5 behavioral6
- 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
Score

3^/10

discovery
behavioral7 behavioral8
- 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
Score

3^/10

discovery
behavioral10 behavioral9
- 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
Score

6^/10

discovery persistence privilege_escalation
- Event Triggered Execution: Image File Execution Options Injection
  persistence
- 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.
  persistence privilege_escalation
behavioral11 behavioral12
- 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
Score

6^/10

defense_evasion discovery trojan
- Checks whether UAC is enabled
  defense_evasion trojan
- Network Share Discovery
  Attempt to gather information on host network.
  discovery
behavioral13 behavioral14
- 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
Score

7^/10

discovery
- Deletes itself
- Executes dropped EXE
- Loads dropped DLL
behavioral15 behavioral16
- 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
Score

3^/10

discovery
behavioral17 behavioral18
- 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
Score

3^/10

discovery
behavioral19 behavioral20
- 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
Score

3^/10

discovery
behavioral21 behavioral22

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Image File Execution Options Injection

T1546.012

Privilege Escalation

Event Triggered Execution

T1546

Component Object Model Hijacking

T1546.015

Image File Execution Options Injection

T1546.012

Defense Evasion

Credential Access

Discovery

Network Share Discovery

T1135

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

System Network Configuration Discovery

T1016

Internet Connection Discovery

T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks

Sharing

General

Malware Config

Targets

Loads dropped DLL

Checks installed software on the system

Event Triggered Execution: Image File Execution Options Injection

Checks computer location settings

Event Triggered Execution: Component Object Model Hijacking

Checks whether UAC is enabled

Network Share Discovery

Deletes itself

Executes dropped EXE

Loads dropped DLL

MITRE ATT&CK Enterprise v16

Tasks

static1

behavioral1

behavioral2

behavioral3

behavioral4

behavioral5

behavioral6

behavioral7

behavioral8

behavioral9

behavioral10

behavioral11

behavioral12

behavioral13

behavioral14

behavioral15

behavioral16

behavioral17

behavioral18

behavioral19

behavioral20

behavioral21

behavioral22