SUSPICIOUS — mutated_20043.exe
SUSPICIOUS — mutated_20043.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (64/100), attributed to the AntiDebug family. 3 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
7db3c2340dde6118fca3644a6de8489a257004638520487e8596686294418048 - SHA-1:
693fefbfcbd2f0e14fc0376127576c0abe9d2180 - MD5:
48ac6fc7bf3d007790f4c097ec0cce53 - imphash:
542863a264e826bf130b0880664f67e4 - ssdeep:
98304:I7GpL4IFkDS1foMqv4Yop7IyoB+QBPDE7uI:I7GpZ31foMqtB+QBPDEr - TLSH:
T1C56A6C7071656487CFFA1630BCAE456E37B360202AB6D38C1386215391D26FF8A7C5E6 - Submitted as: mutated_20043.exe
- File type: pe · Size: 9807982 bytes
- Verdict: suspicious (64/100) · Family: AntiDebug
Detections (3 of 55 engines)
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Trojan:Win32/Zusy.KK!MTB
- Kaspersky (KVRT): HEUR:Trojan.Win32.Agent.pef
MITRE ATT&CK
Why this verdict
The suspicious score of 64/100 is the fusion of 4 weighted signals:
- Contacted 24 external host(s) at runtime (16 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: https://gcc.gnu.org/bugs/ - static signal, weight 0.35, confidence 0.60
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
35 behavior events · 0 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\mutated_13361.exe -
eb41d15705cf915394d8b881cdaf13f5459f10875990ebc691ed94e390931e08
Embedded URLs
- https://gcc.gnu.org/bugs/
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787658506&P2=404&P3=2&P4=XL7h5aP4%2bWjChbXe2U4cns%2fVdPxi%2fEV4bI3TttLJXIEw0AQNWf7kKf47LKxdPwPiQBzyyK5LEAQ0WnXCEgI8kg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- gcc.gnu.org
Embedded IP addresses
- 51.105.71.137
- 52.123.252.225
- 52.253.84.76
- 4.230.171.124
- 57.154.63.210
- 135.233.95.144
- 20.165.94.54
- 20.50.201.205
- 74.178.76.128
- 20.236.44.162
- 52.123.129.14
- 40.99.133.210
- 52.123.128.14
- 74.179.77.204
- 135.233.45.222
- 104.208.16.94
- 51.132.193.105
- 203.26.79.13
- 52.148.114.188
- 72.154.7.103
- 135.232.92.34
- 52.110.12.8
- 52.110.12.31
- 162.159.142.9
File paths
- X:\:`:d:h:l:p:t:x:
- X:\:h:l:p:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report