MALICIOUS — 812b09f937d9f1bf8418a752f411c66af663b01dd6548a84a6ccd20422d2f9c0
MALICIOUS — 812b09f937d9f1bf8418a752f411c66af663b01dd6548a84a6ccd20422d2f9c0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (89/100), attributed to the Wacatac family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
812b09f937d9f1bf8418a752f411c66af663b01dd6548a84a6ccd20422d2f9c0 - SHA-1:
275fbc7a660322def7aab1a109ad23f674f0d8d3 - MD5:
9a19046cb57097d90ac411e22f3fcdd7 - imphash:
54c0edfa0e405a8bcb7dd13ae2917c7c - ssdeep:
6144:BKiDrDb8Uw/xJgOXyug6m88PTBOsSknroAxTnjp:surX3AJgOXU28PTYsSknroA3 - TLSH:
T19744AE25277AA387D7F3E6515480AAAD00B3B4F820BE45CD318BE12D63EAC5F1275349 - Submitted as: 812b09f937d9f1bf8418a752f411c66af663b01dd6548a84a6ccd20422d2f9c0
- File type: pe · Size: 262296 bytes
- Verdict: malicious (89/100) · Family: Wacatac
Detections (4 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Trojan.Lmir-22
- Microsoft Defender: Trojan:Win32/Wacatac.B!ml
- Emsisoft (Emergency Kit): Gen:Variant.Zusy.473172
MITRE ATT&CK
Why this verdict
The malicious score of 89/100 is the fusion of 3 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Lmir-22 (rule
Win.Trojan.Lmir-22) - engine signal, weight 0.90, confidence 0.95 - Packing/obfuscation: UPX - static signal, weight 0.25, confidence 0.55
- enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
0 behavior events · 0 ATT&CK techniques · 0 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
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- msedge.api.cdp.microsoft.com
Embedded URLs
- https://www.digicert.com/CPS0
- http://crl3.digicert.com/sha2-assured-cs-g1.crl05
- http://crl4.digicert.com/sha2-assured-cs-g1.crl0L
- http://crl3.digicert.com/sha2-assured-ts.crl02
- http://crl4.digicert.com/sha2-assured-ts.crl0
- 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=1787856942&P2=404&P3=2&P4=i9zJyWEOq62%2bZI03UEr7qRKbOPmHQZmVgmTbkb%2foBnaBm4vGRiw7JpcUpfaVMN8i9fZFwellR5t4wgxY3w3fVw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cacerts.digicert.com
- crl4.digicert.com
- crl3.digicert.com
- www.digicert.com
Embedded IP addresses
- 51.104.15.252
- 52.123.252.192
- 52.123.252.230
- 4.144.132.114
- 4.230.171.124
- 85.210.196.11
- 52.123.252.203
- 74.178.76.44
- 74.179.77.204
- 74.178.76.54
- 4.150.223.108
- 135.233.95.144
- 52.123.128.14
- 52.123.129.14
- 4.150.223.100
- 203.26.79.13
- 72.145.35.99
- 20.112.250.133
- 52.148.114.188
- 52.110.12.48
- 52.110.12.54
File paths
- c:\jenkins\workspace\8-2-build-windows-i586-cygwin\jdk8u281\880\build\windows-i586\jdk\objs\unpackexe\unpack200.pdb
- L:\:l:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report