MALICIOUS — fbad5e35aca28355d6b1a2c26890691db8a9b8b0fb1d316e49a4191164d4636b

MALICIOUS — fbad5e35aca28355d6b1a2c26890691db8a9b8b0fb1d316e49a4191164d4636b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Changeup family. 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

• SHA-256: fbad5e35aca28355d6b1a2c26890691db8a9b8b0fb1d316e49a4191164d4636b
• SHA-1: cb2bc57ccacfa355362fb62cdcee44070e4e73f5
• MD5: 7f630c3eefebf09ec84e9da35b421232
• imphash: e5b9052eec03deaa531e95108555ea48
• ssdeep: 1536:V2rYSpy8tXG06YpqdXTsYJ/F+FBFIFGFYF7DUZxTZn6a:3Ss0G0mZGL
• TLSH: T11A395D8C1364E897F3A5930B6D6CACAD4DEEC023D727C5A006E25D8E58D236FD82215D
• Submitted as: fbad5e35aca28355d6b1a2c26890691db8a9b8b0fb1d316e49a4191164d4636b
• File type: pe · Size: 90112 bytes
• Verdict: malicious (100/100) · Family: Changeup

Detections (5 of 56 engines)

• ClamAV (daily): Win.Trojan.Changeup-6169544-0
• Microsoft Defender: Worm:Win32/Vobfus!pz
• Emsisoft (Emergency Kit): Gen:Variant.Lazy.209946
• Trellix Stinger (McAfee): Downloader-CJX.gen.az
• Kaspersky (KVRT): Worm.Win32.WBNA.ipa

MITRE ATT&CK

• T1547.001
• T1543.003
• T1112
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Changeup-6169544-0 (rule Win.Trojan.Changeup-6169544-0) - engine signal, weight 0.90, confidence 0.95
• 1 behavioral detection(s) across 1 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.60, confidence 0.90
• Microsoft Defender flagged Worm:Win32/Vobfus!pz (rule Worm:Win32/Vobfus!pz) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Gen:Variant.Lazy.209946 (rule Gen:Variant.Lazy.209946) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged Downloader-CJX.gen.az (rule Downloader-CJX.gen.az) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Worm.Win32.WBNA.ipa (rule Worm.Win32.WBNA.ipa) - engine signal, weight 0.55, confidence 0.85
• Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
• Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
• Contacted 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
• Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

34019 behavior events · 3 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• ns1.player1253.com
• ns1.videoall.net
• ns1.mediashares.org
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• ctldl.windowsupdate.com
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• config.edge.skype.com
• windows.msn.com
• officeclient.microsoft.com
• www.msn.com

Dropped files

• C:\Users\analyst\raoeju.exe - d54f9a831100ec700558ec484a67713a7cdc5d663232fab5bc2c006888bb670c
• ddb31f5bb340c502925364bf67387818d8cfd91e0af2ca3e84f7e444568ca06a - ddb31f5bb340c502925364bf67387818d8cfd91e0af2ca3e84f7e444568ca06a
• 8aa7098fc9e020a412b509f70313a893407b6880f875fb423fabacfe2a97c310 - 8aa7098fc9e020a412b509f70313a893407b6880f875fb423fabacfe2a97c310

Embedded URLs

• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://c.pki.goog/r/r1.crl
• http://x2.c.lencr.org/
• http://ye.c.lencr.org/
• http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
• http://yr.c.lencr.org/

Embedded domains

• ns1.player1253.com
• ns1.videoall.net
• ns1.mediashares.org
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org

Embedded IP addresses

• 52.168.117.170
• 52.123.252.230
• 4.230.171.124
• 40.84.97.4
• 20.247.184.142
• 74.178.240.61
• 4.150.223.110
• 74.178.240.51
• 135.233.95.144
• 20.42.179.192
• 135.234.160.245
• 72.153.5.134
• 52.148.114.188
• 52.110.12.16
• 52.110.12.47

File paths

• C:\Program

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report