MALICIOUS — e1eda4966afc6ece5a2c7f5f38348582ba7c8456d8d7e6c7b1fc270473145b7f

MALICIOUS — e1eda4966afc6ece5a2c7f5f38348582ba7c8456d8d7e6c7b1fc270473145b7f is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Chinky family. 5 of 56 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

• SHA-256: e1eda4966afc6ece5a2c7f5f38348582ba7c8456d8d7e6c7b1fc270473145b7f
• SHA-1: fa7d423172db6c00426a9c65a83cf0e1a53b4193
• MD5: 0b6ce15caab9a70850e3f1731da862f0
• imphash: 6a24b40325db5d0d187ce51729c21de7
• ssdeep: 768:7//Hdy9RnNXe04H7cHPHYmug6UXQm1dIZE2ocOT77e:7KnIHyj6S3T77
• TLSH: T1583D088A1AB0D481F6E2E6275D5A6D9C1BCF8500662B189835CF9B0E45C3FF35430A2E
• Submitted as: e1eda4966afc6ece5a2c7f5f38348582ba7c8456d8d7e6c7b1fc270473145b7f
• File type: pe · Size: 131072 bytes
• Verdict: malicious (100/100) · Family: Chinky

Detections (5 of 56 engines)

• ClamAV (daily): Win.Trojan.Chinky-2
• Microsoft Defender: Worm:Win32/Vobfus.C
• Emsisoft (Emergency Kit): Trojan.VB.Chinky.K
• Trellix Stinger (McAfee): Downloader-CJX.gen.ai
• Kaspersky (KVRT): Worm.Win32.VBNA.iby

MITRE ATT&CK

• T1057
• 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.Chinky-2 (rule Win.Trojan.Chinky-2) - 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.C (rule Worm:Win32/Vobfus.C) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.VB.Chinky.K (rule Trojan.VB.Chinky.K) - engine signal, weight 0.55, confidence 0.85
• Trellix Stinger (McAfee) flagged Downloader-CJX.gen.ai (rule Downloader-CJX.gen.ai) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged Worm.Win32.VBNA.iby (rule Worm.Win32.VBNA.iby) - 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 2 external host(s) and 18 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
• enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
• 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

Dynamic analysis (windows)

58489 behavior events · 3 ATT&CK techniques · 6 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• ns3.theimageparlour.net
• c.pki.goog
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• default.exp-tas.com
• ctldl.windowsupdate.com
• update.googleapis.com
• login.live.com
• desktop-hsgcbep
• v20.events.data.microsoft.com
• config.edge.skype.com
• windows.msn.com
• www.msn.com
• officeclient.microsoft.com
• odc.officeapps.live.com

Dropped files

• C:\Users\analyst\xoausuf.exe - 950df63d26250474088f03629e5d5b31d8cea7315180cbf79f2efe58678bbb3c
• 224e4623b85613683036e52477db9376ddd40ab2b40d416dcb762d22c223f01b - 224e4623b85613683036e52477db9376ddd40ab2b40d416dcb762d22c223f01b
• a652d9882892f7a1af7dcd1d9d8f7bd9415797cb23073a6e2126a79d1c2e1196 - a652d9882892f7a1af7dcd1d9d8f7bd9415797cb23073a6e2126a79d1c2e1196
• 27119cb08ba0526b1ecb3795f2b3c5c4a096dfa6639a0fd78f543b293379fc5a - 27119cb08ba0526b1ecb3795f2b3c5c4a096dfa6639a0fd78f543b293379fc5a
• 156f83c6d10b4d2b7a5b38a3b71c3083746274347cd10be06cf87ed77d744e0a - 156f83c6d10b4d2b7a5b38a3b71c3083746274347cd10be06cf87ed77d744e0a
• b3f405f26a6fd505bf5c936062396969de20a77affd8d0cfb7e69a4a28475853 - b3f405f26a6fd505bf5c936062396969de20a77affd8d0cfb7e69a4a28475853

Embedded URLs

• 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/6c2dbffa-872a-4f74-b39c-0ab782eea5bf/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/6c2dbffa-872a-4f74-b39c-0ab782eea5bf?P1=1787354299&P2=404&P3=2&P4=ElLaAGSqvHE%2fud1oOy9cHTUmePvNSsovOeUG0kb6%2bBU6%2b%2bMYS0cpPMllI2X7kLzG0p4YKwEcdFNAK2Q5UFj2GA%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
• 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

• ns3.theimageparlour.net
• x1.c.lencr.org
• x2.c.lencr.org
• ye.c.lencr.org
• yr.c.lencr.org
• default.exp-tas.com

Embedded IP addresses

• 4.150.223.98
• 4.230.171.124
• 172.215.188.232
• 20.247.184.142
• 20.165.94.54
• 20.184.175.18
• 20.165.94.63
• 135.233.95.144
• 104.18.33.89
• 172.170.180.133
• 52.168.117.174
• 172.178.240.163
• 203.26.79.13
• 4.150.223.99
• 52.168.117.170
• 51.132.193.104
• 52.148.114.188
• 172.172.255.218
• 52.110.12.47
• 72.145.35.102
• 92.223.78.30
• 52.110.12.16

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report