MALICIOUS — 67546cf21f89cc1c3d1a5188b6909f9d5167e3507a13a6e4f5028a145de23311
MALICIOUS — 67546cf21f89cc1c3d1a5188b6909f9d5167e3507a13a6e4f5028a145de23311 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Chinky family. 4 of 55 detection engines flagged it, exhibiting 5 ATT&CK techniques.
Identification
- SHA-256:
67546cf21f89cc1c3d1a5188b6909f9d5167e3507a13a6e4f5028a145de23311 - SHA-1:
11fc72a0608887dccd76913f2dc8bb33a7a7037a - MD5:
8bfc8c3b1b6735e6f88b3ab79d430cda - imphash:
7577077ade2531ec35f4a8bd6ac35f11 - ssdeep:
768:0X6YAW08EP0ArMZflRHdeP/o/YfOGtDQ2LmGtN8je:0X+RrMdlR9eXQutMGSe - TLSH:
T1C039429FAA42F515C4F3F4136A442B8E090DA74447720B7D3ADA4A4B78817F3A868F5C - Submitted as: 67546cf21f89cc1c3d1a5188b6909f9d5167e3507a13a6e4f5028a145de23311
- File type: pe · Size: 90112 bytes
- Verdict: malicious (99/100) · Family: Chinky
Detections (4 of 55 engines)
- ClamAV (daily): Win.Worm.Vobfus-7460240-0
- Microsoft Defender: flagged
- Emsisoft (Emergency Kit): Gen:Trojan.Chinky.2
- Kaspersky (KVRT): Worm.Win32.VBNA.bwmh
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Worm.Vobfus-7460240-0 (rule
Win.Worm.Vobfus-7460240-0) - engine signal, weight 0.90, confidence 0.95 - 1 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, 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 24 external host(s) at runtime (21 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001 - 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)
61690 behavior events · 3 ATT&CK techniques · 4 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
- ns3.thepicturehut.net
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- settings-win.data.microsoft.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\xuuus.exe -
ac63e1d51a5054cbaedb30761a00f4ad8bc33d15105a52d1c89f6c6e96501b7c - 339e17bb79c07411e8e6ba1d1cd3fe4447b113e9a2aeedd161b590449554b82f -
339e17bb79c07411e8e6ba1d1cd3fe4447b113e9a2aeedd161b590449554b82f - 0825d5fa673c0feae13766291cd17d2f5fcf4f666a4b76ef5a38f9336e63045a -
0825d5fa673c0feae13766291cd17d2f5fcf4f666a4b76ef5a38f9336e63045a - 991c94a077ad3eb570ddc457fc27a622d79a6795fe21fcb0d1726fa694466f5d -
991c94a077ad3eb570ddc457fc27a622d79a6795fe21fcb0d1726fa694466f5d
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/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=1787830274&P2=404&P3=2&P4=iros8h1fE2539rDYzLIPWNbKvvGgLtloWkV9CG%2blPiMo1XtnN7CZJBpjwx0fMZIpQWBX3HaCjEVNWn9RgIVwxA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787830381&P2=404&P3=2&P4=UblMEvPcMwj%2f3b3xAXVfICqrCjfIFDzGORzQgeilxsnXjRsNiphx1yddr%2brq3v48dg4I%2byI3UZ0OHJeAzmruLg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns3.thepicturehut.net
Embedded IP addresses
- 20.42.179.204
- 52.168.117.170
- 4.230.171.124
- 4.144.132.223
- 20.42.179.192
- 135.233.95.144
- 4.150.223.115
- 135.233.95.135
- 20.165.94.63
- 52.123.128.14
- 20.236.44.162
- 92.223.78.30
- 85.210.193.152
- 135.233.45.221
- 203.26.79.13
- 52.148.114.188
- 52.123.252.226
- 74.178.76.44
- 52.123.252.195
- 135.233.45.223
- 52.123.252.192
- 72.154.7.113
- 52.110.12.11
- 52.110.12.56
More Chinky samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report