MALICIOUS — 0a03b75f3b3f61b0ad0eb462945779ff540eb9e237638cad1120953ef7a2925c
MALICIOUS — 0a03b75f3b3f61b0ad0eb462945779ff540eb9e237638cad1120953ef7a2925c is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Changeup family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
0a03b75f3b3f61b0ad0eb462945779ff540eb9e237638cad1120953ef7a2925c - SHA-1:
da6252fb383be4e649d0bd0e468cfed3178b226e - MD5:
5e62ac751f2857719577b61be55d201c - imphash:
40257041bbc6a1450e2e8c8fc10cd284 - ssdeep:
1536:h3+dS6pm4aTZ5XG1jiTa9McrkQs4wNSx:unpBaTPfH4f - TLSH:
T1053A214A499DD4D2D164C74798C50EFC86BDF4C8DF3264A029AE790B01812B7A12BDFE - Submitted as: 0a03b75f3b3f61b0ad0eb462945779ff540eb9e237638cad1120953ef7a2925c
- File type: pe · Size: 94208 bytes
- Verdict: malicious (99/100) · Family: Changeup
Detections (5 of 55 engines)
- ClamAV (daily): Win.Trojan.Changeup-6169544-0
- Microsoft Defender: Worm:Win32/Vobfus.AN
- Emsisoft (Emergency Kit): Gen:Variant.Midie.166535
- Trellix Stinger (McAfee): Downloader-CJX.gen.l
- Kaspersky (KVRT): Worm.Win32.WBNA.ipa
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 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): 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 30 external host(s) at runtime (27 HTTP) - 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
Dynamic analysis (windows)
57607 behavior events · 3 ATT&CK techniques · 6 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
- ns1.player1253.com
- ns1.videoall.net
- ns1.mediashares.org
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
Dropped files
- C:\Users\analyst\toakea.exe -
99464a409f195b3138a3fbc8c599b4bc94fc11fe12c907497a0a6574fadb9c87 - f58fda69e10d388ca69d5d42d8c8f170f25615084c4cd725455dc2e51507b177 -
f58fda69e10d388ca69d5d42d8c8f170f25615084c4cd725455dc2e51507b177 - 014e2cfd686779e48ab76c9d4be56ea710e39f28b015495893610770820ac189 -
014e2cfd686779e48ab76c9d4be56ea710e39f28b015495893610770820ac189 - c62c276ca7d2d2a707211a776e458d2473197f88a177312661d9353dd0012c88 -
c62c276ca7d2d2a707211a776e458d2473197f88a177312661d9353dd0012c88 - 92fb632ca780b63d776d55067688b8113fd5ebbdf90071b0ad9427792afd7df5 -
92fb632ca780b63d776d55067688b8113fd5ebbdf90071b0ad9427792afd7df5 - c0a3591e6ee65626e272fc3cefa5eb53b93100c96152162c7ff9b28444e6a3dc -
c0a3591e6ee65626e272fc3cefa5eb53b93100c96152162c7ff9b28444e6a3dc
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=1787863267&P2=404&P3=2&P4=kH4NcxhrsVRW6lg3KG1E6bJFcb3QCuedvu6Qe4J6qctEu3BFI75ENDRxbRyJOWpnBNug6DvWjVcEY1CXJ3WOEg%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=1787863288&P2=404&P3=2&P4=ifc4qbbvReOBBUGpA78S1H0aL3blU6qwRzavjc2WvB%2b7cP033REjLbzsUIpKKY1RU6iu1Z8pwGk8HUwOMlY2Mg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787260029&P2=404&P3=2&P4=EJ%2feSdaAn98XAXcm%2b3%2f%2fNL8BuUrqsBWNvhJ%2f98y91XhXJqMMxM6wWTH8Rkk2iuRzVbAVrgsCqaWdBTHvIoj%2fJw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787259612&P2=404&P3=2&P4=Fh3uxCPWRzV8ttkA8snNY4WnLg2sotfg3II%2bpKIz1co6mTmtegYdXMRWEOF%2fM9vTuShBa5BMK9e%2fRvks58k5kQ%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.player1253.com
- ns1.videoall.net
- ns1.mediashares.org
Embedded IP addresses
- 20.42.73.26
- 57.155.104.224
- 52.123.252.224
- 20.247.184.197
- 4.230.171.124
- 172.215.188.232
- 74.178.240.61
- 52.168.117.169
- 20.76.201.171
- 40.99.133.226
- 52.123.129.14
- 74.179.77.164
- 135.233.95.144
- 135.233.45.223
- 4.150.223.106
- 4.207.44.67
- 203.26.79.13
- 52.123.252.233
- 135.233.95.80
- 172.178.240.162
- 52.148.114.188
- 52.110.12.25
- 52.110.12.16
- 92.223.78.30
- 135.234.160.244
More Changeup samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report