MALICIOUS — 321913b1231ab2fc963213b41cb9fd0f0d8c1d0cfe3969888b7729d54b80c60d
MALICIOUS — 321913b1231ab2fc963213b41cb9fd0f0d8c1d0cfe3969888b7729d54b80c60d 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:
321913b1231ab2fc963213b41cb9fd0f0d8c1d0cfe3969888b7729d54b80c60d - SHA-1:
01f5abd614fe11268778d2993a40525d338e3b5e - MD5:
4d0a290b4cbe3cd4455cfbe33bf8ac6d - imphash:
e5b9052eec03deaa531e95108555ea48 - ssdeep:
1536:o5sOy0FEJ6kri7hwj4Pnv/rvyvJvSvbvfv3yPHpCka:asOyW1mmyPwZ - TLSH:
T17A3A408C1364E897F36AA30B6D6C68AD0DFEC013C327C5A002E25D8E98D676FD82515D - Submitted as: 321913b1231ab2fc963213b41cb9fd0f0d8c1d0cfe3969888b7729d54b80c60d
- 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.BC
- Emsisoft (Emergency Kit): Gen:Variant.Lazy.209946
- Trellix Stinger (McAfee): Downloader-CJX.gen.az
- 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 33 external host(s) at runtime (30 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001 - 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)
33084 behavior events · 3 ATT&CK techniques · 3 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
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
Dropped files
- C:\Users\analyst\tauud.exe -
f9ab5ebabc185a6b64f0c7868b66acc50da53810e1f47fc3f086d14de9d3dda1 - f761652dd5783eaeb63728a5853e29561d83a9a453270ee119227da768e30f64 -
f761652dd5783eaeb63728a5853e29561d83a9a453270ee119227da768e30f64 - a0672e3e4d6c8c900334557fb56c7629892c8c8f45b84c6efcdfce1a798359c2 -
a0672e3e4d6c8c900334557fb56c7629892c8c8f45b84c6efcdfce1a798359c2
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=1787815544&P2=404&P3=2&P4=OjugfOnGGrSTwU5%2btXg2hzt33T0swgcT7ZoOHAnBuI3gQgjkvCvgHqhlvhWh2sunLwwwzrlO4M%2bRs88ih0iEpw%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=1787815572&P2=404&P3=2&P4=Q0jia7mK7lWTRPWuDnnq5iEaIppGoi%2bEixq5C9cfIjhSx1U54uQC%2fK0PxdHxIJlmVYbZ880mAiKMF79LNGnbLw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- 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/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787212328&P2=404&P3=2&P4=cuNhFmjEhKnAzdWMZgIMCSQLbaYw9aAPDohqMPRpIFxzeVazvycGbrheAsi5Ld8FjWpdiCEmOuBwStTCRNr1aQ%3d%3d&cacheHostOrigin=1D.tlu.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/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787211883&P2=404&P3=2&P4=nxOs4CMG629JxGU6E9MzybGVENvhW6WgPjOiyEH4GA7P2z4ZyTPDMkapa3yhKXuY%2f%2btDN5NakZ7ARTaWlmQtSw%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.player1253.com
- ns1.videoall.net
- ns1.mediashares.org
Embedded IP addresses
- 20.42.73.27
- 52.123.252.202
- 57.154.63.210
- 4.230.171.124
- 20.247.185.124
- 85.210.196.11
- 104.46.162.229
- 74.178.76.128
- 135.232.92.97
- 20.231.239.246
- 52.123.128.14
- 52.123.129.14
- 203.26.79.13
- 52.123.252.204
- 20.165.94.46
- 52.123.252.224
- 20.42.65.89
- 51.116.253.168
- 172.178.240.161
- 52.148.114.188
- 125.56.205.120
- 125.56.205.32
- 72.145.35.110
- 135.234.160.246
- 135.234.160.244
File paths
- C:\Program
More Changeup samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report