MALICIOUS — Users .exe
MALICIOUS — Users .exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Mira family. 5 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
f446f54c7036d3cc7bb6125ab8aa8f416abe4d84cfa994a11f4472000a2dc11b - SHA-1:
c908824111dc2fe37028f46d4e8e655f2188cc43 - MD5:
22fec1bf59fcc0ec905d48edf8333bb6 - imphash:
3a2003ea545fe942681da9e7683ebb58 - ssdeep:
12288:CxIK9V14ImyHYldQ7C87KkkB/rhutOUi/+UYya:CJEyYl67CsKd/dutGa - TLSH:
T19149AE3C2A59D183D993F8A087CBDD9DE16F8003811798C6D7B915539AF013BAC2A4ED - Submitted as: Users .exe
- File type: pe · Size: 420288 bytes
- Verdict: malicious (99/100) · Family: Mira
Detections (5 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.lol 1
- ClamAV (daily): Win.Packed.Mira-7330891-0
- Detect It Easy (packer/type): DIE:MinGW
- Microsoft Defender: Trojan:Win32/Krap!pz
- Kaspersky (KVRT): HEUR:Trojan.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged Win.Packed.Mira-7330891-0 (rule
Win.Packed.Mira-7330891-0) - 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 - Observed at runtime: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - Dropped a suspicious payload (Persistence): scoobe-fix.cmd - dynamic signal, weight 0.40, confidence 0.90
- Contacted 22 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- Detect It Easy (packer/type) flagged DIE:MinGW (rule
DIE:MinGW) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-sections:.lol 1, MinGW - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
6092 behavior events · 1 ATT&CK techniques · 34 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- settings-win.data.microsoft.com
Dropped files
- C:\Recovery .exe -
6204083d4f8324add3bf427ee9b26c300297381065569fa4b7e18f62b6795596 - C:\ProgramData\roowb.exe -
2648594729c532fa4c92dd5284b45ede30813a5a52e76a48099b4abd5777c68a - a558e516b9f06b7b193c8bf03622b4e89a136d18281610bb36aa8ba6dab66cdc -
a558e516b9f06b7b193c8bf03622b4e89a136d18281610bb36aa8ba6dab66cdc - C:\796.ini -
cec315416a65a2439ed134cdc66f3d6a76b63406271e863a189d055a7fc8fb26 - C:\uac-done.txt .exe -
53eda6eb15d41e7e3225e8d23a3e4a42f0c327c4e25f21c774c7f89d3664f750 - C:\$Recycle.Bin .exe -
57bcb5d706f4283ae3d2785d26eed046a9309b7159e50dfb5924aa739272db11 - C:\pagefile.sys .exe -
f2b4bb7b281c6997243f21022cfa94bf1b9f3c43ae095f08c03e235f0f62cc2e - C:\PPLFaultTemp .exe -
6b309aeb2826fb51feb025f2446c2e6c66c826e1a491414446e72ac5c12c7b5f - C:\Windows .exe -
1247e72e949c9c12f66c4d1c6234d0205efee672d4b664054f0eb5f0404cc5dc - C:\Config.Msi .exe -
47302498d6bdcde2f3bf19869e92c12370c421c54b4dc766e3be149d2759a6ff - C:\uac-done.txt -
ad38b76382f56940b22fc920702dbd4bff308a93bf3ad3b0b705686aa4245e9a - C:\Program Files (x86) .exe -
aa058ce5f0608465752e17a031f9c5717324004cdf9b924b4ec6b9dc6f37b122 - C:\ProgramData .exe -
2755877f2cd41ec340ac880ebdb5a6be45df8de43afaf58ba29ace5c4052f6c7 - C:\PerfLogs .exe -
dcb3a37a5c045db34ed70ed9760f3ed434c514405da7bd283b874af0c5454c71 - C:\uac.ps1 -
a42e57db93b93ecb2224fdb1276f4ebb0b6705cc4a95ec1899772df8dc47a684
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=1787725742&P2=404&P3=2&P4=SeCDYRzgmDU7BUemdJxFsSic%2fz6zZZRUnEW8VR7geLdws5JP0RDWFojPupy7nYDf%2bMhMBtK4aovNkBZTwUcBnw%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=1787725855&P2=404&P3=2&P4=cXqXBRgO183Qu%2flxNZadY3MQmr0tmkrkHptcjAzxnH8wwWAmqXrG%2bShykdLIZjo3DvhO63ttqkmHq%2bMxDjWcTA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 52.110.12.15
- 52.110.12.40
- 52.178.17.2
- 4.247.188.233
- 4.230.171.124
- 20.247.184.197
- 20.165.94.63
- 135.233.95.135
- 51.105.71.136
- 74.178.76.128
- 20.76.201.171
- 52.123.128.14
- 51.116.246.104
- 203.26.79.13
- 135.234.160.246
- 52.148.114.188
- 20.165.94.46
- 72.145.35.100
- 52.123.252.229
- 40.84.97.4
- 52.110.12.37
- 52.110.12.32
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report