MALICIOUS — Windows .exe
MALICIOUS — Windows .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:
cd73128b4256c2a16ae991f3b03506a9988b115b98fcac80400388cd52246b5b - SHA-1:
a6d0395ef3831726881809aced7899f3723134d4 - MD5:
ea0d442ab66155c42bdd3a9283b4fb7f - imphash:
3a2003ea545fe942681da9e7683ebb58 - ssdeep:
12288:CxIK9V14ImyHYC4eUJlwStUD3aM6f+9Xjs86EhI:CJEyYsUdtUD3aM6f+9XA7EhI - TLSH:
T13A49D06315A1D0EFCE9ACEDAD0A2157F1A60F8509C9019DB624B80F818FBF73B515C86 - Submitted as: Windows .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 35 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)
5837 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
- settings-win.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Documents and Settings .exe -
addedb086cfc56781972d7e55836eb9e6d26e15e47c0bce7d16f6d8216653598 - C:\ProgramData\gscwb.exe -
a0ce635615146690da696ce85efeeec63643a1e65114993cda732098b26b0235 - C:\Sysmon64.exe .exe -
4c674f857d0d8ae369634da7e5fafe0d585cce139ebf25df4b98321007aa4e68 - C:\DumpStack.log.tmp .exe -
d7833fcb30f0e3992edff13ca8cd4c30e0c49361b3f323257858d00ba6d74e83 - C:\$WinREAgent .exe -
49761f706a6165cd0eb07a5e24fdde3ff1cade4a10eac773fca4dc8f8ec5b72b - C:\784.ini .exe -
e8dd05a92b7c34cb309ddac3db13e73bdf758a12a9f8b8246fcd393e019de0e4 - C:\784.ini -
5f0aa9426a554c8899ad28f544987576160a22d6409165b1971358fe07b3d454 - C:\Users .exe -
7effb2387cb12deb128c945aba161b73fac4040191a00d3011249b169a98bcef - C:\scoobe-fix.cmd .exe -
a34cfb8fd3ec6d4bd2630b1ed84d5544534a6b9bc45be81b6a4b155ccd0fa51a - C:\uac-done.txt -
ad38b76382f56940b22fc920702dbd4bff308a93bf3ad3b0b705686aa4245e9a - C:\ThreatLens .exe -
630231c5300e32f087cd8c4eb929b61b722434fc3e55ad6e67c732b17ad338ff - C:\$Recycle.Bin .exe -
14d0d4e7dc067173e0d7dd41ba3bcee3c0e7b64315aa2298daec5e3ea06181f2 - C:\uac.ps1 .exe -
e36f45998bb9bd5221e13f5dbbe6734d534e9d268f3e1a311d55ce5e4f89c30f - C:\uac.ps1 -
a42e57db93b93ecb2224fdb1276f4ebb0b6705cc4a95ec1899772df8dc47a684 - C:\swapfile.sys .exe -
e486c4b3ad4c9e3019826d6420c6504622d8927f1612b522ed870438869059ba
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=1787697436&P2=404&P3=2&P4=Nb4Fn1Q5O5vt3VqxjxpTg66napKB0%2f%2bKKoytP4X6bVZDSMzSoiVseJWDsoyT0C%2b1Npzzc4N1niCTDUQnhQBT6g%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=1787697541&P2=404&P3=2&P4=lXH8yMTDhj3U83x9PUmg5Hk79RsHlP9fqkSoDOY71B%2bAh8ixKXitNwSqvTfPN4%2bWT3eAGj53ktOv0gQZm33Zbw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- oneclient.sfx.ms
Embedded IP addresses
- 135.232.92.34
- 203.26.79.13
- 13.69.109.130
- 52.123.252.236
- 85.210.193.152
- 52.230.60.54
- 4.230.171.124
- 57.154.63.210
- 135.233.95.144
- 74.179.77.164
- 4.150.223.98
- 20.112.250.133
- 52.123.129.14
- 52.123.252.231
- 52.123.252.193
- 52.110.12.46
- 52.110.12.5
- 172.178.240.162
- 52.123.252.203
- 52.148.114.188
- 52.123.252.238
- 74.178.232.29
- 20.42.179.192
- 72.154.7.101
- 142.250.195.163
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report