MALICIOUS — Sysmon64.exe .exe
MALICIOUS — Sysmon64.exe .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:
e3b7855ac1daea83e524594714b29ee868e76a5fb32def91be314b3fd4f3accd - SHA-1:
9e81d3d8ffc8153a768f658690930bc60569aee7 - MD5:
b54df92b2d4903b0fb5f8141990b41ba - imphash:
3a2003ea545fe942681da9e7683ebb58 - ssdeep:
6144:6BxIK3CTW8TMjp41u6nyHwnZZYwEGjdizAOpeB40Tkv0OYiIAsadd:CxIK9V14ImyHYehGjdiz3v0OYi9saT - TLSH:
T18F49BE0D64A6038BEEC7C8E79573FE2F42A244F1D108EB43C415622A7D356DFA4A3466 - Submitted as: Sysmon64.exe .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 23 external host(s) at runtime (23 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)
5963 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:\Documents and Settings .exe -
c5af16cf376a95b0464e1085b5064e34ce78d9df5e9bd98c5b1d8827e3be0b2d - 831d5c4f6db4179f54f367e576e11d7b265c6dfdda7fb1d1612ab2e173217ef0 -
831d5c4f6db4179f54f367e576e11d7b265c6dfdda7fb1d1612ab2e173217ef0 - C:\ProgramData\yrspvy.exe -
ccb398a9e82b2abf6aa6433a74ba8b4282ec5f70f48cb1e658b6721d27099d82 - C:\$WinREAgent .exe -
1c37e90a6ceb98aa0eac5a534cfe3310fe93016f0c2922cbeb7b11178cc6ab7b - C:\swapfile.sys .exe -
5139f0c87c0ffaf196b758c20940f7f957d8ce9a8767307fd403ea923dbd26ad - C:\Program Files .exe -
ddbd9bf08df244e1ba91ebbe493c0d3a1fe6be8dbf3165fbc640de288628a49a - C:\800.ini -
a3569e291c3434432f803a061d0419a20f7941081409db4383eb389c4c8c5070 - C:\PPLFaultTemp .exe -
d55ade2cad2d05098a31af3a56bbd6a83465d13c0109e0fcd451f2e94ec4e771 - C:\Recovery .exe -
c2f842c744bc4feb72b2dcb7c33a333e8146517918338f9171b10bf5a40f9926 - C:\$Recycle.Bin .exe -
40ba34d4fc9a47e56aed24ab2f9e61fc8cf669ef301eabe4e77ff3b6e8c9e6dc - C:\Users .exe -
5bf6c1c90cf18f0ff9a507678347a0e463bb431d01773d67c8de94d17ad7dc7a - C:\uac-done.txt -
ad38b76382f56940b22fc920702dbd4bff308a93bf3ad3b0b705686aa4245e9a - C:\uac-done.txt .exe -
22539f93d4f7bb0fdb0e5ba6311a311ad7f00cd474af62a756077e80f52e240b - C:\Program Files (x86) .exe -
1244df94767358db5740905b441d3d797e14881f8e8cc63b79648e60f8070931 - C:\inetpub .exe -
913a3e037d77ac837318ff8c8f8dcf6512187a1835d22d3db19179426aaf83ab
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=1787697550&P2=404&P3=2&P4=X3vczwkdobQDrbHo03B6lUID3phEJzI2AwKxqDHoWdMc4teXYdKY9R5x0iE9BN0iTNVH7f4e4wKHttnk4G%2fL2A%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=1787697613&P2=404&P3=2&P4=dyJdz5AfN6FzpFnyiezW3co0CPeRsXPVhPlZ2HcpBbyu6kFgOfz97L78YMltyquJk%2b3%2bLrzlBifsaPiiGW0OSg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.42.65.89
- 57.155.104.224
- 52.230.60.54
- 4.230.171.124
- 135.232.92.137
- 74.179.77.164
- 4.150.223.114
- 20.165.94.63
- 52.123.129.14
- 20.76.201.171
- 52.123.128.14
- 203.26.79.13
- 52.123.252.222
- 74.178.232.29
- 74.179.77.204
- 172.178.240.161
- 52.148.114.188
- 72.145.35.103
- 92.223.78.30
- 4.247.188.224
- 52.110.12.3
- 74.179.71.159
- 52.110.12.4
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report