MALICIOUS — 98e91dd26bf7f6404aa0a6f4eb193c388ca414bb5f8a35e7c26231f9a67e5a57

MALICIOUS — 98e91dd26bf7f6404aa0a6f4eb193c388ca414bb5f8a35e7c26231f9a67e5a57 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Zbot family. 7 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 98e91dd26bf7f6404aa0a6f4eb193c388ca414bb5f8a35e7c26231f9a67e5a57
SHA-1: 94cac6a6045bc4a80888cc6774d196d2e21c5fd3
MD5: 21ab83e338efb8d5dc0d408a36cf1d9c
imphash: e021c9fc2c12265365fad587d43783fe
ssdeep: 768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7Mz5KA:i5nkFGMOtEvwDpjNbwQE8KA
TLSH: T1BE33FACC81B80B2BC33A15F44676D95FA29AF0E559DC750A494DA13D90C38F3AD62E32
Submitted as: 98e91dd26bf7f6404aa0a6f4eb193c388ca414bb5f8a35e7c26231f9a67e5a57
File type: pe · Size: 50350 bytes
Verdict: malicious (100/100) · Family: Zbot

Detections (7 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.MPRESS1
ClamAV (daily): Win.Trojan.Zbot-64721
YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
Detect It Easy (packer/type): DIE:MPRESS
Microsoft Defender: PWS:Win32/Zbot!pz
Trellix Stinger (McAfee): PWSZbot-FIE!9882B90E4DE8
Kaspersky (KVRT): HEUR:Trojan-Downloader.Win32.Upatre.gen

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 16 weighted signals:

ClamAV (daily) flagged Win.Trojan.Zbot-64721 (rule Win.Trojan.Zbot-64721) - engine signal, weight 0.90, confidence 0.95
Memory forensics: 1 finding(s) attributed to the sample across 1 technique(s), e.g. process hollowing in misid.exe (pid 7932) (rule windows.hollowprocesses.HollowProcesses) - memory signal, weight 0.70, confidence 0.85
Microsoft Defender flagged PWS:Win32/Zbot!pz (rule PWS:Win32/Zbot!pz) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged PWSZbot-FIE!9882B90E4DE8 (rule PWSZbot-FIE!9882B90E4DE8) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan-Downloader.Win32.Upatre.gen (rule HEUR:Trojan-Downloader.Win32.Upatre.gen) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 1 external host(s) and 3 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
Detect It Easy (packer/type) flagged DIE:MPRESS (rule DIE:MPRESS) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.MPRESS1 (rule high-entropy-sections:.MPRESS1) - engine signal, weight 0.35, confidence 0.70
YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule YR_Packer_ASPack_MPRESS) - engine signal, weight 0.30, confidence 0.70
Packing/obfuscation: high-entropy-sections:.MPRESS1, MPRESS - static signal, weight 0.25, confidence 0.55
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
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

11554 behavior events · 2 ATT&CK techniques · 7 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\misid.exe - df3bc64f70faa2a5ca4689ec99a6aa5b7e3ed36bc922b5b964b7aed75144520a
f8175c15d331d6a300119df7f8799b9d96ee45ce479f75431161eb54510ed887 - f8175c15d331d6a300119df7f8799b9d96ee45ce479f75431161eb54510ed887
1e2c9651b06a0cd1aac662771de437124265192773b18a046c6670d45ef01b45 - 1e2c9651b06a0cd1aac662771de437124265192773b18a046c6670d45ef01b45
a283f5615b3c659f6e854d01af69c67f80ac1a09803e56fef897bce64cb68938 - a283f5615b3c659f6e854d01af69c67f80ac1a09803e56fef897bce64cb68938
7901c924d6f40a14d30ebbe8da7d8e39a20b5841a859adbba56fea965122e5bd - 7901c924d6f40a14d30ebbe8da7d8e39a20b5841a859adbba56fea965122e5bd
f84c6cf4bd041dc77a75a22c5ebe22c7350cc14bfead2bd4db1ada4f6bc57ce3 - f84c6cf4bd041dc77a75a22c5ebe22c7350cc14bfead2bd4db1ada4f6bc57ce3
15e2d4b824399917027ea56b3962d367720cca10d7547794bfef73e8abd1c4f7 - 15e2d4b824399917027ea56b3962d367720cca10d7547794bfef73e8abd1c4f7

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded domains

bestccc.com

Embedded IP addresses

52.182.141.63
20.247.185.124
4.230.171.124
52.110.12.40
52.110.12.49
57.154.63.210
172.178.240.162
57.155.101.212
52.148.114.188
52.110.12.28
72.153.5.133
52.110.12.47

File paths

C:\7Yn74cF4.exe
C:\w_KyqlKO.exe
C:\lpdC2ee1.ex
C:\Documents
C:\54186b65b4b56b164bc283e391b61ed0b56fd4faf20b3498cf5d5c192ddb2624
C:\c6fea76a5ca0644d587d8fc31e8408c53a5becd7c96558662274fcc48271b7d1
C:\Users\admin\Downloads\4c9fce5dc799931ac271030a79be077cc0c7bef45f7c32e6337173b843b24c89.exe
C:\8c73e9be458dd024b1ba0ab32ea3adf6b1453fd3e9a6e898164ae4ced8355623
C:\64b536e73d4bee32d3a921f8891789e6e077a6d375dccdeb66bbb34c99c4b1ee
C:\84e5525cd48c5e4059665c36f2953483802cc6296149bcdc7536c6d1c06817c8
C:\8c2aa86717e8f9dd94178611a86f91782083877dbd3b86299f389301c8fbc323
C:\Users\Lisa\Desktop\zUOwiqmJ.exe
C:\042b787afb5ebe06e9205a303f29cf554a29c966d2481775bb25294a00d161b4
C:\Users\admin\Downloads\misid.exe
C:\Users\Virtual\AppData\Local\Temp\e4a1d4d803fe2769548d7fa377598e4c5399396e06ff92198b8d8682f7a79c62.exe
C:\df5357bdbd87be93bb1a85bf13db13394ca1bac5d42acec6c4f575af6cfa011f
C:\4fbc938fdca6c169ebe60193654f6117e0717215c788c0bf1959a90b1ef6c28f
C:\1b1a4c0e8fadd81d89645b8e9e0c1e2cbc97e957c24169a781e69d2327d9aba5
C:\Users\Lisa\Desktop\KbC7yHEA.exe
C:\49b5d08d8906d1fca8a50268d5ede3167b3b1357251e180a923749df826472e8
C:\Users\Petra\AppData\Local\Temp\misid.pe32
C:\1d6527d2ed5c1c8e055193efad3d8b819116e8cbed32d9cf14d16a5435f6c73c
C:\Users\admin\Downloads\c9ee8f799300b858c11a8977ebd2ee7ee83f35a53e3db6ed6206ee1e97251509.exe
C:\d42b31a675252b74d30a403eed7dd7ce8f46f728b2fd489340d1ae26b72f5cb0
C:\ICo3rjDf.exe

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report