MALICIOUS — 916a5e4cb68e63900f3f660a61370635a01bf962dbacd8904b5fa6ebedd24938

MALICIOUS — 916a5e4cb68e63900f3f660a61370635a01bf962dbacd8904b5fa6ebedd24938 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Astaroth family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

SHA-256: 916a5e4cb68e63900f3f660a61370635a01bf962dbacd8904b5fa6ebedd24938
SHA-1: 620c9e8c7f0a1bfb7cbb683817637bbe42ec7410
MD5: cab777f197b013cbae06a1e3b0e96e23
imphash: 83b45e356be38dee9f40ac165206f07f
ssdeep: 768:bX5L/v28rbBBAs4efgciryxApKd+CfbjYfou+lt/fFTujSjAsOmqeiirrg:t/db4Y4yxmCNu+r/tTujUAsOerrg
TLSH: T1BF398DFA8437856BDAF6DB33EC84AD0E646354B7127E120453D3D00F2AEA9D75830829
Submitted as: 916a5e4cb68e63900f3f660a61370635a01bf962dbacd8904b5fa6ebedd24938
File type: pe · Size: 90398 bytes
Verdict: malicious (100/100) · Family: Astaroth

Detections (6 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Trojan.Zbot-64619
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Trojan:Win32/Astaroth!pz
Emsisoft (Emergency Kit): Trojan.Downloader.JQRK
Kaspersky (KVRT): Trojan-Downloader.Win32.Necurs.d

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

ClamAV (daily) flagged Win.Trojan.Zbot-64619 (rule Win.Trojan.Zbot-64619) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Astaroth!pz (rule Trojan:Win32/Astaroth!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.Downloader.JQRK (rule Trojan.Downloader.JQRK) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan-Downloader.Win32.Necurs.d (rule Trojan-Downloader.Win32.Necurs.d) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 5 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
MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: UPX - 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)

15077 behavior events · 2 ATT&CK techniques · 5 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\conwur.exe - 46a7ff4072533188eb6a92012d249c7b4fc1f8fe4252d147e26e538a9c47f9d2
f429c5f5cd9f099be0fd179828d4b18af2c115bc1f39b5e3f5a46c680de7c75c - f429c5f5cd9f099be0fd179828d4b18af2c115bc1f39b5e3f5a46c680de7c75c
d12cb378bc66076a09671f33a0900bb9012dd59fbc07abbb4aaafddcdb65482b - d12cb378bc66076a09671f33a0900bb9012dd59fbc07abbb4aaafddcdb65482b
61ec324ee1e5deabee1be0375dd2f720e71f2012f00b49e2a1891329e3a0fb32 - 61ec324ee1e5deabee1be0375dd2f720e71f2012f00b49e2a1891329e3a0fb32
eabc011c7edb58c49b8900d418d0096f36767e679af2bf31846a91ee5522f6a8 - eabc011c7edb58c49b8900d418d0096f36767e679af2bf31846a91ee5522f6a8

Embedded URLs

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

Embedded IP addresses

20.42.73.27
20.247.185.124
4.230.171.124
135.232.92.97
57.154.63.210
135.232.92.137
51.132.193.104
4.247.188.233
135.234.160.244
51.105.71.136
4.150.223.114
72.153.5.139
52.148.114.188
52.110.12.32

File paths

C:\Users\Joe
C:\Users\Lisa\Desktop\LDuhywso.exe
C:\Users\admin\Downloads\149b64894b08fbf689e396b1d00c94aadfef0630e793ab1e219811362261718f.exe
C:\Users\Frank\Desktop\ormwnrZK.exe
C:\b258082c4d0f800fb40cab059bfd1dc28f178de5407dd2f86d3cc09356e76ea4
C:\LHu1GvUj.exe
C:\2e9b04d44b6626637906c4f2cb5eeb3b4799d2a78e863f11c71b68e9669252ba
C:\Users\admin\Downloads\conwur.exe

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report