MALICIOUS — 8e79ec3fbeb6de38e29b5d2e3b0216b1e1adf7087e5f2aed1c310d7717bef087

MALICIOUS — 8e79ec3fbeb6de38e29b5d2e3b0216b1e1adf7087e5f2aed1c310d7717bef087 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the SelfDel family. 4 of 56 detection engines flagged it, exhibiting 6 ATT&CK techniques.

Identification

SHA-256: 8e79ec3fbeb6de38e29b5d2e3b0216b1e1adf7087e5f2aed1c310d7717bef087
SHA-1: c7e0a189232beefa5ae87e6387c29ee12aa7ab8c
MD5: fe31ed88c9df839a7de2413373d6b639
imphash: 170193414cc4abf0ae27dc2a19d74879
ssdeep: 768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpL:OLsF2Kerc64sTiX2IV0DhuL
TLSH: T1642F396747309602F391A68B55403F4DB0B6A8EE3536C7518EE2B67E8BE045738B847C
Submitted as: 8e79ec3fbeb6de38e29b5d2e3b0216b1e1adf7087e5f2aed1c310d7717bef087
File type: pe · Size: 32788 bytes
Verdict: malicious (100/100) · Family: SelfDel

Detections (4 of 56 engines)

ClamAV (daily): Win.Malware.Juko-9753236-0
Microsoft Defender: Trojan:Win32/SelfDel!pz
Emsisoft (Emergency Kit): Trojan.Downloader.JUKO
Kaspersky (KVRT): HEUR:Trojan.Win32.SelfDel.gen

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 14 weighted signals:

ClamAV (daily) flagged Win.Malware.Juko-9753236-0 (rule Win.Malware.Juko-9753236-0) - engine signal, weight 0.90, confidence 0.95
2 behavioral detection(s) across 2 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.63, confidence 0.90
Microsoft Defender flagged Trojan:Win32/SelfDel!pz (rule Trojan:Win32/SelfDel!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.Downloader.JUKO (rule Trojan.Downloader.JUKO) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan.Win32.SelfDel.gen (rule HEUR:Trojan.Win32.SelfDel.gen) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 2 external host(s) and 19 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001, T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
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: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

17545 behavior events · 3 ATT&CK techniques · 1 dropped files.

Dropped files

C:\Users\analyst\AppData\Roaming\Mozilla\WINWORD.exe - 04345205304da9b38d2b1afd5cfb87d2eb212d714917250242eea7a0ca2cb30e

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://i.assmio.com/258F26A98A6F1113000010F76C700FC9.html
http://i.assmio.com/25EC46AB8A6F12F900001870D873B7BB.html
http://i.assmio.com/264CA6A88A6F14EA00001FEC7F0D0404.shtm
http://i.assmio.com/2691F6AD8A6F168F0000263BA247B9BD.758L
http://i.assmio.com/65DF76AE89F7F2DC0000275E265D3407.122S
http://i.assmio.com/662EC6AA89F7F47100002DA7681FF006.html
http://i.assmio.com/663FC6AA89F7F4CD00002EB9CD5C802A.aspx

Embedded domains

i.assmio.com

Embedded IP addresses

20.42.73.24
4.144.132.114
52.123.252.229
85.210.196.11
4.230.171.124
135.233.95.135
40.84.97.4
135.232.92.137
51.11.192.48
52.168.117.168
172.233.212.129
52.110.12.20
172.178.240.163
72.154.7.112
52.148.114.188
52.110.12.1
52.110.12.2

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report