MALICIOUS — d996d79e38a91b32e99302d46c49b2ebec02ea57d217504c77ba85e1dc4c262f

MALICIOUS — d996d79e38a91b32e99302d46c49b2ebec02ea57d217504c77ba85e1dc4c262f 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: d996d79e38a91b32e99302d46c49b2ebec02ea57d217504c77ba85e1dc4c262f
SHA-1: c03550de4788aeaa11c2a5e1f0ae8cb5b3cdf4fb
MD5: f4dfb2814845ff27c84883ce50fd0e5c
imphash: 170193414cc4abf0ae27dc2a19d74879
ssdeep: 768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpn:OLsF2Kerc64sTiX2IV0Dhun
TLSH: T1012F396647309602F391A68B55403F4DB0B6A9EE3136C7518EE2B57E8BE045738B847C
Submitted as: d996d79e38a91b32e99302d46c49b2ebec02ea57d217504c77ba85e1dc4c262f
File type: pe · Size: 32780 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 3 external host(s) and 31 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)

18274 behavior events · 3 ATT&CK techniques · 1 dropped files.

Dropped files

C:\Users\analyst\AppData\Roaming\Mozilla\WINWORD.exe - a567fc0431b3853787dae9b75d489684d3b97b902c9954f4d010e85a672645a9

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/3D8F86AF8DCF6C09000011A3F56151A7.aspx
http://i.assmio.com/3DFD06A78DCF6E0B0000194EA9713DCA.aspx
http://i.assmio.com/3E5D26A98DCF6FE1000020B4417C8631.aspx
http://i.assmio.com/3E80A6A88DCF70FD000024FC5E5F7887.080W
http://i.assmio.com/7DCEC6AA8D624D7F0000281BE841B259.html
http://i.assmio.com/7E0C46AB8D624E8100002C6B2428AAF8.html
http://i.assmio.com/7E2EE6AC8D624F5F00002F808F42FDDE.shtm
http://c.pki.goog/r/r1.crl
http://x2.c.lencr.org/
http://ye.c.lencr.org/
http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
http://yr.c.lencr.org/

Embedded domains

i.assmio.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

4.144.132.223
20.184.175.10
52.123.252.248
4.230.171.124
172.64.154.167
52.110.12.28
52.110.12.45
172.237.146.49
135.233.45.223
40.84.97.4
92.223.78.30
52.110.12.4
52.148.114.188
72.154.7.102
52.110.12.19

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report