MALICIOUS — e9f608e81fb473ef3fb5406e1e6e164b786a3a8323d42da2e9e4f811a6ae823e

MALICIOUS — e9f608e81fb473ef3fb5406e1e6e164b786a3a8323d42da2e9e4f811a6ae823e is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Vobfus family. 4 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: e9f608e81fb473ef3fb5406e1e6e164b786a3a8323d42da2e9e4f811a6ae823e
SHA-1: c1b3059495c8b8a204fa5c76f83a415898c17839
MD5: fd6f5db94940351b0da53b3d857e4844
imphash: e8086a103efa4e592b077ae5b9b7dd54
ssdeep: 768:3HbY50sGKjtV9US/bI0/F/NstMlwQTOxelNmw5jRC:3H2GIV9UKIUJxdlNmKjRC
TLSH: T1403953EB1614D845E4FEE56F1E0ABFDD24CE56405B3720591A4E020FA9C21F7A038EAD
Submitted as: e9f608e81fb473ef3fb5406e1e6e164b786a3a8323d42da2e9e4f811a6ae823e
File type: pe · Size: 86016 bytes
Verdict: malicious (100/100) · Family: Vobfus

Detections (4 of 56 engines)

ClamAV (daily): Win.Worm.Vobfus-6992563-0
Microsoft Defender: Worm:Win32/Vobfus.AC
Emsisoft (Emergency Kit): Gen:Trojan.Chinky.2
Kaspersky (KVRT): Worm.Win32.VBNA.b

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 11 weighted signals:

ClamAV (daily) flagged Win.Worm.Vobfus-6992563-0 (rule Win.Worm.Vobfus-6992563-0) - engine signal, weight 0.90, confidence 0.95
1 behavioral detection(s) across 1 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.60, confidence 0.90
Microsoft Defender flagged Worm:Win32/Vobfus.AC (rule Worm:Win32/Vobfus.AC) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.Chinky.2 (rule Gen:Trojan.Chinky.2) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Worm.Win32.VBNA.b (rule Worm.Win32.VBNA.b) - 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 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1082, T1622, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

101604 behavior events · 3 ATT&CK techniques · 3 dropped files.

Dropped files

7adbcef2d07544144fb44c669e5db190f1261b5e1bbdf8d5d395b1bede91fae9 - 7adbcef2d07544144fb44c669e5db190f1261b5e1bbdf8d5d395b1bede91fae9
358b833e07584f281e28d06e75a58eb8637d26fa3a5a23f663c76166c72c324b - 358b833e07584f281e28d06e75a58eb8637d26fa3a5a23f663c76166c72c324b
f928d3ea5980a00c0a7f7171c7468d3572dff58fe5efb20d14b2c34deec95801 - f928d3ea5980a00c0a7f7171c7468d3572dff58fe5efb20d14b2c34deec95801

Embedded URLs

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

Embedded domains

ns3.thepicturehut.net

Embedded IP addresses

57.155.104.224
20.184.175.23
20.247.184.142
4.230.171.124
172.64.154.167
74.178.240.51
135.233.95.144
51.116.246.105
104.46.162.224
52.110.12.20
52.110.12.14
40.79.163.154
52.178.17.232
135.234.160.246
72.145.35.98
52.148.114.188
52.110.12.51
52.110.12.38

More Vobfus samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report