MALICIOUS — f886cd9ea17ed355a5e6d825d6e292d45ab5b060e4f7b5b59f5d1d6a9d39f600

MALICIOUS — f886cd9ea17ed355a5e6d825d6e292d45ab5b060e4f7b5b59f5d1d6a9d39f600 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Vobfus family. 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: f886cd9ea17ed355a5e6d825d6e292d45ab5b060e4f7b5b59f5d1d6a9d39f600
SHA-1: 12030d22ff04a6f0e9f06ec017260e9861a14905
MD5: 8eb7fb38faaf984aceceb26439c2fe6e
imphash: ce943fcaad1fb35c0923eb2f3174f044
ssdeep: 3072:Aaoot3vu3XuIcN6/xbccM3hEL8fyUha5f1Me5qQ:Aa1/uuIcNmLX8dhaRKe5qQ
TLSH: T1433EEA1AD91B6F47F47286015499261E417EF0B2769F31CC279A9CEFAFA0193B43403A
Submitted as: f886cd9ea17ed355a5e6d825d6e292d45ab5b060e4f7b5b59f5d1d6a9d39f600
File type: pe · Size: 143360 bytes
Verdict: malicious (100/100) · Family: Vobfus

Detections (5 of 56 engines)

ClamAV (daily): Win.Trojan.Changeup-6169544-0
Microsoft Defender: Worm:Win32/Vobfus!pz
Emsisoft (Emergency Kit): Trojan.GenericKDZ.83208
Trellix Stinger (McAfee): Downloader-CJX.gen.ad
Kaspersky (KVRT): Worm.Win32.Vobfus.eepy

MITRE ATT&CK

Why this verdict

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

ClamAV (daily) flagged Win.Trojan.Changeup-6169544-0 (rule Win.Trojan.Changeup-6169544-0) - 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!pz (rule Worm:Win32/Vobfus!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Trojan.GenericKDZ.83208 (rule Trojan.GenericKDZ.83208) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Downloader-CJX.gen.ad (rule Downloader-CJX.gen.ad) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Worm.Win32.Vobfus.eepy (rule Worm.Win32.Vobfus.eepy) - 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 21 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
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)

45146 behavior events · 3 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\jomib.exe - e576a1b382156fdd0197874994658872d204b41e965de32464c06095a90ff6fb
5fe90375a1ab215b8e8c6672b241dbeeef04d14b4866aa0dff4f63dba84b5776 - 5fe90375a1ab215b8e8c6672b241dbeeef04d14b4866aa0dff4f63dba84b5776
55c310519e613f2e97881df2c3a5c9322a83d78402c2492b992628f12d056d80 - 55c310519e613f2e97881df2c3a5c9322a83d78402c2492b992628f12d056d80

Embedded URLs

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

ns1.player1532.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

4.150.223.104
4.144.132.114
4.230.171.124
172.178.240.162
4.247.188.224
52.148.114.188
52.110.12.10
52.110.12.31
72.154.7.103

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report