MALICIOUS — 392bf0b7a303ebd9bf8a29931c328019f516df22e8fc713584c384c6c545dbc5
MALICIOUS — 392bf0b7a303ebd9bf8a29931c328019f516df22e8fc713584c384c6c545dbc5 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Changeup family. 5 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
392bf0b7a303ebd9bf8a29931c328019f516df22e8fc713584c384c6c545dbc5 - SHA-1:
6476a6cf9cc2da4928f27480aafaea2456dbce9e - MD5:
b57c823c85cd1260cf2ff4fb7f1ec6ce - imphash:
40faeedacb9311b74b41e87ea893d6f7 - ssdeep:
1536:1AZFH+uKd/EsUzUVACD1LGLULKLdLaL7gW8ENVk4LkUa:C5+9/EsUAtNVup - TLSH:
T1BF396F8C1374E893F3A9930B6D1C69AD4DEEC013C627C5A006E29D8E98D376FD82615D - Submitted as: 392bf0b7a303ebd9bf8a29931c328019f516df22e8fc713584c384c6c545dbc5
- File type: pe · Size: 90112 bytes
- Verdict: malicious (100/100) · Family: Changeup
Detections (5 of 56 engines)
- ClamAV (daily): Win.Trojan.Changeup-6169544-0
- Microsoft Defender: Worm:Win32/Vobfus.BA
- Emsisoft (Emergency Kit): Gen:Variant.Barys.12405
- Trellix Stinger (McAfee): Downloader-CJX.gen.az
- Kaspersky (KVRT): Worm.Win32.VBNA.bsgt
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Changeup-6169544-0 (rule
Win.Trojan.Changeup-6169544-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Worm:Win32/Vobfus.BA (rule
Worm:Win32/Vobfus.BA) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.Barys.12405 (rule
Gen:Variant.Barys.12405) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged Downloader-CJX.gen.az (rule
Downloader-CJX.gen.az) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Worm.Win32.VBNA.bsgt (rule
Worm.Win32.VBNA.bsgt) - 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 33 external host(s) and 11 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- 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)
56820 behavior events · 3 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ns1.player1253.com
- ns1.videoall.net
- ns1.mediashares.org
- 18.167.190.20.in-addr.arpa.
- 85.52.40.23.in-addr.arpa.
- d.1.d.1.c.4.2.1.4.9.5.2.6.e.8.b.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.
- 251.0.0.224.in-addr.arpa.
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
- 252.0.0.224.in-addr.arpa.
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
- tas02.sls.update.microsoft.com
- 137.92.232.135.in-addr.arpa.
- v10.events.data.microsoft.com
- 94.16.208.104.in-addr.arpa.
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
- 107.223.150.4.in-addr.arpa.
Dropped files
- C:\Users\analyst\yeoutox.exe -
8076854a169635b1fb86072236ccc84e442a22edf03ea9c303ae5fd5e448bd0d - 3db90c9480af05c6c737ce45781ea52e1e0c2a907b6e8b1000c4288f4a597c74 -
3db90c9480af05c6c737ce45781ea52e1e0c2a907b6e8b1000c4288f4a597c74 - 7c463c7123d7fa36748a6d1299aa14cb77ba9748a86aa51dafa1fd0018a40ccb -
7c463c7123d7fa36748a6d1299aa14cb77ba9748a86aa51dafa1fd0018a40ccb
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- ns1.player1253.com
- ns1.videoall.net
- ns1.mediashares.org
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- ..localmachine
Embedded IP addresses
- 40.84.97.4
- 135.232.92.137
- 104.208.16.94
- 20.42.179.192
- 20.184.175.2
- 20.42.72.131
- 52.123.128.14
- 52.148.114.188
- 4.150.223.105
- 4.150.223.106
- 72.145.35.97
- 52.168.117.169
- 4.207.44.65
- 20.42.65.84
- 4.150.223.112
- 172.215.188.225
- 172.172.255.218
- 203.26.79.13
- 72.145.35.110
- 40.84.85.40
- 51.116.253.169
- 4.150.223.109
- 4.207.44.77
- 4.247.188.224
- 4.150.223.107
File paths
- C:\Program
More Changeup samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report