MALICIOUS — a336d639ca9914c2f994cec38a38b90bf81d8e5c56b30f138416993a6c4cb299
MALICIOUS — a336d639ca9914c2f994cec38a38b90bf81d8e5c56b30f138416993a6c4cb299 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:
a336d639ca9914c2f994cec38a38b90bf81d8e5c56b30f138416993a6c4cb299 - SHA-1:
ee7ede5f5c0c9a8e8dfaadaa6e325d57c6ea1746 - MD5:
76a691eb5491caa0647459856cb7b424 - imphash:
40faeedacb9311b74b41e87ea893d6f7 - ssdeep:
1536:hmFZFH+JKd/EsUzUVACD1LGLULKLdLaL7gW8ENVk4LGla:S5+4/EsUAtNVc8 - TLSH:
T1EA395F8C1374E893F3AA930B6C1C69AD4DEEC013C627C5A006E59D8E98D376FD82615D - Submitted as: a336d639ca9914c2f994cec38a38b90bf81d8e5c56b30f138416993a6c4cb299
- 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.VBKrypt.55
- 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 12 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.BA (rule
Worm:Win32/Vobfus.BA) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.VBKrypt.55 (rule
Gen:Variant.VBKrypt.55) - 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 2 external host(s) and 17 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
Dynamic analysis (windows)
36022 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
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- default.exp-tas.com
- ctldl.windowsupdate.com
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
Dropped files
- C:\Users\analyst\diojoa.exe -
8a34ae9e256b4874e1b0932595e8fcef2163241d820389e58f31236dae2ee3f1 - 27af4df9541962ea3b1496af77c30cdbb35274d873edec4d3b59ba0def0f5fb2 -
27af4df9541962ea3b1496af77c30cdbb35274d873edec4d3b59ba0def0f5fb2 - 281165ed0a2194b9e2be8b7fd0516e8fb8f9cac740b233d59508af00e7d9956a -
281165ed0a2194b9e2be8b7fd0516e8fb8f9cac740b233d59508af00e7d9956a
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- http://203.26.79.13/filestreamingservice//files/afb4c1e7-5ab6-4274-bbe6-fa4639876844/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/afb4c1e7-5ab6-4274-bbe6-fa4639876844?P1=1787350513&P2=404&P3=2&P4=hPXnleCiB9KFQ4NRbqYeeghmod3YwFu3rr9u1dSWiMPau3fH8ayNmoxsXeGYw0HQYtbTaDTHKbjAVSOC%2b0lU%2bA%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/6c2dbffa-872a-4f74-b39c-0ab782eea5bf/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/6c2dbffa-872a-4f74-b39c-0ab782eea5bf?P1=1787354299&P2=404&P3=2&P4=ElLaAGSqvHE%2fud1oOy9cHTUmePvNSsovOeUG0kb6%2bBU6%2b%2bMYS0cpPMllI2X7kLzG0p4YKwEcdFNAK2Q5UFj2GA%3d%3d&cacheHostOrigin=tlu.dl.delivery.mp.microsoft.com
- 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.player1253.com
- ns1.videoall.net
- ns1.mediashares.org
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- default.exp-tas.com
Embedded IP addresses
- 4.150.223.107
- 20.42.179.192
- 52.123.252.195
- 4.144.132.114
- 4.230.171.124
- 40.84.97.4
- 135.232.92.97
- 4.150.223.113
- 20.165.94.63
- 135.233.95.144
- 172.175.111.170
- 13.69.116.107
- 4.150.223.111
- 135.234.160.244
- 203.26.79.13
- 51.116.246.104
- 52.168.117.169
- 4.150.223.109
- 135.234.160.246
- 172.172.255.218
- 52.110.12.48
- 72.145.35.105
- 52.110.12.2
- 52.148.114.188
File paths
- C:\Program
More Changeup samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report