MALICIOUS — 2c053fde2cf4b01aafe61b3288c0c080fe81a4fc98025921c285ebcc452e3a59
MALICIOUS — 2c053fde2cf4b01aafe61b3288c0c080fe81a4fc98025921c285ebcc452e3a59 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the VBObfus family. 4 of 25 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
2c053fde2cf4b01aafe61b3288c0c080fe81a4fc98025921c285ebcc452e3a59 - SHA-1:
d3c7e8ef74db6a3b29c7ef9391c17e4f435b7a39 - MD5:
6d1d0c6becaa112069771b6443669d08 - imphash:
7a9d67af68fd3fb5dc5fed02b48acadd - ssdeep:
1536:S+cIRG/L9EWEp3E5zkons4MBikY+msHH0o4vwo3L2YRTB6m8AJ0SB:SF4uEWuE5zkPBir+miUoUEYRTB6ZYB - TLSH:
T1CC3EA60ADA1A9F8BE072860104992B1E417FF4B1725F318D235A9CEFBBE55A77034079 - Submitted as: 2c053fde2cf4b01aafe61b3288c0c080fe81a4fc98025921c285ebcc452e3a59
- File type: pe · Size: 147456 bytes
- Verdict: malicious (100/100) · Family: VBObfus
Detections (4 of 25 engines)
- Microsoft Defender: Worm:Win32/Vobfus.CS
- Emsisoft (Emergency Kit): Gen:Heur.Conjar.1
- Trellix Stinger (McAfee): VBObfus.g
- Kaspersky (KVRT): Worm.Win32.Vobfus.ersn
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 10 weighted signals:
- Dropped a malicious payload (VBObfus): 023fa526723302d74766a06bc598f93cd043bfd2e12a283dbdf5666e4a8a79c9 - dynamic signal, weight 0.80, confidence 0.90
- Memory forensics: 3 finding(s), e.g. RWX/private injected region in svchost.exe (pid 932) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Microsoft Defender flagged Worm:Win32/Vobfus.CS (rule
Worm:Win32/Vobfus.CS) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Heur.Conjar.1 (rule
Gen:Heur.Conjar.1) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged VBObfus.g (rule
VBObfus.g) - engine signal, weight 0.55, confidence 0.85 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 36 external host(s) at runtime (14 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001 - dynamic signal, weight 0.40, confidence 0.75
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
38313 behavior events · 2 ATT&CK techniques · 3 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- ns1.player1532.com
- ctldl.windowsupdate.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- licensing.mp.microsoft.com
- www.bing.com
- tas02.sls.update.microsoft.com
- fe3cr.delivery.mp.microsoft.com
- v10.events.data.microsoft.com
- slscr.update.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/8592/files/023fa526723302d74766a06bc598f93cd043bfd2e12a283dbdf5666e4a8a79c9 -
023fa526723302d74766a06bc598f93cd043bfd2e12a283dbdf5666e4a8a79c9 - e89e7801c7131f4a4acacd76bca2972157975b60d21cbd2b3eb6fdfc70153099 -
e89e7801c7131f4a4acacd76bca2972157975b60d21cbd2b3eb6fdfc70153099 - c401cac69d02d8fb350472ce10c2258821be566d8051391d900ba075057a925e -
c401cac69d02d8fb350472ce10c2258821be566d8051391d900ba075057a925e
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://203.26.79.13/filestreamingservice//files/736bdc20-582e-46c5-ba31-d31d3d97258e/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/736bdc20-582e-46c5-ba31-d31d3d97258e?P1=1786348712&P2=404&P3=2&P4=UgT%2byxA4QUS5MoTpx8RP94v7LdtDUwvlgX9ELyS4mrklNgqvDOYIDoSqw%2bSZV2AY4L9ftbDaFgilk58kaWwL5Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c48ae315-f580-4b6c-801e-58a0f885749d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c48ae315-f580-4b6c-801e-58a0f885749d?P1=1786348733&P2=404&P3=2&P4=C6uNiMTNbmieneIYemM1aUQx80g9l4qrd77Z31H39CPG8pFT4LFQMFz128PLd206%2fuanxGvc5EYvN6s3DBHf%2fw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ns1.player1532.com
Embedded IP addresses
- 4.150.223.104
- 4.230.171.124
- 40.84.85.40
- 20.247.184.197
- 74.178.240.61
- 135.232.92.97
- 20.42.65.93
- 92.223.78.30
- 135.234.160.245
- 40.79.150.122
- 135.233.45.223
- 52.123.252.243
- 135.233.95.80
- 203.26.79.13
- 172.215.188.225
- 135.232.92.137
- 172.170.180.133
- 20.42.73.28
- 52.123.252.244
- 52.148.114.188
- 72.145.35.113
- 52.110.12.24
File paths
- C:\Program
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report