MALICIOUS — df82efaf811e637e237b7eb4ba8c69d46bd5cbdde406eb4b3a8164c860b34164
MALICIOUS — df82efaf811e637e237b7eb4ba8c69d46bd5cbdde406eb4b3a8164c860b34164 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the NabucurObfs family. 4 of 25 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
df82efaf811e637e237b7eb4ba8c69d46bd5cbdde406eb4b3a8164c860b34164 - SHA-1:
e4028403bce779b6e4025af8dd5d203f99dfcdbe - MD5:
c8ed9e5f8a33c9af1f8c12beccddbb1b - imphash:
d41d8cd98f00b204e9800998ecf8427e - ssdeep:
12288:m/e210TO+Ej+s8asjnM4SoYn7VfrP83huEfHRrYuCrez/TICnTkTIWw+jcBO5WRR:EeJEjlZ4U5ChuEfxiCz/oCkElNRr - TLSH:
T1B2589A174C143A53C65898EB42AAB4F60CC21D2C8F2B9B11ABE6D9017D5F23276FE1D1 - Submitted as: df82efaf811e637e237b7eb4ba8c69d46bd5cbdde406eb4b3a8164c860b34164
- File type: pe · Size: 1676288 bytes
- Verdict: malicious (97/100) · Family: NabucurObfs
Detections (4 of 25 engines)
- Microsoft Defender: Trojan:Win32/NabucurObfs
- Emsisoft (Emergency Kit): Win32.Virlock.Gen.5
- Trellix Stinger (McAfee): W32/VirRansom
- Kaspersky (KVRT): Virus.Win32.PolyRansom.a
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 8 weighted signals:
- Microsoft Defender flagged Trojan:Win32/NabucurObfs (rule
Trojan:Win32/NabucurObfs) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Win32.Virlock.Gen.5 (rule
Win32.Virlock.Gen.5) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged W32/VirRansom (rule
W32/VirRansom) - 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 41 external host(s) at runtime (15 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: 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)
36618 behavior events · 2 ATT&CK techniques · 18 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- google.com
- ctldl.windowsupdate.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- settings-win.data.microsoft.com
- licensing.mp.microsoft.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- assets.msn.com
- www.bing.com
- tas02.sls.update.microsoft.com
- v10.events.data.microsoft.com
- fe3cr.delivery.mp.microsoft.com
- slscr.update.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/8754/files/394629822ef6d5a5a20bffc30293679d302cb9801121b08d4e92c9189f579c97 -
394629822ef6d5a5a20bffc30293679d302cb9801121b08d4e92c9189f579c97 - /opt/CAPEv2/storage/analyses/8754/files/2c9828f85bd62d6f40f14fcb5a838456437761c3c712c4b761cecc75c8565ee3 -
2c9828f85bd62d6f40f14fcb5a838456437761c3c712c4b761cecc75c8565ee3 - /opt/CAPEv2/storage/analyses/8754/files/58610c2e6e209909a020517577f6eee127f7fbdff77aea5c848960564890e664 -
58610c2e6e209909a020517577f6eee127f7fbdff77aea5c848960564890e664 - /opt/CAPEv2/storage/analyses/8754/files/95faee9b719b3ecc6e4ea933c55ff1da9b077632e330dcdf05b0c4c2bb6b3d1c -
95faee9b719b3ecc6e4ea933c55ff1da9b077632e330dcdf05b0c4c2bb6b3d1c - /opt/CAPEv2/storage/analyses/8754/files/474871d07d34c4e62b0afe6edc97c89593ced5ee814c8c98eb22aeb02adfdaa1 -
474871d07d34c4e62b0afe6edc97c89593ced5ee814c8c98eb22aeb02adfdaa1 - /opt/CAPEv2/storage/analyses/8754/files/dffedb4bd7421e0d8b56380f0641136f61f2316d9943e4cdfe0962643abe355d -
dffedb4bd7421e0d8b56380f0641136f61f2316d9943e4cdfe0962643abe355d - /opt/CAPEv2/storage/analyses/8754/files/bcb253ea3735a0cf0a8c6ee06c14c884937c64ddeacedb17240e40d403577620 -
bcb253ea3735a0cf0a8c6ee06c14c884937c64ddeacedb17240e40d403577620 - /opt/CAPEv2/storage/analyses/8754/files/d3e8d47e8c1622ec10adef672ca7a8992748c4f0a4e75f877462e7e661069698 -
d3e8d47e8c1622ec10adef672ca7a8992748c4f0a4e75f877462e7e661069698 - /opt/CAPEv2/storage/analyses/8754/files/ed7913a5b4914f6343f312915bd957b6c72c09c3061985d38d2d8b6c4241af51 -
ed7913a5b4914f6343f312915bd957b6c72c09c3061985d38d2d8b6c4241af51 - /opt/CAPEv2/storage/analyses/8754/files/b1638bce385ecf82c20f1632afbc9dbb11ff65632096b9e268d73eb79536b9e9 -
b1638bce385ecf82c20f1632afbc9dbb11ff65632096b9e268d73eb79536b9e9 - /opt/CAPEv2/storage/analyses/8754/files/5c5b0de42d55486ed61dd3a6e96ab09f467bb38ae39fced97adc51ba07426c0e -
5c5b0de42d55486ed61dd3a6e96ab09f467bb38ae39fced97adc51ba07426c0e - /opt/CAPEv2/storage/analyses/8754/files/f92fc96c49696e9340c631d54c2e9abaa00506bd4fe6dee074404a93fdfe0511 -
f92fc96c49696e9340c631d54c2e9abaa00506bd4fe6dee074404a93fdfe0511 - /opt/CAPEv2/storage/analyses/8754/files/7b2e5a57c7ee8dcfdc33ab387d9ca4b1f88e79a49c95491cb217e265fb8bf075 -
7b2e5a57c7ee8dcfdc33ab387d9ca4b1f88e79a49c95491cb217e265fb8bf075 - /opt/CAPEv2/storage/analyses/8754/files/0f35ace5268db33940ed18e946a9c65be4e31ec0ae31faa6e60122859c5cb5ca -
0f35ace5268db33940ed18e946a9c65be4e31ec0ae31faa6e60122859c5cb5ca - /opt/CAPEv2/storage/analyses/8754/files/d7d2decd2443d2b47727cb965071588df3e2c96b68e0608b2696174c1e5e9834 -
d7d2decd2443d2b47727cb965071588df3e2c96b68e0608b2696174c1e5e9834
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://google.com/
- 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=1786358997&P2=404&P3=2&P4=nQDCV8pohfUhk1naIXgL2%2bRX7m3v8FlIQ7fEtFBreynyTieRz3dn1AzkFAslftXP5%2b6jojhoRjLxUi5PlCIH4Q%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=1786359134&P2=404&P3=2&P4=K83tUHJ6cV6aC%2fKSmPOYmAcOeJPg6VTALPfCIiWm%2flrcUlPSP3gSPXGhN85fuSRCYUV1zidm36fJkvewEzcECg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 104.208.16.94
- 52.123.252.240
- 4.144.132.223
- 4.247.188.224
- 4.230.171.124
- 74.179.77.204
- 135.233.95.135
- 4.150.223.98
- 172.178.240.161
- 200.87.164.69
- 135.234.160.245
- 203.26.79.13
- 200.119.204.12
- 20.184.175.16
- 20.42.72.131
- 190.186.45.170
- 52.110.12.32
- 52.110.12.19
- 52.123.252.247
- 135.233.95.80
- 72.154.7.114
- 52.148.114.188
- 142.250.207.14
- 142.251.222.238
- 74.178.232.29
More NabucurObfs samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report