MALICIOUS — 443cd5c3885aeabb206969041b9ecd9a371db1d4e042403f3b13ce92a32efc32
MALICIOUS — 443cd5c3885aeabb206969041b9ecd9a371db1d4e042403f3b13ce92a32efc32 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Nimnul family. 7 of 52 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
443cd5c3885aeabb206969041b9ecd9a371db1d4e042403f3b13ce92a32efc32 - SHA-1:
da1277fbb16e700f031ff41e5acf1141fcd15c59 - MD5:
515f68a3e533bf16f11b13499b37dba1 - imphash:
e38062877caac65585afa2d2c3200df4 - ssdeep:
768:WV29n/P4/CSoY+gJX0ZQGPL4vzZq2o9W7GsxBbPr:FPZhYr0OGCq2iW7z - TLSH:
T1862DBFCE0B543E89D9CAD912F4848E1C2B07EAAC2679758C6903E52F517096B6C29F4C - Submitted as: 443cd5c3885aeabb206969041b9ecd9a371db1d4e042403f3b13ce92a32efc32
- File type: pe · Size: 28672 bytes
- Verdict: malicious (100/100) · Family: Nimnul
Detections (7 of 52 engines)
- ClamAV (daily): Win.Malware.Wapomi-10020301-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
- Kaspersky (KVRT): Virus.Win32.Nimnul.f
- Microsoft Defender: Virus:Win32/Mikcer.B
- Emsisoft (Emergency Kit): Win32.VJadtre.3
- Trellix Stinger (McAfee): Trojan-FVWC!515F68A3E533
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Wapomi-10020301-0 (rule
Win.Malware.Wapomi-10020301-0) - engine signal, weight 0.90, confidence 0.95 - Dropped a malicious payload (Madeba): 4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 - dynamic signal, weight 0.80, confidence 0.90
- Kaspersky (KVRT) flagged Virus.Win32.Nimnul.f (rule
Virus.Win32.Nimnul.f) - 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 (15 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule
YR_Packer_ASPack_MPRESS) - engine signal, weight 0.35, confidence 0.70 - communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
13529 behavior events · 2 ATT&CK techniques · 50 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- ddos.dnsnb8.net
- ctldl.windowsupdate.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- www.bing.com
- msedge.api.cdp.microsoft.com
- odc.officeapps.live.com
- assets.msn.com
- geo.prod.do.dsp.mp.microsoft.com
- tas02.sls.update.microsoft.com
- kv801.prod.do.dsp.mp.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/9986/files/4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 -
4354970ccc7cd6bb16318f132c34f6a1b3d5c2ea7ff53e1c9271905527f2db07 - /opt/CAPEv2/storage/analyses/9986/files/0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 -
0e03675850241d06080af9ec470649ca4a006222c4ff5d1b05029f1751fecf91 - /opt/CAPEv2/storage/analyses/9986/files/bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 -
bd115a575e86e61cea9136c5a2c47e090ba484dc2dee8b51a34111bb094266d5 - /opt/CAPEv2/storage/analyses/9986/files/920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0 -
920fb0937f8a9d345830865059b6ae3f35ab6803ad4cffef4447473ec18e17a0 - /opt/CAPEv2/storage/analyses/9986/files/f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379 -
f19afa9bbf2ef0308f37ce6cb87cb3c59eb2d1685e08d8b15fd197dda813f379 - /opt/CAPEv2/storage/analyses/9986/files/801637a71f90f1ac21acfd9606bbe2eedcf3500653f39ab76e25ee47cb35d30c -
801637a71f90f1ac21acfd9606bbe2eedcf3500653f39ab76e25ee47cb35d30c - /opt/CAPEv2/storage/analyses/9986/files/079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4 -
079771f6478bb63f24119685df1262ea2735295a3022ba6c1d509650800797e4 - /opt/CAPEv2/storage/analyses/9986/files/bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a -
bbb3de5707629e6a60a0c238cd477b28f07f0066982fda953fa6fcec39073a4a - /opt/CAPEv2/storage/analyses/9986/files/81bac677e834253ae60125ed1be64b1ed0cf25adacaee3fd70a4000b8d5bd508 -
81bac677e834253ae60125ed1be64b1ed0cf25adacaee3fd70a4000b8d5bd508 - /opt/CAPEv2/storage/analyses/9986/files/249b0d96ae8bc49c773c0054b8a6d05f689cbcd9abc9572d30bfb2a2bac36b1a -
249b0d96ae8bc49c773c0054b8a6d05f689cbcd9abc9572d30bfb2a2bac36b1a - /opt/CAPEv2/storage/analyses/9986/files/e91dc258304b42180887679f892e47587a8d67d1140ffb3e8acf79deb95cdb9c -
e91dc258304b42180887679f892e47587a8d67d1140ffb3e8acf79deb95cdb9c - /opt/CAPEv2/storage/analyses/9986/files/7e42b39d55f1ad07551daedacb1d0191c4b9cefeadf0008766819626bac923c1 -
7e42b39d55f1ad07551daedacb1d0191c4b9cefeadf0008766819626bac923c1 - /opt/CAPEv2/storage/analyses/9986/files/81a618f21cb87db9076134e70388b6e9cb7c2106739011b6a51772d22cae06b7 -
81a618f21cb87db9076134e70388b6e9cb7c2106739011b6a51772d22cae06b7 - /opt/CAPEv2/storage/analyses/9986/files/62aab98528514ce16def0b896fe9b756bd8f2589e641f2da204380fc08e75297 -
62aab98528514ce16def0b896fe9b756bd8f2589e641f2da204380fc08e75297 - /opt/CAPEv2/storage/analyses/9986/files/e1c21c533192e043e351fe7c009167e13d0feafbe9765b647250ca66c6495c45 -
e1c21c533192e043e351fe7c009167e13d0feafbe9765b647250ca66c6495c45
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=1786437787&P2=404&P3=2&P4=TzJLgqn8BOj8TN3mkxcmpVcqORMr0MSYP%2bDTC0lazr9xeBPu2AkAksLinSsqDoYbcpTFrryf5eXDVMd2ld%2fzKQ%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=1786437854&P2=404&P3=2&P4=SX1PfylLGor0Jft7MsmdkQ%2fl7JWh%2fpxEQzHFwo8z%2b%2fdA19fo%2fqUvgHY4xC10OPWq0wXJhokr1IEb0H7Zu9L1WQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ddos.dnsnb8.net
Embedded IP addresses
- 20.42.73.30
- 20.42.179.204
- 52.123.252.225
- 52.230.59.222
- 52.230.60.54
- 4.230.171.124
- 172.215.188.225
- 74.178.240.61
- 135.233.95.135
- 4.207.44.73
- 52.168.112.67
- 74.178.76.44
- 203.26.79.13
- 172.178.240.163
- 3.229.117.57
- 92.223.78.30
- 72.145.35.117
- 4.150.223.111
- 20.42.72.131
- 52.110.12.51
- 52.148.114.188
- 52.110.12.32
More Nimnul samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report