MALICIOUS — a982f16947616833d4a867c2d3b7327a10d39576070ecfea642d107d4c68c623
MALICIOUS — a982f16947616833d4a867c2d3b7327a10d39576070ecfea642d107d4c68c623 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Gupboot family. 6 of 25 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
a982f16947616833d4a867c2d3b7327a10d39576070ecfea642d107d4c68c623 - SHA-1:
b27491c81726d03024bf920f40cdf475f775eb2c - MD5:
528019c17957cc773daa9fb7cd24b323 - imphash:
e296f3e0d8a2821d5e0a3719d2e0e79d - ssdeep:
6144:oo3wBi+1Py3V0a2WkRNgi3caOHO5NjEwwiYWB5mV4Pzw9ygibGGMIp:rKf1PyKa2H3hOHOHz9JQ6zBnp - TLSH:
T1744ACF8D82F96784E7E3C7202E544F0E64F2ACDDE0BE5D450A83D02E27D291BD5D219A - Submitted as: a982f16947616833d4a867c2d3b7327a10d39576070ecfea642d107d4c68c623
- File type: pe · Size: 453282 bytes
- Verdict: malicious (100/100) · Family: Gupboot
Detections (6 of 25 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- YARA: JPCERT/CC: JPCERT_Emotet
- YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
- Microsoft Defender: Trojan:Win32/Urelas!pz
- Trellix Stinger (McAfee): Gupboot!528019C17957
- Kaspersky (KVRT): Rootkit.Win32.Plite.pfl
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 100/100 is the fusion of 15 weighted signals:
- Dropped a malicious payload (Emotet): 43bf7b1373b69f4b465aa2bb281cfbab8a24746b726acb9415f8d444197a3298 - dynamic signal, weight 0.80, confidence 0.90
- Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90 - Memory forensics: 3 finding(s), e.g. RWX/private injected region in svchost.exe (pid 928) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Microsoft Defender flagged Trojan:Win32/Urelas!pz (rule
Trojan:Win32/Urelas!pz) - engine signal, weight 0.55, confidence 0.85 - Trellix Stinger (McAfee) flagged Gupboot!528019C17957 (rule
Gupboot!528019C17957) - 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 35 external host(s) at runtime (13 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: JPCERT/CC flagged JPCERT_Emotet (rule
JPCERT_Emotet) - engine signal, weight 0.35, confidence 0.70 - YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule
TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: 1.234.83.146, 133.242.129.155, 218.54.31.226 - static signal, weight 0.35, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - inject code into another process (rule
inject code into another process) - capa signal, weight 0.12, confidence 0.60 - Extracted generic config (3 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
14197 behavior events · 2 ATT&CK techniques · 2 dropped files.
Runtime network
- www.msftconnecttest.com
- inference.location.live.net
- ctldl.windowsupdate.com
- login.live.com
- settings-win.data.microsoft.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
- licensing.mp.microsoft.com
- assets.msn.com
- www.bing.com
- fe3cr.delivery.mp.microsoft.com
- slscr.update.microsoft.com
- v10.events.data.microsoft.com
- tas02.sls.update.microsoft.com
- msedge.api.cdp.microsoft.com
Dropped files
- /opt/CAPEv2/storage/analyses/7927/files/43bf7b1373b69f4b465aa2bb281cfbab8a24746b726acb9415f8d444197a3298 -
43bf7b1373b69f4b465aa2bb281cfbab8a24746b726acb9415f8d444197a3298 - /opt/CAPEv2/storage/analyses/7927/files/25457cd2bed5d1b732a7a4a6288fe634005429d5ca01c9bfede23883cb73749a -
25457cd2bed5d1b732a7a4a6288fe634005429d5ca01c9bfede23883cb73749a
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=1786307648&P2=404&P3=2&P4=TnQh7N5V5OIfBttG6E0PuLU4yNiByfbWlNZZhWY6RvcmKDWKdHmmfBCUGG4L29PsAT562GFvt17fZ4M85bRKOg%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=1786307709&P2=404&P3=2&P4=UsX7FLUz7%2fq%2f%2faCdRObNQuKzMKc5tlbESCGOtwi91S91I3UkoLCYMQFW2F9sqTM9oK7Vg4srtoxXpSWTlaNRjQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 1.234.83.146
- 133.242.129.155
- 218.54.31.226
- 218.54.31.165
- 48.211.4.16
- 20.42.65.91
- 52.230.60.54
- 57.155.101.212
- 4.230.171.124
- 74.179.77.164
- 74.178.76.128
- 20.184.175.3
- 52.168.117.175
- 172.178.240.162
- 74.179.71.159
- 203.26.79.13
- 85.210.193.152
- 172.178.240.163
- 52.110.12.28
- 52.110.12.38
- 72.145.35.115
- 52.148.114.188
- 52.110.12.30
File paths
- X:\:`:d:h:l:p:t:x:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report