MALICIOUS — 5652c3f60f712bdfa9a6501f168b062cc572ffe574ccc81214d02b1e27b6844b
MALICIOUS — 5652c3f60f712bdfa9a6501f168b062cc572ffe574ccc81214d02b1e27b6844b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Fasong family. 6 of 55 detection engines flagged it, exhibiting 6 ATT&CK techniques.
Identification
- SHA-256:
5652c3f60f712bdfa9a6501f168b062cc572ffe574ccc81214d02b1e27b6844b - SHA-1:
5139891e7b9f56d3ca71e133acadbcb7704cadb6 - MD5:
3f182fdbc89390853b363a9536578753 - imphash:
9d3b7dc2b70a7141008d23acc65769c8 - ssdeep:
6144:Z3OOCKLlcPKJEld2zJQPfuSlMHyaXXu6FQGkcC+V5R5azYBONNYJ7efR:lOOZpUtlwX+zc7V5Rn1Jyf - TLSH:
T1F54A8D7E12277603FE3ADA144884AE5E0436FC5E417A1848926BD4BDF7F9C6F1640A2C - Submitted as: 5652c3f60f712bdfa9a6501f168b062cc572ffe574ccc81214d02b1e27b6844b
- File type: pe · Size: 435237 bytes
- Verdict: malicious (99/100) · Family: Fasong
Detections (6 of 55 engines)
- capa (capabilities): capability:collection/keylog
- ClamAV (daily): Win.Malware.Fasong-9910797-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Microsoft Defender: Worm:Win32/Fasong.C
- Emsisoft (Emergency Kit): Gen:Trojan.ShellReg.AGX@aW4SuOnb
- Kaspersky (KVRT): Worm.Win32.Fasong.c
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Malware.Fasong-9910797-0 (rule
Win.Malware.Fasong-9910797-0) - engine signal, weight 0.90, confidence 0.95 - 2 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - 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 - capture keystrokes (rule
capture keystrokes) - capa signal, weight 0.40, confidence 0.80 - Contacted 26 external host(s) at runtime (22 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 - persist via registry run key (rule
persist via registry run key) - capa signal, weight 0.35, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Dropped 7 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)
579 behavior events · 3 ATT&CK techniques · 10 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Config.Msi\UOEP.EXE -
f97f6dabebfa3e5616bbbd03a647b13c3f1a2f7249988c32b2f619204efbd00a - C:\Program Files (x86)\VIVZSU.EXE -
f882d5a52c51a37e487b7d3d6202924cc89823eeb1089d90532821d36076babf - C:\Program Files (x86)\VMNXZU.EXE -
8b8461be433d6748208063723df1efa2223d602de9407da07b43d0afba88d232 - C:\PPLFaultTemp\LPCDB.EXE -
d940a17208bd47d723197cf0ae730a4f6cabe3684cc864beaf68dac426495cf4 - C:\ThreatLens\SGLMBQW.EXE -
a28b0fe4d2ebf04624c5dd19bbb9bd9a0ed1c011b4ef3394ea11788a401874f7 - C:\Program Files\IFAIYA.EXE -
b8d94978a7d33382c9bee9af413c91eaf898ef59b5f1202a00f41ab400dfe06a - 2aa6e6c74ce2407bd06493fefe94a8c2e74c9ae930c8de1d430fb0448b7e5836 -
2aa6e6c74ce2407bd06493fefe94a8c2e74c9ae930c8de1d430fb0448b7e5836 - C:\Users\OYXSHMY.EXE -
e2c1b3618a4e6b21e02af443eb9159d245a9e600d4e4014c3dbb14b76d245b60 - C:\filedebug -
f2bb1a1f14fd0cf1ea002f79979c614074f829facb86194b8525cf281b689486 - 1bb4659acc17f6f50693782c839de9171f944b2b6fbe353ce818f3eef4a5a9e2 -
1bb4659acc17f6f50693782c839de9171f944b2b6fbe353ce818f3eef4a5a9e2
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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787795465&P2=404&P3=2&P4=hREtRBqNShE%2fW6%2fuzxmnKuIWcQzre%2bNXmksNb80RxMHYjqvdCckdvaRF4PG6sUzHjhy8Zj6E%2bwszw1mWmwkPow%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787795545&P2=404&P3=2&P4=N2MHSJFa5y5bEdvNXb7%2bQ1gjCUMj8IP%2bMyg%2bV%2fyFU0aiP9QjaG0KW%2bvafLIZgK0AFgDHHqIQK3H0FSO%2fKIZ4tQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.50.73.5
- 52.123.252.246
- 20.247.184.142
- 40.84.97.4
- 4.230.171.124
- 135.232.92.137
- 40.79.141.155
- 20.112.250.133
- 52.123.128.14
- 52.123.129.14
- 74.178.76.54
- 52.168.117.168
- 203.26.79.13
- 135.233.45.222
- 172.66.2.5
- 135.232.92.34
- 52.110.12.1
- 52.110.12.20
- 52.148.114.188
- 135.233.45.223
- 172.178.240.161
- 20.184.175.23
- 4.150.223.103
- 72.154.7.106
- 52.110.12.18
File paths
- c:\filedebug
- K:\:
- X:\:`:d:h:l:p:t:x:
- X:\:`:d:h:p:t:x:
More Fasong samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report