MALICIOUS — d9652fc252ded80d4ede2001d8e1d16269fa847d3dbf0094cb92f0a1ebce82e0

MALICIOUS — d9652fc252ded80d4ede2001d8e1d16269fa847d3dbf0094cb92f0a1ebce82e0 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Nupik family. 6 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.

Identification

SHA-256: d9652fc252ded80d4ede2001d8e1d16269fa847d3dbf0094cb92f0a1ebce82e0
SHA-1: 1bf1c67e790365a6f6ef57cc68e7b25551db6da2
MD5: 57346085deeaf3bcbbc8d7f7232eae06
imphash: 532816589b7c9c3bed0fbcc3d1503ba1
ssdeep: 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/e87pjBFy11Aw/:o68i3odBiTl2+TCU/jhuhuIz
TLSH: T168427E7D4F2B7B03D136CA680E045E9F0022F49AA13D54885A53947DA7FFC27BA4429E
Submitted as: d9652fc252ded80d4ede2001d8e1d16269fa847d3dbf0094cb92f0a1ebce82e0
File type: pe · Size: 204860 bytes
Verdict: malicious (100/100) · Family: Nupik

Detections (6 of 55 engines)

ClamAV (daily): Win.Worm.Nupik-1
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
Microsoft Defender: Worm:Win32/Delf.BE!MTB
Emsisoft (Emergency Kit): Dropped:Generic.Malware.SV!p2p!u.AB9A06E4
Kaspersky (KVRT): P2P-Worm.Win32.VB.dz

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

ClamAV (daily) flagged Win.Worm.Nupik-1 (rule Win.Worm.Nupik-1) - engine signal, weight 0.90, confidence 0.95
1 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
Dropped a suspicious payload: BalROK.HTML - dynamic signal, weight 0.40, confidence 0.90
Contacted 30 external host(s) at runtime (21 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_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule STRATO_Tor_Onion_C2) - 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
Embedded network infrastructure: 3.6.1.0, 5.0.3.6 - 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
Extracted generic config (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

12466 behavior events · 3 ATT&CK techniques · 11 dropped files.

Dropped files

C:\Windows\SHARE_TEMP\Icon12.ico - 67bc1cd876f5059789b0dc8dc16c0b2155e55aca8d1c8439d70c8882e1875740
C:\BalROK.HTML - 3959c5532031a58119c317dda15ac9313505df4a92c004cd2e76b071b0fad4a4
C:\Windows\winhash_up.exe - b1c8cc04aad1a97ea82a4ead3ee3c84b6718c195a0aeb5cd69a24e41016ca967
C:\Windows\SHARE_TEMP\Icon6.ico - 0df5c718b7aee9f045f804f6a53cb0727f66e1ac1df612c6ecf342aed81ce130
C:\Windows\SHARE_TEMP\Icon2.ico - 00a339ff5338d0cfe91b262175eef4e5fd07f9d28e8f980a1f5ff43a5a81e597
C:\Windows\SHARE_TEMP\Icon7.ico - 71acc5a88debfdba0eed23272ef4b09fd6609eeb4b1ec457c72444472ad8b3a4
C:\Windows\SHARE_TEMP\Icon3.ico - d2770f68db717c5335ceca3f2b0be1e294839a4904d3525f4c5e9847654d39c2
C:\Windows\SHARE_TEMP\Icon14.ico - adb0b5eb4fcfcc55c40eaa2ba3d142ed413293b2212bb2a1ddd8ed062db004bf
C:\Windows\SHARE_TEMP\Icon10.ico - 76f05dd79b2d3a08baf928e4811b0f179e96ac351ff8007f2e24f5fbb4b95253
C:\Windows\bugMAKER.bat - 80a228c452e424cbff08fd30cea1fd1d0ae6f355e677654ae80686c22faf3070
C:\Windows\SHARE_TEMP\Icon5.ico - 462d333fc849166df8cb4e9ba6edd8404f4d79ebcd535125ecb5e8fe9d2cc0e0

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=1787848301&P2=404&P3=2&P4=IQQfBS84evQUpZ6alvrFM0Z1necDX67ngDeeOzQZWj0%2baMp7prSlAltvbHe373AlzwzNVUBqJIV9keqdTopPRQ%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=1787848387&P2=404&P3=2&P4=QYSBoVUYrAEDP%2bMl3%2fkVK%2fyd5TBbBC2Fqp8PPkLKJyGli5W6s7gdNmdmyd4t7%2bFEtls7dYSWuFod9Wfkz68DnQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

3.6.1.0
5.0.3.6
40.84.85.40
4.150.223.100
52.123.252.247
20.247.185.124
57.155.104.224
4.230.171.124
74.178.240.61
13.89.179.12
74.178.240.51
52.123.128.14
20.236.44.162
40.99.134.2
52.123.129.14
20.184.175.19
135.234.160.246
135.233.45.223
52.123.252.195
52.110.12.4
52.148.114.188
52.110.12.48
203.26.79.13
135.233.95.80
4.150.223.115

File paths

C:\Programme\eMule

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report