MALICIOUS — b52939d4757e974b33bc9362e3b251978ade330da5d464bf759dc552a6111961
MALICIOUS — b52939d4757e974b33bc9362e3b251978ade330da5d464bf759dc552a6111961 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Nupik family. 6 of 56 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
b52939d4757e974b33bc9362e3b251978ade330da5d464bf759dc552a6111961 - SHA-1:
7644e62302f96ed3c7455475cfd9812429f0db33 - MD5:
a8dac53b6992b61470c5fc9f0a5096f3 - imphash:
532816589b7c9c3bed0fbcc3d1503ba1 - ssdeep:
3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8fpjwypjBFyg:o68i3odBiTl2+TCU/e/huhuIpRLM - TLSH:
T17F447DBE4B2B7B03D172CB581D0C5E9F0033B49EA13D658C5A63902D57FA827A6481DB - Submitted as: b52939d4757e974b33bc9362e3b251978ade330da5d464bf759dc552a6111961
- File type: pe · Size: 253336 bytes
- Verdict: malicious (100/100) · Family: Nupik
Detections (6 of 56 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 16 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) across 1 rule(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Microsoft Defender flagged Worm:Win32/Delf.BE!MTB (rule
Worm:Win32/Delf.BE!MTB) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Dropped:Generic.Malware.SV!p2p!u.AB9A06E4 (rule
Dropped:Generic.Malware.SV!p2p!u.AB9A06E4) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged P2P-Worm.Win32.VB.dz (rule
P2P-Worm.Win32.VB.dz) - engine signal, weight 0.55, confidence 0.85 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70 - 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
- YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule
STRATO_Tor_Onion_C2) - engine signal, weight 0.50, confidence 0.70 - Contacted 2 external host(s) and 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- 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)
11913 behavior events · 3 ATT&CK techniques · 11 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- c.pki.goog
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
- update.googleapis.com
- login.live.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- windows.msn.com
- www.msn.com
- www.bing.com
- assets.msn.com
Dropped files
- C:\Windows\SHARE_TEMP\Icon12.ico -
67bc1cd876f5059789b0dc8dc16c0b2155e55aca8d1c8439d70c8882e1875740 - C:\BalROK.HTML -
3959c5532031a58119c317dda15ac9313505df4a92c004cd2e76b071b0fad4a4 - C:\Windows\SHARE_TEMP\Icon6.ico -
0df5c718b7aee9f045f804f6a53cb0727f66e1ac1df612c6ecf342aed81ce130 - C:\Windows\winhash_up.exe -
99f4dd0f3b28496cd97ef09c0702be1ea97f8d8bfdfe8d1aca1aa2b02c39118e - C:\Windows\SHARE_TEMP\Icon2.ico -
00a339ff5338d0cfe91b262175eef4e5fd07f9d28e8f980a1f5ff43a5a81e597 - C:\Windows\SHARE_TEMP\Icon7.ico -
71acc5a88debfdba0eed23272ef4b09fd6609eeb4b1ec457c72444472ad8b3a4 - C:\Windows\bugMAKER.bat -
8a7dfee6bf3089d8e3c1024c60ab19315a1b023cac5cca9f3906db8347ca8ab7 - C:\Windows\SHARE_TEMP\Icon3.ico -
d2770f68db717c5335ceca3f2b0be1e294839a4904d3525f4c5e9847654d39c2 - C:\Windows\SHARE_TEMP\Icon14.ico -
adb0b5eb4fcfcc55c40eaa2ba3d142ed413293b2212bb2a1ddd8ed062db004bf - C:\Windows\SHARE_TEMP\Icon10.ico -
76f05dd79b2d3a08baf928e4811b0f179e96ac351ff8007f2e24f5fbb4b95253 - 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://c.pki.goog/r/r1.crl
- http://x2.c.lencr.org/
- http://ye.c.lencr.org/
- http://c.pki.goog/wr2/9UVbN0w5E6Y.crl
- http://yr.c.lencr.org/
Embedded domains
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 3.6.1.0
- 5.0.3.6
- 4.150.223.96
- 52.253.84.76
- 52.123.252.212
- 4.230.171.124
- 52.110.12.28
- 52.110.12.46
- 57.155.104.224
- 172.178.240.162
- 172.215.188.232
- 40.84.85.40
- 4.150.223.111
- 51.11.192.48
- 72.154.7.97
- 52.148.114.188
- 52.110.12.31
- 52.110.12.49
File paths
- C:\Programme\eMule
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report