MALICIOUS — f83224c2c0ae50140ddf21924d613270efe74e70d907b2a1ba7c092d01d066c1

MALICIOUS — f83224c2c0ae50140ddf21924d613270efe74e70d907b2a1ba7c092d01d066c1 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the AB9A06E4 family. 6 of 56 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: f83224c2c0ae50140ddf21924d613270efe74e70d907b2a1ba7c092d01d066c1
• SHA-1: c674144cfec463a58713c0a304da852299ba17bb
• MD5: dd4787e76c0f535ca14134816ab6ce95
• imphash: 532816589b7c9c3bed0fbcc3d1503ba1
• ssdeep: 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B84pjBFykkgn6:o68i3odBiTl2+TCU/HDk86
• TLSH: T112427D7D0F2B7B02C637CA541D049F8F0022B49AA17D94884B53947DA3FFC67AA4529E
• Submitted as: f83224c2c0ae50140ddf21924d613270efe74e70d907b2a1ba7c092d01d066c1
• File type: pe · Size: 203373 bytes
• Verdict: malicious (100/100) · Family: AB9A06E4

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

• T1547.001
• T1112
• T1105

Why this verdict

The malicious score of 100/100 is the fusion of 15 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
• 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 1 external host(s) and 16 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
• 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
• Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

14112 behavior events · 2 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
• 76.0.240.10.in-addr.arpa.
• 251.0.0.224.in-addr.arpa.
• d.1.d.1.c.4.2.1.4.9.5.2.6.e.8.b.0.0.0.0.0.0.0.0.0.0.0.0.0.8.e.f.ip6.arpa.
• 1.0.240.10.in-addr.arpa.
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
• ctldl.windowsupdate.com
• update.googleapis.com
• desktop-hsgcbep
• login.live.com
• v20.events.data.microsoft.com
• config.edge.skype.com

Dropped files

• C:\Windows\SHARE_TEMP\Icon12.ico - 67bc1cd876f5059789b0dc8dc16c0b2155e55aca8d1c8439d70c8882e1875740
• C:\BalROK.HTML - 3959c5532031a58119c317dda15ac9313505df4a92c004cd2e76b071b0fad4a4
• C:\Windows\SHARE_TEMP\Icon6.ico - 0df5c718b7aee9f045f804f6a53cb0727f66e1ac1df612c6ecf342aed81ce130
• C:\Windows\SHARE_TEMP\Icon2.ico - 00a339ff5338d0cfe91b262175eef4e5fd07f9d28e8f980a1f5ff43a5a81e597
• C:\Windows\bugMAKER.bat - 69c683e62e24cd04c317f181783696957f5e2860bea1a95772ab57d3ba589cb0
• 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\winhash_up.exe - 46da961703625c904ffbdfc69e1a5ec73aed74fd6e1bbc0533a202d03ffb8ea0
• 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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788188766&P2=404&P3=2&P4=WDzDopcmbzWWX1Ab%2fYinnAulHQy6cwdPU9Zd%2faks3hCdYyHDCyoOdU4OgfNeUwhVBzAE90a1Mmy4G1PWuNSaBQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
• 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
• 4.207.44.69
• 4.230.171.124
• 57.155.104.224
• 52.230.60.54
• 135.233.95.144
• 135.232.92.97
• 40.79.141.152
• 74.179.77.204
• 51.105.71.137
• 172.64.154.167
• 203.26.79.13
• 20.165.94.46
• 125.56.205.42
• 125.56.205.51
• 72.153.5.137
• 52.110.12.15
• 52.110.12.11
• 52.148.114.188

File paths

• C:\Programme\eMule

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report