MALICIOUS — a6d6db5ec46323497ef54a1fe86febdeda6519247138fa0e84c9518a6f82cdda

MALICIOUS — a6d6db5ec46323497ef54a1fe86febdeda6519247138fa0e84c9518a6f82cdda is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the AB9A06E4 family. 6 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: a6d6db5ec46323497ef54a1fe86febdeda6519247138fa0e84c9518a6f82cdda
SHA-1: 3a3888d50286140e99ac16678172eca352746e18
MD5: 572a1535f0012cc7b1a7d7e0913da0cb
imphash: 532816589b7c9c3bed0fbcc3d1503ba1
ssdeep: 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8rpjBQ:o68i3odBiTl2+TCU/kO
TLSH: T1EA417D7D0F277B03D636CA644E045E8F4022B89AA23D54495B53947DA3FFC67AA4028E
Submitted as: a6d6db5ec46323497ef54a1fe86febdeda6519247138fa0e84c9518a6f82cdda
File type: pe · Size: 181754 bytes
Verdict: malicious (100/100) · Family: AB9A06E4

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 11 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
Memory forensics: 2 finding(s), e.g. SSDT hook (rule windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85
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
Contacted 20 external host(s) at runtime (16 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
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
Extracted generic config (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

448 behavior events · 1 ATT&CK techniques · 11 dropped files.

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\SHARE_TEMP\Icon7.ico - 71acc5a88debfdba0eed23272ef4b09fd6609eeb4b1ec457c72444472ad8b3a4
C:\Windows\winhash_up.exe - 7db7655f042e25eb5d5bd359220a621cd375bcf5afa0ba70cfa72af3fcb31e5c
C:\Windows\SHARE_TEMP\Icon3.ico - d2770f68db717c5335ceca3f2b0be1e294839a4904d3525f4c5e9847654d39c2
C:\Windows\bugMAKER.bat - 658ce3751e0e36a4eb8673af2acc9edf4ceb6f86aa41aa501c9a56858317fca5
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://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=1787791259&P2=404&P3=2&P4=VmfN6Nwm%2fSt5rpaaueCZ4aYsmCzFZF67Ltwx2prV79e3%2bXQgbvO5dzZUB%2fAIcIRzztnppx2Pc01kVEaXsQ0sKg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded IP addresses

3.6.1.0
5.0.3.6
20.42.65.84
52.123.252.241
20.42.179.192
4.230.171.124
52.230.60.54
135.233.95.144
74.178.240.51
52.138.229.67
20.165.94.63
20.231.239.246
52.123.128.14
52.123.129.14
172.178.240.162
52.123.252.222
203.26.79.13
72.145.35.109
135.232.92.34
52.148.114.188
52.110.12.16
52.110.12.2

File paths

C:\Programme\eMule

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report