MALICIOUS — 597ed32a1d793f930030008f7d6b11191c98649de98d602e1439e91845b9490a

MALICIOUS — 597ed32a1d793f930030008f7d6b11191c98649de98d602e1439e91845b9490a 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: 597ed32a1d793f930030008f7d6b11191c98649de98d602e1439e91845b9490a
SHA-1: 2c87bc608d9adee8c68afbc169ab502caf44e953
MD5: d8837c80fa9d0fb08c3f97a44bbb8cc9
imphash: 532816589b7c9c3bed0fbcc3d1503ba1
ssdeep: 3072:/cT9g8immW6Pozkk2eKs/CSr2nQ/E2S5ny+bF2u1I+ddDK7Hlq/B8wkgnY2h1th6:o68i3odBiTl2+TCU/Nk8f1thznQC4h5
TLSH: T1ED447C2D4F177702D233CA541D449F9F0022B8A9A17995CC0753D0ADA3FBCE7BA8529A
Submitted as: 597ed32a1d793f930030008f7d6b11191c98649de98d602e1439e91845b9490a
File type: pe · Size: 257756 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

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
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 18 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
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)

10532 behavior events · 2 ATT&CK techniques · 11 dropped files.

Dropped files

C:\Windows\SHARE_TEMP\Icon12.ico - 67bc1cd876f5059789b0dc8dc16c0b2155e55aca8d1c8439d70c8882e1875740
C:\Windows\bugMAKER.bat - 37ba488d3acf1a3c7d0476633b7039f4b7c34b0779d6893807a00cf2335fec5c
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\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
C:\Windows\winhash_up.exe - 866942e51803ea2c6d6d5b8ad5c48a6f56abf797ed2c35e3e4e6d7bd70008cae

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=1788152775&P2=404&P3=2&P4=NEPCQwa37EDtrXMQoDxl%2bqW3PBfZHWoyOIa3hDozKHfpux6nHZ4CU7MXluZR6h57WlQ6Dy9igp3XEEYiySkAYQ%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
20.42.73.26
52.123.252.232
4.230.171.124
85.210.193.152
172.64.154.167
40.79.167.9
74.178.240.61
52.230.60.54
74.179.77.164
74.178.76.128
20.184.175.18
13.69.116.108
203.26.79.13
135.232.92.34
92.223.78.30
72.153.5.131
52.148.114.188
20.42.179.204
52.110.12.10
52.110.12.50

File paths

C:\Programme\eMule

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report