MALICIOUS — c26b5991c2e3ef5a58c905705fabc55b38dc1593dcc4636e8567fffcb66e9858

MALICIOUS — c26b5991c2e3ef5a58c905705fabc55b38dc1593dcc4636e8567fffcb66e9858 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Shipup family. 6 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: c26b5991c2e3ef5a58c905705fabc55b38dc1593dcc4636e8567fffcb66e9858
SHA-1: a4e57b41e002db79b77c968374ebf360bc7c2144
MD5: edb5a2a5828e67cba946476e78e8bc87
imphash: c3c2b4ccfef5b46f908b991e2cd862b7
ssdeep: 6144:0usoJjQRfvJVdgzkx5g76/2AwqzcqR0Mekp8Pl6yzh0H0xH9a:XsoJQRfxVqQxG782AwY3yvRh0UxH9a
TLSH: T1A446BD9AE485E88ADAC081ED1C1641DFC1426CA29DF4768132D0BC254F2F693BFE91F5
Submitted as: c26b5991c2e3ef5a58c905705fabc55b38dc1593dcc4636e8567fffcb66e9858
File type: pe · Size: 303894 bytes
Verdict: malicious (100/100) · Family: Shipup

Detections (6 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
ClamAV (daily): Win.Trojan.Shipup-358
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Microsoft Defender: Trojan:Win32/CryptRan!pz
Emsisoft (Emergency Kit): Gen:Variant.Cerbu.53259
Kaspersky (KVRT): HEUR:Trojan.Win32.Generic

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 10 weighted signals:

ClamAV (daily) flagged Win.Trojan.Shipup-358 (rule Win.Trojan.Shipup-358) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/CryptRan!pz (rule Trojan:Win32/CryptRan!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Variant.Cerbu.53259 (rule Gen:Variant.Cerbu.53259) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Generic (rule HEUR:Trojan.Win32.Generic) - 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
Contacted 1 external host(s) and 4 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.text (rule high-entropy-sections:.text) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
Dropped 2 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

2522 behavior events · 1 ATT&CK techniques · 6 dropped files.

Dropped files

C:\ProgramData\Mozilla\lorbpxk.exe - f9d3663b54c461a46c9ce21cc63d3cf77856ff0eb9230204184d8c2fa108fc2a
C:\ProgramData\Mozilla\rvmdefk.dll - eaa798d73017ba019ee56940e3b1b76ddb29a8f602c50876cb60b61dfe2b73bf
84ff8a83eca391aa614761a01c4d419f6a8c97f63a8ca6ed2469a4abe99dba84 - 84ff8a83eca391aa614761a01c4d419f6a8c97f63a8ca6ed2469a4abe99dba84
17cdde91645d850d2fb5a19d001b4b7a173a1d723c0d7254830511984aeef248 - 17cdde91645d850d2fb5a19d001b4b7a173a1d723c0d7254830511984aeef248
f3eb50d71fdb47eaaac04117d37ac7adc9f7a386f091ff6097d1ccadac807276 - f3eb50d71fdb47eaaac04117d37ac7adc9f7a386f091ff6097d1ccadac807276
7dc0449d2cadd274f6113a26a8075cc44aa6672df60aa60d3d4cd5aebcd0974a - 7dc0449d2cadd274f6113a26a8075cc44aa6672df60aa60d3d4cd5aebcd0974a

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl

Embedded IP addresses

40.79.197.34
4.144.132.223
4.230.171.124
57.155.101.212
74.178.76.54
20.42.73.24
135.232.92.137
92.223.78.30
52.110.12.24
52.110.12.14
52.110.12.45
52.148.114.188
72.153.5.134

File paths

V:\:b:h:n:t:z:
N:\Kq

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report