MALICIOUS — Windows7ConfigSec.exe

MALICIOUS — Windows7ConfigSec.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (79/100), attributed to the ASPack family. 3 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 611c662a013dd45db702741076115fa324308a62c93fa95f2a4724cee8ec30a6
SHA-1: dff4dd2fe9010860cadd56e728d168a4e0b75747
MD5: 0cd332591f4fc8ab4b86da60e95f424e
imphash: 691f1193f16065947032ace3a2329e55
ssdeep: 768:esHKmM0qauedFQFtxTXKXAx6ZQgZO+uxe7DDO:eZmMyTcTXfxhgZkwO
TLSH: T1B52DD0E34001267FD5B8C47CAE852ACF107299A219F98EECD6CC041E12D9433997F2CA
Submitted as: Windows7ConfigSec.exe
File type: pe · Size: 27648 bytes
Verdict: malicious (79/100) · Family: ASPack

Detections (3 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.MPRESS1
YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
Detect It Easy (packer/type): DIE:MPRESS

MITRE ATT&CK

Why this verdict

The malicious score of 79/100 is the fusion of 7 weighted signals:

Contacted 2 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Detect It Easy (packer/type) flagged DIE:MPRESS (rule DIE:MPRESS) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-sections:.MPRESS1 (rule high-entropy-sections:.MPRESS1) - engine signal, weight 0.35, confidence 0.70
YARA: Yara-Rules community flagged YR_Packer_ASPack_MPRESS (rule YR_Packer_ASPack_MPRESS) - engine signal, weight 0.30, confidence 0.70
Packing/obfuscation: high-entropy-sections:.MPRESS1, MPRESS - static signal, weight 0.25, confidence 0.55
Dropped 1 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)

2468 behavior events · 1 ATT&CK techniques · 2 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\F1D2.tmp\Windows7ConfigSec.cmd - 674d2db8887fb9950741a4ce5962f034f10887278688e5b77127c806384ac47b
C:\Windows\security\logs\Diebold_SST-Win7.log - ef8089465269d8b259bc1b3468cb25b44898551d362ed6cba225fcdecd57a84c

Embedded URLs

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

Embedded IP addresses

4.150.223.115
52.110.12.4
52.110.12.1
4.230.171.124
40.84.97.4
74.179.77.204
135.232.92.97
20.247.184.197
104.208.16.94
162.159.142.9
104.18.33.89
52.110.12.10
52.110.12.33

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report