MALICIOUS — cb8f33fbe8f0d022f3d9e30dbebc7b2d89b3ddca3962955321d76fba02ec31cb

MALICIOUS — cb8f33fbe8f0d022f3d9e30dbebc7b2d89b3ddca3962955321d76fba02ec31cb is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the C83B492E family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

SHA-256: cb8f33fbe8f0d022f3d9e30dbebc7b2d89b3ddca3962955321d76fba02ec31cb
SHA-1: 7ec98f6dd713c4cecd3c4aa43294f4930dcc90ef
MD5: a9eaf6966df4bcf20e5f025d3a6b4319
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 24576:N2oo60HPdt+1CRiY2eOBvcj3u10dRRNfvggLEKjD/j2Gh5FA4zSDxWJXwrgkFvkd:Qoa1taC070dRTAXKvxF0xxFqu0P
TLSH: T1B75A238A5755670CE6F2C4842D2D166EC882E0F7A3782A8E528FF05E73DBD17781016B
Submitted as: cb8f33fbe8f0d022f3d9e30dbebc7b2d89b3ddca3962955321d76fba02ec31cb
File type: pe · Size: 1958400 bytes
Verdict: malicious (99/100) · Family: C83B492E

Detections (4 of 56 engines)

ClamAV (daily): Win.Malware.Zusy-9764479-0
Microsoft Defender: Trojan:Win32/Salgorea!pz
Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs

MITRE ATT&CK

T1543.003

Why this verdict

The malicious score of 99/100 is the fusion of 8 weighted signals:

ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Salgorea!pz (rule Trojan:Win32/Salgorea!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Dump:Generic.Dacic.17983.C83B492E (rule Dump:Generic.Dacic.17983.C83B492E) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan.Win32.Bingoml.ckfs (rule Trojan.Win32.Bingoml.ckfs) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
1 behavioral detection(s) across 1 rule(s): Windows Service Installation [medium] (rule tl-service-install) - dynamic signal, weight 0.40, confidence 0.90
Contacted 1 external host(s) and 16 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
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)

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

Dropped files

C:\Users\analyst\AppData\Local\Temp\631A.tmp - 61ac4151cd8da5b79eef639bb69dc30b936d894f7de5d54089bd3dae3f1dabfb
f26e719af650cef6cbce90e7755019f78d13ab90cace44edbe9b98447909b12f - f26e719af650cef6cbce90e7755019f78d13ab90cace44edbe9b98447909b12f

Embedded URLs

http://schemas.microsoft.com/SMI/2005/WindowsSettings
http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
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

schemas.microsoft.com
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

52.168.117.174
52.123.252.197
4.230.171.124
20.165.94.63
172.215.188.225
74.178.76.54
20.184.175.11
4.144.132.114
52.182.141.63
172.64.154.167
85.210.193.152
52.110.12.20
72.154.7.107
52.148.114.188
52.110.12.1

File paths

z:\(L

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report