MALICIOUS — a4bb1a9b448f46a586c02db221c8a90f2a028da109a811954173fbd145c40ecf

MALICIOUS — a4bb1a9b448f46a586c02db221c8a90f2a028da109a811954173fbd145c40ecf is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Salgorea family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: a4bb1a9b448f46a586c02db221c8a90f2a028da109a811954173fbd145c40ecf
SHA-1: 4dbf375776c15a884b81f14b5e46773ae372d056
MD5: b293e7506ec586228fa896b80e01966b
imphash: 95122753ea27818b35f9b51859e4c692
ssdeep: 49152:OFUcx88PWPOpX0SFZiHTHffyE83B9wwxjCH4DRMbyGc:O+K88uPCHSHTHfoBG2jD8yGc
TLSH: T10C5A23C589199B4DE3F2D490282966BE8481F8D247BC188B928FF02D77EB52774311DB
Submitted as: a4bb1a9b448f46a586c02db221c8a90f2a028da109a811954173fbd145c40ecf
File type: pe · Size: 2089472 bytes
Verdict: malicious (100/100) · Family: Salgorea

Detections (4 of 56 engines)

ClamAV (daily): Win.Malware.Zusy-9764479-0
Microsoft Defender: Trojan:Win32/Salgorea!pz
Emsisoft (Emergency Kit): Trojan.GenericKDZ.110085
Kaspersky (KVRT): Backdoor.Win32.Salgorea.ie

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 10 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 Trojan.GenericKDZ.110085 (rule Trojan.GenericKDZ.110085) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Backdoor.Win32.Salgorea.ie (rule Backdoor.Win32.Salgorea.ie) - 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 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
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
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)

12346 behavior events · 2 ATT&CK techniques · 3 dropped files.

Dropped files

C:\Users\analyst\AppData\Local\Temp\2CA8.tmp - 95ef571bddf374a6d676dd7c2799847f94bde046a0dfe528444e42b20b172b3d
c:\users\analyst\appdata\local\temp\tsk_a24f6cd9e9d14501.docx - f0c1b360c0b24b5450a79138650e6ee254afae6ce8f6c68da7d1f32f91582680
66c1044a0430eb1049f1550d1056d9f194ed9f5c281c1bbcd2f10411c2a18e7f - 66c1044a0430eb1049f1550d1056d9f194ed9f5c281c1bbcd2f10411c2a18e7f

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

20.42.179.204
51.132.193.104
52.253.84.76
135.232.92.97
52.168.112.66
4.230.171.124
74.178.240.61
52.182.143.212
135.233.45.221
92.223.78.30
52.148.114.188
72.153.5.136
52.110.12.48
52.110.12.14

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report