MALICIOUS — 3fe4e4f290153dfc43f039e1b2d4b8aed11547256300b849f5301584cab38394

MALICIOUS — 3fe4e4f290153dfc43f039e1b2d4b8aed11547256300b849f5301584cab38394 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Chinky family. 4 of 56 detection engines flagged it, exhibiting 5 ATT&CK techniques.

Identification

SHA-256: 3fe4e4f290153dfc43f039e1b2d4b8aed11547256300b849f5301584cab38394
SHA-1: 6864e2ba4924f998c9798d55a8ad99d01737dcd7
MD5: f7b39b2c9aa2c4225998667f7a62ec83
imphash: 6a24b40325db5d0d187ce51729c21de7
ssdeep: 768:0hX0mpnB67+pX0RSUr6+9A/v/bVlbdfs3OfKDHGIHY56W:0hX04pkRSUr6y43wY56W
TLSH: T1473D403B0A65D898C4B6FAB35D0E1F8C18CE26009A5E142D16FBCA5D47C5BF3812675C
Submitted as: 3fe4e4f290153dfc43f039e1b2d4b8aed11547256300b849f5301584cab38394
File type: pe · Size: 131072 bytes
Verdict: malicious (100/100) · Family: Chinky

Detections (4 of 56 engines)

ClamAV (daily): Win.Dropper.Agent-36328
Microsoft Defender: Worm:Win32/Vobfus.F
Emsisoft (Emergency Kit): Gen:Trojan.Chinky.2
Kaspersky (KVRT): Trojan.Win32.VB.bbhv

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 13 weighted signals:

ClamAV (daily) flagged Win.Dropper.Agent-36328 (rule Win.Dropper.Agent-36328) - 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/Vobfus.F (rule Worm:Win32/Vobfus.F) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.Chinky.2 (rule Gen:Trojan.Chinky.2) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan.Win32.VB.bbhv (rule Trojan.Win32.VB.bbhv) - engine signal, weight 0.55, confidence 0.85
Observed at runtime: Registry Run Key Persistence (T1547.001) (rule Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90
Observed at runtime: Windows Service (T1543.003) (rule Windows Service) - dynamic signal, weight 0.40, confidence 0.90
Contacted 1 external host(s) and 17 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
enumerate processes (rule enumerate processes) - capa signal, weight 0.20, confidence 0.60
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
Memory forensics: 3 finding(s) elsewhere in the guest, not attributed to this sample, e.g. process hidden from a listing (rule windows.psxview.PsXView) - memory signal, weight 0.05, confidence 0.30

Dynamic analysis (windows)

57363 behavior events · 3 ATT&CK techniques · 5 dropped files.

Dropped files

C:\Users\analyst\diefioj.exe - a18046e35461b1f97851903cc564ade84f5bf095ce9de7ab34f0210f6f466a41
fae17c6fa935d77924dd40a357aa8c012a5b5fc888f699fdf3efc076de50511b - fae17c6fa935d77924dd40a357aa8c012a5b5fc888f699fdf3efc076de50511b
da6ab3717b6fdfef35366de0141536d7a80ecb3a3ca0402769cdb095af8e49f7 - da6ab3717b6fdfef35366de0141536d7a80ecb3a3ca0402769cdb095af8e49f7
1041cc0f8f554cde757edaa748ea21ef1e7e9e1134d113352ddc22735f73f082 - 1041cc0f8f554cde757edaa748ea21ef1e7e9e1134d113352ddc22735f73f082
5828a06776935e8e81238028c75aa617e991470763659f19c02333dc88acc4a4 - 5828a06776935e8e81238028c75aa617e991470763659f19c02333dc88acc4a4

Embedded URLs

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

ns1.theimageparlour.net
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

52.168.117.168
20.247.185.124
52.123.252.215
4.230.171.124
52.110.12.1
52.110.12.3
172.178.240.163
85.210.193.152
40.84.85.40
20.42.73.27
20.42.65.84
52.148.114.188
72.145.35.98

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report