MALICIOUS — c31b624f529204e03bbf2d916a567766d10f6f8bf112f3c426eefb2c7b6d552a

MALICIOUS — c31b624f529204e03bbf2d916a567766d10f6f8bf112f3c426eefb2c7b6d552a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Urelas family. 8 of 56 detection engines flagged it.

Identification

SHA-256: c31b624f529204e03bbf2d916a567766d10f6f8bf112f3c426eefb2c7b6d552a
SHA-1: e3ef98caf425edd4bf08771b1cb1bf53ea04c62c
MD5: 99eb4e261b31585750047d0a736fd70c
imphash: ac99a5a6590e07f40380584be971cd01
ssdeep: 12288:RIbnq5ORFftIiB6gBFvST9kFO14SFoktWEY+ucXz+J6nJELcUmQ+7N:RIbq0ft8gLvoko1hmkQ5cXzyvL/k
TLSH: T15E4B239A153A015BD145B09C36029B3FC39873A583FD9BCC3A632D832257963C97E563
Submitted as: c31b624f529204e03bbf2d916a567766d10f6f8bf112f3c426eefb2c7b6d552a
File type: pe · Size: 480429 bytes
Verdict: malicious (100/100) · Family: Urelas

Detections (8 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.MPRESS1
ClamAV (daily): Win.Trojan.Agent-1132946
YARA: Yara-Rules community: YR_Packer_ASPack_MPRESS
Detect It Easy (packer/type): DIE:Borland Delphi
Microsoft Defender: Trojan:Win32/Urelas.HNS!MTB
Emsisoft (Emergency Kit): Gen:Trojan.Heur.Dmrar9EqNypGy
Trellix Stinger (McAfee): Obfuscated-FQZ!hb
Kaspersky (KVRT): HEUR:Trojan.Win32.Urelas.a

Why this verdict

The malicious score of 100/100 is the fusion of 12 weighted signals:

ClamAV (daily) flagged Win.Trojan.Agent-1132946 (rule Win.Trojan.Agent-1132946) - engine signal, weight 0.90, confidence 0.95
Memory forensics: 1 finding(s) attributed to the sample across 1 technique(s), e.g. RWX/private injected region in tsk_308fb8d837 (pid 8844) (rule windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
Microsoft Defender flagged Trojan:Win32/Urelas.HNS!MTB (rule Trojan:Win32/Urelas.HNS!MTB) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Trojan.Heur.Dmrar9EqNypGy (rule Gen:Trojan.Heur.Dmrar9EqNypGy) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Obfuscated-FQZ!hb (rule Obfuscated-FQZ!hb) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged HEUR:Trojan.Win32.Urelas.a (rule HEUR:Trojan.Win32.Urelas.a) - engine signal, weight 0.55, confidence 0.85
Contacted 17 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Detect It Easy (packer/type) flagged DIE:Borland Delphi (rule DIE:Borland Delphi) - 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, Borland Delphi - static signal, weight 0.25, confidence 0.55
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)

8159 behavior events · 0 ATT&CK techniques · 0 dropped files.

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

s.ai
x1.c.lencr.org
x2.c.lencr.org
ye.c.lencr.org
yr.c.lencr.org

Embedded IP addresses

4.207.44.66
172.215.188.232
52.123.252.226
4.144.132.223
57.155.104.224
4.230.171.124
20.165.94.54
20.184.175.23
74.179.77.204
20.42.73.24
172.64.154.167
20.165.94.63
20.42.65.94
72.154.7.102
52.148.114.188
52.110.12.44
52.110.12.21

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report