MALICIOUS — 56161bc769a26a57a9825c8bdd5526424a1085fc93a3e816bddd2cf818428ec8

MALICIOUS — 56161bc769a26a57a9825c8bdd5526424a1085fc93a3e816bddd2cf818428ec8 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Vtflooder family. 8 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

SHA-256: 56161bc769a26a57a9825c8bdd5526424a1085fc93a3e816bddd2cf818428ec8
SHA-1: b8fedce7e3a51b5be9eea3762a23d2c43549a5e6
MD5: 62c21c4f6337539f628dfd346f7d8df5
imphash: 8c9bb9d690553503983713582e1e58f7
ssdeep: 96:vvl10GxW2FjJYPmVI+tTpMbCJBnXgFq3cx1U0zqukU:vvl10GPdYPmVI+tTpXXXcEukU
TLSH: T1041B3B12EF72445CD9CB455D2A4D83AE96E0883E04604EA02432903B557C63FAFF7108
Submitted as: 56161bc769a26a57a9825c8bdd5526424a1085fc93a3e816bddd2cf818428ec8
File type: pe · Size: 5120 bytes
Verdict: malicious (100/100) · Family: Vtflooder

Detections (8 of 56 engines)

MalwareAnalyser heuristics (entropy/packer): UPX
ClamAV (daily): Win.Malware.Vtflooder-6722904-1
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Detect It Easy (packer/type): DIE:Microsoft Linker
Microsoft Defender: Trojan:Win32/Vflooder!pz
Emsisoft (Emergency Kit): Gen:Variant.Razy.482569
Trellix Stinger (McAfee): Generic-FAVK!62C21C4F6337
Kaspersky (KVRT): Trojan.Win32.Vtflooder.cft

MITRE ATT&CK

Why this verdict

The malicious score of 100/100 is the fusion of 14 weighted signals:

ClamAV (daily) flagged Win.Malware.Vtflooder-6722904-1 (rule Win.Malware.Vtflooder-6722904-1) - engine signal, weight 0.90, confidence 0.95
Microsoft Defender flagged Trojan:Win32/Vflooder!pz (rule Trojan:Win32/Vflooder!pz) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Gen:Variant.Razy.482569 (rule Gen:Variant.Razy.482569) - engine signal, weight 0.55, confidence 0.85
Trellix Stinger (McAfee) flagged Generic-FAVK!62C21C4F6337 (rule Generic-FAVK!62C21C4F6337) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Trojan.Win32.Vtflooder.cft (rule Trojan.Win32.Vtflooder.cft) - engine signal, weight 0.55, confidence 0.85
YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70
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 2 external host(s) and 7 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1082 - dynamic signal, weight 0.40, confidence 0.75
Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged UPX (rule UPX) - engine signal, weight 0.35, confidence 0.70
Packing/obfuscation: UPX, high-entropy-sections:UPX1, Microsoft Linker - static signal, weight 0.25, confidence 0.55
Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90

Dynamic analysis (windows)

18895 behavior events · 2 ATT&CK techniques · 1 dropped files.

Dropped files

2ef3b043946e561c8d2132e461636a50ca6972a344a021adc13863c4f3065fb6 - 2ef3b043946e561c8d2132e461636a50ca6972a344a021adc13863c4f3065fb6

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://www.virustotal.com/vtapi/v2/file/scan
http://twitter.com/pidoras6

Embedded domains

er.co
www.virustotal.com

Embedded IP addresses

52.168.117.175
20.247.185.124
4.230.171.124
172.64.154.167
34.54.88.138
57.155.104.224
52.148.114.188
72.153.5.134
52.110.12.4
52.110.12.18
162.159.140.229

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report