MALICIOUS — f428d4b689ac95dcd2872c008340cbb3487acfe4f010e072279fb8a7e82cb9ea

MALICIOUS — f428d4b689ac95dcd2872c008340cbb3487acfe4f010e072279fb8a7e82cb9ea is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Autoit family. 10 of 56 detection engines flagged it, exhibiting 8 ATT&CK techniques.

Identification

SHA-256: f428d4b689ac95dcd2872c008340cbb3487acfe4f010e072279fb8a7e82cb9ea
SHA-1: 4abf6d2db282fa15c379e752a7c61c0ab253db17
MD5: fed704f82c0780c7f7dee82aebe79d5d
imphash: ff73cbb95eb8607eae2c197dd20eaf32
ssdeep: 12288:UnRFtj2zJfUbLXEftfLtA8RKO1WHVaTYe70f:CRFtj2dfU3XEFrR41+Ye4f
TLSH: T1754ABE8D41269F63F0AE89908C8BCDCFD476F8F921FE29D80B97406E96CE4D7A451064
Submitted as: f428d4b689ac95dcd2872c008340cbb3487acfe4f010e072279fb8a7e82cb9ea
File type: pe · Size: 432128 bytes
Verdict: malicious (100/100) · Family: Autoit

Detections (10 of 56 engines)

YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
capa (capabilities): capability:collection/keylog
MalwareAnalyser heuristics (entropy/packer): Microsoft Linker
ClamAV (daily): Win.Trojan.Autoit-67
YARA: delivr.to detections: DLV_Maldoc_VBA_AutoExec
YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
Detect It Easy (packer/type): DIE:Microsoft Linker
Microsoft Defender: Worm:Win32/Nuqel.AJ
Emsisoft (Emergency Kit): Dropped:Win32.Worm.Autoit.O
Kaspersky (KVRT): Worm.Win32.AutoIt.i

MITRE ATT&CK

YARA

Windows_Injection_Api_Combo

Why this verdict

The malicious score of 100/100 is the fusion of 22 weighted signals:

ClamAV (daily) flagged Win.Trojan.Autoit-67 (rule Win.Trojan.Autoit-67) - engine signal, weight 0.90, confidence 0.95
3 behavioral detection(s) across 3 rule(s): Registry Run Key Persistence [high] (rule tl-run-key) - dynamic signal, weight 0.66, confidence 0.90
Process injection API combination (rule Windows_Injection_Api_Combo) - yara signal, weight 0.65, confidence 0.90
YARA: delivr.to detections flagged DLV_Maldoc_VBA_AutoExec (rule DLV_Maldoc_VBA_AutoExec) - engine signal, weight 0.70, confidence 0.70
Microsoft Defender flagged Worm:Win32/Nuqel.AJ (rule Worm:Win32/Nuqel.AJ) - engine signal, weight 0.55, confidence 0.85
Emsisoft (Emergency Kit) flagged Dropped:Win32.Worm.Autoit.O (rule Dropped:Win32.Worm.Autoit.O) - engine signal, weight 0.55, confidence 0.85
Kaspersky (KVRT) flagged Worm.Win32.AutoIt.i (rule Worm.Win32.AutoIt.i) - 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: 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
capture keystrokes (rule capture keystrokes) - capa signal, weight 0.40, confidence 0.80
Contacted 1 external host(s) and 6 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
Anti-analysis: T1497.001 - 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
YARA: MalwareAnalyser built-in flagged Windows_Injection_Api_Combo (rule Windows_Injection_Api_Combo) - engine signal, weight 0.35, confidence 0.70
capa (capabilities) flagged capability:collection/keylog (rule capability:collection/keylog) - engine signal, weight 0.35, confidence 0.70
MalwareAnalyser heuristics (entropy/packer) flagged Microsoft Linker (rule Microsoft Linker) - engine signal, weight 0.35, confidence 0.70
communicate over HTTP (rule communicate over HTTP) - capa signal, weight 0.30, confidence 0.60
Packing/obfuscation: Microsoft Linker - static signal, weight 0.25, confidence 0.55
enumerate processes (rule enumerate processes) - capa 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: 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)

2910 behavior events · 3 ATT&CK techniques · 1 dropped files.

Dropped files

C:\Windows\autorun.inf - c72b759e8110544875a25614623bd2b55f11f7dcb1e127b0f7b549ec68582322

Embedded URLs

http://www.msftconnecttest.com/connecttest.txt
http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
http://rb.symcb.com/rb.crl
http://ppt.th.gs/web-p/pt/file/bad1.exe

Embedded domains

ppt.th.gs

Embedded IP addresses

52.168.117.171
57.154.63.210
4.230.171.124
40.84.97.4
135.232.92.97
20.247.185.124
4.150.223.102
135.232.92.137
20.184.175.16
104.18.33.89
52.230.59.222
85.210.193.152
76.223.54.146
135.234.160.245
52.110.12.31
52.110.12.52

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report