ScreenShot
| Created | 2021.06.30 10:20 | Machine | s1_win7_x6401 |
| Filename | obi1.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : clean | ||
| VT API (file) | 38 detected (malicious, high confidence, MSILHeracles, Generic PWS, Unsafe, Kryptik, ali2000016, confidence, Eldorado, Attribute, HighConfidence, ABRY, PWSX, Agensla, qqpass, Qqrob, Pcsr, R002C0WFT21, Artemis, Static AI, Malicious PE, PSWTroj, kcloud, Wacatac, score, R428414, ZemsilF, 8m0@aagOdhf, ai score=100, MachineLearning, Anomalous, GdSda, AgentTesla, HgIASXcA) | ||
| md5 | 43a524a3213879698691d619cc4f5d27 | ||
| sha256 | 43b482ed9c25983fb5b1681d25315e57e12c4268f003ee57145f33059541cf8b | ||
| ssdeep | 6144:hqAx6p14t4OuqDum0I9s9gi/YMwO6WIRpdKY6OS:fMwOARh6O | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (31cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| danger | File has been identified by 38 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Attempts to identify installed AV products by installation directory |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Creates a windows hook that monitors keyboard input (keylogger) |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Harvests information related to installed instant messenger clients |
| watch | One or more of the buffers contains an embedded PE file |
| watch | Potential code injection by writing to the memory of another process |
| watch | Resumed a suspended thread in a remote process potentially indicative of process injection |
| watch | Used NtSetContextThread to modify a thread in a remote process indicative of process injection |
| notice | A process attempted to delay the analysis task. |
| notice | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Checks adapter addresses which can be used to detect virtual network interfaces |
| notice | Checks for the Locally Unique Identifier on the system for a suspicious privilege |
| notice | Checks whether any human activity is being performed by constantly checking whether the foreground window changed |
| notice | Connects to a Dynamic DNS Domain |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | Looks up the external IP address |
| notice | One or more potentially interesting buffers were extracted |
| notice | Performs some HTTP requests |
| notice | Potentially malicious URLs were found in the process memory dump |
| notice | Steals private information from local Internet browsers |
| notice | Yara rule detected in process memory |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | One or more processes crashed |
| info | Queries for the computername |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (17cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| notice | KeyLogger | Run a KeyLogger | memory |
| notice | Network_SMTP_dotNet | Communications smtp | memory |
| info | anti_dbg | Checks if being debugged | memory |
| info | DebuggerCheck__GlobalFlags | (no description) | memory |
| info | DebuggerCheck__QueryInfo | (no description) | memory |
| info | DebuggerHiding__Active | (no description) | memory |
| info | DebuggerHiding__Thread | (no description) | memory |
| info | disable_dep | Bypass DEP | memory |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (6cnts) ?
Suricata ids
ET INFO DYNAMIC_DNS Query to *.dyndns. Domain
ET POLICY External IP Lookup - checkip.dyndns.org
ET POLICY DynDNS CheckIp External IP Address Server Response
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET POLICY External IP Lookup - checkip.dyndns.org
ET POLICY DynDNS CheckIp External IP Address Server Response
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
PE API
IAT(Import Address Table) Library
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x402000 _CorExeMain
EAT(Export Address Table) is none