ScreenShot
| Created | 2021.07.06 15:58 | Machine | s1_win7_x6401 |
| Filename | OLKbrowser.exe | ||
| Type | PE32 executable (console) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 41 detected (Reline, malicious, high confidence, GenericKD, Save, Kryptik, ali2000016, ZemsilF, ym0@au8@90o, Eldorado, Attribute, HighConfidence, ABUD, Generickdz, PWSX, Static AI, Suspicious PE, ai score=83, PSWTroj, kcloud, score, R002H0CG521, qqpass, Qqrob, Paca, ABQA, GdSda, confidence, 100%, HwMAYLMA) | ||
| md5 | 424ce6df3e42cc5ff59d6e13baa138e9 | ||
| sha256 | 3cb974a37cf858d08db23fb8040602ecde83c5270667f634a694c635aaa5ea7b | ||
| ssdeep | 3072:s3Pz3upGhVsU+TyEex3PeLPLL2saq7C4ZJQeOHOqE8bNg35SX2TIJaNivX6lAb6I:K3upGhVsBhe42saq7C41tibKB | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (27cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 41 AntiVirus engines on VirusTotal as malicious |
| danger | Executed a process and injected code into it |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Code injection by writing an executable or DLL to the memory of another process |
| watch | Collects information about installed applications |
| 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 | Allocates read-write-execute memory (usually to unpack itself) |
| notice | Changes read-write memory protection to read-execute (probably to avoid detection when setting all RWX flags at the same time) |
| 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 | 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 | Queries for potentially installed applications |
| notice | Sends data using the HTTP POST Method |
| notice | Steals private information from local Internet browsers |
| notice | Uses Windows utilities for basic Windows functionality |
| 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 | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (15cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| 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 | Microsoft_Office_File_Zero | Microsoft Office File | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | Virtual_currency_Zero | Virtual currency | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (17cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
SURICATA HTTP unable to match response to request
SURICATA HTTP unable to match response to request
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