ScreenShot
| Created | 2021.05.14 09:45 | Machine | s1_win7_x6402 |
| Filename | obf.exe | ||
| Type | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows | ||
| AI Score |
|
Behavior Score |
|
| ZERO API | file : clean | ||
| VT API (file) | 22 detected (malicious, high confidence, Artemis, Unsafe, Save, Attribute, HighConfidence, FileRepMetagen, BitCoinMiner, Dzka, IObit Unlocker, Static AI, Malicious PE, Wacatac, CLOUD, ZemsilF, gm0@aarbPWki, confidence) | ||
| md5 | 14d054adca6f90371a4ce13a720dafbf | ||
| sha256 | f4b0e3c9b86e9f59a02eeac80af70f97963b4bc1b568e385f26f6e0f7e34058f | ||
| ssdeep | 1536:7egwa2PiOZhfDZee4j9V6++LmngUs9oDUt6BfbjYpSUYNAxHMYiKZ8:qa2Pf7fdR3+DngUjQtonejxBZ8 | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (24cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| warning | File has been identified by 22 AntiVirus engines on VirusTotal as malicious |
| watch | Allocates execute permission to another process indicative of possible code injection |
| watch | Communicates with host for which no DNS query was performed |
| watch | Manipulates memory of a non-child process indicative of process injection |
| 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 | 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 | Creates executable files on the filesystem |
| notice | Drops a binary and executes it |
| notice | Drops an executable to the user AppData folder |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| 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 | Yara rule detected in process memory |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | This executable has a PDB path |
Rules (15cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| 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 (download) |
| info | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | SEH__vba | (no description) | memory |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Suricata ids
ET INFO Executable Download from dotted-quad Host
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
ET POLICY PE EXE or DLL Windows file download HTTP
ET INFO Executable Retrieved With Minimal HTTP Headers - Potential Second Stage Download
ET HUNTING SUSPICIOUS Dotted Quad Host MZ Response
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