ScreenShot
| Created | 2021.09.19 10:49 | Machine | s1_win7_x6401 |
| Filename | Stub.exe | ||
| Type | PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows | ||
| AI Score |
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Behavior Score |
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| ZERO API | file : malware | ||
| VT API (file) | 36 detected (Bingoml, malicious, high confidence, GenericKD, YakbeexMSIL, Unsafe, TrojanX, Szvz, Artemis, Static AI, Malicious PE, optua, kcloud, Sabsik, 0BMFEX, score, ai score=88, Diztakun, susgen, confidence) | ||
| md5 | 5eaf5e0662c263dd7acc3476067991a2 | ||
| sha256 | a4c680999c96f7c43857ced1a7d4e3bb615e1fb776ca6a8b35d2b9d2d3ac1761 | ||
| ssdeep | 6144:1KZ4GtPKN/wERFgwwJnGGH6f6i6yNWusc0cOJfet3Agp0q9ygbX+1RzDU8:WtPKptwJGGaiSNWPc0cIsaMJcR/V | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (22cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 36 AntiVirus engines on VirusTotal as malicious |
| watch | A process performed obfuscation on information about the computer or sent it to a remote location indicative of CnC Traffic/Preperations. |
| watch | Communicates with host for which no DNS query was performed |
| watch | Drops a binary and executes it |
| watch | Installs itself for autorun at Windows startup |
| notice | A process attempted to delay the analysis task. |
| notice | A process created a hidden window |
| 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 | Creates a suspicious process |
| notice | Creates executable files on the filesystem |
| notice | HTTP traffic contains suspicious features which may be indicative of malware related traffic |
| notice | Performs some HTTP requests |
| notice | Queries the disk size which could be used to detect virtual machine with small fixed size or dynamic allocation |
| notice | Uses Windows utilities for basic Windows functionality |
| info | Checks amount of memory in system |
| info | Checks if process is being debugged by a debugger |
| info | Collects information to fingerprint the system (MachineGuid |
| info | Command line console output was observed |
| info | Queries for the computername |
| info | This executable has a PDB path |
Rules (18cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| watch | Malicious_Packer_Zero | Malicious Packer | binaries (download) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (download) |
| watch | Win32_Trojan_PWS_Net_1_Zero | Win32 Trojan PWS .NET Azorult | binaries (upload) |
| info | Is_DotNET_EXE | (no description) | binaries (download) |
| info | Is_DotNET_EXE | (no description) | binaries (upload) |
| info | IsDLL | (no description) | binaries (download) |
| info | IsPE64 | (no description) | binaries (download) |
| info | IsPE64 | (no description) | binaries (upload) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (download) |
| info | OS_Processor_Check_Zero | OS Processor Check | binaries (upload) |
| info | PE_Header_Zero | PE File Signature | binaries (download) |
| info | PE_Header_Zero | PE File Signature | binaries (upload) |
| info | Win32_Trojan_Gen_2_0904B0_Zero | Win32 Trojan Gen | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (9cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET DNS Query for .su TLD (Soviet Union) Often Malware Related
ET DNS Query for .su TLD (Soviet Union) Often Malware Related
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