ScreenShot
| Created | 2021.09.23 08:30 | Machine | s1_win7_x6402 |
| Filename | DownFlSetup999.exe | ||
| Type | PE32 executable (GUI) Intel 80386 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) | 32 detected (Bulz, malicious, high confidence, Save, ZemsilF, eu0@aCowjj, Attribute, HighConfidence, AGen, Reline, FileRepMalware, Static AI, Malicious PE, Redline, ai score=87, PSWTroj, kcloud, Ilgergop, 808OIX, StupidPInvoker, HackTool, USMANIM21, PossibleThreat, GdSda, confidence) | ||
| md5 | ecb887b80ecdd78f0d5c3d93e77fe21c | ||
| sha256 | 4d88199ada7b791bc7f1d03faa7ecb85b7a5f42ecedc3f84a9514afd4f5996c4 | ||
| ssdeep | 1536:57wy8P6KV6w1DbzQVOcfjyCKoyfBB5JLezr+J:57wyTKV6w5sjbyCKoyj5szSJ | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (36cnts)
| Level | Description |
|---|---|
| danger | File has been identified by 32 AntiVirus engines on VirusTotal as malicious |
| watch | Checks for the presence of known windows from debuggers and forensic tools |
| watch | Checks the version of Bios |
| watch | Collects information about installed applications |
| watch | Communicates with host for which no DNS query was performed |
| watch | Deletes a large number of files from the system indicative of ransomware |
| watch | Detects Virtual Machines through their custom firmware |
| watch | Detects VMWare through the in instruction feature |
| watch | Harvests credentials from local email clients |
| watch | Harvests credentials from local FTP client softwares |
| watch | Looks for the Windows Idle Time to determine the uptime |
| 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 executable files on the filesystem |
| notice | Drops a binary and executes it |
| notice | Drops an executable to the user AppData folder |
| notice | Expresses interest in specific running processes |
| 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 | Queries for potentially installed applications |
| notice | Resolves a suspicious Top Level Domain (TLD) |
| notice | Sends data using the HTTP POST Method |
| notice | Steals private information from local Internet browsers |
| notice | Terminates another process |
| notice | The binary likely contains encrypted or compressed data indicative of a packer |
| 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 | One or more processes crashed |
| info | Queries for the computername |
| info | The executable contains unknown PE section names indicative of a packer (could be a false positive) |
| info | Tries to locate where the browsers are installed |
| info | Uses Windows APIs to generate a cryptographic key |
Rules (13cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| warning | Generic_Malware_Zero | Generic Malware | binaries (download) |
| warning | Generic_Malware_Zero | Generic Malware | binaries (upload) |
| warning | themida_packer | themida packer | binaries (download) |
| watch | Malicious_Library_Zero | Malicious_Library | binaries (download) |
| notice | anti_vm_detect | Possibly employs anti-virtualization techniques | binaries (download) |
| info | Is_DotNET_EXE | (no description) | binaries (download) |
| 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 | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (download) |
| info | Win_Backdoor_AsyncRAT_Zero | Win Backdoor AsyncRAT | binaries (upload) |
Network (20cnts) ?
Suricata ids
SSLBL: Malicious JA3 SSL-Client Fingerprint detected (Tofsee)
ET DNS Query to a *.top domain - Likely Hostile
ET DNS Query to a *.top domain - Likely Hostile
PE API
IAT(Import Address Table) Library
mscoree.dll
0x418000 _CorExeMain
EAT(Export Address Table) is none
mscoree.dll
0x418000 _CorExeMain
EAT(Export Address Table) is none