ScreenShot
| Created | 2021.04.26 18:27 | Machine | s1_win7_x6402 |
| Filename | IMG_5023075401.pdf | ||
| 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) | 16 detected (malicious, high confidence, Artemis, GenKryptik, Attribute, HighConfidence, FEMF, score, Stelega, AgentTesla, ZemsilF, vm1@aa5Rnme, confidence, 100%) | ||
| md5 | 427e21ef958ea63e6a12ce4d8d5a3e55 | ||
| sha256 | 88c532264a75ba3c9c5205753eb35b9f331ab42100fd61ba05516ea03f3afc70 | ||
| ssdeep | 3072:srQpD+pMEja8V6Tb/uV9q8Nrw6WCSYuXiTqfLG8k8L67T5egZoKpxaWoiF7O86Rx:x8ETb/cjMiTqjVkV9oIjom7OvRRG | ||
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 | ||
| impfuzzy | 3:rGsLdAIEK:tf | ||
Network IP location
Signature (29cnts)
| Level | Description |
|---|---|
| danger | Executed a process and injected code into it |
| 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 | Communicates with host for which no DNS query was performed |
| watch | File has been identified by 16 AntiVirus engines on VirusTotal as malicious |
| 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 | 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 | 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 | 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 | The binary likely contains encrypted or compressed data indicative of a packer |
| 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 (21cnts)
| Level | Name | Description | Collection |
|---|---|---|---|
| danger | Win_Trojan_AgentTesla_IN_Zero | Win Trojan AgentTesla | 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 | IsPE32 | (no description) | binaries (upload) |
| info | PE_Header_Zero | PE File Signature Zero | binaries (upload) |
| info | SEH__vectored | (no description) | memory |
| info | ThreadControl__Context | (no description) | memory |
| info | win_hook | Affect hook table | memory |
| info | HasDigitalSignature | DigitalSignature Check | binaries (upload) |
| info | HasOverlay | Overlay Check | binaries (upload) |
| info | IsNET_EXE | (no description) | binaries (upload) |
| info | IsWindowsGUI | (no description) | binaries (upload) |
| info | keylogger | Run a keylogger | memory |
| info | network_smtp_dotNet | Communications smtp | memory |
| info | network_tcp_listen | Listen for incoming communication | memory |
| info | win_files_operation | Affect private profile | memory |
| info | Win_KeyBase_Keylogger_IN_Zero | Win KeyBase Keylogger | binaries (upload) |
Network (7cnts) ?
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