Report - Dollar.exe

Client SW User Data Stealer Backdoor RemcosRAT browser info stealer Downloader Google Chrome User Data Confuser .NET Create Service Socket Escalate priviledges PWS Sniff Audio DNS ScreenShot Internet API KeyLogger AntiDebug AntiVM PE64 PE File
ScreenShot
Created 2023.06.28 07:40 Machine s1_win7_x6401
Filename Dollar.exe
Type PE32+ executable (GUI) x86-64 Mono/.Net assembly, for MS Windows
AI Score
5
Behavior Score
9.2
ZERO API file : malware
VT API (file) 52 detected (Remcos, DownloaderNET, GenericKD, Trojanpws, Artemis, unsafe, Save, Kryptik, malicious, ABRisk, PFUW, Attribute, HighConfidence, moderate confidence, AHQJ, score, PWSX, FalseSign, Nsmw, AGEN, R06EC0XFL23, Krypt, Static AI, Suspicious PE, Malware@#1n5yanpdue0xt, Detected, RmRAT, ai score=88, Chgt, MSIL@AI, MSIL2, TZFWx9Or41wPYBYImhSbqg, susgen, AHQB, confidence, 100%)
md5 75c279006f649b36303f4167f5617c53
sha256 e1cf35a98cc9a3e08243dce9b26b0aa4468cdfa06b4a3f7615f7e088e195bdc4
ssdeep 49152:5WfOzgIZkaVVqb8cwaEf6019rG3ysy0iXTc:5WfOYaPc2VrSBytY
imphash
impfuzzy 3::
  Network IP location

Signature (19cnts)

Level Description
danger File has been identified by 52 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 Communicates with host for which no DNS query was performed
watch Creates a windows hook that monitors keyboard input (keylogger)
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
notice Allocates read-write-execute memory (usually to unpack itself)
notice Checks for the Locally Unique Identifier on the system for a suspicious privilege
notice One or more potentially interesting buffers were extracted
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 Collects information to fingerprint the system (MachineGuid
info The executable contains unknown PE section names indicative of a packer (could be a false positive)
info This executable has a PDB path

Rules (26cnts)

Level Name Description Collection
danger Client_SW_User_Data_Stealer Client_SW_User_Data_Stealer memory
danger Win_Backdoor_RemcosRAT Win Backdoor RemcosRAT memory
warning infoStealer_browser_Zero browser info stealer memory
watch Chrome_User_Data_Check_Zero Google Chrome User Data Check memory
watch ConfuserEx_Zero Confuser .NET binaries (upload)
watch Network_Downloader File Downloader memory
notice Create_Service Create a windows service memory
notice Escalate_priviledges Escalate priviledges memory
notice Generic_PWS_Memory_Zero PWS Memory memory
notice KeyLogger Run a KeyLogger memory
notice Network_DNS Communications use DNS memory
notice Network_TCP_Socket Communications over RAW Socket memory
notice ScreenShot Take ScreenShot memory
notice Sniff_Audio Record Audio memory
notice Str_Win32_Internet_API Match Windows Inet API call memory
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 IsPE64 (no description) binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info win_hook Affect hook table memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
91.192.100.10 CH Datasource AG 91.192.100.10 clean

Suricata ids

PE API

IAT(Import Address Table) is none

EAT(Export Address Table) is none



Similarity measure (PE file only) - Checking for service failure