Report - 66b4ed2ceb0d7_stealc.exe

Client SW User Data Stealer ftp Client info stealer Generic Malware Malicious Library .NET framework(MSIL) UPX Http API PWS AntiDebug AntiVM PE File .NET EXE PE32 OS Processor Check
ScreenShot
Created 2024.08.11 15:19 Machine s1_win7_x6403
Filename 66b4ed2ceb0d7_stealc.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
2
Behavior Score
10.2
ZERO API file : mailcious
VT API (file) 43 detected (AIDetectMalware, Stealerc, malicious, high confidence, Artemis, Vg1q, GenericKD, Attribute, HighConfidence, Stealc, MalwareX, TrojanPSW, YzY0OmuPW5Liuode, mdqcx, YXEHIZ, moderate, score, Detected, ai score=86, Sabsik, 4I4I2E, Kryptik, Eldorado, ZemsilCO, @t0@aK7zGxg, QQPass, QQRob, Iqil, susgen, PossibleThreat, confidence)
md5 c0475f36aa20f3974528fdb57d62bfef
sha256 70a55c52fb1ebaee4b64ce822e6f3ed8c4e103fa6fc835dbed25e74b46ac184b
ssdeep 98304:RG8Co1C3Bupi+qpt+BGTpCO+BpjR3sqz2hG6UqEbo:R5Co1C3BD+qpg4k3vj6qC0eb
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (19cnts)

Level Description
danger File has been identified by 43 AntiVirus engines on VirusTotal as malicious
danger Connects to an IP address that is no longer responding to requests (legitimate services will remain up-and-running usually)
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 Manipulates memory of a non-child process indicative of process injection
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 for the Locally Unique Identifier on the system for a suspicious privilege
notice One or more potentially interesting buffers were extracted
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 The executable contains unknown PE section names indicative of a packer (could be a false positive)
info This executable has a PDB path

Rules (20cnts)

Level Name Description Collection
danger Client_SW_User_Data_Stealer Client_SW_User_Data_Stealer memory
warning Generic_Malware_Zero Generic Malware binaries (upload)
warning infoStealer_ftpClients_Zero ftp clients info stealer memory
watch Malicious_Library_Zero Malicious_Library binaries (upload)
watch UPX_Zero UPX packed file binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice Generic_PWS_Memory_Zero PWS Memory memory
notice Str_Win32_Http_API Match Windows Http 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 Is_DotNET_EXE (no description) binaries (upload)
info IsPE32 (no description) binaries (upload)
info OS_Processor_Check_Zero OS Processor Check binaries (upload)
info PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (1cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
147.45.47.59 RU OOO FREEnet Group 147.45.47.59 mailcious

Suricata ids

PE API

IAT(Import Address Table) Library

mscoree.dll
 0x402000 _CorExeMain

EAT(Export Address Table) is none



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