Report - 8364_1637262017_3569.exe

RAT Generic Malware AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.11.19 17:15 Machine s1_win7_x6401
Filename 8364_1637262017_3569.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
7
Behavior Score
11.4
ZERO API file : clean
VT API (file) 29 detected (malicious, high confidence, Bulz, ZemsilF, qm1@aaaJy0m, Crysan, Eldorado, Attribute, HighConfidence, R002H07KI21, FileRepMetagen, Artemis, Static AI, Malicious PE, InvalidSig, Phonzy, ai score=80, PossibleThreat, confidence)
md5 6b9b7cbe70891c32b9fa7ec3d4737d09
sha256 fe0f1fd4a510707f64b904fc422649f8ce38cefa77e13d9607abf19b7d6be83d
ssdeep 3072:LKqrPAYZw0nwXekXVMnl69Ns/cw1hIPN7i59JpOo:LKqLAYZw0nwXekXml6920w1E85HIo
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (25cnts)

Level Description
danger Executed a process and injected code into it
warning File has been identified by 29 AntiVirus engines on VirusTotal as malicious
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 Collects information about installed applications
watch Communicates with host for which no DNS query was performed
watch Harvests credentials from local FTP client softwares
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 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 Steals private information from local Internet browsers
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 Tries to locate where the browsers are installed
info Uses Windows APIs to generate a cryptographic key

Rules (14cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
info anti_dbg Checks if being debugged memory
info DebuggerCheck__GlobalFlags (no description) memory
info DebuggerCheck__QueryInfo (no description) memory
info DebuggerCheck__RemoteAPI (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 PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (7cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
https://bitbucket.org/malifesta/repository/downloads/CVE_Update_2021.jpeg US ATLASSIAN PTY LTD 104.192.141.1 clean
https://bbuseruploads.s3.amazonaws.com/9a2c9a88-9c7d-4fbf-ad47-61608bd722a7/downloads/e4951140-889c-4816-ab10-8b242e25f9dd/CVE_Update_2021.jpeg?Signature=MhsFl0n3i3U35sNewiWsqeAAvNA%3D&Expires=1637311253&AWSAccessKeyId=AKIA6KOSE3BNJRRFUUX6&versionId=QaQww US AMAZON-02 52.216.249.60 clean
bbuseruploads.s3.amazonaws.com Unknown 52.217.163.217 malware
bitbucket.org US ATLASSIAN PTY LTD 104.192.141.1 malware
52.216.249.60 US AMAZON-02 52.216.249.60 clean
65.108.21.21 US ALABANZA-BALT 65.108.21.21 clean
104.192.141.1 US ATLASSIAN PTY LTD 104.192.141.1 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