Report - .csrss.exe

PWS .NET framework Generic Malware AntiDebug AntiVM PE File PE32 .NET EXE
ScreenShot
Created 2021.10.27 10:13 Machine s1_win7_x6403
Filename .csrss.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
9.4
ZERO API file : clean
VT API (file) 36 detected (malicious, high confidence, GenericKD, Unsafe, Save, Kryptik, ali2000016, confidence, Eldorado, Malcode, gdn30, ADHF, Agensla, MalwareX, cvtpv@0, PackedNET, Static AI, Malicious PE, ai score=84, AgentTesla, score, FCZF, MachineLearning, Anomalous, R002H07JQ21, Krypt, GenKryptik, FMJE, GdSda, susgen)
md5 e54e7ec5aa72f4d5bb128553728fb209
sha256 17ed64707506c917be6329e1cbe94548d761d218dc8e2d624eab99565acc055d
ssdeep 6144:VUOmwX3A1yQocv/4vl1/tYIx1CdQUrnspbQ10DDs4jW2ncti8yQc9z9K:BQSuIx1CiUzX0PWLtVyHJ9K
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (18cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 36 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 Communicates with host for which no DNS query was performed
watch Created a process named as a common system process
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 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 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

Rules (12cnts)

Level Name Description Collection
warning Generic_Malware_Zero Generic Malware binaries (upload)
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
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 PE_Header_Zero PE File Signature binaries (upload)
info SEH__vectored (no description) memory
info ThreadControl__Context (no description) memory

Network (26cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.weberwines.tax/euzn/?8p=rrblNUwXaF09u3mrCbtzJUAcItARcizJXqK8tRqRy7UZfQx0GnrhUftu7TFVxz4251JgXOGw&wZ=H2J8n4y US DEFENSE-NET 209.17.116.163 clean
http://www.heser.net/euzn/?8p=3YIIvuVMPod2ghyVzlrVbDIKpMNjGC1jVshcE/xay47UBDuWohiRTIe7T0ywrtH6KgyQLQcn&wZ=H2J8n4y US GOOGLE 142.250.199.115 clean
http://www.mecasso.store/euzn/?8p=5V4tZ993so02mJc3sFQ1G2n5zFyOyfQP63UMvRPf7Sx02fgR5BEy180KOo1jDAfLNmzZkM90&wZ=H2J8n4y Unknown 3.33.152.147 clean
http://www.gold12guide.art/euzn/?8p=fG/1TTLa6+7U56mtX+B4aGEWRZbcVvvrrPCAadpaTDUqE3GL44eZkkQ9Crkv0cVWXzLtUrfa&wZ=H2J8n4y AU GSL Networks Pty LTD 202.165.66.108 clean
http://www.pepeavatar.com/euzn/?8p=c52/idsZybo5+++XEfR74GyO3sFn94uB9Bi9sGgwmuYdSzcMkVUF1vuwnR+zyHyG1b/8nRaD&wZ=H2J8n4y Unknown 3.64.163.50 clean
http://www.235296tyc.com/euzn/?8p=qPG280hY3bVwFWYgPYUPmF0yLOv8ZOX3N77VjzujjWFTLW7L05+D5h5Mp3mfBnzq5vwwDWs5&wZ=H2J8n4y US CLOUDFLARENET 172.67.187.226 clean
http://www.baibuaherb.com/euzn/?8p=txChVvbQXjI9PLvjaTp0YZLPDAtzuyqbih5pAFD4cVDNzSb4eTi8CUJ3NmKGE4sEw5SlkR8L&wZ=H2J8n4y US CLOUDFLARENET 104.21.73.118 clean
http://www.herbalmedication.xyz/euzn/?8p=2R7YJWwCBBpytsqtiVkPZQg/Kf6xNwUZJHDVkC35/SOaGMLBhX9HHpVWwkHu5dCAZCxH7WXo&wZ=H2J8n4y US AMAZON-02 44.227.76.166 clean
www.heser.net US GOOGLE 142.250.199.115 clean
www.pepeavatar.com Unknown 3.64.163.50 clean
www.gold12guide.art AU GSL Networks Pty LTD 202.165.66.108 clean
www.herbalmedication.xyz US AMAZON-02 44.227.65.245 clean
www.mcrjadr5.xyz Unknown clean
www.mecasso.store Unknown 3.33.152.147 clean
www.baibuaherb.com US CLOUDFLARENET 172.67.162.70 clean
www.weberwines.tax US DEFENSE-NET 209.17.116.163 clean
www.235296tyc.com US CLOUDFLARENET 172.67.187.226 clean
104.21.64.215 US CLOUDFLARENET 104.21.64.215 clean
209.17.116.163 US DEFENSE-NET 209.17.116.163 mailcious
15.197.142.173 Unknown 15.197.142.173 clean
3.64.163.50 Unknown 3.64.163.50 mailcious
142.250.199.83 US GOOGLE 142.250.199.83 clean
123.157.255.158 CN CHINA UNICOM China169 Backbone 123.157.255.158 clean
202.165.66.108 AU GSL Networks Pty LTD 202.165.66.108 mailcious
172.67.162.70 US CLOUDFLARENET 172.67.162.70 clean
44.227.65.245 US AMAZON-02 44.227.65.245 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