Report - free-000999.exe

AsyncRAT backdoor PWS .NET framework ScreenShot AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2021.06.02 09:49 Machine s1_win7_x6401
Filename free-000999.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
8
Behavior Score
8.6
ZERO API file : malware
VT API (file) 34 detected (malicious, high confidence, GenericKDZ, FCZG, Save, Kryptik, Eldorado, Malcode, gdn30, ABCN, MalwareX, Agensla, Fareit, Static AI, Suspicious PE, ai score=85, AgentTesla, score, FVTN, AvsArher, bTJEKx, susgen, GenKryptik, FFVH, ZemsilF, Fm0@aeIQ@ok, confidence)
md5 62e1e922414f00b84ec0566c748b6649
sha256 c3777d703c33d8e0bdda32f801ce612d0389fd620fdd678ef333ef14db3a328f
ssdeep 12288:6KHp9yEAdCKHfjL2b7vWgJXd2nfzkxWF8TRyrR+mH:9pg/X2njt2fzPOwrRrH
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (17cnts)

Level Description
danger Executed a process and injected code into it
danger File has been identified by 34 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 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 Sends data using the HTTP POST Method
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 (13cnts)

Level Name Description Collection
watch Win32_Trojan_PWS_Net_1_Zero Win32 Trojan PWS .NET Azorult binaries (upload)
notice ScreenShot Take ScreenShot 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 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 (37cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.xzklrhy.com/p2io/?CR=70ecI/ncpkHOSi0flTewaEcUZYi2Zuic/rep+FdHbBVzX/KX7wn20wp4g3+obFTQrlclm+RQ&RZ=dnrxW2q8aPEXL2o HK ICIDC NETWORK 156.255.140.216 clean
http://www.biztekno.com/p2io/ DE PlusServer GmbH 151.106.118.75 clean
http://www.biztekno.com/p2io/?CR=IctutJlBoNuiRzjg9eJAOxuhjWEnlD6jXMGlUqS5/LzI4DrjbzOHsOs+aKVDYU94ARKAVZYk&RZ=dnrxW2q8aPEXL2o DE PlusServer GmbH 151.106.118.75 clean
http://www.liminaltechnology.com/p2io/?CR=PfX6gvL1n2k6iJTsm2w17tv0qq3FBu3hWsZA38xYtqeUN4691F0nKiAgOKyjpkHMBi57ZW6+&RZ=dnrxW2q8aPEXL2o HU Websupport s.r.o. 185.111.89.170 1548 mailcious
http://www.hfjxhs.com/p2io/?CR=DTtQlm+Z53HZQQxwVrobrkMYYvpq+NlfspfnNNuMzI98GFQb/uTk0OsIpqJyOE0lLdOWa4eE&RZ=dnrxW2q8aPEXL2o HK ICIDC NETWORK 156.241.53.161 1561 mailcious
http://www.69-1hn7uc.net/p2io/ JP SAKURA Internet Inc. 163.43.122.126 clean
http://www.hfjxhs.com/p2io/ HK ICIDC NETWORK 156.241.53.161 1561 mailcious
http://www.liminaltechnology.com/p2io/ HU Websupport s.r.o. 185.111.89.170 1548 mailcious
http://www.ruhexuangou.com/p2io/?CR=WkKybY+GL5E6d0NB6hKPcEEM/Z4gp4PnllJ4lZDhA9T5haocRpsPFcselLWyxf3h/8OpmW/H&RZ=dnrxW2q8aPEXL2o US LEASEWEB-USA-SFO-12 23.82.57.32 1557 mailcious
http://www.69-1hn7uc.net/p2io/?CR=V9Q6YNEu7TOfvwp76j8RVRt0udPCykKEN/raiLh+TizfOzW/z4mr+Qw1L4Mcx+Q4bIGaE8v/&RZ=dnrxW2q8aPEXL2o JP SAKURA Internet Inc. 163.43.122.126 clean
http://www.micheldrake.com/p2io/?CR=d2NgnqRQHDqC8zfUpSeXKrGILlrAeXd0mpzt/HUKTHCMsqjNpHqiPqxZu8ECgv8Wi9ydyjUw&RZ=dnrxW2q8aPEXL2o US AUTOMATTIC 192.0.78.25 1550 mailcious
http://www.vectoroutlines.com/p2io/ US NAMECHEAP-NET 198.54.126.105 1549 mailcious
http://www.swayam-moj.com/p2io/ US A2HOSTING 199.195.117.147 clean
http://www.ruhexuangou.com/p2io/ US LEASEWEB-USA-SFO-12 23.82.57.32 1557 mailcious
http://www.vectoroutlines.com/p2io/?CR=RfOK6jKjejKyxd8Ge5LTyAppaXreGCTFIzs53vHZyU46XfbA28pKG3jMmZvEd1BBCDsLyI+Y&RZ=dnrxW2q8aPEXL2o US NAMECHEAP-NET 198.54.126.105 1549 mailcious
http://www.swayam-moj.com/p2io/?CR=0YkKA47ytgNTTKqC7kPMKR9IRaKfA7HvmA7dw67lGMbK4Ohl/Dwg+4NiV6Vw2XjcgeSDEO3B&RZ=dnrxW2q8aPEXL2o US A2HOSTING 199.195.117.147 clean
http://www.xzklrhy.com/p2io/ HK ICIDC NETWORK 156.255.140.216 clean
http://www.micheldrake.com/p2io/ US AUTOMATTIC 192.0.78.25 1550 mailcious
www.vectoroutlines.com US NAMECHEAP-NET 198.54.126.105 clean
www.ruhexuangou.com US LEASEWEB-USA-SFO-12 23.82.57.32 clean
www.liminaltechnology.com HU Websupport s.r.o. 185.111.89.170 clean
www.biztekno.com DE PlusServer GmbH 151.106.118.75 clean
www.tricqr.com Unknown mailcious
www.micheldrake.com US AUTOMATTIC 192.0.78.25 clean
www.hfjxhs.com HK ICIDC NETWORK 156.241.53.161 clean
www.69-1hn7uc.net JP SAKURA Internet Inc. 163.43.122.126 clean
www.swayam-moj.com US A2HOSTING 199.195.117.147 clean
www.xzklrhy.com HK ICIDC NETWORK 156.255.140.216 clean
156.241.53.161 HK ICIDC NETWORK 156.241.53.161 mailcious
198.54.126.105 US NAMECHEAP-NET 198.54.126.105 mailcious
156.255.140.216 HK ICIDC NETWORK 156.255.140.216 clean
185.111.89.170 HU Websupport s.r.o. 185.111.89.170 mailcious
199.195.117.147 US A2HOSTING 199.195.117.147 malware
163.43.122.126 JP SAKURA Internet Inc. 163.43.122.126 clean
151.106.118.75 DE PlusServer GmbH 151.106.118.75 clean
192.0.78.24 US AUTOMATTIC 192.0.78.24 mailcious
23.82.57.32 US LEASEWEB-USA-SFO-12 23.82.57.32 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