Report - free-olddd.exe

AsyncRAT backdoor PWS .NET framework AntiDebug AntiVM PE File .NET EXE PE32
ScreenShot
Created 2021.06.02 09:37 Machine s1_win7_x6401
Filename free-olddd.exe
Type PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows
AI Score
9
Behavior Score
8.8
ZERO API file : malware
VT API (file) 47 detected (malicious, high confidence, GenericKD, Unsafe, Save, Kryptik, ali2000016, Eldorado, Attribute, HighConfidence, ABDR, MalwareX, Taskun, Convagent, DownLoader39, R002C0PER21, Static AI, Malicious PE, Score, GenericRXKR, ai score=81, CLOUD, AvsArher, bTJEKx, susgen, GenKryptik, FFVH, ZemsilF, zm0@aeFVCPm, GdSda, confidence, 100%)
md5 d3444e2455ec7c3120279e1848a12810
sha256 96a3d296bde03f433a24dca05bef61fbc1d0df35fd71f0de93040af3bc5012b9
ssdeep 12288:vOEzRfazFdolH4E+UTCZHS1AKLx445ks5:WEZazFalx+6uHS1Fr6s5
imphash f34d5f2d4577ed6d9ceec516c1f5a744
impfuzzy 3:rGsLdAIEK:tf
  Network IP location

Signature (17cnts)

Level Description
danger File has been identified by 47 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 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 (12cnts)

Level Name Description Collection
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
info Win_Backdoor_AsyncRAT_Zero Win Backdoor AsyncRAT binaries (upload)

Network (36cnts) ?

Request CC ASN Co IP4 Rule ? ZERO ?
http://www.adultpeace.com/p2io/?DVld2=4oufm6g7w9cVhgu+mDBWoA8I6Q2bNaX51teMhl/6i5f1woTl8Y4Ohfe29cQ9y7IaJQfIj0iK&6l=TjPx JP GMO Internet,Inc 163.44.239.73 1554 mailcious
http://www.bigplatesmallwallet.com/p2io/?DVld2=O674xtRxkGNoF6c3kGCKbVIXJyLg/Uv1kE5kvfYRu46mJjBrOhkzeBS5wyL3I0uQtRm1X0si&6l=TjPx US CLOUDFLARENET 66.235.200.147 1563 mailcious
http://www.adultpeace.com/p2io/ JP GMO Internet,Inc 163.44.239.73 1554 mailcious
http://www.69-1hn7uc.net/p2io/ JP SAKURA Internet Inc. 163.43.122.113 clean
http://www.hfjxhs.com/p2io/ HK ICIDC NETWORK 156.241.53.161 1561 mailcious
http://www.ruhexuangou.com/p2io/?DVld2=WkKybY+GL5E6d0NB6hKPcEEM/Z4gp4PnllJ4lZDhA9T5haocRpsPFcselLWyxf3h/8OpmW/H&6l=TjPx US LEASEWEB-USA-SFO-12 23.82.57.32 1557 mailcious
http://www.newmopeds.com/p2io/?DVld2=bSK1RxPLajIrf62nOJ2LeA3okZHmhG3V4GBmTatllgIVkFsFULHDN0cIL5FJcRS/4igqPa1G&6l=TjPx DE AMAZON-02 52.58.78.16 clean
http://www.hfjxhs.com/p2io/?DVld2=DTtQlm+Z53HZQQxwVrobrkMYYvpq+NlfspfnNNuMzI98GFQb/uTk0OsIpqJyOE0lLdOWa4eE&6l=TjPx HK ICIDC NETWORK 156.241.53.161 1561 mailcious
http://www.69-1hn7uc.net/p2io/?DVld2=V9Q6YNEu7TOfvwp76j8RVRt0udPCykKEN/raiLh+TizfOzW/z4mr+Qw1L4Mcx+Q4bIGaE8v/&6l=TjPx JP SAKURA Internet Inc. 163.43.122.113 clean
http://www.xzklrhy.com/p2io/?DVld2=70ecI/ncpkHOSi0flTewaEcUZYi2Zuic/rep+FdHbBVzX/KX7wn20wp4g3+obFTQrlclm+RQ&6l=TjPx HK ICIDC NETWORK 156.255.140.216 clean
http://www.ruhexuangou.com/p2io/ US LEASEWEB-USA-SFO-12 23.82.57.32 1557 mailcious
http://www.newmopeds.com/p2io/ DE AMAZON-02 52.58.78.16 clean
http://www.malcorinmobiliaria.com/p2io/ US Clayer Limited 160.121.176.84 clean
http://www.bigplatesmallwallet.com/p2io/ US CLOUDFLARENET 66.235.200.147 1563 mailcious
http://www.xzklrhy.com/p2io/ HK ICIDC NETWORK 156.255.140.216 clean
http://www.malcorinmobiliaria.com/p2io/?DVld2=X0EtArFEUual2LrizL+JDvaaIJih4TPXrew0ftkRNgE5xhBEnMYnqlEM9Znbjzoaa6WF3j6b&6l=TjPx US Clayer Limited 160.121.176.84 clean
www.malcorinmobiliaria.com US Clayer Limited 160.121.176.84 clean
www.ruhexuangou.com US LEASEWEB-USA-SFO-12 23.82.57.32 clean
www.tricqr.com Unknown mailcious
www.newmopeds.com DE AMAZON-02 52.58.78.16 clean
www.bigplatesmallwallet.com US CLOUDFLARENET 66.235.200.147 clean
www.foxwaybrasil.com Unknown clean
www.hfjxhs.com HK ICIDC NETWORK 156.241.53.161 clean
www.69-1hn7uc.net JP SAKURA Internet Inc. 163.43.122.113 clean
www.adultpeace.com JP GMO Internet,Inc 163.44.239.73 clean
www.xzklrhy.com HK ICIDC NETWORK 156.255.140.216 clean
www.hiddenwholesale.com US AMAZON-02 44.227.76.166 clean
44.227.76.166 US AMAZON-02 44.227.76.166 mailcious
156.255.140.216 HK ICIDC NETWORK 156.255.140.216 clean
160.121.176.84 US Clayer Limited 160.121.176.84 clean
66.235.200.147 US CLOUDFLARENET 66.235.200.147 phishing
163.44.239.73 JP GMO Internet,Inc 163.44.239.73 mailcious
52.58.78.16 DE AMAZON-02 52.58.78.16 mailcious
163.43.122.113 JP SAKURA Internet Inc. 163.43.122.113 clean
23.82.57.32 US LEASEWEB-USA-SFO-12 23.82.57.32 mailcious
156.241.53.161 HK ICIDC NETWORK 156.241.53.161 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