| File name: | Client.exe |
| Full analysis: | https://app.any.run/tasks/8b32efb9-f674-4552-aa84-c697fa124987 |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | October 04, 2022, 21:23:42 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | D1092DD29F82ABEA5AFAA9F47FCE5E46 |
| SHA1: | 5BA86062ED3721B7CEE08E1A07842BD84C6D3CB6 |
| SHA256: | FE1481B7E6AA4BD4A2FAA66FEF3D5BA0AC9842A7D9122749B56D2A4354425F8B |
| SSDEEP: | 1536:rntG0AI1JfxQ7CqmB9x1bbsTxR7mWa+askNpqKmY7:rnWI/x/q8n1bbsTLmTKkWz |
MALICIOUS
ASYNCRAT detected by memory dumps
- Client.exe (PID: 3052)
ASYNCRAT was detected
- Client.exe (PID: 3052)
SUSPICIOUS
Reads Environment values
- Client.exe (PID: 3052)
Reads the computer name
- Client.exe (PID: 3052)
Checks supported languages
- Client.exe (PID: 3052)
INFO
Reads settings of System Certificates
- Client.exe (PID: 3052)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(3052) Client.exe
C2 (2)
7.tcp.eu.ngrok.io
Ports (1)14756
VersionVenomRAT_HVNC 5.0.4
Autorunfalse
Mutexxugzaxzzxxbac
CertificateMIICMzCCAZygAwIBAgIVAKzuRlIrdEiNLAmu9VrDOC0NkctxMA0GCSqGSIb3DQEBDQUAMGcxGDAWBgNVBAMMD1Zlbm9tUkFUIFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIxMDcwMTEyNDA0MVoXDTMyMDQwOTEyNDA0MVowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQAD...
Server_Signaturedj5l9sjZVgN4z0tdGsWrYq4SrjzXqVj5yaLAT4NWvFBXO64Ar1DTv8UsWoCDUxsp5VHLn1pPaOVwIdBW9O+lGV92m/5HqDoTqNRXPUPfpq0A4dY2LyYp3IgXxY5ffR2RB9jfOpOBjntcMubeOn3xKO6xRYiGtzGS+ItVPhh6Tzs=
AntiVMfalse
PasteBinnull
bdosfalse
Botnetvenom clients
Aes_Key31c785911cede401be713bdd112ef605ff189e5e6185d5df393ef3a4e117da8c
SaltDcRatByqwqdanchun
Install_Folder%AppData%
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
Summary
| Architecture: | IMAGE_FILE_MACHINE_I386 |
|---|---|
| Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
| Compilation Date: | 2021-Nov-07 01:16:03 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 5.0.0.3 |
| InternalName: | Client.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | Client.exe |
| ProductName: | - |
| ProductVersion: | 5.0.0.3 |
| Assembly Version: | 5.0.0.3 |
DOS Header
| e_magic: | MZ |
|---|---|
| e_cblp: | 144 |
| e_cp: | 3 |
| e_crlc: | - |
| e_cparhdr: | 4 |
| e_minalloc: | - |
| e_maxalloc: | 65535 |
| e_ss: | - |
| e_sp: | 184 |
| e_csum: | - |
| e_ip: | - |
| e_cs: | - |
| e_ovno: | - |
| e_oemid: | - |
| e_oeminfo: | - |
| e_lfanew: | 128 |
PE Headers
| Signature: | PE |
|---|---|
| Machine: | IMAGE_FILE_MACHINE_I386 |
| NumberofSections: | 3 |
| TimeDateStamp: | 2021-Nov-07 01:16:03 |
| PointerToSymbolTable: | - |
| NumberOfSymbols: | - |
| SizeOfOptionalHeader: | 224 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 8192 | 62260 | 62464 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.86787 |
.rsrc | 73728 | 3509 | 3584 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.02623 |
.reloc | 81920 | 12 | 512 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.10191 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.19253 | 724 | UNKNOWN | UNKNOWN | RT_VERSION |
1 (#2) | 5.09187 | 2625 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
33
Monitored processes
1
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3052 | "C:\Users\admin\AppData\Local\Temp\Client.exe" | C:\Users\admin\AppData\Local\Temp\Client.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 5.0.0.3 Modules
AsyncRat(PID) Process(3052) Client.exe C2 (2) 7.tcp.eu.ngrok.io Ports (1)14756 VersionVenomRAT_HVNC 5.0.4 Autorunfalse Mutexxugzaxzzxxbac CertificateMIICMzCCAZygAwIBAgIVAKzuRlIrdEiNLAmu9VrDOC0NkctxMA0GCSqGSIb3DQEBDQUAMGcxGDAWBgNVBAMMD1Zlbm9tUkFUIFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIxMDcwMTEyNDA0MVoXDTMyMDQwOTEyNDA0MVowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQAD... Server_Signaturedj5l9sjZVgN4z0tdGsWrYq4SrjzXqVj5yaLAT4NWvFBXO64Ar1DTv8UsWoCDUxsp5VHLn1pPaOVwIdBW9O+lGV92m/5HqDoTqNRXPUPfpq0A4dY2LyYp3IgXxY5ffR2RB9jfOpOBjntcMubeOn3xKO6xRYiGtzGS+ItVPhh6Tzs= AntiVMfalse PasteBinnull bdosfalse Botnetvenom clients Aes_Key31c785911cede401be713bdd112ef605ff189e5e6185d5df393ef3a4e117da8c SaltDcRatByqwqdanchun Install_Folder%AppData% | |||||||||||||||
Total events
4 296
Read events
4 282
Write events
14
Delete events
0
Modification events
| (PID) Process: | (3052) Client.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
0
Suspicious files
3
Text files
0
Unknown types
1
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3052 | Client.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:— | SHA256:— | |||
| 3052 | Client.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:— | SHA256:— | |||
| 3052 | Client.exe | C:\Users\admin\AppData\Local\Temp\TarC028.tmp | cat | |
MD5:— | SHA256:— | |||
| 3052 | Client.exe | C:\Users\admin\AppData\Local\Temp\CabC027.tmp | compressed | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
2
DNS requests
3
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3052 | Client.exe | GET | 200 | 8.238.29.254:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?7569448dcda7b504 | US | compressed | 60.9 Kb | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3052 | Client.exe | 8.238.29.254:80 | ctldl.windowsupdate.com | LEVEL3 | US | suspicious |
3052 | Client.exe | 3.124.67.191:14756 | 7.tcp.eu.ngrok.io | AMAZON-02 | DE | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
7.tcp.eu.ngrok.io |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potential Corporate Privacy Violation | ET INFO DNS Query to a *.ngrok domain (ngrok.io) |
— | — | Potential Corporate Privacy Violation | ET INFO DNS Query to a *.ngrok domain (ngrok.io) |
2 ETPRO signatures available at the full report