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| File name: | fix.exe |
| Full analysis: | https://app.any.run/tasks/305482fa-e228-4607-a90a-c2936e7081d5 |
| 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: | December 05, 2022, 19:52:36 |
| 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: | FB78E079EE72EB4DEBFFCB27E6939EF0 |
| SHA1: | 5E76719C1B58845D1923A2016B4AA9ED23A8D028 |
| SHA256: | 7877B648541EE30AC3FBC336A432BC05625F57942277C842F481B50EF071E209 |
| SSDEEP: | 768:DeICljTILmCKi+DiBtelDSN+iV08YbygebFR93jJtzpvEgK/J3ZVc6KN:DeIYdmBtKDs4zb1SFHzvpnkJ3ZVclN |
MALICIOUS
Changes the autorun value in the registry
- fix.exe (PID: 2436)
ASYNCRAT detected by memory dumps
- logonui.exe (PID: 3176)
SUSPICIOUS
Connects to unusual port
- logonui.exe (PID: 3176)
INFO
Checks supported languages
- fix.exe (PID: 2436)
- logonui.exe (PID: 3176)
Reads the computer name
- fix.exe (PID: 2436)
- logonui.exe (PID: 3176)
Reads Environment values
- logonui.exe (PID: 3176)
Manual execution by a user
- explorer.exe (PID: 1668)
- SndVol.exe (PID: 3656)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(3176) logonui.exe
C2 (2)147.185.221.211
127.0.0.1
Ports (1)38903
Version1.0.7
Autoruntrue
MutexDcRatMutex_g54wdfzv5
CertificateMIICMDCCAZmgAwIBAgIVAKJtBYj9e236jKMdFFfcm0NnIFzPMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIyMDEwNzIwMTE0MloXDTMyMTAxNjIwMTE0MlowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A...
Server_SignatureCrRs1AQe4MDWNVCnZeRmdQyb/Ql8gk+m2yYCO6QDPQ5IZkeSNF8JO81Nd/uDOBu+vE6Eq9zv0Rrr/P1wN09ufcKUY+4DGJ6vrT1gppn+beHVdMxEej3Tc0OB0sdCU1hY1tYezxnfoiQrIvTZTvfp4F/jx0AevRVNW27zlCQqMds=
AntiVMfalse
PasteBinnull
bdosfalse
Botnetdefault
Aes_Key07e3f0263909d174fcc869a677f5ce325607d2657953009ec1427eccb36a7451
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-May-05 21:11:39 |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.7.0 |
| InternalName: | Client.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFilename: | Client.exe |
| ProductName: | - |
| ProductVersion: | 1.0.7.0 |
| Assembly Version: | 1.0.7.0 |
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-May-05 21:11:39 |
| PointerToSymbolTable: | - |
| NumberOfSymbols: | - |
| SizeOfOptionalHeader: | 224 |
| Characteristics: |
|
Sections
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
|---|---|---|---|---|---|
.text | 8192 | 43988 | 44032 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.64541 |
.rsrc | 57344 | 3575 | 3584 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 5.11061 |
.reloc | 65536 | 12 | 512 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Resources
Title | Entropy | Size | Codepage | Language | Type |
|---|---|---|---|---|---|
1 | 3.17881 | 724 | UNKNOWN | UNKNOWN | RT_VERSION |
1 (#2) | 5.13313 | 2691 | UNKNOWN | UNKNOWN | RT_MANIFEST |
Imports
mscoree.dll |
Total processes
41
Monitored processes
6
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2436 | "C:\Users\admin\AppData\Local\Temp\fix.exe" | C:\Users\admin\AppData\Local\Temp\fix.exe | Explorer.EXE | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Version: 1.0.7.0 Modules
| |||||||||||||||
| 2416 | C:\Windows\system32\cmd.exe /c ""C:\Users\admin\AppData\Local\Temp\tmp3D9.tmp.bat"" | C:\Windows\system32\cmd.exe | — | fix.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 1 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2208 | timeout 3 | C:\Windows\system32\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3176 | "C:\Users\admin\AppData\Roaming\logonui.exe" | C:\Users\admin\AppData\Roaming\logonui.exe | cmd.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.7.0 Modules
AsyncRat(PID) Process(3176) logonui.exe C2 (2)147.185.221.211 127.0.0.1 Ports (1)38903 Version1.0.7 Autoruntrue MutexDcRatMutex_g54wdfzv5 CertificateMIICMDCCAZmgAwIBAgIVAKJtBYj9e236jKMdFFfcm0NnIFzPMA0GCSqGSIb3DQEBDQUAMGQxFTATBgNVBAMMDERjUmF0IFNlcnZlcjETMBEGA1UECwwKcXdxZGFuY2h1bjEcMBoGA1UECgwTRGNSYXQgQnkgcXdxZGFuY2h1bjELMAkGA1UEBwwCU0gxCzAJBgNVBAYTAkNOMB4XDTIyMDEwNzIwMTE0MloXDTMyMTAxNjIwMTE0MlowEDEOMAwGA1UEAwwFRGNSYXQwgZ8wDQYJKoZIhvcNAQEBBQADgY0A... Server_SignatureCrRs1AQe4MDWNVCnZeRmdQyb/Ql8gk+m2yYCO6QDPQ5IZkeSNF8JO81Nd/uDOBu+vE6Eq9zv0Rrr/P1wN09ufcKUY+4DGJ6vrT1gppn+beHVdMxEej3Tc0OB0sdCU1hY1tYezxnfoiQrIvTZTvfp4F/jx0AevRVNW27zlCQqMds= AntiVMfalse PasteBinnull bdosfalse Botnetdefault Aes_Key07e3f0263909d174fcc869a677f5ce325607d2657953009ec1427eccb36a7451 SaltDcRatByqwqdanchun Install_Folder%AppData% | |||||||||||||||
| 3656 | SndVol.exe -f 46007398 22557 | C:\Windows\system32\SndVol.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Volume Mixer Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1668 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | Explorer.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
846
Read events
817
Write events
29
Delete events
0
Modification events
| (PID) Process: | (2436) fix.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
| (PID) Process: | (2436) fix.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | logonui |
Value: "C:\Users\admin\AppData\Roaming\logonui.exe" | |||
| (PID) Process: | (3176) logonui.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16D\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
1
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2436 | fix.exe | C:\Users\admin\AppData\Local\Temp\tmp3D9.tmp.bat | text | |
MD5:6A17BD82B51ECC81553E565794E20170 | SHA256:22B3174F35FED4E1D74FF85A22BAEBD0BD5836C22BA5C27EF2ED989E81D9ABF3 | |||
| 2436 | fix.exe | C:\Users\admin\AppData\Roaming\logonui.exe | executable | |
MD5:FB78E079EE72EB4DEBFFCB27E6939EF0 | SHA256:7877B648541EE30AC3FBC336A432BC05625F57942277C842F481B50EF071E209 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
1
DNS requests
0
Threats
0
HTTP requests
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3176 | logonui.exe | 147.185.221.211:38903 | — | PLAYIT-GG | US | malicious |