File name: | ars.exe |
Full analysis: | https://app.any.run/tasks/89228261-00e7-423f-817d-9a88fbc33b74 |
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: | June 27, 2022, 11:37:57 |
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: | 88478AE24FEC0019120BA96AE3AB993E |
SHA1: | 80F670346203304E1C0BC51094F64A2DC1D96D4F |
SHA256: | C7BC7C1779304B9F24E2EE6762C68D4D08514E326D14945BCF3BF8FF4E781931 |
SSDEEP: | 768:fu1a21T3EiJfWUzuydmo2qzXUns84vQ6JPI8zjbAgX3yvomlOYFltsQ2LIVbBDZ1:fu1a21T3xN2MSOQ6m83bnXiWqs7Lcd7x |
.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) |
AssemblyVersion: | 1.0.0.0 |
---|---|
ProductVersion: | 1.0.0.0 |
ProductName: | - |
OriginalFileName: | Stub.exe |
LegalTrademarks: | - |
LegalCopyright: | - |
InternalName: | Stub.exe |
FileVersion: | 1.0.0.0 |
FileDescription: | - |
CompanyName: | - |
Comments: | - |
CharacterSet: | Unicode |
LanguageCode: | Neutral |
FileSubtype: | - |
ObjectFileType: | Executable application |
FileOS: | Win32 |
FileFlags: | (none) |
FileFlagsMask: | 0x003f |
ProductVersionNumber: | 1.0.0.0 |
FileVersionNumber: | 1.0.0.0 |
Subsystem: | Windows GUI |
SubsystemVersion: | 4 |
ImageVersion: | - |
OSVersion: | 4 |
EntryPoint: | 0xc74e |
UninitializedDataSize: | - |
InitializedDataSize: | 2560 |
CodeSize: | 43008 |
LinkerVersion: | 8 |
PEType: | PE32 |
TimeStamp: | 2020:05:10 07:24:51+02:00 |
MachineType: | Intel 386 or later, and compatibles |
Architecture: | IMAGE_FILE_MACHINE_I386 |
---|---|
Subsystem: | IMAGE_SUBSYSTEM_WINDOWS_GUI |
Compilation Date: | 10-May-2020 05:24:51 |
Comments: | - |
CompanyName: | - |
FileDescription: | - |
FileVersion: | 1.0.0.0 |
InternalName: | Stub.exe |
LegalCopyright: | - |
LegalTrademarks: | - |
OriginalFilename: | Stub.exe |
ProductName: | - |
ProductVersion: | 1.0.0.0 |
Assembly Version: | 1.0.0.0 |
Magic number: | MZ |
---|---|
Bytes on last page of file: | 0x0090 |
Pages in file: | 0x0003 |
Relocations: | 0x0000 |
Size of header: | 0x0004 |
Min extra paragraphs: | 0x0000 |
Max extra paragraphs: | 0xFFFF |
Initial SS value: | 0x0000 |
Initial SP value: | 0x00B8 |
Checksum: | 0x0000 |
Initial IP value: | 0x0000 |
Initial CS value: | 0x0000 |
Overlay number: | 0x0000 |
OEM identifier: | 0x0000 |
OEM information: | 0x0000 |
Address of NE header: | 0x00000080 |
Signature: | PE |
---|---|
Machine: | IMAGE_FILE_MACHINE_I386 |
Number of sections: | 3 |
Time date stamp: | 10-May-2020 05:24:51 |
Pointer to Symbol Table: | 0x00000000 |
Number of symbols: | 0 |
Size of Optional Header: | 0x00E0 |
Characteristics: |
|
Name | Virtual Address | Virtual Size | Raw Size | Charateristics | Entropy |
---|---|---|---|---|---|
.text | 0x00002000 | 0x0000A754 | 0x0000A800 | IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ | 5.51585 |
.rsrc | 0x0000E000 | 0x000007FF | 0x00000800 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_READ | 4.88507 |
.reloc | 0x00010000 | 0x0000000C | 0x00000200 | IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ | 0.0815394 |
Title | Entropy | Size | Codepage | Language | Type |
---|---|---|---|---|---|
1 | 5.22615 | 1171 | UNKNOWN | UNKNOWN | RT_MANIFEST |
mscoree.dll |
PID | CMD | Path | Indicators | Parent process |
---|---|---|---|---|
2840 | "C:\Users\admin\AppData\Local\Temp\ars.exe" | C:\Users\admin\AppData\Local\Temp\ars.exe | Explorer.EXE | |
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 AsyncRat(PID) Process(2840) ars.exe Install_Folder%AppData% Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 Aes_Keyb511aa6f5de9e2d1fc46ee8dc176db122ace5a548043d9cffacd70389bb76f33 BotnetDefault bdosfalse PasteBinnull AntiVMfalse Server_SignatureTX7E3+Y0RMn6S9cPpE2BpF63Em4zGqHXoKA6ft/LTm9vpP4O0qrB6xfT0zlhavLD4yt/OykDGJz1299F9+QvCYbOO/BAKdX5GK+3lBN60T2ToQVyrQQwrVfVH8bduQNuk9Bcz6+z0SO/nlEWxY+5KRAOoTrtSDVgS17IW1GKWAim5FofkUOkJuPz19fFUdvR1GY/ZAk2NNO66CEGfUPm6By6EHkAgGZSu26T+/2B98KTzQoEata0VGGFXEh6nQKHu5FGEbrknYxf3e/uqTS2vTGoPuiNvURmBel/0lbLesd8... CertificateMIIE8jCCAtqgAwIBAgIQANFiG4Mg2HIA5Lxj8yDxUTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwNjE2MDk0ODU4WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAJl+47VIlD3Y1HOX/FJuqaphOhP3yaVxpxqWSn+5ssUVmBLOxZYSkOvYiQf5cUU5hLfgWnnuKOzF... MutexAsyncMutex_6SI8OkPnk Autorunfalse Version0.5.7B Ports (2)22138 1234 C2 (1)eu-central-7075.packetriot.net |
(PID) Process: | (2840) ars.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\16C\52C64B7E |
Operation: | write | Name: | LanguageList |
Value: en-US |
PID | Process | Filename | Type | |
---|---|---|---|---|
2840 | ars.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:308336E7F515478969B24C13DED11EDE | SHA256:889B832323726A9F10AD03F85562048FDCFE20C9FF6F9D37412CF477B4E92FF9 | |||
2840 | ars.exe | C:\Users\admin\AppData\Local\Temp\CabD071.tmp | compressed | |
MD5:308336E7F515478969B24C13DED11EDE | SHA256:889B832323726A9F10AD03F85562048FDCFE20C9FF6F9D37412CF477B4E92FF9 | |||
2840 | ars.exe | C:\Users\admin\AppData\Local\Temp\TarD072.tmp | cat | |
MD5:2D8A5090656DE9FB55DD0F3BA20F9299 | SHA256:44AE1E61A4E6305C15AAA52FD1B29DDB060E69233703CBA611F5E781D766442E | |||
2840 | ars.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:6DD6B4CF7D5C1F8F964A9EA590342954 | SHA256:992CB557A73697655301DC55619C2BD05A577C787B12E89DBCFA97E44CFBCE6C |
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
---|---|---|---|---|---|---|---|---|---|
2840 | ars.exe | GET | 200 | 95.140.236.128:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?223ad4379d939f9d | GB | compressed | 60.0 Kb | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
---|---|---|---|---|---|---|
2840 | ars.exe | 167.71.56.116:22138 | eu-central-7075.packetriot.net | — | US | malicious |
2840 | ars.exe | 95.140.236.128:80 | ctldl.windowsupdate.com | Limelight Networks, Inc. | GB | malicious |
— | — | 192.168.100.2:53 | — | — | — | whitelisted |
— | — | 167.71.56.116:1234 | eu-central-7075.packetriot.net | — | US | malicious |
Domain | IP | Reputation |
---|---|---|
www.microsoft.com |
| whitelisted |
eu-central-7075.packetriot.net |
| malicious |
ctldl.windowsupdate.com |
| whitelisted |
PID | Process | Class | Message |
---|---|---|---|
2840 | ars.exe | A Network Trojan was detected | ET TROJAN Observed Malicious SSL Cert (AsyncRAT Server) |