MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b7581c0e2dc71578ffd55e69ce2c306a4372b8d11a4f34d2eb2ba7780e757b73. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
AsyncRAT
Vendor detections: 9
| SHA256 hash: | b7581c0e2dc71578ffd55e69ce2c306a4372b8d11a4f34d2eb2ba7780e757b73 |
|---|---|
| SHA3-384 hash: | ff32a053f89e9f21571ab51d967932ff94b6e14a02b3df8ae582f966883c80de8aebf88aec2c848d4653bc6e285d55cb |
| SHA1 hash: | 5e77aa679dba9ce1ba300de84c40e86f4b8d3864 |
| MD5 hash: | 8fb066db4762a35fac7f31cedd97cab7 |
| humanhash: | lion-orange-venus-juliet |
| File name: | 8fb066db4762a35fac7f31cedd97cab7.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 1'030'144 bytes |
| First seen: | 2022-12-17 08:04:14 UTC |
| Last seen: | 2022-12-17 09:40:27 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| ssdeep | 24576:6RL1fJwm75YaYh0kpwIzOalXqBpSnJh9whgefucd9Tb7:CxRwm1lYhLpwISIXqzSn/9whBfbxb |
| Threatray | 2'500 similar samples on MalwareBazaar |
| TLSH | T1DC2502398FB17A09D717EFBB490D87CA15DED2715E120E8BB852CCE117C20BA2759A31 |
| TrID | 56.5% (.EXE) Win64 Executable (generic) (10523/12/4) 11.0% (.ICL) Windows Icons Library (generic) (2059/9) 10.9% (.EXE) OS/2 Executable (generic) (2029/13) 10.7% (.EXE) Generic Win/DOS Executable (2002/3) 10.7% (.EXE) DOS Executable Generic (2000/1) |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
2
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
8fb066db4762a35fac7f31cedd97cab7.exe
Verdict:
Malicious activity
Analysis date:
2022-12-17 08:06:08 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Enabling autorun by creating a file
Verdict:
No Threat
Threat level:
2/10
Confidence:
100%
Tags:
obfuscated packed
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Result
Threat name:
Unknown
Detection:
malicious
Classification:
evad
Score:
88 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Modifies the context of a thread in another process (thread injection)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win64.Spyware.RedLine
Status:
Suspicious
First seen:
2022-12-16 17:52:55 UTC
File Type:
PE+ (.Net Exe)
Extracted files:
2
AV detection:
15 of 38 (39.47%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 2'490 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of SetThreadContext
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
b7581c0e2dc71578ffd55e69ce2c306a4372b8d11a4f34d2eb2ba7780e757b73
MD5 hash:
8fb066db4762a35fac7f31cedd97cab7
SHA1 hash:
5e77aa679dba9ce1ba300de84c40e86f4b8d3864
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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