MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 91d5fd40e83493f75c087353ab3c17d1a934398bba79be8cdf14d1ec7595be35. 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: 7
| SHA256 hash: | 91d5fd40e83493f75c087353ab3c17d1a934398bba79be8cdf14d1ec7595be35 |
|---|---|
| SHA3-384 hash: | c9844758a24ab9cdc5601af7dce1d6d6d2014ce29427a6217ebab4c53a4e64d94a8c491ee14fd05efca18dcc3bedb889 |
| SHA1 hash: | 370a53aaddf8a6fbad4df1c05e2136f663a8b06e |
| MD5 hash: | 2361ca81240ccdd5f9307cdd3eb9ee4e |
| humanhash: | failed-charlie-thirteen-nitrogen |
| File name: | PO_4123.msi |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 1'036'288 bytes |
| First seen: | 2022-03-29 07:13:45 UTC |
| Last seen: | Never |
| File type: |  msi |
| MIME type: | application/x-msi |
| ssdeep | 12288:nAItMRQ+gjpjegLyo8Q6pwmjK+kk9HrGCe/n5R2swSJaGidpn8MakTJbkWEeTuIw:ltWcpVLSfZLGC87wLikT5dEeZZne8yx |
| Threatray | 12'019 similar samples on MalwareBazaar |
| TLSH | T1B825029137C9C536E29F063646BA8776363A7C351B21C1CBA7943D6C4E317E3AA39312 |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT msi |
Intelligence
File Origin
# of uploads :
1
# of downloads :
152
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Detection(s):
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
cmd.exe expand.exe fingerprint packed shell32.dll
Result
Verdict:
UNKNOWN
Link:
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Checks if UnHackMe application is installed (likely to disable it)
Contains functionality to detect sleep reduction / modifications
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2022-03-29 07:14:16 UTC
File Type:
Binary (Archive)
Extracted files:
49
AV detection:
17 of 26 (65.38%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
trickbot
Similar samples:
+ 12'009 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat discovery rat
Behaviour
Checks SCSI registry key(s)
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of SetThreadContext
Enumerates connected drives
Loads dropped DLL
Modifies file permissions
Executes dropped EXE
Async RAT payload
AsyncRat
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.25
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: | quakbot_halo_generated |
|---|---|
| Author: | Halogen Generated Rule, Corsin Camichel |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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