MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c22b5e331196b80175752833fa2fc811d5b74ec686e2cd578e0b71c0aa003967. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: c22b5e331196b80175752833fa2fc811d5b74ec686e2cd578e0b71c0aa003967
SHA3-384 hash: 4712d9234cc59a8435ada8f78f7dbb8fb56d84a0ca6328b0e5a977c2d71da6513345c5fd96317e8419e9d58e07e5e2e5
SHA1 hash: 55521ff220c454f7bfac0fcee5b7e0881b398cd2
MD5 hash: 7f55451f6f38e8041e7bdc69de1fc322
humanhash: robert-blossom-berlin-saturn
File name:7f55451f6f38e8041e7bdc69de1fc322.exe
Download: download sample
Signature AsyncRAT
File size:568'832 bytes
First seen:2022-06-27 08:52:54 UTC
Last seen:2022-06-27 10:04:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:UOl1W3kXW5N0t2/933Y/2LqFd3NYoyBosfc7PMDcbBqu9qMfyqkCvzWMcBzqGUp:k5yK3Y/6qFd3rsE7cmqMEC7UzqGUp
Threatray 14'656 similar samples on MalwareBazaar
TLSH T1CFC46C721784BEC2C13D367A9146B540A3F2E6EA63A5DA4FBE5611C532F33816B7230D
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 4249d0cceef264a4 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
236
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
ID:
1
File name:
moda 53277.docx
Verdict:
Malicious activity
Analysis date:
2022-06-27 10:23:42 UTC
Tags:
generated-doc opendir trojan exploit CVE-2017-11882 loader asyncrat rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Creating a window
Launching a process
Creating a file
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Creating a process from a recently created file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Result
Verdict:
UNKNOWN
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:
AgentTesla, AsyncRAT, DcRat
Detection:
malicious
Classification:
spre.troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Bypasses PowerShell execution policy
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Sigma detected: RegAsm connects to smtp port
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected AntiVM3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Yara detected DcRat
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 652761 Sample: CqOq50s9pE.exe Startdate: 27/06/2022 Architecture: WINDOWS Score: 100 48 Snort IDS alert for network traffic 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 9 other signatures 2->54 10 CqOq50s9pE.exe 15 3 2->10         started        process3 dnsIp4 38 www.google.com 142.250.185.100, 443, 49720, 49758 GOOGLEUS United States 10->38 36 C:\Users\user\AppData\...\CqOq50s9pE.exe.log, ASCII 10->36 dropped 68 Writes to foreign memory regions 10->68 70 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->70 72 Injects a PE file into a foreign processes 10->72 15 InstallUtil.exe 3 4 10->15         started        file5 signatures6 process7 dnsIp8 46 80.66.64.151, 49745, 49756, 49757 VAD-SRL-AS1MD Russian Federation 15->46 34 C:\Users\user\AppData\Local\...34OTERSD.exe, PE32 15->34 dropped 19 cmd.exe 1 15->19         started        file9 process10 signatures11 56 Suspicious powershell command line found 19->56 58 Bypasses PowerShell execution policy 19->58 22 powershell.exe 12 19->22         started        24 conhost.exe 19->24         started        process12 process13 26 NOTERSD.exe 14 3 22->26         started        dnsIp14 40 www.google.com 26->40 60 Machine Learning detection for dropped file 26->60 62 Writes to foreign memory regions 26->62 64 Hides that the sample has been downloaded from the Internet (zone.identifier) 26->64 66 Injects a PE file into a foreign processes 26->66 30 RegAsm.exe 26->30         started        signatures15 process16 dnsIp17 42 mdr.by 212.98.168.170, 49767, 587 BN-ASBelarussiandatacommunicationserviceproviderBY Belarus 30->42 44 mail.mdr.by 30->44 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 30->74 76 Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines) 30->76 78 Tries to steal Mail credentials (via file / registry access) 30->78 80 3 other signatures 30->80 signatures18
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-06-27 07:54:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
32
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:agenttesla family:asyncrat botnet:venom clients collection keylogger rat spyware stealer suricata trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Executes dropped EXE
Async RAT payload
AgentTesla
AsyncRat
suricata: ET MALWARE AgentTesla Exfil Via SMTP
Malware Config
C2 Extraction:
80.66.64.151:7070
Unpacked files
SH256 hash:
c22b5e331196b80175752833fa2fc811d5b74ec686e2cd578e0b71c0aa003967
MD5 hash:
7f55451f6f38e8041e7bdc69de1fc322
SHA1 hash:
55521ff220c454f7bfac0fcee5b7e0881b398cd2
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

AsyncRAT

Executable exe c22b5e331196b80175752833fa2fc811d5b74ec686e2cd578e0b71c0aa003967

(this sample)

  
Delivery method
Distributed via web download

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