MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3266a27bd3bb930017aa09bc7483ab2e047292b47f9d9c5796c02fa566d00cfe. 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


Intelligence 7 IOCs YARA 6 File information Comments

SHA256 hash: 3266a27bd3bb930017aa09bc7483ab2e047292b47f9d9c5796c02fa566d00cfe
SHA3-384 hash: 8015b3ed17ff51bbbb141e5f5edd42f44b90cdea033dc88f94e8b5ec46335d9d36d47908ff3a6b71431dd62283edf747
SHA1 hash: 62c9d1b5c489133cbc0f19f3902724847bbfd765
MD5 hash: dccd2f6a61f8d95552863b537f2b6698
humanhash: lamp-lion-lima-neptune
File name:dccd2f6a61f8d95552863b537f2b6698.exe
Download: download sample
Signature AsyncRAT
File size:1'143'808 bytes
First seen:2021-02-22 19:19:49 UTC
Last seen:2021-02-22 20:29:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:GRe0EHIOjYgydfAv9kmIdffnlyMNZVjswXXyyWp+X117FlTxvrvt:TVydf2IdffY+rwwX77FlTxR
Threatray 765 similar samples on MalwareBazaar
TLSH 023519526218AF3EE03D873784645A1D93F9ED06D361DE2B3CE471EFD8A1F50AB41622
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
153
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Scheduled temp file as task from temp location
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-02-22 16:54:54 UTC
AV detection:
10 of 28 (35.71%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat evasion rat
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Looks for VMWare Tools registry key
Async RAT payload
Looks for VirtualBox Guest Additions in registry
AsyncRat
Malware Config
C2 Extraction:
greatestyear2021.ddns.net:5000
Unpacked files
SH256 hash:
e624003658c4f8b349f567c82229fd15d1e63d3d20fe6f7b4388403038cd2a44
MD5 hash:
b6ce7c1d81b9271eab825ea63de154c3
SHA1 hash:
0e7b89555314f8908c1098b652c9bf50e5ecc27b
SH256 hash:
3266a27bd3bb930017aa09bc7483ab2e047292b47f9d9c5796c02fa566d00cfe
MD5 hash:
dccd2f6a61f8d95552863b537f2b6698
SHA1 hash:
62c9d1b5c489133cbc0f19f3902724847bbfd765
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:asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:ClamAV_Emotet_String_Aggregate
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_w0
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research

File information


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

Web download

AsyncRAT

Executable exe 3266a27bd3bb930017aa09bc7483ab2e047292b47f9d9c5796c02fa566d00cfe

(this sample)

  
Delivery method
Distributed via web download

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