MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cabc274ac3286b10f71d65ba8165a24dd28c654bf20dec7f96b5b71dff3964fb. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: cabc274ac3286b10f71d65ba8165a24dd28c654bf20dec7f96b5b71dff3964fb
SHA3-384 hash: d7097c4d459de8a4572cca94c9c5c5561cee8c70ea0d2b1949d7b561cb184993c981697314cf096a5ea7f3c429586e1f
SHA1 hash: dc1e9c054ebd05803ad604ce371fccaee6ac5807
MD5 hash: 4c9662b4fea4b520169b25fe9617e768
humanhash: minnesota-emma-burger-spaghetti
File name:cabc274ac3286b10f71d65ba8165a24dd28c654bf20dec7f96b5b71dff3964fb
Download: download sample
Signature AsyncRAT
File size:1'484'800 bytes
First seen:2020-11-06 10:39:30 UTC
Last seen:2020-11-07 12:48:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash cd6c8cceda8b0e47cf64c5128fde3f69 (17 x Loki, 9 x NanoCore, 8 x AsyncRAT)
ssdeep 24576:LdqOxsk2r38ulhAYcddMaCyQJynnBJHPAj9KUoOYzIo9ULq3:LDCv4mCdSJcf4hKUoOY0uULq3
Threatray 2'394 similar samples on MalwareBazaar
TLSH 5665D02DA2A14837CD632939DC1B57646836BE702F25758E27EF1C489F7D39D3829283
Reporter seifreed
Tags:AsyncRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
52
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Deleting a recently created file
Connection attempt
Unauthorized injection to a system process
Enabling autorun by creating a file
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Contains functionality to detect sleep reduction / modifications
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (creates a PE file in dynamic memory)
Detected unpacking (overwrites its own PE header)
Drops VBS files to the startup folder
Machine Learning detection for sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queues an APC in another process (thread injection)
Sigma detected: Drops script at startup location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 310391 Sample: 73k4dRFewf Startdate: 06/11/2020 Architecture: WINDOWS Score: 100 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected AntiVM_3 2->45 47 Yara detected AsyncRAT 2->47 49 3 other signatures 2->49 8 73k4dRFewf.exe 2->8         started        11 wscript.exe 1 2->11         started        process3 signatures4 51 Detected unpacking (changes PE section rights) 8->51 53 Detected unpacking (creates a PE file in dynamic memory) 8->53 55 Detected unpacking (overwrites its own PE header) 8->55 57 5 other signatures 8->57 13 73k4dRFewf.exe 8->13         started        16 notepad.exe 1 8->16         started        18 73k4dRFewf.exe 11->18         started        process5 signatures6 20 73k4dRFewf.exe 2 13->20         started        23 notepad.exe 1 13->23         started        65 Drops VBS files to the startup folder 16->65 67 Delayed program exit found 16->67 69 Writes to foreign memory regions 18->69 71 Allocates memory in foreign processes 18->71 73 Maps a DLL or memory area into another process 18->73 25 73k4dRFewf.exe 18->25         started        28 notepad.exe 1 18->28         started        process7 dnsIp8 39 52.233.66.100, 49742, 49748, 49763 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 20->39 41 127.0.0.1 unknown unknown 20->41 59 Writes to foreign memory regions 25->59 61 Allocates memory in foreign processes 25->61 63 Maps a DLL or memory area into another process 25->63 30 73k4dRFewf.exe 3 25->30         started        33 notepad.exe 1 25->33         started        signatures9 process10 file11 35 C:\Users\user\AppData\...\73k4dRFewf.exe.log, ASCII 30->35 dropped 37 C:\Users\user\AppData\Roaming\...\Skype.vbs, ASCII 33->37 dropped
Threat name:
Win32.Trojan.LokiBot
Status:
Malicious
First seen:
2020-10-27 22:17:20 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Gathering data
Unpacked files
SH256 hash:
cabc274ac3286b10f71d65ba8165a24dd28c654bf20dec7f96b5b71dff3964fb
MD5 hash:
4c9662b4fea4b520169b25fe9617e768
SHA1 hash:
dc1e9c054ebd05803ad604ce371fccaee6ac5807
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: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.

  
Delivery method
Other

Comments