MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bc0c6f07b05e4c29bae36fedd9e58e1cd0148d777a68d50ec5104567d9e3ce43. 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


Intelligence 9 IOCs YARA 5 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bc0c6f07b05e4c29bae36fedd9e58e1cd0148d777a68d50ec5104567d9e3ce43
SHA3-384 hash: 98301e316aca4dd00563b760fc92b461b813454e895790d9a3b3357bb5de491c3aaf6c4b05fa3446051b4fbb976839ef
SHA1 hash: 7959aeda9d64e19b9eeed15003c49a0c62eadf45
MD5 hash: 5cdfcd6d591946dec15cec637f7826e6
humanhash: georgia-lake-winter-equal
File name:5cdfcd6d591946dec15cec637f7826e6
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:316'928 bytes
First seen:2022-02-10 20:18:36 UTC
Last seen:2022-02-10 22:50:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'809 x AgentTesla, 19'725 x Formbook, 12'280 x SnakeKeylogger)
ssdeep 6144:UbYgIa81soU2OUsq22daUBthXUrwH6iYctqYKApSDsH252H4SH9xXNaljb5jiuP7:fR1vU2ns2aUBMkHT/MYKApSDsH252H4G
Threatray 7'055 similar samples on MalwareBazaar
TLSH T14564F0991EADC050D665C67BCAF38AF70321CD61C583CA4FC50A3CA63ABB332AD550E5
File icon (PE):PE icon
dhash icon 16174db2a88e9620 (26 x BitRAT, 16 x AsyncRAT, 9 x AveMariaRAT)
Reporter zbetcheckin
Tags:32 AsyncRAT exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
286
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/240756/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader44.36896.10444.2887.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
DNS request
Running batch commands
Sending a custom TCP request
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6205734154047500bb3cb941/reports/94636506-93df-496d-8e59-b919acafd0ce/overview
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:
Malicious
Link:
https://analyze.intezer.com/analyses/de194f20-d537-4b19-b6f0-4fa1b800dbb9
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/937958
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Encrypted powershell cmdline option found
Found malware configuration
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 dropped file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 570432 Sample: zL3ApHx7Ea Startdate: 10/02/2022 Architecture: WINDOWS Score: 100 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Antivirus / Scanner detection for submitted sample 2->57 59 6 other signatures 2->59 8 zL3ApHx7Ea.exe 1 4 2->8         started        12 gkn.exe 1 2->12         started        14 gkn.exe 1 2->14         started        process3 file4 45 C:\Users\user\AppData\Roaming\gkn.exe, PE32 8->45 dropped 47 C:\Users\user\...\gkn.exe:Zone.Identifier, ASCII 8->47 dropped 49 C:\Users\user\AppData\...\zL3ApHx7Ea.exe.log, ASCII 8->49 dropped 61 Encrypted powershell cmdline option found 8->61 63 Writes to foreign memory regions 8->63 65 Allocates memory in foreign processes 8->65 67 Injects a PE file into a foreign processes 8->67 16 RegAsm.exe 2 8->16         started        19 powershell.exe 9 8->19         started        21 RegAsm.exe 8->21         started        69 Antivirus detection for dropped file 12->69 71 Multi AV Scanner detection for dropped file 12->71 73 Machine Learning detection for dropped file 12->73 23 powershell.exe 8 12->23         started        25 powershell.exe 14->25         started        signatures5 process6 dnsIp7 51 212.193.30.54, 49786, 49788, 49790 SPD-NETTR Russian Federation 16->51 27 cmd.exe 1 19->27         started        29 conhost.exe 19->29         started        31 cmd.exe 23->31         started        33 conhost.exe 23->33         started        35 cmd.exe 25->35         started        37 conhost.exe 25->37         started        process8 process9 39 timeout.exe 1 27->39         started        41 timeout.exe 1 31->41         started        43 timeout.exe 1 35->43         started       
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/bc0c6f07b05e4c29bae36fedd9e58e1cd0148d777a68d50ec5104567d9e3ce43/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2022-02-10 20:17:39 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
22 of 27 (81.48%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0a05f8788ca28d5f4e2ad838a36f83107326d3021fc5bc9824fe2c47dfd07712
AsyncRAT
0c323c02db0a52d9a1764a74e3cb5a7bcc8e7b9839160179a772de3a6bc8cf26
AsyncRAT
2db9c7811679d1b6d646220a908423199a4ae1d876ddb60189e8bc1c9bba74e9
AsyncRAT
5468fe6c4a8a65ed2e4e3c101c8fd0191b9773acc51ae61da6d446057958511b
AsyncRAT
5cc0900c9ec86120d00632b859c3ff0d03bff355db901ba7a1d87672fa096707
AsyncRAT
8e3079b83ab70db97e2508e7a9a57a8a5ce124b1524c6a64867b5ff33edcbdca
AsyncRAT
959e3ca2579b6be8a11c06763c5a34ec118abc96d869e25bef06319c92da465e
AsyncRAT
b086a8ed459f06adf11cdadcba62c689c178975063659e6b5c153844d1f25ac3
AsyncRAT
+ 7'045 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:1 persistence rat
Link:
https://tria.ge/reports/220210-y3vcxshce3/
Behaviour
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
212.193.30.54:8754
Unpacked files
SH256 hash:
0e2482fcb272db38b8b59f7a94ca99fd8f684d5f43b3a36610964c8fdbc9644b
MD5 hash:
98140390fc0e28f8e030e08463da475c
SHA1 hash:
ac7ad2b810b9682209fd995d5a3e59fd117e5a5c
Link:
https://www.unpac.me/results/f5b5f227-c9af-4ea9-8d01-ed352aa233bb/
SH256 hash:
662394d73002f4146f56254df739db2025fc1fda40a41ee07295cd4039b56234
MD5 hash:
43b456b8928e177d5a54f3bd982f3a66
SHA1 hash:
eac0f6f010f7c52d01106fa14187c498be214b9a
Link:
https://www.unpac.me/results/f5b5f227-c9af-4ea9-8d01-ed352aa233bb/
SH256 hash:
bc0c6f07b05e4c29bae36fedd9e58e1cd0148d777a68d50ec5104567d9e3ce43
MD5 hash:
5cdfcd6d591946dec15cec637f7826e6
SHA1 hash:
7959aeda9d64e19b9eeed15003c49a0c62eadf45
Link:
https://www.unpac.me/results/f5b5f227-c9af-4ea9-8d01-ed352aa233bb/
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:exec_macros
Create hunting rule
Author:ddvvmmzz
Description:exec macros
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Typical_Malware_String_Transforms
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
Reference:Internal Research
Rule name:Typical_Malware_String_Transforms_RID3473
Create hunting rule
Author:Florian Roth
Description:Detects typical strings in a reversed or otherwise modified form
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 bc0c6f07b05e4c29bae36fedd9e58e1cd0148d777a68d50ec5104567d9e3ce43

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2039923/
Cape
Cape
https://www.capesandbox.com/analysis/240756/

Comments


Avatar
zbet commented on 2022-02-10 20:18:40 UTC

url : hxxp://ddl8.data.hu/get/317559/13199771/Rtzutvzk.exe