MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7ff833b59d92a0425344bb852d09d7427b88860f824a38c89f89d16e8a9cec11. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 7ff833b59d92a0425344bb852d09d7427b88860f824a38c89f89d16e8a9cec11
SHA3-384 hash: ee455902251f66b5210f76d315aa29bff3c51d903fa13a3ffff456fdd5b7b4011e37d020885b7174f678f8640aeb7512
SHA1 hash: 48d48689c51095880aa7452508f1317a265cacd2
MD5 hash: 6efe747e15ba88f921e8df033394b6ec
humanhash: vermont-neptune-fanta-fanta
File name:6efe747e15ba88f921e8df033394b6ec.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:356'864 bytes
First seen:2021-11-14 07:32:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:2AGXwWtjFZ1ewrmWrGWPRRiP0YkTlqUw9iOvwjUiTcy+kR:gXFx1ew6WygRuUw9iiwjLV+k
Threatray 108 similar samples on MalwareBazaar
TLSH T103747B06230B4A0AF929B7749AB73B214310BF7655665707DDE5702FE03E3BA3AD8742
File icon (PE):PE icon
dhash icon 71e888e8cce869b2 (7 x AsyncRAT, 2 x RemcosRAT, 1 x CoinMiner.XMRig)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
136
Origin country :
n/a
Vendor Threat Intelligence
Detection:
zgRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/205640/
Detection(s):
Win.Dropper.Generic-7113183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a custom TCP request
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a file
Creating a window
Launching a process
Creating a process with a hidden window
DNS request
Connection attempt to an infection source
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Query of malicious DNS domain
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/6190bbb33edf00a722d3498e/reports/bd529379-060d-46be-8768-f6253a143eb9/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:
Suspicious
Link:
https://analyze.intezer.com/analyses/c1d62b57-2c11-4840-bfd0-9320a89eac00
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/888817
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 521290 Sample: RTQFHtPW9x.exe Startdate: 14/11/2021 Architecture: WINDOWS Score: 100 47 icando.ug 2->47 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Antivirus / Scanner detection for submitted sample 2->61 63 8 other signatures 2->63 9 RTQFHtPW9x.exe 4 7 2->9         started        13 casda.exe 2 2->13         started        15 casda.exe 2->15         started        signatures3 process4 file5 39 C:\Users\user\AppData\Roaming\casda.exe, PE32 9->39 dropped 41 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 9->41 dropped 43 C:\Users\user\...\casda.exe:Zone.Identifier, ASCII 9->43 dropped 45 2 other malicious files 9->45 dropped 65 Writes to foreign memory regions 9->65 67 Allocates memory in foreign processes 9->67 69 Injects a PE file into a foreign processes 9->69 17 wscript.exe 1 9->17         started        20 RegAsm.exe 2 9->20         started        23 conhost.exe 9->23         started        25 RegAsm.exe 9->25         started        71 Antivirus detection for dropped file 13->71 73 Multi AV Scanner detection for dropped file 13->73 27 conhost.exe 13->27         started        29 RegAsm.exe 13->29         started        31 conhost.exe 15->31         started        33 RegAsm.exe 15->33         started        signatures6 process7 dnsIp8 55 Wscript starts Powershell (via cmd or directly) 17->55 35 powershell.exe 26 17->35         started        49 icacxndo.ac.ug 194.5.98.107, 49764, 49770, 49774 DANILENKODE Netherlands 20->49 51 icando.ug 20->51 53 192.168.2.1 unknown unknown 20->53 signatures9 process10 process11 37 conhost.exe 35->37         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7ff833b59d92a0425344bb852d09d7427b88860f824a38c89f89d16e8a9cec11/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-11-14 03:19:05 UTC
AV detection:
18 of 28 (64.29%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=p74dhnm5skqeeu2exocs2coxij5yrbqpqjfdrse7rhiw5cu45qiq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0b19c7363002adca6627b79915e7feb2886b9f55c8af305336ef3992171b0978
AsyncRAT
5d3d32ee309bc3687631ad92beab3b5d3490318b969d4e9ba72d6b1c985ffe87
AsyncRAT
8b480ff5797c4d2a4a4c9eeb9207ce3fa89a1d063a72c90faa341e012faf9fd5
AsyncRAT
d60c9957cdbed60b3f054a942fe9878d23283f6662d16888695adc5e7b3e951e
AsyncRAT
ec595d4dcafdd37725beb193c59e9b5b512214e047b1e5f768beb5317ab0ef5b
AsyncRAT
fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e
AsyncRAT
+ 98 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/211114-jdnrhsgaf9/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
3e049f5a81c02ccd31e3b7da58817d50c7030127674a29f1307d52a062d67136
MD5 hash:
ccdc136e6dc46267aef59209382995b1
SHA1 hash:
da8ac8df1346f21704593556778829e29ade8b81
Link:
https://www.unpac.me/results/b89eecf3-2a0d-42c5-9ab2-2b91d6013e18/
SH256 hash:
31f85e38682c3907ea276e9f9d2e5aaa10c7198a9beba88bc3fdce2500efaaa5
MD5 hash:
e4d9f0d8c9b955664bbd15c5c6d3fbc9
SHA1 hash:
1658a937efc4f5fd244b5ffd97a010e520d09087
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/b89eecf3-2a0d-42c5-9ab2-2b91d6013e18/
SH256 hash:
7ff833b59d92a0425344bb852d09d7427b88860f824a38c89f89d16e8a9cec11
MD5 hash:
6efe747e15ba88f921e8df033394b6ec
SHA1 hash:
48d48689c51095880aa7452508f1317a265cacd2
Link:
https://www.unpac.me/results/b89eecf3-2a0d-42c5-9ab2-2b91d6013e18/
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
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:MALWARE_Win_zgRAT
Create hunting rule
Author:ditekSHen
Description:Detects zgRAT
Rule name:pe_imphash
Create hunting rule
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
Rule name:win_asyncrat_w0
Create hunting rule
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 7ff833b59d92a0425344bb852d09d7427b88860f824a38c89f89d16e8a9cec11

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948787/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/205640/

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