MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e
SHA3-384 hash: 35d7fb4763b320e5bb69fb8483a4567eeb9f240f5f9283bc79555bfc1e9602ac0641437e91baab520c1aad490af0baba
SHA1 hash: ed4b7ae58d81a5f178840b054f13693fe76f69f4
MD5 hash: 0b6a022a7852e2e5f1c723341be33ddc
humanhash: west-juliet-south-hamper
File name:0b6a022a7852e2e5f1c723341be33ddc.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:367'616 bytes
First seen:2021-11-02 14:45:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 6144:x/cTvSqv8ylkIdVfmThnPL2hBF5gvv7xepkGwsYfKKcfgZBls:gaqvnyITfEPL2hBFYv7xulbYfcoZz
Threatray 109 similar samples on MalwareBazaar
TLSH T13C748C4673174A16E4286BB0DABB7F110714BE7568624707DEF1B42EE03E6FA3D88706
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 :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
0b6a022a7852e2e5f1c723341be33ddc.exe
Verdict:
Suspicious activity
Analysis date:
2021-11-02 16:43:10 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e4259523-cfdf-49f6-b249-ff2032a05c83

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
asyncrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/201489/
Detection(s):
Win.Dropper.Generic-7113183-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/61814f319982ff7c3f7b0ec7/reports/35dee32f-0231-4511-88f7-7467dafea6bb/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0627598f-28aa-4ec7-b7c3-03955cbbb5ff
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/881416
Signature
.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
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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: 513866 Sample: xXkS59OGX5.exe Startdate: 02/11/2021 Architecture: WINDOWS Score: 100 49 icacxndo.ac.ug 2->49 51 icando.ug 2->51 55 Multi AV Scanner detection for domain / URL 2->55 57 Found malware configuration 2->57 59 Antivirus / Scanner detection for submitted sample 2->59 61 8 other signatures 2->61 9 xXkS59OGX5.exe 4 6 2->9         started        13 fddss.exe 1 2->13         started        15 fddss.exe 2->15         started        signatures3 process4 file5 35 C:\Users\user\AppData\Roaming\fddss.exe, PE32 9->35 dropped 37 C:\Users\user\AppData\Local\Temp\RegAsm.exe, PE32 9->37 dropped 39 C:\Users\user\...\fddss.exe:Zone.Identifier, ASCII 9->39 dropped 41 2 other malicious files 9->41 dropped 63 Writes to foreign memory regions 9->63 65 Allocates memory in foreign processes 9->65 67 Injects a PE file into a foreign processes 9->67 17 wscript.exe 1 9->17         started        21 RegAsm.exe 2 9->21         started        69 Antivirus detection for dropped file 13->69 71 Machine Learning detection for dropped file 13->71 23 RegAsm.exe 13->23         started        25 RegAsm.exe 13->25         started        27 RegAsm.exe 13->27         started        29 RegAsm.exe 15->29         started        signatures6 process7 dnsIp8 43 192.168.2.1 unknown unknown 17->43 53 Wscript starts Powershell (via cmd or directly) 17->53 31 powershell.exe 24 17->31         started        45 icacxndo.ac.ug 194.5.98.107, 49761, 49763, 49764 DANILENKODE Netherlands 21->45 47 icando.ug 21->47 signatures9 process10 process11 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-11-02 14:46:08 UTC
AV detection:
21 of 28 (75.00%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=7tzgyt6pwmwy4gz2f2jvnmuuqampdqmhdcjkwqpahxsosortt4pa._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
0b19c7363002adca6627b79915e7feb2886b9f55c8af305336ef3992171b0978
AsyncRAT
1aa7e747c61a836ade8d1840b7e5b27c6758b4874fce321bb6705beb86ae3f09
AsyncRAT
60333b9138bb30f9a4d5d48a699ad137fe46646b276b55e1dbec71f8cf1b1d2c
AsyncRAT
6ffa008d9c18433dfb729075105f7837874da4b96d22c7718f360558f9aeaa0a
AsyncRAT
8b480ff5797c4d2a4a4c9eeb9207ce3fa89a1d063a72c90faa341e012faf9fd5
AsyncRAT
a1719da11ea685a38cea159bb11ce5b29b1f0377e802f4652f92796e70da7860
AsyncRAT
fae536169514c5730e6d6d6a582fb988341edd4cc1a62b5a2f172e87dd1708c5
AsyncRAT
+ 99 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/211102-r5ayqshhcq/
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:
1d58064f1321ea5d70dc161e21264553cdd01dc8755d1cbfd59cfc5174ecc145
MD5 hash:
c5e8ccafbfbd2aa9a5c3059292096750
SHA1 hash:
f5bbe61ea93b8b553cababe207d61e4966c8c866
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/1532916a-ee8c-4547-87ed-41a9254776d1/
SH256 hash:
1c689abc3582371a1454225debfdfd9feddafd7f06ce68252806eb544b8fb8d2
MD5 hash:
95f599b1c4c45af5441b675a766af350
SHA1 hash:
92f3e6796c4231799ffb21cb3280c2bb2c44ca3d
Link:
https://www.unpac.me/results/1532916a-ee8c-4547-87ed-41a9254776d1/
SH256 hash:
fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e
MD5 hash:
0b6a022a7852e2e5f1c723341be33ddc
SHA1 hash:
ed4b7ae58d81a5f178840b054f13693fe76f69f4
Link:
https://www.unpac.me/results/1532916a-ee8c-4547-87ed-41a9254776d1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e

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 fcf26c4fcfb32d8e1b3a2e9356b2948018f1c1871892ab41e03de4e93a339f1e

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/948787/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/201489/

Comments