MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 26c9ab8fc0a3fe6292881336b6d7393b9e83b5fdf2db876a16145baf84cf6e21. 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 5 File information Comments

SHA256 hash: 26c9ab8fc0a3fe6292881336b6d7393b9e83b5fdf2db876a16145baf84cf6e21
SHA3-384 hash: adc21cb903cdeb7dff0013e20e6e9919dd1948f3f639236582fe3c488602560064d58a24608971c868ef28404e111e48
SHA1 hash: 83e0b1b1dbd45176d5195feb54da8903d734fc46
MD5 hash: d4d4d64dac7699e50ae4ee71c05958a0
humanhash: don-helium-monkey-west
File name:d4d4d64dac7699e50ae4ee71c05958a0.exe
Download: download sample
Signature AsyncRAT
File size:774'144 bytes
First seen:2021-03-13 08:52:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:PLPAfRIYZ7NDpqmNOD+K3SIpX/o2sJ4R1:z4fLL/cyKVR1
Threatray 687 similar samples on MalwareBazaar
TLSH 75F48F7B25EEC9D3E1736AB418802D6E4A75FFFE22C9911830DCB2DAC131F8A95D0165
Reporter abuse_ch
Tags:AsyncRAT exe


Avatar
abuse_ch
AsyncRAT C2:
newcracker.duckdns.org

Intelligence


File Origin
# of uploads :
1
# of downloads :
240
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d4d4d64dac7699e50ae4ee71c05958a0.exe
Verdict:
Malicious activity
Analysis date:
2021-03-13 08:54:16 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
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
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
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
Sigma detected: Scheduled temp file as task from temp location
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 368264 Sample: 5yZUANnEXD.exe Startdate: 13/03/2021 Architecture: WINDOWS Score: 100 59 newcracker.duckdns.org 2->59 65 Found malware configuration 2->65 67 Multi AV Scanner detection for dropped file 2->67 69 Sigma detected: Scheduled temp file as task from temp location 2->69 71 10 other signatures 2->71 11 5yZUANnEXD.exe 7 2->11         started        14 ZARA.exe 3 2->14         started        signatures3 process4 file5 51 C:\Users\user\AppData\Roaming\RwANdje.exe, PE32 11->51 dropped 53 C:\Users\user\...\RwANdje.exe:Zone.Identifier, ASCII 11->53 dropped 55 C:\Users\user\AppData\Local\...\tmpAAF3.tmp, XML 11->55 dropped 57 C:\Users\user\AppData\...\5yZUANnEXD.exe.log, ASCII 11->57 dropped 17 5yZUANnEXD.exe 6 11->17         started        20 schtasks.exe 1 11->20         started        22 5yZUANnEXD.exe 11->22         started        24 audiodg.exe 11->24         started        73 Multi AV Scanner detection for dropped file 14->73 75 Machine Learning detection for dropped file 14->75 signatures6 process7 file8 49 C:\Users\user\AppData\Roaming\ZARA.exe, PE32 17->49 dropped 26 cmd.exe 1 17->26         started        28 cmd.exe 1 17->28         started        30 conhost.exe 20->30         started        process9 process10 32 ZARA.exe 4 26->32         started        34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        38 conhost.exe 28->38         started        40 schtasks.exe 1 28->40         started        process11 42 ZARA.exe 2 32->42         started        45 schtasks.exe 1 32->45         started        dnsIp12 61 newcracker.duckdns.org 79.134.225.21, 49719, 49722, 49723 FINK-TELECOM-SERVICESCH Switzerland 42->61 63 192.168.2.1 unknown unknown 42->63 47 conhost.exe 45->47         started        process13
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-03-12 15:24:24 UTC
File Type:
PE (.Net Exe)
Extracted files:
64
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
newcracker.duckdns.org:8657
79.134.225.21:8657
Unpacked files
SH256 hash:
da3a99534824255ff1ec7683cc02bb4de7086b7ac0d4b69205434638c50510b3
MD5 hash:
ca7979e7723dfb802f49395076754b11
SHA1 hash:
3143a40ad67116cba11d167dc1eaffed6fce4b07
SH256 hash:
26c9ab8fc0a3fe6292881336b6d7393b9e83b5fdf2db876a16145baf84cf6e21
MD5 hash:
d4d4d64dac7699e50ae4ee71c05958a0
SHA1 hash:
83e0b1b1dbd45176d5195feb54da8903d734fc46
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.

Comments