MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47. 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: 14


Intelligence 14 IOCs YARA 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47
SHA3-384 hash: 1db936e8adad065c1af0fbd930458a643967fb9e07d155c75af06ab7016af8b91cd1bb75a930cf3084d4a7192a014c08
SHA1 hash: 5f4a08ac4503de685532cd2a6dfaf50b8f65840a
MD5 hash: 003f754df5f0cf744df28ae5e0b7788a
humanhash: zulu-april-jersey-football
File name:DHL0038747896.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:1'148'928 bytes
First seen:2022-06-22 07:30:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 24576:B1YivcYiOw9F0vw9FEY9lw9FDOu1uxKX01dqWrYiOw9F0cYiDw9F0cYiOw9F0uhy:BFvSOGGvGDlGhOu1ux001djOGGSDGGSk
TLSH T1C335D5A0C9AEBCC3E427597927B59343142092BBFD7E195E28716C18B8BC5C361F6C4B
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon d474b68cac96b28a (2 x NetWire, 1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT DHL exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
AsyncRat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/282212/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
DNS request
Using the Windows Management Instrumentation requests
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62b2c57997d86eb27b1c6e7a/reports/93dbd822-2249-4328-9c38-04293dd4976c/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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/aa75b00c-d8f0-43bf-af01-98956f495322
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1017708
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-06-22 06:55:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
70
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=eejreucenifkww5itjeoemdjtx36dtmq2ux36z5yvk6kjim5hjdq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat botnet:default rat
Link:
https://tria.ge/reports/220622-jcdj6aaegl/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
xman2.duckdns.org:3110
Unpacked files
SH256 hash:
ecd7d45375ea7ca2bbf03b6336217f8d70fbb146b776a6f7e225107b93ca09bb
MD5 hash:
a0bdc6b925d8a099e959b70779e069f1
SHA1 hash:
def8561cfa9bb43e6096be81e149bc6cba371d3f
Link:
https://www.unpac.me/results/ce233e60-c9b1-4c93-8438-d3eb22dfa01b/
SH256 hash:
0cb6aef1fa57d11408e47ae071485ef8f48c2982997b8d74b47a4151d85b978c
MD5 hash:
843aa6edf83bff7b61c6a5369ef41e95
SHA1 hash:
d1bfeec8eaac9a1dacf2f7062ce964d8e7d77085
Link:
https://www.unpac.me/results/ce233e60-c9b1-4c93-8438-d3eb22dfa01b/
SH256 hash:
cfafc87f0224d77f2c5e75dda099db1e224366e37cd880e4dcd5dd18400f49b4
MD5 hash:
a838d6e3ea8655583c728c412ccfb9f1
SHA1 hash:
54580af7650f37edb0d15c5b042680c7396e234c
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/ce233e60-c9b1-4c93-8438-d3eb22dfa01b/
Parent samples :
21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47
eb0ad6ad552aafd93a665862dec70bc3760aecc11d4c93d07e844ecd0c293d1c
98757d38bdbe966a734be8f2ee396d8df92c9cf9b22da68c11d474cd052f8236
4dbe4f649e82b3d3153da173720bbf25f3e2df5241f43e1a11033ce4215af9b4
15bef4692b874ffeab6b3590aa55292e5a6d992236f885fd84719d95e92767dd
37909e5f02b192e283e463bd054396e7d48fa6090abc5ac4176956deda5c7f2f
SH256 hash:
a275d4838ff6e9eb2f28c7ca35636d39404bd325f8756888a8728e2c772bb9fa
MD5 hash:
b287d2110f781483d7c6809f6fed866a
SHA1 hash:
47d85df897fc2483021d9b004fd0ecccb57f588d
Link:
https://www.unpac.me/results/ce233e60-c9b1-4c93-8438-d3eb22dfa01b/
SH256 hash:
880c9ff80de33cde042ab26d75677dab18fdc7695908d615c44efa8b5d8e088a
MD5 hash:
07e1e5baea35d75e784cce3b991a5fdc
SHA1 hash:
2f5cd9ad4acec13ddb49f9d69093f9fe475342c2
Link:
https://www.unpac.me/results/ce233e60-c9b1-4c93-8438-d3eb22dfa01b/
SH256 hash:
21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47
MD5 hash:
003f754df5f0cf744df28ae5e0b7788a
SHA1 hash:
5f4a08ac4503de685532cd2a6dfaf50b8f65840a
Link:
https://www.unpac.me/results/ce233e60-c9b1-4c93-8438-d3eb22dfa01b/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/21131250446a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47

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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:exploit_any_poppopret
Create hunting rule
Author:Jeff White [karttoon@gmail.com] @noottrak
Description:Identify POP -> POP -> RET opcodes for quick ROP Gadget creation in target binaries.
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:malware_asyncrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
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:SUSP_DOTNET_PE_List_AV
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:win_asyncrat_j1
Create hunting rule
Author:Johannes Bader @viql
Description:detects AsyncRAT
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.

Malspam

AsyncRAT

Executable exe 21131250446a0aab5ba89a48e230699df7e1cd90d52fbf67b8aabca4a19d3a47

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/282212/

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