MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 788c4960013613c29a0be5beaa6caa09bdde346938c52015469d11a04853f924. 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: 17


Intelligence 17 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 788c4960013613c29a0be5beaa6caa09bdde346938c52015469d11a04853f924
SHA3-384 hash: 708e559a10374109b2eddd4580c941463a50a4f391e35308e5075435613723b0b014503031cddbf4e0af560a6686db24
SHA1 hash: 24f7f37d8757fdd255173f7cc03e3ff36e107d05
MD5 hash: a730cdd08558f59a39d8ee68c0f03b8a
humanhash: eight-pip-winner-paris
File name:a730cdd08558f59a39d8ee68c0f03b8a.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:46'592 bytes
First seen:2023-01-25 23:40:44 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 768:Fu2M1TwwL/dWUdU+3mo2qzSaLpLQQkOPILzjbPgXKixKTY8R0Ex9PJsQWNBDZGk:Fu2M1TwQP2NQk3L3b4XzxKTY85x9xEDf
TLSH T1B1231B003BE8812BF2BE4F78ADF25145467EB2633603D64E2CC4519B5613BC69653AFE
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.243.181.86:7707

Intelligence

File Origin
# of uploads :
1
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
a730cdd08558f59a39d8ee68c0f03b8a.exe
Verdict:
Malicious activity
Analysis date:
2023-01-25 23:41:51 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/b6fabb5b-4d8c-4755-990c-0ef68ce6b4b5

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/356917/
Detection(s):
Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9856570-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Creating a window
DNS request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm asyncrat coinminer dcrat fareit floxif njrat packed rat razy samas virus
Link:
https://www.filescan.io/uploads/63d1be0f905a5ac3b908ca3c/reports/28d060b6-4dd6-4a9e-8371-e858c9088eb3/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.
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4cd2109e-403a-4735-a2e1-522d58819deb
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1159189
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
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
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 791926 Sample: fKD7VNjg2O.exe Startdate: 26/01/2023 Architecture: WINDOWS Score: 100 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus detection for dropped file 2->40 42 Antivirus / Scanner detection for submitted sample 2->42 44 9 other signatures 2->44 7 fKD7VNjg2O.exe 7 2->7         started        11 Windows Optimizer.exe 3 2->11         started        process3 file4 30 C:\Users\user\...\Windows Optimizer.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\...\fKD7VNjg2O.exe.log, ASCII 7->32 dropped 48 Protects its processes via BreakOnTermination flag 7->48 50 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->50 13 cmd.exe 1 7->13         started        15 cmd.exe 1 7->15         started        signatures5 process6 signatures7 18 Windows Optimizer.exe 2 13->18         started        22 conhost.exe 13->22         started        24 timeout.exe 1 13->24         started        52 Uses schtasks.exe or at.exe to add and modify task schedules 15->52 26 conhost.exe 15->26         started        28 schtasks.exe 1 15->28         started        process8 dnsIp9 34 server2.raxana.net 185.243.181.86, 8808 BURSABILTR United Kingdom 18->34 36 192.168.2.1 unknown unknown 18->36 46 Protects its processes via BreakOnTermination flag 18->46 signatures10
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/788c4960013613c29a0be5beaa6caa09bdde346938c52015469d11a04853f924/
Threat name:
ByteCode-MSIL.Backdoor.AsyncRAT
Create hunting rule
Status:
Malicious
First seen:
2023-01-22 23:24:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
33 of 39 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcgesyabgyj4fgql4w7ku3fkbg654ndjhdcsafkgtui2asct7esa._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/230125-3pegrsbc62/
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
server2.raxana.net:6606
server2.raxana.net:7707
server2.raxana.net:8808
Unpacked files
SH256 hash:
788c4960013613c29a0be5beaa6caa09bdde346938c52015469d11a04853f924
MD5 hash:
a730cdd08558f59a39d8ee68c0f03b8a
SHA1 hash:
24f7f37d8757fdd255173f7cc03e3ff36e107d05
Detections:
AsyncRAT
Create hunting rule
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/3de70aec-7ea2-4ad2-8fbf-210847b72472/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/788c49600136/report/overview.html
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/788c4960013613c29a0be5beaa6caa09bdde346938c52015469d11a04853f924

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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/356917/

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