MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e54c38c8d43f2a11ac1c997438d4586a3270f1545f8ef02b8992ebc35005823c. 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: 16


Intelligence 16 IOCs YARA 24 File information Comments

SHA256 hash: e54c38c8d43f2a11ac1c997438d4586a3270f1545f8ef02b8992ebc35005823c
SHA3-384 hash: 8cd3c6579ecfb2ac1dfb958c09270f3d9ab576676ae173c17d884756802bc180841ef419c9fa593caa0974d9fbb40c80
SHA1 hash: 41d7143f06a9fe53b6d8fda2b6d7c629c7a7a133
MD5 hash: 17f89183d951f5ea258d8d242368a3d8
humanhash: michigan-march-victor-table
File name:17f89183d951f5ea258d8d242368a3d8.exe
Download: download sample
Signature AsyncRAT
File size:626'772 bytes
First seen:2023-09-30 17:06:52 UTC
Last seen:2023-10-04 15:52:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 12288:NcrNS33L10QdrXjZDnDLRH6/cOOScBEcmJE28syNM34odu+K:wNA3R5drX1DDLRHMncBeFySIodrK
Threatray 1'823 similar samples on MalwareBazaar
TLSH T155D4F102F7D684B2E5730A354939BB10697DBD201F34DA1FA3D8796CDA32191A231FA7
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0c4d0c052d0d0d01 (6 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
AsyncRAT C2:
185.225.73.105:7896

Intelligence


File Origin
# of uploads :
2
# of downloads :
321
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% directory
Running batch commands
Creating a process from a recently created file
Creating a file
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Gathering data
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware lolbin overlay packed replace setupapi shdocvw shell32
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
Connects to many ports of the same IP (likely port scanning)
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AsyncRAT
Yara detected Generic Downloader
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1317298 Sample: ZIQrXQiAZX.exe Startdate: 30/09/2023 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 66 Yara detected AsyncRAT 2->66 68 2 other signatures 2->68 12 ZIQrXQiAZX.exe 9 2->12         started        15 cesr.exe 1 2->15         started        process3 file4 56 C:\Users\user\AppData\...\jzfjgshg.sfx.exe, PE32 12->56 dropped 18 cmd.exe 1 12->18         started        82 Multi AV Scanner detection for dropped file 15->82 84 Machine Learning detection for dropped file 15->84 86 Injects a PE file into a foreign processes 15->86 88 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 15->88 21 cesr.exe 15->21         started        signatures5 process6 signatures7 70 Uses schtasks.exe or at.exe to add and modify task schedules 18->70 23 jzfjgshg.sfx.exe 8 18->23         started        26 conhost.exe 18->26         started        process8 file9 54 C:\Users\user\AppData\Local\...\jzfjgshg.exe, PE32 23->54 dropped 28 jzfjgshg.exe 1 23->28         started        process10 signatures11 74 Multi AV Scanner detection for dropped file 28->74 76 Machine Learning detection for dropped file 28->76 78 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 28->78 80 Injects a PE file into a foreign processes 28->80 31 jzfjgshg.exe 6 28->31         started        process12 file13 58 C:\Users\user\AppData\Roaming\cesr.exe, PE32 31->58 dropped 34 cmd.exe 1 31->34         started        36 cmd.exe 1 31->36         started        38 backgroundTaskHost.exe 31->38         started        process14 process15 40 cesr.exe 34->40         started        43 conhost.exe 34->43         started        45 timeout.exe 1 34->45         started        47 conhost.exe 36->47         started        49 schtasks.exe 1 36->49         started        signatures16 72 Injects a PE file into a foreign processes 40->72 51 cesr.exe 40->51         started        process17 dnsIp18 60 mloptuytonroyem.sytes.net 185.225.73.105, 49786, 49794, 49796 MAYAKBG Germany 51->60
Threat name:
Win32.Backdoor.AsyncRAT
Status:
Malicious
First seen:
2023-09-29 22:00:42 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
18 of 38 (47.37%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat botnet:default8 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
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
185.225.73.105:8675
185.225.73.105:7896
mloptuytonroyem.sytes.net:8675
mloptuytonroyem.sytes.net:7896
Unpacked files
SH256 hash:
028a71745398f8d3a16793ba28cdb4baa9abd74d3a06e42398cc902ccfa9c080
MD5 hash:
d2d75bdac2a7638050c8fb161a3e4ef5
SHA1 hash:
f5248be11c3bff49040fdc4c2dea77060861d686
SH256 hash:
1359f2e65e6fce533b7ab01089b02a95f94b2f73e80a76dc1613fb881b58737f
MD5 hash:
3886787a6ba8a5edb7bd00c189b175ca
SHA1 hash:
904517c9f084a8b2123203cc2a8cb0b7178d35ab
SH256 hash:
36aa7b1736959f514f95f44b7dd259ad3a7635c85e8a414b2e064bc5c8521d7e
MD5 hash:
8e1639e698b67bec37129189d5a3f0e2
SHA1 hash:
6b96febd05029bc57e3c6a1c38f2925ba59ba7f3
Detections:
AsyncRAT win_asyncrat_w0
SH256 hash:
e54c38c8d43f2a11ac1c997438d4586a3270f1545f8ef02b8992ebc35005823c
MD5 hash:
17f89183d951f5ea258d8d242368a3d8
SHA1 hash:
41d7143f06a9fe53b6d8fda2b6d7c629c7a7a133
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:kevoreilly, JPCERT/CC Incident Response Group
Description:AsyncRat Payload
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:malware_asyncrat
Author:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:MAL_AsnycRAT
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:MAL_AsyncRAT_Config_Decryption
Author:SECUINFRA Falcon Team
Description:Detects AsnycRAT based on it's config decryption routine
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_DOTNET_PE_List_AV
Author:SECUINFRA Falcon Team
Description:Detecs .NET Binary that lists installed AVs
Rule name:SUSP_Reverse_Run_Key
Author:SECUINFRA Falcon Team
Description:Detects a Reversed Run Key
Rule name:Windows_Trojan_Asyncrat_11a11ba1
Author:Elastic Security
Rule name:win_asyncrat_j1
Author:Johannes Bader @viql
Description:detects AsyncRAT
Rule name:win_asyncrat_unobfuscated
Author:Matthew @ Embee_Research
Description:Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)
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