MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e2fceae16b2385a8e596aea841a593482101741ab8f1a3344b95d001dd9ea0e6. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments

SHA256 hash: e2fceae16b2385a8e596aea841a593482101741ab8f1a3344b95d001dd9ea0e6
SHA3-384 hash: a3d17d7c5bd0f76ee823490238c220ea27acd5b9e0d50fa8907e53b351cd5c544b483ecac4ba0ea708e8968c805fb30d
SHA1 hash: fdd38066bb0a889d923b9b6ff6a8adcb0bca65cb
MD5 hash: 4813bbedfb4ac4c6b9819c3e0b09ae4c
humanhash: kentucky-florida-mockingbird-artist
File name:4813bbedfb4ac4c6b9819c3e0b09ae4c.exe
Download: download sample
Signature AsyncRAT
File size:375'831 bytes
First seen:2021-11-24 18:38:02 UTC
Last seen:2021-11-24 21:05:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGihL1FoUe/5kNiSxj+ProHMJV2gBLOqxIPdZanPkfTPW/XvFarSVkXkfMN:JoO+PM4tp9xIPdZaPkqn5kXkfY
Threatray 1'768 similar samples on MalwareBazaar
TLSH T15F842317DB8859F3E3D409B62EBBB7B8EB775091C1184A46E3746F23694728B0C14753
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
171
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
4813bbedfb4ac4c6b9819c3e0b09ae4c.exe
Verdict:
Malicious activity
Analysis date:
2021-11-24 21:19:13 UTC
Tags:
installer

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

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Sending a custom TCP request
DNS request
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Launching a process
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
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 GhostRat
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Injects a PE file into a foreign processes
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 GhostRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 528156 Sample: Zkb2VENJ38.exe Startdate: 24/11/2021 Architecture: WINDOWS Score: 96 54 Found malware configuration 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 Yara detected GhostRat 2->58 60 3 other signatures 2->60 9 Zkb2VENJ38.exe 17 2->9         started        13 images.exe 16 2->13         started        process3 file4 40 C:\Users\user\AppData\Local\...\jaizf.dll, PE32 9->40 dropped 64 Injects a PE file into a foreign processes 9->64 15 Zkb2VENJ38.exe 7 9->15         started        42 C:\Users\user\AppData\Local\...\jaizf.dll, PE32 13->42 dropped 66 Multi AV Scanner detection for dropped file 13->66 18 images.exe 2 13->18         started        signatures5 process6 dnsIp7 46 C:\Users\user\AppData\Roaming\images.exe, PE32 15->46 dropped 48 C:\Users\user\AppData\...\Zkb2VENJ38.exe.log, ASCII 15->48 dropped 21 cmd.exe 1 15->21         started        23 cmd.exe 1 15->23         started        50 185.19.85.136, 49764, 49819, 49843 DATAWIRE-ASCH Switzerland 18->50 52 192.168.2.7, 443, 49685, 49686 unknown unknown 18->52 file8 process9 signatures10 26 images.exe 16 21->26         started        30 conhost.exe 21->30         started        32 timeout.exe 1 21->32         started        62 Uses schtasks.exe or at.exe to add and modify task schedules 23->62 34 conhost.exe 23->34         started        36 schtasks.exe 1 23->36         started        process11 file12 44 C:\Users\user\AppData\Local\...\jaizf.dll, PE32 26->44 dropped 68 Injects a PE file into a foreign processes 26->68 38 images.exe 3 26->38         started        signatures13 process14
Threat name:
Win32.Backdoor.Crysan
Status:
Malicious
First seen:
2021-11-24 18:38:21 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 44 (38.64%)
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
NSIS installer
Enumerates physical storage devices
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
e2fceae16b2385a8e596aea841a593482101741ab8f1a3344b95d001dd9ea0e6
MD5 hash:
4813bbedfb4ac4c6b9819c3e0b09ae4c
SHA1 hash:
fdd38066bb0a889d923b9b6ff6a8adcb0bca65cb
Malware family:
AsyncRAT
Verdict:
Malicious
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:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
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.

Web download

AsyncRAT

Executable exe e2fceae16b2385a8e596aea841a593482101741ab8f1a3344b95d001dd9ea0e6

(this sample)

  
Delivery method
Distributed via web download

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