MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4613ade02fe531898edecde3047f46589d57743420d4344cf98743a71b5b107. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4613ade02fe531898edecde3047f46589d57743420d4344cf98743a71b5b107
SHA3-384 hash: 62235d4772e32818045caeb717429c4761277ff4267a2fb6915e0cec71e7ad53564ee6455c1b2aa6977c6513b99ff3f1
SHA1 hash: 9cfe7ca442327b99632d58f130adc769644f379e
MD5 hash: 378fdcc53b06d5e785496502dc419a94
humanhash: music-october-cardinal-johnny
File name:378fdcc53b06d5e785496502dc419a94.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:389'392 bytes
First seen:2021-12-02 09:46:52 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7fa974366048f9c551ef45714595665e (946 x Formbook, 398 x Loki, 261 x AgentTesla)
ssdeep 6144:rGi1tLN4nT7VMeJQBYLOHUmmmGL5EgibtNQCvUAzdfFBxMhuaRd3NHX05:RFN4tWvHU/RL5Egi84fFjcuwi5
Threatray 1'709 similar samples on MalwareBazaar
TLSH T152842316C2D0697BD9906E796A3D83E4837CDC8E41D78B8BDB202DE10D781D319F939A
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 :
1
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
378fdcc53b06d5e785496502dc419a94.exe
Verdict:
Malicious activity
Analysis date:
2021-12-02 10:03:15 UTC
Tags:
installer
Link:
https://app.any.run/tasks/5b72fb66-f2c0-40d4-8f86-3cc9faeba44b

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/210635/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
DNS request
Сreating synchronization primitives
Sending a custom TCP request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/515/overview
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed
Link:
https://www.filescan.io/uploads/61a89618f9d950eb11b677c2/reports/13ca60f3-57b9-4f40-8270-72060c9b76f9/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/8f729a84-e6ce-44c2-9d81-1f2fcdeac4ef
Result
Threat name:
AsyncRAT GhostRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/900034
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 532510 Sample: mzSVrYKRrI.exe Startdate: 02/12/2021 Architecture: WINDOWS Score: 96 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Yara detected GhostRat 2->56 58 3 other signatures 2->58 9 mzSVrYKRrI.exe 17 2->9         started        13 images.exe 16 2->13         started        process3 file4 40 C:\Users\user\AppData\...\eswguhhewom.dll, PE32 9->40 dropped 62 Injects a PE file into a foreign processes 9->62 15 mzSVrYKRrI.exe 7 9->15         started        42 C:\Users\user\AppData\...\eswguhhewom.dll, PE32 13->42 dropped 64 Multi AV Scanner detection for dropped file 13->64 18 images.exe 2 13->18         started        signatures5 process6 dnsIp7 46 C:\Users\user\AppData\Roaming\images.exe, PE32 15->46 dropped 21 cmd.exe 1 15->21         started        23 cmd.exe 1 15->23         started        48 185.19.85.136, 49763, 6060 DATAWIRE-ASCH Switzerland 18->48 50 192.168.2.5, 443, 49687, 49701 unknown unknown 18->50 file8 process9 signatures10 26 images.exe 16 21->26         started        30 conhost.exe 21->30         started        32 timeout.exe 1 21->32         started        60 Uses schtasks.exe or at.exe to add and modify task schedules 23->60 34 conhost.exe 23->34         started        36 schtasks.exe 1 23->36         started        process11 file12 44 C:\Users\user\AppData\...\eswguhhewom.dll, PE32 26->44 dropped 66 Injects a PE file into a foreign processes 26->66 38 images.exe 3 26->38         started        signatures13 process14
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/a4613ade02fe531898edecde3047f46589d57743420d4344cf98743a71b5b107/
Threat name:
Win32.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2021-12-02 09:47:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 28 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=urqtvxqc7zjrrghn5tpdar7umwe5k52diigugrgptb2du4nvwedq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
2edc93f84e6911e5b86040964715868c82eb28c2b48cdbb2c72dee60cfe2f792
AsyncRAT
3fc088801ab2f099697d8bb5896a38bf42ef31b1da484d4383ecfc85fde1136e
AsyncRAT
4b0daee330f56dd0578f2a7fdd845e6d4cd51153af10c1495b371f6b1647410a
AsyncRAT
4d13e663aebabe2376c4f231356688108b5a124e0aafbc1717efa9f82e23f2b2
AsyncRAT
5f2ff12584a99c9720d27bf219ec4691f80ea258d71e391ca28f4590f360a775
AsyncRAT
7ba9f473a65c0fd3cebc9527d9d4db323829e4d304585eb21c917b77e2dc17ec
AsyncRAT
9ee67445d4ffeedd7c11e1e14949bf0f6060f34352e3f2c8d2184ffe0b4d235f
AsyncRAT
c26429ea099c658681c02292a326ca928f1db7df39239775bfb0ae9b4b2d1889
AsyncRAT
c9213e873f60119cb2c12c2343a9160b8f051748fb516c15d0ed7c31c07c0cd2
AsyncRAT
eb918b8f920a7f710cbd2460ba6132a177996912cc0ef6144ac824e3e37e4fdb
AsyncRAT
+ 1'699 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat suricata
Link:
https://tria.ge/reports/211202-lr7gwsebgj/
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
suricata: ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server)
Unpacked files
SH256 hash:
a4613ade02fe531898edecde3047f46589d57743420d4344cf98743a71b5b107
MD5 hash:
378fdcc53b06d5e785496502dc419a94
SHA1 hash:
9cfe7ca442327b99632d58f130adc769644f379e
Link:
https://www.unpac.me/results/379e0884-fa00-4639-8d29-4700635ed68d/
Malware family:
AsyncRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a4613ade02fe/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/a4613ade02fe531898edecde3047f46589d57743420d4344cf98743a71b5b107

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:JPCERT/CC Incident Response Group
Description:detect AsyncRat in memory
Reference:internal research
Rule name:INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse
Create hunting rule
Author:ditekSHen
Description:Detects file containing reversed ASEP Autorun registry keys
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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.

Web download

AsyncRAT

Executable exe a4613ade02fe531898edecde3047f46589d57743420d4344cf98743a71b5b107

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1813563/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/210635/

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