MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eaf087b8fe0cf69bed568070ae460d63483525842d4c84c7750ef87c4985e622. 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: 12


Intelligence 12 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: eaf087b8fe0cf69bed568070ae460d63483525842d4c84c7750ef87c4985e622
SHA3-384 hash: 85fefec2bf73f19be5a6a8521b4f4d7fbebcba5237b32c81dc42efb6e2f64d9980971303e6f662cc13665dc985124daf
SHA1 hash: 5d0cf2954a43c613f270ee9c6ea2e74798787725
MD5 hash: 7b25379caa4340a714b210dfd01fd5f9
humanhash: robert-sodium-zebra-winter
File name:stub.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:48'640 bytes
First seen:2021-06-21 15:19:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:quwCfTg46YbWUn8jjmo2qrVOhzTehhoBgFyT1BPIfmRZN0bepJYUhU5r3R0vXN0u:quwCfTgp/2rhVYi8e+bepJbhUx3Rq6+L
Threatray 897 similar samples on MalwareBazaar
TLSH CE233C003BE9823BF2BF4F786DF32255467AF1673603D5491CD4429A5A13FC29A426FA
Reporter James_inthe_box
Tags:AsyncRAT exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
135
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
stub.exe
Verdict:
Malicious activity
Analysis date:
2021-06-21 15:22:48 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/decabf65-43d3-4d2d-9c12-687309a10695

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/167324/
Detection(s):
Win.Packed.Samas-7998113-0
Create hunting rule

Win.Packed.Razy-9625918-0
Create hunting rule

Win.Packed.AsyncRAT-9861056-1
Create hunting rule

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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7db96375-022e-4327-adaf-cc08f457781f
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/805426
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Found malware configuration
Machine Learning detection for sample
Multi AV Scanner detection for submitted file
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/eaf087b8fe0cf69bed568070ae460d63483525842d4c84c7750ef87c4985e622/
Threat name:
ByteCode-MSIL.Trojan.SemperDotNet
Create hunting rule
Status:
Malicious
First seen:
2021-06-21 15:19:53 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5lyipoh6bt3jx3kwqbyk4rqnmnedkjmefvgijr3vb34hysmf4yra._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
1299373ec40fc1f3f16957338574a9ad51a94e62220cc8c08f1ad81dee443544
AsyncRAT
16fc0cec13d88da3d0a36e4c42e733db8f1e21cafc18fd813a25cd0bc835f35a
AsyncRAT
220bb2b7deba41f53a8d86d677691aff283314a29c27cc49b2ba396699237825
AsyncRAT
438e8f8d626ca18bb5fbd3499cad058033b199c865badba6415e362d5b8dcd49
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
b51c07d9a4e50ac499514d378320260821bd7486acd1077a6bddf8ab70c6a2b3
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
ceddcfa72226e91f7435facafe6631d1385ca4d246d242d5136ac4e9462b8611
AsyncRAT
d90bd5fe1ea6c9d3435e443b030981e2a4842d41b08cb39fc293ba4ea9ad1c9c
AsyncRAT
fee6cda76d8c5b289b76deba1176049e529f51ac06f817a8a22ec77b17d74f35
AsyncRAT
+ 887 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210621-g8zj1sp5j6/
Behaviour
AsyncRat
Malware Config
C2 Extraction:
asc1.linkpc.net:555
Unpacked files
SH256 hash:
eaf087b8fe0cf69bed568070ae460d63483525842d4c84c7750ef87c4985e622
MD5 hash:
7b25379caa4340a714b210dfd01fd5f9
SHA1 hash:
5d0cf2954a43c613f270ee9c6ea2e74798787725
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/a35f7186-f501-4844-95f1-bddb6cbf0614/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/eaf087b8fe0cf69bed568070ae460d63483525842d4c84c7750ef87c4985e622

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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/167324/

Comments