MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 307f004326e684ce02104a8da2db8f3cfa93c4e1ab2d7da025204430d677f75d. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 307f004326e684ce02104a8da2db8f3cfa93c4e1ab2d7da025204430d677f75d
SHA3-384 hash: fe9649e50cfa584656153b175c4b2e3da6ac7c2b867dfbdbaa57433b47e745f644d5698d30e81a0fd260e31508a009fb
SHA1 hash: d3aa4ae2df94141a055e8f80da8b8323ef79d1fa
MD5 hash: 3df64089a8d0a796445361f8b0141bd8
humanhash: massachusetts-carbon-blossom-lion
File name:3df64089a8d0a796445361f8b0141bd8.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:545'792 bytes
First seen:2020-10-14 14:49:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 3072:CUtKRawNJR09maaDWNwVA1p39st8GUeYimlD/etEF1npzt:CUURNNJR09maaDWNwVA
Threatray 377 similar samples on MalwareBazaar
TLSH 6DC4853C9DDA2237DABAD6B6D9F505DBF91178433526AC4E90C707820A03B977DC221E
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Unauthorized injection to a recently created process
Launching a process
Creating a file
DNS request
Connection attempt to an infection source
Enabling autorun by creating a file
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/491108
Signature
.NET source code contains very large strings
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Creates an undocumented autostart registry key
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)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/307f004326e684ce02104a8da2db8f3cfa93c4e1ab2d7da025204430d677f75d/
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Create hunting rule
Status:
Malicious
First seen:
2020-10-14 11:43:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gb7qaqzg42cm4aqqjkg2fw4pht5jhrhbvmwx3ibfebcdbvtx65oq._file
Verdict:
malicious
Label(s):
asyncrat
Create hunting rule
Similar samples:
430bbefe89bad382de0a7831e7afc238f397a930a235d208585fb2bfb0b950bc
AsyncRAT
7caf87ac1666f10cbbff4cc01d51ec4df556908b2d8d55d5c4f0f3724dceded1
AsyncRAT
862b45e2c98a175f625797db1d3342e0d9dc35b79e3386deb42c06b1918867d9
AsyncRAT
8aa7a5eb1247b0d54b2bd29dd6b2d563ca30da4990c8220f61da826fe5941452
AsyncRAT
a4df5e9015f70b47dc4f2e6bae0fbeb9d108979e0cda7ef54aa123a0d33bdf8b
AsyncRAT
bcb474ac919440674135c673d8c6a0fc8015a63a15b2849c3346f74a716b5249
AsyncRAT
c8cc7c1a1210a082960b929c3598521979e16c1c6f5626b8ad29b9618ab5e18c
AsyncRAT
d82330b1d9bfbebbff4d21e9ddd0f86e90ed27031ba29557587d182246301ee5
AsyncRAT
f0006754d451556014c91039915ea9505f348f80538e536d30b75c5ef252d73d
AsyncRAT
f9cff9e6050b1536e55014e7eafdc8827fb237e9235ff60265c5d1afaa5d5e6e
AsyncRAT
+ 367 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
rat family:asyncrat
Link:
https://tria.ge/reports/201014-k6ntk4cege/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
agentttt.ac.ug,agentpurple.ac.ug:6970
Unpacked files
SH256 hash:
307f004326e684ce02104a8da2db8f3cfa93c4e1ab2d7da025204430d677f75d
MD5 hash:
3df64089a8d0a796445361f8b0141bd8
SHA1 hash:
d3aa4ae2df94141a055e8f80da8b8323ef79d1fa
Link:
https://www.unpac.me/results/cbccdef8-6c57-4513-9ce6-ea48f3cfac00/
SH256 hash:
c352535ce5efbecaf34217b608df0ae79d1caf0518a6e56dbfc20e91e19e1650
MD5 hash:
038d298f9ba55d797ea189896d09cabd
SHA1 hash:
216aa4067c27361186840c7cb005b106653cdf09
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/cbccdef8-6c57-4513-9ce6-ea48f3cfac00/
SH256 hash:
0ecba049b4cbee1195aa183a29a2741d534f7a2c4f69e3cffd1195d668e3cdcd
MD5 hash:
788830da33f01f5273091fb88092705a
SHA1 hash:
84db9021cd266b48e932f13b455514692998416a
Link:
https://www.unpac.me/results/cbccdef8-6c57-4513-9ce6-ea48f3cfac00/
SH256 hash:
be1dfe4ac9fbbdc4d51547ff3609cce7224251d4c34f20944ca3ba23a6c338f9
MD5 hash:
96e9d8143fdd5f589d17a2b59c58bb2f
SHA1 hash:
f2ccd80635b87ac0dfafde5c709a63e34d9428b8
Link:
https://www.unpac.me/results/cbccdef8-6c57-4513-9ce6-ea48f3cfac00/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/307f004326e684ce02104a8da2db8f3cfa93c4e1ab2d7da025204430d677f75d

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:Reverse_text_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Reverse text detected
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 307f004326e684ce02104a8da2db8f3cfa93c4e1ab2d7da025204430d677f75d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/439781/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/446461/
  
URLhaus
https://urlhaus.abuse.ch/url/686539/
  
URLhaus
https://urlhaus.abuse.ch/url/572753/
  
URLhaus
https://urlhaus.abuse.ch/url/572764/
Cape
Cape
https://www.capesandbox.com/analysis/70819/

Comments