MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5c91707f5308a187b11f2041f0e2fe5a8d4b58b92d1406e28b1475e240f5380. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f5c91707f5308a187b11f2041f0e2fe5a8d4b58b92d1406e28b1475e240f5380
SHA3-384 hash: 4cf3e093b002f4c13777fa1c553083da418e823c533b1d2d768a3100fdb9585b297be687bb371e4031425f332c31789c
SHA1 hash: 9645580902d0ddc033f1c1b510dd0b12b2bba898
MD5 hash: e75874847337299bc1a57e6f0708b7e7
humanhash: lithium-five-dakota-leopard
File name:Request for Quotation - ATLAS_Batch#001.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:812'544 bytes
First seen:2021-06-30 14:24:25 UTC
Last seen:2021-08-31 10:23:58 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'476 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:mD4F8ZAn++i6rOk4E9CRwwFhtml/svdbbb/u6j0fZF9MtRrH4PFmODd1H+UJSKSy:TF5Li2p9CR1ulW7/uqkZF9wHOY
Threatray 954 similar samples on MalwareBazaar
TLSH B1055BAC325435EEC567C6B9CAA8AC74EA617C66431B8107909309DFAE0DB97DF101F3
Reporter Anonymous
Tags:exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Request for Quotation - ATLAS_Batch#001.exe
Verdict:
Malicious activity
Analysis date:
2021-06-30 14:35:05 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8773601-af42-4bf5-81ba-75182a2a4c90

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.897.6215.25366.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
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/e407e258-a14a-4b27-a8d1-47d28dee8967
Result
Threat name:
AsyncRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810031
Signature
.NET source code contains very large strings
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Multi AV Scanner detection for domain / URL
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Download SVG
Detection:
asyncrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f5c91707f5308a187b11f2041f0e2fe5a8d4b58b92d1406e28b1475e240f5380/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-06-30 14:25:09 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6xerob7vgcfbq6yr6icb6drp4wunjnmlsliua3riwfdv4japkoaa._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
+ 944 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/210630-enmrpv9lhs/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
timairvpn.ddns.net:52090
Unpacked files
SH256 hash:
47b729a43722cb14cc84dfc27fda99ef4faf38dd377b92a020a9837d96deb4e1
MD5 hash:
6d337b941dcfa29eff6b03456414cb44
SHA1 hash:
c163e0b591cbc55ee3a127a541d313b18c108277
Link:
https://www.unpac.me/results/2a835148-140a-4b96-a5a7-03e05ed6a812/
SH256 hash:
e06faa3a55a2c7aa227c34ed7d55016a7c76a2400e23813579e2c11770a071e0
MD5 hash:
844c1172cc9cfc0a514e6f2c3a2dc0b8
SHA1 hash:
7a8ea264b8f34069a533ffbd367f7ac6528e7411
Detections:
win_asyncrat_w0
Create hunting rule
Link:
https://www.unpac.me/results/2a835148-140a-4b96-a5a7-03e05ed6a812/
Parent samples :
31e9607bf9e803555d2627f9088a8ba2554d71f1e42b3ff78266388f1eca8b34
c5c25bc6655e1b18f0cd09f0fcb2ba2c16b071484839ecbbbaf27b1d76d5440c
dcc2f16449920c4807a2f1acf0e4d653c2fa25c663f90e76726cc1117fe050aa
28073a988c9c4227dac8997449b8e5706ee88a58fd92e17f9c0c4586f0be829f
f5c91707f5308a187b11f2041f0e2fe5a8d4b58b92d1406e28b1475e240f5380
be501b3a94e5de2e9a1583111f6c8f19be8e6be416648102d34d86de4ae23f7c
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/2a835148-140a-4b96-a5a7-03e05ed6a812/
SH256 hash:
f5c91707f5308a187b11f2041f0e2fe5a8d4b58b92d1406e28b1475e240f5380
MD5 hash:
e75874847337299bc1a57e6f0708b7e7
SHA1 hash:
9645580902d0ddc033f1c1b510dd0b12b2bba898
Link:
https://www.unpac.me/results/2a835148-140a-4b96-a5a7-03e05ed6a812/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f5c91707f5308a187b11f2041f0e2fe5a8d4b58b92d1406e28b1475e240f5380

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
Distributed via e-mail link

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