MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 580b46d3c66531c7398e60857e6d5177d500d75cc802ded85965e0c2a09e255c. 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: 11


Intelligence 11 IOCs YARA 5 File information Comments

SHA256 hash: 580b46d3c66531c7398e60857e6d5177d500d75cc802ded85965e0c2a09e255c
SHA3-384 hash: 3ed1b38d9a65c15b840b65f504431af6eb43fbf338f444456a703a3fe2a8ce861fc963e3a38b6fb3c5988486aab15657
SHA1 hash: 260a89ebb2729036b80db296cbab152dea7532d6
MD5 hash: 537a0333eebdab548ed5a923515689cb
humanhash: moon-island-montana-happy
File name:DOC 20210121__00101094001001001.exe
Download: download sample
Signature AsyncRAT
File size:668'160 bytes
First seen:2021-01-21 06:19:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:HLKXnBwCo42Y1e0LwNo6GPVYY9W6ghouK9cpCZAnrzX0rHhZboGYRl:KrgYUGwNmPVs6UfKq5nr
Threatray 875 similar samples on MalwareBazaar
TLSH DDE49D6C3250B9DEC5BBC972DEAC1D30EB78B4675B0BD617505711AC9C0EA97CE200BA
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: thorlabs.com
Sending IP: 155.94.185.117
From: Doris Yin <DYin@thorlabs.com>
Subject: order 0118
Attachment: DOC 20210121__00101094001001001.7z (contains "DOC 20210121__00101094001001001.exe")

AsyncRAT C2:
nnoport.ddns.net:40770 (154.16.248.44)

Intelligence


File Origin
# of uploads :
1
# of downloads :
134
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DOC 20210121__00101094001001001.exe
Verdict:
Malicious activity
Analysis date:
2021-01-21 06:26:15 UTC
Tags:
n/a

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

Behaviour
Creating a window
Sending a UDP request
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
.NET source code contains potential unpacker
Injects a PE file into a foreign processes
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)
Uses dynamic DNS services
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2021-01-21 00:33:27 UTC
AV detection:
14 of 46 (30.43%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
nnoport.ddns.net:40770
Unpacked files
SH256 hash:
c5d111e7d636792f0b8196c072d6e2f77ceddd0ba4b4a88f2c1c075d6e52825c
MD5 hash:
5ab0de810f513cbd7a03be71cfc12475
SHA1 hash:
8c91481a9ad1483a9f830413d2c2f2f488344007
SH256 hash:
10ab5b58307982caf197de195fb39abbe3e6e26baa436a620aec2a27be820d89
MD5 hash:
b9ede8a5083ebed11e6a3865aeed7aa5
SHA1 hash:
685ed0528d92d713bfe2debbf7009653fbedd35e
Detections:
win_asyncrat_w0
SH256 hash:
ea2db0e748a8cc9e3216aa7f1dd8fe050ca91dda2c5fdedc4d93909c25a60251
MD5 hash:
9a6457a3d910716f654223d3faa43870
SHA1 hash:
187a425514fb94b4dc3b3f58495f9385ddd026d8
SH256 hash:
580b46d3c66531c7398e60857e6d5177d500d75cc802ded85965e0c2a09e255c
MD5 hash:
537a0333eebdab548ed5a923515689cb
SHA1 hash:
260a89ebb2729036b80db296cbab152dea7532d6
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:Reverse_text_bin_mem
Author:James_inthe_box
Description:Reverse text detected
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.

Malspam

AsyncRAT

Executable exe 580b46d3c66531c7398e60857e6d5177d500d75cc802ded85965e0c2a09e255c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments