MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f74c5871c33b4bf63b43f3e7e216dae1cc92e79cd0035422c8eb6768b98dc06. 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 5 File information Comments

SHA256 hash: 8f74c5871c33b4bf63b43f3e7e216dae1cc92e79cd0035422c8eb6768b98dc06
SHA3-384 hash: faa073d484da3a85bf3a585365d66c2f4beea4c0b6b27c2d133d877f95345b28429f8e391cea3dfcce3e701a965c3cb9
SHA1 hash: 25730487e2562435cd053891ec689a9b8b380399
MD5 hash: bc078bc0b438d5186ff9a7580412a532
humanhash: nitrogen-florida-east-papa
File name:Production order List Quotation.pdf.exe
Download: download sample
Signature AsyncRAT
File size:946'388 bytes
First seen:2021-01-15 07:20:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1f4f257947c1b713ca7f9bc25f914039 (4 x NetSupport, 1 x AsyncRAT)
ssdeep 12288:aOUj1/avP7r9r/+ppppppppppppppppppppppppppppp0GiUUVnUBMEUZ9fALSzU:TUZav1qiUUVnaXlS+r/eN44r3vsXsbvG
Threatray 588 similar samples on MalwareBazaar
TLSH 9415E085EA8495B0DD69A7719E36CD3092237DFDA874981C29CE3D6B3BFB2D35026013
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: mx3.bangla.net
Sending IP: 203.188.252.14
From: Ms.Annette Sturm <br9631@bangla.net>
Reply-To: aggreko@emirates.net.ae
Subject: Fwd: Notice on the above Quotation and production order #
Attachment: Production order List Quotation.pdf.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
159
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Production order List Quotation.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-01-15 07:43:02 UTC
Tags:
trojan rat asyncrat

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
Searching for the window
Creating a file in the %temp% subdirectories
Sending a custom TCP request
Launching a process
Creating a file
Creating a process from a recently created file
Sending a UDP request
DNS request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
Multi AV Scanner detection for submitted 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 an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
Win32.PUA.Wacapew
Status:
Malicious
First seen:
2021-01-15 07:21:22 UTC
AV detection:
13 of 46 (28.26%)
Threat level:
  1/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
1.remcosagent.com:1993
Unpacked files
SH256 hash:
abb2f435456f12e199c9e286194a7d4c1574da21666a0960cfa7f9b5f3ffee19
MD5 hash:
4f76cb97e53d1dea89bb463616698c3f
SHA1 hash:
bcdc10419170e349ee4ce43d0836543cb73ac678
Detections:
win_asyncrat_w0
SH256 hash:
7654ad9e67599d376ad77c7b23273fd334f0ea8c07394dd17d72fcc90a0b0b6f
MD5 hash:
f40a2d4ae8e4d031f0e7ff0caf28ebbf
SHA1 hash:
99e874b66617bcd9566db86de732c3fb55f5a6b0
SH256 hash:
e50261dbfaccd38786a5fcb020c314611452e747ff92ac845330d19e76420f2e
MD5 hash:
d0abcb880f76aef0e72d7bb1d6528963
SHA1 hash:
52c9cc96efba710d4f461b85e0e092085ecea872
SH256 hash:
8f74c5871c33b4bf63b43f3e7e216dae1cc92e79cd0035422c8eb6768b98dc06
MD5 hash:
bc078bc0b438d5186ff9a7580412a532
SHA1 hash:
25730487e2562435cd053891ec689a9b8b380399
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 8f74c5871c33b4bf63b43f3e7e216dae1cc92e79cd0035422c8eb6768b98dc06

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments