MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7921c0e85da085beeadc3d5f7f25627b7c9c5884742d798e2bd3a099f9be829. 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: b7921c0e85da085beeadc3d5f7f25627b7c9c5884742d798e2bd3a099f9be829
SHA3-384 hash: fd236ce97219dbdd939e7e123947aaa5c0a5603c6c9f275e89a7c7dbd5d8fba6278ac8c0908cffb4bd530a0bc71b3a39
SHA1 hash: fa45faec17a3e73a7490a05ab424fb92121c8485
MD5 hash: 87659ca129c88f22a08cb26a88d7d7bb
humanhash: eight-carolina-lima-oven
File name:Sales Order confirmation_pdf.exe
Download: download sample
Signature AsyncRAT
File size:1'456'640 bytes
First seen:2021-03-09 11:47:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:FoGxMeg9UYdzAOOmumOmumhBhuyCT0WqYXMd8uW2I45jCesiedi8f/obiXk+TNgl:FlFDT0nYXMd8H2I4uieLfl9/Rlb/DU
Threatray 975 similar samples on MalwareBazaar
TLSH EB658C222344EF6EE13CC73860219C1853FAAA01F715EF1BBDD969D258FAF418767912
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: internethouse.host
Sending IP: 62.108.35.217
From: Jason Bourne <admin@internethouse.host>
Subject: REQUEST FOR QUOTATION
Attachment: Sales Order confirmation_pdf.zip (contains "Sales Order confirmation_pdf.exe")

AsyncRAT C2:
3324546.duckdns.org:1210 (152.89.247.27)

Intelligence


File Origin
# of uploads :
1
# of downloads :
118
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Sales Order confirmation_pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-03-09 11:48:15 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
Sending a UDP request
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
C2 URLs / IPs found in malware configuration
Found malware configuration
Initial sample is a PE file and has a suspicious name
Machine Learning detection for sample
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 dynamic DNS services
Yara detected AntiVM_3
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Gathering data
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2021-03-09 11:48:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
133
AV detection:
25 of 47 (53.19%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
3324546.duckdns.org:1210
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
b7921c0e85da085beeadc3d5f7f25627b7c9c5884742d798e2bd3a099f9be829
MD5 hash:
87659ca129c88f22a08cb26a88d7d7bb
SHA1 hash:
fa45faec17a3e73a7490a05ab424fb92121c8485
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 b7921c0e85da085beeadc3d5f7f25627b7c9c5884742d798e2bd3a099f9be829

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments