MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b73207a354dfcc8c05d43b3e63bbc162dba5e951879e99fa0d45585b635cb92b. 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
| SHA256 hash: | b73207a354dfcc8c05d43b3e63bbc162dba5e951879e99fa0d45585b635cb92b |
|---|---|
| SHA3-384 hash: | c9fdfc1d0b0b76848c18888ac3518251255015b07f199a433c691acf80a9a5c21f1615fd53e28cb9c85ce5129789a633 |
| SHA1 hash: | 20cad64e51eadb3e632f6ddcbecafc7ab5b855fa |
| MD5 hash: | 837e6eddf7b02d8ca1a2a22736909aa4 |
| humanhash: | vegan-pip-romeo-undress |
| File name: | Purchase Order (2).exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 1'075'200 bytes |
| First seen: | 2021-03-09 11:21:00 UTC |
| Last seen: | 2021-03-09 13:28:07 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 12288:8BUxUFMD0EdONW8zFYvXmYLcL0WaRhK0BMb+Ay0D1WlfIcbVoyQ1cOmaIV5u+IDP:w4jcl07b7JAyIWRIcbyyNurmDY |
| Threatray | 676 similar samples on MalwareBazaar |
| TLSH | 5C35290263A82F96F07C433995650844D7F7AD46D330EA8DBDAD65CF4BA3F518B92B02 |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT exe RAT |
abuse_ch
Malspam distributing AsyncRAT:HELO: mail.sociale-csi.com
Sending IP: 104.37.187.185
From: "Admin" <support@sociale-csi.com>
Subject: RE: Order Confirmation
Attachment: Purchase Order.zip (contains "Purchase Order (2).exe")
AsyncRAT C2:
83961200.duckdns.org:7139 (152.89.247.74)
Intelligence
File Origin
# of uploads :
2
# of downloads :
107
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Purchase Order (2).exe
Verdict:
Suspicious activity
Analysis date:
2021-03-09 11:24:14 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
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.spyw.evad
Score:
100 / 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
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)
Tries to harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Yara detected AntiVM_3
Yara detected AsyncRAT
Yara detected Costura Assembly Loader
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Spyware.Noon
Status:
Malicious
First seen:
2021-03-09 03:51:21 UTC
AV detection:
23 of 47 (48.94%)
Threat level:
2/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 666 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat rat spyware
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Reads user/profile data of web browsers
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
83961200.duckdns.org:7139
Unpacked files
SH256 hash:
f9d949d2f56c449c5d346bb93ed04d38426f563b022dd179ae330dab46682c3b
MD5 hash:
871e23d748ba756eaab5777708f250f8
SHA1 hash:
c9816d4ab38541aaab9aa3eab7cb4898d0b72e4a
SH256 hash:
b73207a354dfcc8c05d43b3e63bbc162dba5e951879e99fa0d45585b635cb92b
MD5 hash:
837e6eddf7b02d8ca1a2a22736909aa4
SHA1 hash:
20cad64e51eadb3e632f6ddcbecafc7ab5b855fa
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
Score:
1.00
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
Delivery method
Distributed via e-mail attachment
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