MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2e5c043068bc3ec4be61c4884722589649aceef5adfb5c3a0e84a4172554e1c. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: b2e5c043068bc3ec4be61c4884722589649aceef5adfb5c3a0e84a4172554e1c
SHA3-384 hash: 9ffa778a1702d44c778912761b69081a138222c588e8ab6cbcdbdb9d77a4b221269694ba7f62c810c2b7e1080a1893c7
SHA1 hash: f290d19f375a5aed052adc781534df55619b7fe4
MD5 hash: 2608ae08f112f112c6b4e7db66cfc13a
humanhash: lamp-oklahoma-connecticut-early
File name:ORDER-207044.xLs.exe
Download: download sample
Signature AsyncRAT
File size:336'384 bytes
First seen:2020-11-26 06:51:15 UTC
Last seen:2020-11-26 08:42:33 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'602 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 3072:aGZHbQt+iFvonYj8Q8lcKBei3y2p1h0Z3/wag6EdAngARrWijI:1ps99j8GI3DpD0ZE/0nb
Threatray 481 similar samples on MalwareBazaar
TLSH 716408FBB50CB1E6EC812134140FBC580115AD31BB7397BD23F5BA992572BBC87265A2
Reporter abuse_ch
Tags:AsyncRAT exe RAT


Avatar
abuse_ch
Malspam distributing AsyncRAT:

HELO: master.sgesystems.com
Sending IP: 158.69.26.164
From: Aryan Aqib <info@renewablealaska.com>
Reply-To: info@alnajeh.ae
Subject: PO #207044
Attachment: ORDER-207044.img (contains "ORDER-207044.xLs.exe")

AsyncRAT C2:
chongmei33.publicvm.com:49746 (37.120.208.37)

Intelligence


File Origin
# of uploads :
2
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file in the %AppData% subdirectories
Launching a process
Creating a file
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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.
Result
Threat name:
AsyncRAT
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
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)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Infostealer.Maslog
Status:
Malicious
First seen:
2020-11-26 06:52:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Result
Malware family:
asyncrat
Score:
  10/10
Tags:
family:asyncrat persistence rat
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of SetThreadContext
Adds Run key to start application
Uses the VBS compiler for execution
Async RAT payload
AsyncRat
Malware Config
C2 Extraction:
chongmei33.publicvm.com:49746
chongmei33.publicvm.com:2703
chongmei33.publicvm.com:49714
chongmei33.publicvm.com:49703
185.165.153.116:49746
185.165.153.116:2703
185.165.153.116:49714
185.165.153.116:49703
54.37.36.116:49746
54.37.36.116:2703
54.37.36.116:49714
54.37.36.116:49703
185.244.30.92:49746
185.244.30.92:2703
185.244.30.92:49714
185.244.30.92:49703
dongreg202020.duckdns.org:49746
dongreg202020.duckdns.org:2703
dongreg202020.duckdns.org:49714
dongreg202020.duckdns.org:49703
178.33.222.241:49746
178.33.222.241:2703
178.33.222.241:49714
178.33.222.241:49703
rahim321.duckdns.org:49746
rahim321.duckdns.org:2703
rahim321.duckdns.org:49714
rahim321.duckdns.org:49703
79.134.225.92:49746
79.134.225.92:2703
79.134.225.92:49714
79.134.225.92:49703
37.120.208.36:49746
37.120.208.36:2703
37.120.208.36:49714
37.120.208.36:49703
Unpacked files
SH256 hash:
8b84c9d0c7cec14e5a26b170230583bff8e6af02855005edb5c1da11ed75aa36
MD5 hash:
0cbcf23846f39e80fbaea84ff6246cf4
SHA1 hash:
7e6de42ac6b678c7a4d1d46c724e81cabef008e9
SH256 hash:
83c08f0721c8b0c96e3d6a8f3ccaf5c96fbcc427d574625c34424c3429fefaa1
MD5 hash:
3c5dbcc3bb27e913e14efd8054811373
SHA1 hash:
b0eba9388abddaef9d5aa49ccd5dbab2924cced0
SH256 hash:
b2e5c043068bc3ec4be61c4884722589649aceef5adfb5c3a0e84a4172554e1c
MD5 hash:
2608ae08f112f112c6b4e7db66cfc13a
SHA1 hash:
f290d19f375a5aed052adc781534df55619b7fe4
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: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 b2e5c043068bc3ec4be61c4884722589649aceef5adfb5c3a0e84a4172554e1c

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments