MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6cd4d8d927aa670081be1d6280e5f91a171f1c7023fa567d2bb8e9a83387af29. 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: | 6cd4d8d927aa670081be1d6280e5f91a171f1c7023fa567d2bb8e9a83387af29 |
|---|---|
| SHA3-384 hash: | 3b2ee4d1501550493ae47b21154c1b2bdd4de3928628a3e2d495ee4aa382ddab2596a2f628ad04e6a5c337de53ca3b29 |
| SHA1 hash: | 8c764f24ff80f5851c06c9b138d502dade5f9cef |
| MD5 hash: | e49f8c71d21373dbd6d1989556e4a566 |
| humanhash: | georgia-single-music-timing |
| File name: | SKM_C258201001130020005057.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 808'744 bytes |
| First seen: | 2020-12-22 10:34:17 UTC |
| Last seen: | 2020-12-22 13:12:04 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:sBZIGXcD4Yjwh7KY0Yf86EVzSP+UbhP3zkxLi35/MdkuShpm4L56mNptbgL6PPol:sBZIGQ1 |
| Threatray | 524 similar samples on MalwareBazaar |
| TLSH | 92055C02498268CBD6B2D494A3CE82D6B347998CE7A97FD4FE10E21531DC467EFB8D41 |
| Reporter |  abuse_ch |
| Tags: | AsyncRAT DHL exe RAT |
abuse_ch
Malspam distributing AsyncRAT:HELO: s1008.xrea.com
Sending IP: 150.95.9.228
From: DHL Customer Service <no-reply@dhl.com>
Subject: Delayed Parcel Delivery
Attachment: SKM_C258201001130020005057.7z (contains "SKM_C258201001130020005057.exe")
AsyncRAT C2:
severdops.ddns.net:6204
Intelligence
File Origin
# of uploads :
2
# of downloads :
232
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SKM_C258201001130020005057.exe
Verdict:
Malicious activity
Analysis date:
2020-12-22 10:41:41 UTC
Tags:
trojan rat asyncrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Unauthorized injection to a recently created process
Creating a file
Sending a UDP request
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling autorun
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.adwa.evad
Score:
100 / 100
Signature
.NET source code contains very large strings
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Drops PE files to the startup folder
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
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 AsyncRAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Crysan
Status:
Malicious
First seen:
2020-12-22 09:12:21 UTC
AV detection:
18 of 29 (62.07%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
asyncrat
Similar samples:
+ 514 additional samples on MalwareBazaar
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat persistence rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Drops startup file
Async RAT payload
AsyncRat
Modifies WinLogon for persistence
Malware Config
C2 Extraction:
severdops.ddns.net:6204
Unpacked files
SH256 hash:
6cd4d8d927aa670081be1d6280e5f91a171f1c7023fa567d2bb8e9a83387af29
MD5 hash:
e49f8c71d21373dbd6d1989556e4a566
SHA1 hash:
8c764f24ff80f5851c06c9b138d502dade5f9cef
SH256 hash:
55ba069b6e5872b365196b387e0b8cab521972fc00aa45d34ded7c13167a93d5
MD5 hash:
29f89df3e87d0cda235313a6bdb3a30e
SHA1 hash:
7c40ee4021b25d825ecf9b5341e0bb8e315bac3d
Detections:
win_asyncrat_w0
SH256 hash:
265f1c4e1fb47062ffb46a30a7c8539d45f6dff250b72bcfd7d3a74a3f443c99
MD5 hash:
bf91ebe01f5d8f9e682bef83ec495f15
SHA1 hash:
b7e10ab0cd87c8f3316186ca63a40552357eb320
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Trojan
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: | 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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