MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cf42db8a9fd6c9c806cd2d1dccc54228babd51121f29ff928dc095d7f337aac9. 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
| SHA256 hash: | cf42db8a9fd6c9c806cd2d1dccc54228babd51121f29ff928dc095d7f337aac9 |
|---|---|
| SHA3-384 hash: | 60b04516ef5c7d02c1f1ff370e85eaf6ba5d217a962dce8794db656f245536679a9eefb2ad0f056a9496420c400e2696 |
| SHA1 hash: | d5910e46a9dc40d9dff83703b396ec4415f16d47 |
| MD5 hash: | e891577b2d323d94f32ccc6bc52eadd9 |
| humanhash: | mountain-neptune-carbon-oscar |
| File name: | data.pdf.exe |
| Download: | download sample |
| Signature | AsyncRAT |
| File size: | 3'486'720 bytes |
| First seen: | 2021-04-13 16:36:29 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer) |
| ssdeep | 49152:yVbgW+uTTZfEX3H36GodbHYBbZalIrzwkvl+fsJI+SJNrBmVEXkUGHlWA3HylLvi:4JcHqFbHS/zRt+f+INrBmV0GHRHr |
| TLSH | 82F533723628C394D418F472D102E0FB12389EBAED29651B71F5BE9B733B1D4648BC66 |
| Reporter |  James_inthe_box |
| Tags: | AsyncRAT exe |
Intelligence
File Origin
# of uploads :
1
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
data.pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-04-13 16:38:42 UTC
Tags:
rat asyncrat
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
AsyncRat
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for analyzing tools
Searching for the window
Sending a UDP request
Using the Windows Management Instrumentation requests
Connection attempt
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:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Detected unpacking (changes PE section rights)
Hides threads from debuggers
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
PE file contains section with special chars
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AsyncRAT
Behaviour
Behavior Graph:
Threat name:
Win32.Packed.Themida
Status:
Malicious
First seen:
2021-04-12 01:44:50 UTC
File Type:
PE (Exe)
Extracted files:
11
AV detection:
19 of 29 (65.52%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
unknown
Result
Malware family:
asyncrat
Score:
10/10
Tags:
family:asyncrat evasion rat
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks BIOS information in registry
Identifies Wine through registry keys
Identifies VirtualBox via ACPI registry values (likely anti-VM)
AsyncRat
Unpacked files
SH256 hash:
cf42db8a9fd6c9c806cd2d1dccc54228babd51121f29ff928dc095d7f337aac9
MD5 hash:
e891577b2d323d94f32ccc6bc52eadd9
SHA1 hash:
d5910e46a9dc40d9dff83703b396ec4415f16d47
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture |
|---|---|
| Author: | ditekSHen |
| Description: | Detect executables with stomped PE compilation timestamp that is greater than local current time |
| Rule name: | Reverse_text_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | Reverse text detected |
| Rule name: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| 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.
Delivery method
Other
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