MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4458a1f6050e6dda81597624cd2464ec0ee79d1021384420d9f0462695d2f8dc. 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: 12


Intelligence 12 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4458a1f6050e6dda81597624cd2464ec0ee79d1021384420d9f0462695d2f8dc
SHA3-384 hash: 51fe7eb384d450a40f4d07715de5f3a1dbbd7b81f1c45d1343cc1c76903a1241870ad388d047dbe3d837a75a2290300f
SHA1 hash: f1a24d639b6c45462f64ef7e14a11092c1819659
MD5 hash: 559c4deadba112a5272db21cfbf44016
humanhash: winter-venus-bluebird-colorado
File name:559c4deadba112a5272db21cfbf44016.exe
Download: download sample
Signature AsyncRAT
Create hunting rule
File size:601'600 bytes
First seen:2022-10-29 18:05:59 UTC
Last seen:2022-10-29 19:12:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 6144:/WynU/PwAV+nTTgc/ihYwqhq3Ovw2adkA6sz04l3lC4W3ct4a17dh6Y4Da/s:+yBK+nTTg7hYVOOz4l3oVct71j6Y5E
TLSH T1D4D48C2F26858902DE0C2E3E86D47715F2A9C4DD804B991F7FB575E63DE2BA1980C4CE
TrID 69.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.9% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.7% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2717db962457192 (1 x AsyncRAT)
Reporter abuse_ch
Tags:AsyncRAT exe RAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
641
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
asyncrat
Create hunting rule
ID:
1
File name:
559c4deadba112a5272db21cfbf44016.exe
Verdict:
Malicious activity
Analysis date:
2022-10-29 18:06:20 UTC
Tags:
trojan rat asyncrat
Link:
https://app.any.run/tasks/2a851c30-08ea-499b-9158-eeec3bd045bd

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/325926/
Detection(s):
SecuriteInfo.com.Trojan.Siggen18.61563.25607.15686.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a file
Launching a process
Creating a process from a recently created file
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/635d6b8c58409ff7bc0c3fc2/reports/627fc080-725d-4076-8a60-6703eefcd75b/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/2b3f501a-9c58-4354-a3f0-d8828da2f927
Result
Threat name:
DcRat
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1100994
Signature
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected DcRat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733655 Sample: Dk2YKYVarz.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 96 37 Snort IDS alert for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Multi AV Scanner detection for submitted file 2->41 43 2 other signatures 2->43 7 Dk2YKYVarz.exe 7 2->7         started        11 zdgvdfg.exe 3 2->11         started        process3 file4 29 C:\Users\user\AppData\Roaming\zdgvdfg.exe, PE32 7->29 dropped 31 C:\Users\user\AppData\...\Dk2YKYVarz.exe.log, CSV 7->31 dropped 45 Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent) 7->45 13 cmd.exe 1 7->13         started        16 cmd.exe 1 7->16         started        47 Multi AV Scanner detection for dropped file 11->47 49 Machine Learning detection for dropped file 11->49 signatures5 process6 signatures7 51 Uses schtasks.exe or at.exe to add and modify task schedules 13->51 18 conhost.exe 13->18         started        20 schtasks.exe 1 13->20         started        22 zdgvdfg.exe 1 2 16->22         started        25 conhost.exe 16->25         started        27 timeout.exe 1 16->27         started        process8 dnsIp9 33 82.115.223.14, 4449, 49697 MIDNET-ASTK-TelecomRU Russian Federation 22->33 35 8.8.8.8 GOOGLEUS United States 22->35
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4458a1f6050e6dda81597624cd2464ec0ee79d1021384420d9f0462695d2f8dc/
Threat name:
ByteCode-MSIL.Trojan.Tiggre
Create hunting rule
Status:
Malicious
First seen:
2022-10-20 13:53:37 UTC
File Type:
PE (.Net Exe)
Extracted files:
18
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=irmkd5qfbzw5vakzoysm2jde5qhophiqee4eiigz6bdcnfos7doa._file
Verdict:
malicious
Result
Malware family:
asyncrat
Create hunting rule
Score:
  10/10
Tags:
family:asyncrat rat
Link:
https://tria.ge/reports/221029-wpqrgahbd4/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Async RAT payload
AsyncRat
Unpacked files
SH256 hash:
4458a1f6050e6dda81597624cd2464ec0ee79d1021384420d9f0462695d2f8dc
MD5 hash:
559c4deadba112a5272db21cfbf44016
SHA1 hash:
f1a24d639b6c45462f64ef7e14a11092c1819659
Link:
https://www.unpac.me/results/5613c4cb-ee3c-414d-94e5-243a0b5190b5/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4458a1f6050e6dda81597624cd2464ec0ee79d1021384420d9f0462695d2f8dc

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:BAZT_B5_NOCEXInvalidStream
Create hunting rule
Rule name:NETDIC208_NOCEX_NOREACTOR
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/325926/

Comments