MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8. 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


LimeRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8
SHA3-384 hash: f0955db5297ad7c476aa00b26134fd57c1540362b3e2ad9eddbb169b1e9120af482bbbb8716d22719464b78f98661e36
SHA1 hash: 526223f21d6b0a9d3c7d296042f3f6ef9b40e41d
MD5 hash: a1575fcfa70b4ffa43aa2ecb18bfccc6
humanhash: colorado-delaware-alanine-april
File name:a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8
Download: download sample
Signature LimeRAT
Create hunting rule
File size:1'183'776 bytes
First seen:2021-09-28 09:26:05 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:4AHnh+eWsN3skA4RV1Hom2KXMmHa97aWtjzjFtuM25V:/h+ZkldoPK8Ya971XjFtAV
Threatray 1'336 similar samples on MalwareBazaar
TLSH T1B845AD42B3D58075FFAB92735F2AF61147BD6D790123812F13A83DBAA9711B1223D623
File icon (PE):PE icon
dhash icon 1d56634b4f5f1f1f (8 x LimeRAT)
Reporter JAMESWT_WT
Tags:exe LimeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
796
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8
Verdict:
Malicious activity
Analysis date:
2021-09-28 10:03:35 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/2d90fdc8-4321-4551-9561-7c54803cb3bf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Dropper.Aitinject-6968401-1
Create hunting rule

SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Creating a file
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Running batch commands
Deleting a system file
Unauthorized injection to a system process
Malware family:
LimeRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dc493928-6542-4b12-9516-9aa41c0e945e
Result
Threat name:
LimeRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/859985
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Contains functionality to inject code into remote processes
Found malware configuration
Injects a PE file into a foreign processes
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Bad Opsec Defaults Sacrificial Processes With Improper Arguments
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected LimeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 492419 Sample: zeUhoxWnNc Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 46 pastebin.com 2->46 52 Found malware configuration 2->52 54 Antivirus / Scanner detection for submitted sample 2->54 56 Multi AV Scanner detection for submitted file 2->56 58 8 other signatures 2->58 8 zeUhoxWnNc.exe 3 2->8         started        12 sdchange.exe 1 2->12         started        14 sdchange.exe 2->14         started        16 sdchange.exe 1 2->16         started        signatures3 process4 file5 44 C:\Users\user\secinit\sdchange.exe, PE32 8->44 dropped 64 Contains functionality to inject code into remote processes 8->64 66 Uses schtasks.exe or at.exe to add and modify task schedules 8->66 68 Writes to foreign memory regions 8->68 18 RegAsm.exe 18 5 8->18         started        22 schtasks.exe 1 8->22         started        70 Allocates memory in foreign processes 12->70 72 Injects a PE file into a foreign processes 12->72 24 schtasks.exe 12->24         started        26 RegAsm.exe 2 12->26         started        28 schtasks.exe 14->28         started        30 RegAsm.exe 14->30         started        74 Antivirus detection for dropped file 16->74 76 Binary is likely a compiled AutoIt script file 16->76 32 schtasks.exe 1 16->32         started        34 RegAsm.exe 3 16->34         started        signatures6 process7 dnsIp8 48 pastebin.com 104.23.98.190, 443, 49745, 49746 CLOUDFLARENETUS United States 18->48 50 104.23.99.190, 443, 49888, 49889 CLOUDFLARENETUS United States 18->50 60 Protects its processes via BreakOnTermination flag 18->60 62 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 18->62 36 conhost.exe 22->36         started        38 conhost.exe 24->38         started        40 conhost.exe 28->40         started        42 conhost.exe 32->42         started        signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8/
Threat name:
Win32.Trojan.Nymeria
Create hunting rule
Status:
Malicious
First seen:
2021-09-25 21:51:27 UTC
AV detection:
38 of 45 (84.44%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=uzc3pmj66bcel7hetgbnf3ww3azvzybvljb6qsmqtykouiufrdma._file
Verdict:
malicious
Similar samples:
2db5ed9ab6a2d81ca49933178f01d0e27455df3a113ba61e48dee0622a82a2c3
LimeRAT
4e86f84ad8430cadbfcd160b3efc18a81f24b027d3c3a35e96798bb8df06eabd
LimeRAT
57a08a9176c41262cf25a6294d7a1aebf712835eb5d64876846e1aae46d19b0d
LimeRAT
a3347937b18828817414419e8d01ff32c7eea9090cf0d98a1074fbd38160398f
LimeRAT
c2db825f5c24b3e27fba50ad8e93c2319526d65be85604b285faa7a92ff891a5
LimeRAT
d632c85338f64894158dcc17ee01ea7f4d338916ced96e1c1b572d843d15e1c1
LimeRAT
f46f42d48bccbc1ddf2758cac437b81e6d6c6d3e920d29ef2cbe627cc6a5f89f
LimeRAT
+ 1'326 additional samples on MalwareBazaar
Result
Malware family:
limerat
Create hunting rule
Score:
  10/10
Tags:
family:limerat rat
Link:
https://tria.ge/reports/210928-ld8g2abeek/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
autoit_exe
Legitimate hosting services abused for malware hosting/C2
Maps connected drives based on registry
Executes dropped EXE
LimeRAT
Unpacked files
SH256 hash:
d5e313d0eecd58054ea0f552c9bdc8088be3a90ee30467626c38d6ed8feb27e8
MD5 hash:
ba886ea86da920af3f59d5630b82b25f
SHA1 hash:
92776099f6d68619d9949ffd9e77a6889788326f
Link:
https://www.unpac.me/results/9a83beca-c404-41f1-af8b-8f57afd3150c/
SH256 hash:
a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8
MD5 hash:
a1575fcfa70b4ffa43aa2ecb18bfccc6
SHA1 hash:
526223f21d6b0a9d3c7d296042f3f6ef9b40e41d
Link:
https://www.unpac.me/results/9a83beca-c404-41f1-af8b-8f57afd3150c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/a645b7b13ef0/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a645b7b13ef04445fce49982d2eed6d8335ce0355a43e849909e14ea228588d8

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:ach_LimeRAT
Create hunting rule
Author:abuse.ch
Rule name:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:HKTL_NET_GUID_Lime_RAT
Create hunting rule
Author:Arnim Rupp
Description:Detects VB.NET red/black-team tools via typelibguid
Reference:https://github.com/NYAN-x-CAT/Lime-RAT
Rule name:MALWARE_Win_LimeRAT
Create hunting rule
Author:ditekSHen
Description:LimeRAT payload
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.

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