MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 efec42e842fb4f3a55881fef15c519b2c4fd66d195297361ef38ce24d9e6ddd4. 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: 13


Intelligence 13 IOCs 1 YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: efec42e842fb4f3a55881fef15c519b2c4fd66d195297361ef38ce24d9e6ddd4
SHA3-384 hash: eccd508d146feac7e2d4d027ced94bbb54c7ae9c01122d1f37b4a21175426b4bafb08f1add11c792f5aa5474c22067e8
SHA1 hash: c84d9f528de0e3a684be2512977a5c0a2ba557b5
MD5 hash: 1ac50e698f148dd78dcff2f8ad4c31a9
humanhash: ink-green-cardinal-asparagus
File name:payload.exe1
Download: download sample
Signature LimeRAT
Create hunting rule
File size:29'184 bytes
First seen:2022-07-14 08:04:38 UTC
Last seen:2022-07-16 05:02:34 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'747 x AgentTesla, 19'638 x Formbook, 12'244 x SnakeKeylogger)
ssdeep 384:rB+Sbj6NK8n269tAHNiQQqD2xUYmZvDKNrCeJE3WNgTvow5YRhWQdUQro3lc15Ud:Vp8269twNMxUhx45N6vowshUUgj
TLSH T1ECD25C0577E05345D2DC1AB60F7262550EB1EB4BAD3BFB2D0CC654D31EABAD18680AE2
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13101/52/3)
8.6% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter KdssSupport
Tags:exe LimeRAT


Avatar
KdssSupport
Uploaded with API

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
45.130.141.63:1337 https://threatfox.abuse.ch/ioc/836947/

Intelligence

File Origin
# of uploads :
3
# of downloads :
397
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
limerat
Create hunting rule
ID:
1
File name:
payload.exe
Verdict:
Malicious activity
Analysis date:
2022-07-13 19:20:58 UTC
Tags:
trojan limerat rat
Link:
https://app.any.run/tasks/7294e4af-7b52-4ed3-97af-de089106d213

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
LimeRAT
Create hunting rule
Link:
https://www.capesandbox.com/analysis/289034/
Detection(s):
Win.Malware.Barys-6836745-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a file
Creating a window
DNS request
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/62cfce4ad6d93426ceecbf02/reports/0fafda67-8bd3-46a1-9b13-c8ee9c2c85b1/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.
Result
Threat name:
LimeRAT
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1031202
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Connects to a pastebin service (likely for C&C)
Drops PE files with benign system names
Hides that the sample has been downloaded from the Internet (zone.identifier)
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
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Sigma detected: Schedule system process
Snort IDS alert for network traffic
System process connects to network (likely due to code injection or exploit)
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
Yara detected LimeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 663697 Sample: payload.exe1 Startdate: 14/07/2022 Architecture: WINDOWS Score: 100 36 Snort IDS alert for network traffic 2->36 38 Malicious sample detected (through community Yara rule) 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 10 other signatures 2->42 7 payload.exe 3 2->7         started        11 svchost.exe 1 2->11         started        process3 file4 22 C:\Users\user\AppData\Roaming\svchost.exe, PE32 7->22 dropped 24 C:\Users\user\AppData\...\payload.exe.log, ASCII 7->24 dropped 44 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 7->44 46 Uses schtasks.exe or at.exe to add and modify task schedules 7->46 48 Drops PE files with benign system names 7->48 50 Hides that the sample has been downloaded from the Internet (zone.identifier) 7->50 13 svchost.exe 20 8 7->13         started        18 schtasks.exe 1 7->18         started        52 Antivirus detection for dropped file 11->52 54 System process connects to network (likely due to code injection or exploit) 11->54 56 Multi AV Scanner detection for dropped file 11->56 58 Machine Learning detection for dropped file 11->58 signatures5 process6 dnsIp7 30 45.130.141.63, 1337, 49775 M247GB Netherlands 13->30 32 pastebin.com 104.20.67.143, 443, 49774 CLOUDFLARENETUS United States 13->32 34 192.168.2.1 unknown unknown 13->34 26 C:\Users\user\AppData\Roaming\IconLib.dll, PE32 13->26 dropped 28 C:\Users\user\AppData\...\Interop.Shell32.dll, PE32 13->28 dropped 60 System process connects to network (likely due to code injection or exploit) 13->60 62 Protects its processes via BreakOnTermination flag 13->62 20 conhost.exe 18->20         started        file8 signatures9 process10
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/efec42e842fb4f3a55881fef15c519b2c4fd66d195297361ef38ce24d9e6ddd4/
Threat name:
ByteCode-MSIL.Backdoor.LimeRAT
Create hunting rule
Status:
Malicious
First seen:
2022-07-14 08:05:12 UTC
File Type:
PE (.Net Exe)
AV detection:
26 of 26 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=57wef2cc7nhtuvmid7xrlrizwlcp2zwrsuuxgypphdhcjwpg3xka._file
Verdict:
malicious
Result
Malware family:
limerat
Create hunting rule
Score:
  10/10
Tags:
family:limerat rat
Link:
https://tria.ge/reports/220714-jyvessdgfn/
Behaviour
Creates scheduled task(s)
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
LimeRAT
Unpacked files
SH256 hash:
efec42e842fb4f3a55881fef15c519b2c4fd66d195297361ef38ce24d9e6ddd4
MD5 hash:
1ac50e698f148dd78dcff2f8ad4c31a9
SHA1 hash:
c84d9f528de0e3a684be2512977a5c0a2ba557b5
Link:
https://www.unpac.me/results/dfc7497d-7d30-49c6-a134-eeb28e0d3b0f/
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/efec42e842fb4f3a55881fef15c519b2c4fd66d195297361ef38ce24d9e6ddd4

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: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
Rule name:win_limerat_j1_00cfd931
Create hunting rule
Author:Johannes Bader
Description:detects the lime rat

File information

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

Web download

LimeRAT

Executable exe efec42e842fb4f3a55881fef15c519b2c4fd66d195297361ef38ce24d9e6ddd4

(this sample)

  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/289034/

Comments