MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bff7a405dc189f102b598e9fbbc88ce74f6ef1bd9dac4fa7fc93e8841233ca32. 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: 11


Intelligence 11 IOCs YARA File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bff7a405dc189f102b598e9fbbc88ce74f6ef1bd9dac4fa7fc93e8841233ca32
SHA3-384 hash: fe8244aff0431374e4277ee34334931b6b3aecd9ad8d5d5c378c3e77597ea682de04ca424e60956d4fe8f44246003cc3
SHA1 hash: b69a0bda5d0cd65d65cf437a1b2d50b60f282b6f
MD5 hash: d55af7419949eb1630bf0e6b3684166e
humanhash: ohio-lithium-purple-ten
File name:d55af7419949eb1630bf0e6b3684166e.exe
Download: download sample
Signature LimeRAT
Create hunting rule
File size:437'940 bytes
First seen:2022-05-01 11:18:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 00be6e6c4f9e287672c8301b72bdabf3 (116 x RedLineStealer, 70 x AsyncRAT, 55 x AgentTesla)
ssdeep 6144:8/fAhvV6B8ErzPZp5wdz753RSkKJUH43YvN6sNmw3zi7qZ1l+/Axoq8L:YfAv6B8azBwdtK2H4IvN6YQq1l+YxEL
TLSH T10194E002FAD684B2E67229315D39A714A97CBD301F34DA5FB3C84D2DDA711C1A631BA3
TrID 80.5% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
9.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
3.1% (.EXE) Win64 Executable (generic) (10523/12/4)
1.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon c070cc9cfecde976 (4 x LimeRAT, 3 x CoinMiner)
Reporter abuse_ch
Tags:exe LimeRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
545
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d55af7419949eb1630bf0e6b3684166e.exe
Verdict:
Malicious activity
Analysis date:
2022-05-01 11:19:27 UTC
Tags:
loader
Link:
https://app.any.run/tasks/aa27c560-7c5a-4102-80d8-fd45eaf9c813

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/268088/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.31721986.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Using the Windows Management Instrumentation requests
Blocking a possibility to launch for the Windows Task Manager (taskmgr)
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Creating a file in the mass storage device
Enabling autorun by creating a file
Gathering data
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.
Malware family:
LimeRat
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a9c7629d-7b3b-4d10-94b0-e0bf901c8777
Result
Threat name:
LimeRAT
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/986098
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Connects to a pastebin service (likely for C&C)
Connects to many ports of the same IP (likely port scanning)
Creates an autostart registry key pointing to binary in C:\Windows
Creates multiple autostart registry keys
Disables the Windows task manager (taskmgr)
Drops PE files with a suspicious file extension
Drops PE files with benign system names
Drops VBS files to the startup folder
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)
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
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)
Tries to resolve many domain names, but no domain seems valid
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Windows Shell Script Host drops VBS files
Yara detected BatToExe compiled binary
Yara detected LimeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 618594 Sample: 54MipOJAzj.exe Startdate: 01/05/2022 Architecture: WINDOWS Score: 100 72 pastebin.com 2->72 74 rinog009.servehttp.com 2->74 76 62 other IPs or domains 2->76 100 Malicious sample detected (through community Yara rule) 2->100 102 Antivirus detection for URL or domain 2->102 104 Antivirus detection for dropped file 2->104 110 13 other signatures 2->110 11 54MipOJAzj.exe 17 2->11         started        15 winupdate.exe 2->15         started        17 winlogins.exe 2->17         started        signatures3 106 System process connects to network (likely due to code injection or exploit) 72->106 108 Tries to resolve many domain names, but no domain seems valid 74->108 process4 file5 50 C:\Users\user\AppData\Local\...\winupdate.exe, PE32+ 11->50 dropped 52 C:\Users\user\AppData\Local\...\winlogins.exe, PE32 11->52 dropped 54 C:\Users\user\AppData\...\windowsapp.exe, PE32 11->54 dropped 56 2 other malicious files 11->56 dropped 122 Drops PE files with a suspicious file extension 11->122 124 Drops PE files with benign system names 11->124 19 windowsapp.exe 6 11->19         started        22 cmd.exe 15->22         started        signatures6 process7 signatures8 112 Antivirus detection for dropped file 19->112 114 Machine Learning detection for dropped file 19->114 24 cmd.exe 3 9 19->24         started        process9 signatures10 120 Uses cmd line tools excessively to alter registry or file data 24->120 27 winlogins.exe 24->27         started        32 wscript.exe 24->32         started        34 wscript.exe 24->34         started        36 18 other processes 24->36 process11 dnsIp12 92 192.168.2.1 unknown unknown 27->92 58 C:\Users\user\AppData\...\winlogins.exe, PE32 27->58 dropped 60 C:\Users\user\AppData\...\winlogins.exe.log, ASCII 27->60 dropped 126 Antivirus detection for dropped file 27->126 128 Machine Learning detection for dropped file 27->128 130 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 27->130 146 2 other signatures 27->146 38 winlogins.exe 27->38         started        42 schtasks.exe 27->42         started        62 C:\Users\user\AppData\Roaming\...\z.vbs, UTF-8 32->62 dropped 64 C:\Users\user\AppData\Local\Temp\z.vbs, UTF-8 32->64 dropped 132 System process connects to network (likely due to code injection or exploit) 32->132 134 Windows Shell Script Host drops VBS files 32->134 136 Drops VBS files to the startup folder 32->136 138 Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes) 32->138 44 wscript.exe 32->44         started        66 C:\Users\user\AppData\Roaming\...\helps.vbs, UTF-8 34->66 dropped 68 C:\Users\user\AppData\Local\Temp\helps.vbs, UTF-8 34->68 dropped 140 Creates multiple autostart registry keys 34->140 46 wscript.exe 34->46         started        94 104.20.68.143, 443, 49746, 49748 CLOUDFLARENETUS United States 36->94 96 172.67.34.170, 443, 49750, 49768 CLOUDFLARENETUS United States 36->96 98 pastebin.com 104.20.67.143, 443, 49743, 49747 CLOUDFLARENETUS United States 36->98 70 C:\Users\user\AppData\...\winupdate.exe, PE32+ 36->70 dropped 142 Creates an autostart registry key pointing to binary in C:\Windows 36->142 144 Disables the Windows task manager (taskmgr) 36->144 file13 signatures14 process15 dnsIp16 86 2 other IPs or domains 38->86 116 Protects its processes via BreakOnTermination flag 38->116 48 conhost.exe 42->48         started        78 rinot972.zapto.org 44->78 80 rinot972.webhop.me 44->80 88 60 other IPs or domains 44->88 118 System process connects to network (likely due to code injection or exploit) 44->118 82 rogdo0239.zapto.org 46->82 84 rogdo0239.webhop.me 46->84 90 103 other IPs or domains 46->90 signatures17 process18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bff7a405dc189f102b598e9fbbc88ce74f6ef1bd9dac4fa7fc93e8841233ca32/
Threat name:
Win32.Exploit.Certutil
Create hunting rule
Status:
Malicious
First seen:
2022-05-01 00:01:41 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Result
Malware family:
xmrig
Create hunting rule
Score:
  10/10
Tags:
family:limerat family:xmrig evasion miner persistence rat
Link:
https://tria.ge/reports/220501-netrdadcb7/
Behaviour
Creates scheduled task(s)
Modifies registry class
Modifies registry key
Runs ping.exe
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Enumerates physical storage devices
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Loads dropped DLL
Blocklisted process makes network request
Disables Task Manager via registry modification
Downloads MZ/PE file
Executes dropped EXE
Sets file to hidden
XMRig Miner Payload
LimeRAT
xmrig
Unpacked files
SH256 hash:
2656acc8b645bbaa04799bc5f43725a8c7619f5e5c7f04acdda4b9ca3bd4eec9
MD5 hash:
ce2bbbfd01fcaa3a526d29def44dc215
SHA1 hash:
ad2525a6ac3d2aed185a879df6b4fe34d9f698eb
Detections:
win_koadic_auto
Create hunting rule
Link:
https://www.unpac.me/results/2f6a2586-a84c-4d61-9576-bc2687ba46b9/
SH256 hash:
bff7a405dc189f102b598e9fbbc88ce74f6ef1bd9dac4fa7fc93e8841233ca32
MD5 hash:
d55af7419949eb1630bf0e6b3684166e
SHA1 hash:
b69a0bda5d0cd65d65cf437a1b2d50b60f282b6f
Link:
https://www.unpac.me/results/2f6a2586-a84c-4d61-9576-bc2687ba46b9/
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/bff7a405dc189f102b598e9fbbc88ce74f6ef1bd9dac4fa7fc93e8841233ca32

File information

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

Web download

LimeRAT

Executable exe bff7a405dc189f102b598e9fbbc88ce74f6ef1bd9dac4fa7fc93e8841233ca32

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/268088/
  
URLhaus
https://urlhaus.abuse.ch/url/2173738/
  
Delivery method
Distributed via web download

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