MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b57d694b6d1f9e0634953e8f5c1e4faf84fb50be806a8887dd5b31bfd58a167f. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b57d694b6d1f9e0634953e8f5c1e4faf84fb50be806a8887dd5b31bfd58a167f
SHA3-384 hash: a43e89b5b80736880c995fe2e1fa7871558c84333d6db5b859cae1f9f02bd7990a2398e72609904ef4219464b84ff797
SHA1 hash: f1605f87331b2c980db3757adcfafb065e318f67
MD5 hash: 82ff2d4182e8d49b1553cfec4739011c
humanhash: ack-potato-lactose-emma
File name:Mortgage Description.exe
Download: download sample
Signature LimeRAT
Create hunting rule
File size:885'424 bytes
First seen:2021-02-11 07:19:47 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:Hx8sMsTP5fJ5joXK2LUxv7VNdr1GI1xc8aLSyGHt3C6Y:HW5stJ57xpLpLc8Zzt31Y
Threatray 272 similar samples on MalwareBazaar
TLSH 821549725791CF80D978F73A81A093182BF2FCDB5761E64A9F1A3AD025731CD1A3E609
Reporter abuse_ch
Tags:exe LimeRAT RAT


Avatar
abuse_ch
LimeRAT C2:
worldwreck.ddns.net

Intelligence

File Origin
# of uploads :
1
# of downloads :
624
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Mortgage Description.exe
Verdict:
Malicious activity
Analysis date:
2021-02-11 07:21:03 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9dfb5829-4fb0-452f-b84e-82771a669f23

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/116674/
Detection(s):
Win.Dropper.Bifrost-9830123-0
Create hunting rule

PUA.Win.Trojan.Generic-6629274-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending a custom TCP request
Creating a window
Running batch commands
Launching a process
Sending a UDP request
Creating a file in the %temp% directory
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Result
Verdict:
UNKNOWN
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/605399
Signature
.NET source code contains potential unpacker
Allocates memory in foreign processes
Binary contains a suspicious time stamp
Connects to a pastebin service (likely for C&C)
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Multi AV Scanner detection for dropped file
Protects its processes via BreakOnTermination flag
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected AntiVM_3
Yara detected LimeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 351736 Sample: Mortgage Description.exe Startdate: 11/02/2021 Architecture: WINDOWS Score: 100 52 worldwreck.ddns.net 2->52 60 Multi AV Scanner detection for dropped file 2->60 62 Yara detected AntiVM_3 2->62 64 Yara detected LimeRAT 2->64 66 7 other signatures 2->66 9 Mortgage Description.exe 15 7 2->9         started        signatures3 process4 dnsIp5 58 192.168.2.1 unknown unknown 9->58 42 C:\Users\user\...\Spread Sheet Reader.exe, PE32 9->42 dropped 44 C:\Users\user\AppData\...\InstallUtil.exe, PE32 9->44 dropped 46 Spread Sheet Reader.exe:Zone.Identifier, ASCII 9->46 dropped 48 C:\Users\...\Mortgage Description.exe.log, ASCII 9->48 dropped 72 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->72 14 Spread Sheet Reader.exe 14 5 9->14         started        18 cmd.exe 1 9->18         started        file6 signatures7 process8 file9 50 C:\Users\...\Reader Runtime Processes.exe, PE32 14->50 dropped 74 Writes to foreign memory regions 14->74 76 Allocates memory in foreign processes 14->76 78 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->78 80 Injects a PE file into a foreign processes 14->80 20 InstallUtil.exe 16 3 14->20         started        24 Reader Runtime Processes.exe 2 14->24         started        26 Reader Runtime Processes.exe 14->26         started        32 3 other processes 14->32 28 conhost.exe 18->28         started        30 reg.exe 1 1 18->30         started        signatures10 process11 dnsIp12 54 worldwreck.ddns.net 45.221.66.18, 15000, 16000 ASDETUKhttpwwwheficedcomGB Seychelles 20->54 56 pastebin.com 104.23.99.190, 443, 49734 CLOUDFLARENETUS United States 20->56 68 Protects its processes via BreakOnTermination flag 20->68 70 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 20->70 34 Reader Runtime Processes.exe 24->34         started        36 Reader Runtime Processes.exe 26->36         started        38 Reader Runtime Processes.exe 32->38         started        40 Reader Runtime Processes.exe 32->40         started        signatures13 process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b57d694b6d1f9e0634953e8f5c1e4faf84fb50be806a8887dd5b31bfd58a167f/
Threat name:
ByteCode-MSIL.Backdoor.Hesv
Create hunting rule
Status:
Malicious
First seen:
2021-02-11 07:40:08 UTC
AV detection:
21 of 29 (72.41%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wv6wss3nd6pamnevh2hvyhspv6cpwuf6qbvirb65lmy37vmkcz7q._file
Verdict:
suspicious
Similar samples:
13089dc94e2719723a0a73f4b193f2af29726d5cb2bea1aa86d5c832ba2822fc
LimeRAT
2f01970525500ba9024c7d2578ed317c6c8d51a482c15cf50506c862e9d18c35
LimeRAT
640317fbdeabebaec309917e29d48dd89725afd6cb0943b6a1a0d192767c63c5
LimeRAT
7107f4965f48165708f028a5541e4b945fb9fac1546c8a069752c2ad43065079
LimeRAT
84d9c4b6e6175152b0a96f6d629372d0e0f6709609373e0ccb0679b6b854b4e8
LimeRAT
8bb5e094fe793a06740ea5ab43ced903c8be03b623bf604fd10b704941d503b2
LimeRAT
8fde2bd043c16448fe13d733e35e388de4a95938f187682f60725d27da3653c8
LimeRAT
ac49b13a29865922dc70c90a504fd3d7de7c6c64396238d65a9d0cedf33b4065
LimeRAT
f17b941e86a7ba90d1452291d8357a8d02519d9ad1062d4c4a7fbf311a2499e4
LimeRAT
f82dc105aa33a5527b0c40a55fe650f0f323e969dc7012c7a24f583614c14158
LimeRAT
+ 262 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/210211-1ntyqnmrc6/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
b57d694b6d1f9e0634953e8f5c1e4faf84fb50be806a8887dd5b31bfd58a167f
MD5 hash:
82ff2d4182e8d49b1553cfec4739011c
SHA1 hash:
f1605f87331b2c980db3757adcfafb065e318f67
Link:
https://www.unpac.me/results/439e0987-2c74-40a5-8995-c7506a44ae44/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Backdoor
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/b57d694b6d1f9e0634953e8f5c1e4faf84fb50be806a8887dd5b31bfd58a167f

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

File information

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

Malspam

LimeRAT

Executable exe b57d694b6d1f9e0634953e8f5c1e4faf84fb50be806a8887dd5b31bfd58a167f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/116674/

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