MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 78aa904a6d06db0ae3190ffdecda755b20e7c4dff3c8dd2061a7d35e7171d5ca. 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: 6


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

SHA256 hash: 78aa904a6d06db0ae3190ffdecda755b20e7c4dff3c8dd2061a7d35e7171d5ca
SHA3-384 hash: b47838962c4d189f7c03beb0f977ec0ee37930134568f0cdb4fccefe2ea7b8595cf8a5957f3aa1f2d56c5571be470cde
SHA1 hash: e481123bb8cf1a5790cbe9be9727ce37f511bda8
MD5 hash: 084eecf7d4654a7e7f4a7c4e6044c967
humanhash: potato-bacon-bravo-glucose
File name:officialdoc!_013_2020.exe
Download: download sample
Signature LimeRAT
Create hunting rule
File size:230'840 bytes
First seen:2020-12-03 08:35:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:Qxb7YFLLlBofoCkMiLnWhofonhdRop67bQc4VEec8oCWCrkTfg6gGircvOlBqwlV:CbkidX4rTMCrB
Threatray 26 similar samples on MalwareBazaar
TLSH F93463D2F341449AF97706B2F4ABCC1410D76EBDA072611E19FB76A299F3393206790B
Reporter abuse_ch
Tags:exe LimeRAT RAT


Avatar
abuse_ch
Malspam distributing LimeRAT:

HELO: karvelis.serveriai.lt
Sending IP: 79.98.28.33
From: Amanda, British Airways <info@saimis.lt>
Reply-To: amandasalman0x@protonmail.com
Subject: Itinerary Confirmation
Attachment: OfficialDoc.img (contains "officialdoc!_013_2020.exe")

LimeRAT C2:
15.188.8.52:1177

Intelligence

File Origin
# of uploads :
1
# of downloads :
795
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/106549/
Detection(s):
SecuriteInfo.com.Generic.mg.084eecf7d4654a7e.10921.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Running batch commands
Creating a process with a hidden window
Launching a process
DNS request
Adding an access-denied ACE
Launching the default Windows debugger (dwwin.exe)
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a window
Sending a custom TCP request
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Enabling autorun by creating a file
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/554429
Signature
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Connects to a pastebin service (likely for C&C)
Contains functionality to hide a thread from the debugger
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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 schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected LimeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 326313 Sample: officialdoc!_013_2020.exe Startdate: 03/12/2020 Architecture: WINDOWS Score: 100 71 Multi AV Scanner detection for dropped file 2->71 73 Yara detected AntiVM_3 2->73 75 Yara detected LimeRAT 2->75 77 6 other signatures 2->77 8 officialdoc!_013_2020.exe 15 3 2->8         started        12 OfficialDoc.exe 2->12         started        process3 dnsIp4 61 hastebin.com 104.24.126.89, 443, 49707, 49709 CLOUDFLARENETUS United States 8->61 79 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 8->79 81 Hides threads from debuggers 8->81 83 Injects a PE file into a foreign processes 8->83 85 Contains functionality to hide a thread from the debugger 8->85 14 officialdoc!_013_2020.exe 3 8->14         started        18 cmd.exe 1 8->18         started        20 WerFault.exe 23 9 8->20         started        22 cmd.exe 12->22         started        24 OfficialDoc.exe 12->24         started        26 WerFault.exe 12->26         started        signatures5 process6 file7 57 C:\Users\user\AppData\...\OfficialDoc.exe, PE32 14->57 dropped 59 C:\Users\...\officialdoc!_013_2020.exe.log, ASCII 14->59 dropped 97 Protects its processes via BreakOnTermination flag 14->97 99 Hides that the sample has been downloaded from the Internet (zone.identifier) 14->99 28 OfficialDoc.exe 14 4 14->28         started        32 schtasks.exe 1 14->32         started        34 timeout.exe 1 18->34         started        36 conhost.exe 18->36         started        38 conhost.exe 22->38         started        40 timeout.exe 22->40         started        signatures8 process9 dnsIp10 67 192.168.2.1 unknown unknown 28->67 69 hastebin.com 28->69 89 Machine Learning detection for dropped file 28->89 91 Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines) 28->91 93 Hides threads from debuggers 28->93 95 Injects a PE file into a foreign processes 28->95 42 OfficialDoc.exe 28->42         started        47 cmd.exe 28->47         started        49 conhost.exe 32->49         started        51 conhost.exe 34->51         started        53 timeout.exe 34->53         started        signatures11 process12 dnsIp13 63 pastebin.com 104.23.99.190, 443, 49717 CLOUDFLARENETUS United States 42->63 65 15.188.8.52, 1177, 49718 AMAZON-02US United States 42->65 55 C:\Users\user\AppData\Local\...\IconLib.dll, PE32 42->55 dropped 87 Protects its processes via BreakOnTermination flag 42->87 file14 signatures15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/78aa904a6d06db0ae3190ffdecda755b20e7c4dff3c8dd2061a7d35e7171d5ca/
Threat name:
ByteCode-MSIL.Trojan.Emotet
Create hunting rule
Status:
Malicious
First seen:
2020-12-03 08:36:14 UTC
AV detection:
26 of 48 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pcvjastna3nqvyyzb766zwtvlmqoprg76pen2idbu7jv44lr2xfa._file
Verdict:
unknown
Similar samples:
3dff78186451d97e6c3403b885ffb148cc7130b2b787b915041c7363feb74c68
LimeRAT
4b6226b41a638ea48776cb12ed1ae05b312c7a0d7d8546c13c80c4c2e039cc29
LimeRAT
640c6f9d631ba2de61496a6542cd25ff15bb7e90359a269aafc6934016c12fa8
LimeRAT
6fe8005b1469268e2edc5e10ee3b4b79ffe26c351d13313f8da14ef38db3d83d
LimeRAT
7952bdc31aff90112f8b774602374bec264496134716b132cfbc832107fd15fe
LimeRAT
843097123a40e1442b2f08ce9c77ebc909a3e77e1ea3b6f21981a579ab2ea9be
LimeRAT
8a31c332dfb8714bc0c66300102fa84ee54a4027ed40e2c7082957abb431c34e
LimeRAT
99b68453c0fe9b7440b10cbc6a839d8046819ae73a2ef9ca5b712e655e1416f7
LimeRAT
efddb8625f7f35e91fad6672c67fe3c5073ba036d95e640de966fe68025afaff
LimeRAT
f87678ca15f8ba7e74de529502715094f818e4e2e03f99179d7e67b0c6ee6651
LimeRAT
+ 16 additional samples on MalwareBazaar
Result
Malware family:
limerat
Create hunting rule
Score:
  10/10
Tags:
family:limerat rat
Link:
https://tria.ge/reports/201203-5faj5lcgts/
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Loads dropped DLL
Executes dropped EXE
ServiceHost packer
LimeRAT
Unpacked files
SH256 hash:
78aa904a6d06db0ae3190ffdecda755b20e7c4dff3c8dd2061a7d35e7171d5ca
MD5 hash:
084eecf7d4654a7e7f4a7c4e6044c967
SHA1 hash:
e481123bb8cf1a5790cbe9be9727ce37f511bda8
Link:
https://www.unpac.me/results/f6eef87e-854c-464e-9c78-ae14f64b36f9/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/78aa904a6d06db0ae3190ffdecda755b20e7c4dff3c8dd2061a7d35e7171d5ca

File information

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

Malspam

LimeRAT

img 75a158306a69245ccd3f2cafb279a56bdfb3dcc8fc88115547c737d0bf75603c

LimeRAT

Executable exe 78aa904a6d06db0ae3190ffdecda755b20e7c4dff3c8dd2061a7d35e7171d5ca

(this sample)

  
Dropped by
MD5 6cdcbc5d71ceb0b2436df16f19768226
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/106549/
  
Dropped by
SHA256 75a158306a69245ccd3f2cafb279a56bdfb3dcc8fc88115547c737d0bf75603c

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