MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e391c863171dbe0a79e9ee01b3f221603e1dddb3938c3215980cd5b991578f4e. 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



RemcosRAT


Vendor detections: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: e391c863171dbe0a79e9ee01b3f221603e1dddb3938c3215980cd5b991578f4e
SHA3-384 hash: e77658e0cbc808882500ef66c09fc2ff1cafccad84cd704cf15e9be9614af8d592d8c9ea3b10b33ae0dd68106b336c47
SHA1 hash: d895820ac1631c9de8b6561aa9cf39099fb2407a
MD5 hash: 4bbf2d108f7e10872a657f7395a09eeb
humanhash: island-magazine-lake-zulu
File name:4bbf2d108f7e10872a657f7395a09eeb.exe
Download: download sample
Signature RemcosRAT
File size:1'122'816 bytes
First seen:2021-08-10 13:58:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:Y3KpPp9AR95ykxiTXesSdJwjG1XaD1dv2delN/KHoaHEnj/a0hR:7PpKRykw8dCjEAdv2Y+e/t
Threatray 409 similar samples on MalwareBazaar
TLSH T11F35124723809393C415AB3A109A63974670EED4DBA2EEE9BC41763E1DF6741CE427A3
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
124
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
E-Remittance Copy.xlsx
Verdict:
Malicious activity
Analysis date:
2021-08-10 13:25:35 UTC
Tags:
encrypted exploit CVE-2017-11882 loader rat remcos

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive video device information (via WMI, Win32_VideoController, 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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-08-10 05:58:40 UTC
AV detection:
12 of 28 (42.86%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost evasion rat
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Uses the VBS compiler for execution
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
Remcos
Malware Config
C2 Extraction:
45.137.22.101:5888
Unpacked files
SH256 hash:
b99da2391cfa71d44b94b3fad454ba2b538d38ce7d12f37f7f2f604a5ef8067a
MD5 hash:
cb4207e174c78f000889dc9f3aa93d0c
SHA1 hash:
8cb802e4cb5df80c4ce13e732732c88576075918
Detections:
win_remcos_g0
SH256 hash:
8128b4f44cb0ebfe0454b093e077ce47764850f2480445bdb5431ca3f9034dc0
MD5 hash:
6294b8b29f93e02b6042393559332c8b
SHA1 hash:
5f3a2e99677d19f856310a04b93ee147f498dfc1
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
SH256 hash:
e391c863171dbe0a79e9ee01b3f221603e1dddb3938c3215980cd5b991578f4e
MD5 hash:
4bbf2d108f7e10872a657f7395a09eeb
SHA1 hash:
d895820ac1631c9de8b6561aa9cf39099fb2407a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_imphash
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

RemcosRAT

Executable exe e391c863171dbe0a79e9ee01b3f221603e1dddb3938c3215980cd5b991578f4e

(this sample)

  
Delivery method
Distributed via web download

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