MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 671ae257a2fa478c737c173e0073b81a009458865c16549078328be69e07996b. 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: 14


Intelligence 14 IOCs YARA 9 File information Comments 1

SHA256 hash: 671ae257a2fa478c737c173e0073b81a009458865c16549078328be69e07996b
SHA3-384 hash: a934996d65d9f53cf86b3559e1e2e1a091ed2551b8aee2820f59ba1bc64fdd987246e7cc0d44707b2b254dcc8ff3a602
SHA1 hash: b69d8238d3bbcfe03210ad4687dd603dd27ddb41
MD5 hash: 6b4840db648fc6a2abbb5ede4e5a5d31
humanhash: hawaii-winter-shade-four
File name:6b4840db648fc6a2abbb5ede4e5a5d31
Download: download sample
Signature RemcosRAT
File size:785'920 bytes
First seen:2021-10-21 09:44:53 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 12288:ka/qUi2iNTZKgcb5HHGr1ZdVd0CpYb3rG5LuO39nqtnImHqzhO7PJK6G3iF:CUi11ZTcbJHGrPvqb39OtnqnGqPJKLSF
Threatray 1'896 similar samples on MalwareBazaar
TLSH T111F4016A7958C9A5C2392937BDCB834C27E97CF1A943D21D76C6F25A08703A20D750EF
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
167
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
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
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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 AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Bulz
Status:
Malicious
First seen:
2021-10-21 09:45:08 UTC
AV detection:
13 of 41 (31.71%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:remotehost 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
Remcos
Malware Config
C2 Extraction:
172.111.153.101:5888
Unpacked files
SH256 hash:
3853e8bb94fe7b20e302f1419a9092f33ef82edbd272deaf324981748586b8b9
MD5 hash:
2ecd66378715395a48ca3951f420e7a6
SHA1 hash:
9f183b5a49eb44d40d42dd6fbe1dff3ef2dd8b10
Detections:
win_remcos_g0
SH256 hash:
a44a95b13c7fb333832cb402aa9a41c54141deb832368e6b2d0c3492443db40c
MD5 hash:
0ca72f2fa57c1ab5b0242d0941238786
SHA1 hash:
7837730ec5ddea508977249037b6b877511808b8
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
SH256 hash:
671ae257a2fa478c737c173e0073b81a009458865c16549078328be69e07996b
MD5 hash:
6b4840db648fc6a2abbb5ede4e5a5d31
SHA1 hash:
b69d8238d3bbcfe03210ad4687dd603dd27ddb41
Malware family:
Verdict:
Malicious
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:ach_RemcosRAT
Author:abuse.ch
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Rule name:pe_imphash
Rule name:Remcos
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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 671ae257a2fa478c737c173e0073b81a009458865c16549078328be69e07996b

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2021-10-21 09:44:54 UTC

url : hxxp://107.172.13.131/00770077/vbc.exe