MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6. 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 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6
SHA3-384 hash: bd0c6c10dad9dae464cac49017bb6ff4a88f803d2b4395a6bd180fffbff3dd782591914bfa3e4fd3e2e40fdb8a174dea
SHA1 hash: c9134c31413e20b1d1c13a16c0c3dec30d3ad825
MD5 hash: 33d81b112ce5bf444f89a72334729ce1
humanhash: happy-helium-alabama-quebec
File name:33d81b112ce5bf444f89a72334729ce1
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'105'920 bytes
First seen:2022-11-23 23:00:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:uVnc4FmLpcPtB4s1fHD/uHbfjOZsH/RYENMlctI2ajD4HMo7EaPr8:ynRFmLpcII7/u7rzZJM+tIND4HD7Eg
Threatray 7'155 similar samples on MalwareBazaar
TLSH T127357C2DB9BCF412EE2AAAB70EF69A4BCD305101161E81171D2937DEE8358773D8D44B
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
INV2796INV-SIN2022.doc
Verdict:
Malicious activity
Analysis date:
2022-11-15 11:37:18 UTC
Tags:
exploit cve-2017-11882 loader trojan rat remcos keylogger
Link:
https://app.any.run/tasks/4788b406-a5a7-4669-925b-7550835c4976

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/337850/
Detection(s):
SecuriteInfo.com.Trojan.Inject4.46272.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/637ea62e5be128ac718e8fc8/reports/14b40281-bd74-448e-be0a-beb7c847e341/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/c8121cee-3ef4-441d-833b-22a47146704a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1120180
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-11-15 03:17:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
24 of 39 (61.54%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=iby3tdul6rawdtv7rrql6jcjcpwkw4ke7f2qb7zikrc7fhlaixda._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
4c26268e01117b5cf41d2f14689452912d708e64af0040ed75a40c94b0a943ea
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
e68ebc948356b0560fee06f52939504005fd848a93ccc41b4840c1db318a5409
RemcosRAT
+ 7'145 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/221123-2zh29sec5x/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
mesa67279.sytes.net:9900
Unpacked files
SH256 hash:
580fedc43f472230d54c8962f26b21f556f4172f468f70f15f06773458be5cab
MD5 hash:
9bf79dd819dc4d4e0b6b6fe6e3285ddb
SHA1 hash:
d3840de71b7173364e05f0080c72ea12080bdabe
Link:
https://www.unpac.me/results/5ceaa70f-4f32-4d94-952e-83ed87c0b109/
SH256 hash:
a989e77a68e31f87ed86c567e7b405cdbdc91de28f84e97b0a5c84d86dcaf44f
MD5 hash:
9c4dd510bcdfb552a12887d2c196f409
SHA1 hash:
6b1e9459064b2775813ab8101e9a492ae444399c
Link:
https://www.unpac.me/results/5ceaa70f-4f32-4d94-952e-83ed87c0b109/
SH256 hash:
ee37e7edd8770e0f0bfc0e5ef84217d7cb7908100671ca443c29d443c12d55b9
MD5 hash:
e13e2e3e743268b236a1ff37e3c17cc2
SHA1 hash:
56bfd4700398aa305cdee8b415850142bf8c842d
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/5ceaa70f-4f32-4d94-952e-83ed87c0b109/
Parent samples :
1c64ec517c691c29d701145d08a3eae4d783b73d6c79aef024ff9d801c54bcd1
7337db69a20a40af35453369ceabe00d6bff13e5ba8199a294f7bad7c0ee007d
2c59459ca6467913297ed13460ee6f5ec2aa85b4824d339a8f9ac01d83b86dea
8a30ec1b66ef03adde9757a0b8c1fb554bd0a09a9ff5d2486da51a4a1ab7d940
a25c4d0ef5afa1991e30cedabbc3d4104dee76cbe92ed788b508a3f595f0ced3
bb1d45eb0cad32a9458ba080b0fd48cc19f0170002cd0f1a62adf644106e4563
f7f7a09c83f4a5ae327e02aa2eacc52ec0460d3f7dc8fc60c13039f14c9a539f
3b6230848d1a806ee90954b3e2a6ccaf020ed90d91eb29f231badf12cebf0dcf
4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6
SH256 hash:
744928a56b4d36f17e73eea0534c5e99103d1553d5b0a864a6fd9d4f9899b47f
MD5 hash:
91fed5db1afcdf48e0cd6d4058a013ba
SHA1 hash:
3717b3346e25d3f66f00626ad1a771d8655f485f
Link:
https://www.unpac.me/results/5ceaa70f-4f32-4d94-952e-83ed87c0b109/
SH256 hash:
ab19f28c700d64814b0c55df868c30dfb94e0a1f9fb6f7bca05bac6eb78a4e52
MD5 hash:
1f2a6c02dcf9aa00a28a5039fb5b8ce0
SHA1 hash:
1ef480867d39b98368af7586a8e6ba38c0c3893a
Link:
https://www.unpac.me/results/5ceaa70f-4f32-4d94-952e-83ed87c0b109/
SH256 hash:
4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6
MD5 hash:
33d81b112ce5bf444f89a72334729ce1
SHA1 hash:
c9134c31413e20b1d1c13a16c0c3dec30d3ad825
Link:
https://www.unpac.me/results/5ceaa70f-4f32-4d94-952e-83ed87c0b109/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/4071b98e8bf4/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.95
Link:
https://yomi.yoroi.company/submissions/4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
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 4071b98e8bf44161cebf8c60bf244913ecab7144f97500ff285445f29d6045c6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2260834/
Cape
Cape
https://www.capesandbox.com/analysis/337850/

Comments


Avatar
zbet commented on 2022-11-23 23:00:15 UTC

url : hxxp://208.67.105.179/plugmanzx.exe