MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48. 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: 15


Intelligence 15 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48
SHA3-384 hash: 3c19c162349d849756116e1e99a881533711283b74c72bcafe9de3c2a77906480a37cb400d7f20b1af6691c874bbfa75
SHA1 hash: c9d59060e3ee281c52aff93261665ea006e64f18
MD5 hash: a56017405c5e11a68dbe6be86220bccf
humanhash: louisiana-oregon-enemy-seventeen
File name:a56017405c5e11a68dbe6be86220bccf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'138'688 bytes
First seen:2023-06-12 09:22:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:ZY1mOV/NOa9Ji9+kQG0KUzoBxg+fH9L6fJOg9FReq:ZYUOV/NOaQw/ardMJOea
TLSH T18235012823FA9B0AC4BA7FFC8D146635C3F96D963133E30A4E9334E99D66B5444D0963
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 abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
283
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
a56017405c5e11a68dbe6be86220bccf.exe
Verdict:
Malicious activity
Analysis date:
2023-06-12 09:22:32 UTC
Tags:
keylogger remcos
Link:
https://app.any.run/tasks/218cb9d6-cd2c-4ad6-bbd9-8eea851ba9ce

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/397862/
Detection(s):
SecuriteInfo.com.MSIL.Kryptik.WZA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin packed
Link:
https://www.filescan.io/uploads/6486e3f708b287b7595b3a4a/reports/8b54a873-6037-41ae-83f9-e26fc439ca3a/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0fd26a24-b084-477f-a17c-28789e4631b4
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252830
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48/
Threat name:
ByteCode-MSIL.Trojan.Spynoon
Create hunting rule
Status:
Malicious
First seen:
2023-06-12 09:23:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=r2dbzp2dxvagreymwxxtqiokwfr7vve5ik3xyzvxb77y7iby3nea._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:htfruning rat
Link:
https://tria.ge/reports/230612-lcgb6abg71/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
seanblacin.sytes.net:6110
Unpacked files
SH256 hash:
c440617e04a50ced73c8ab992cbe8d8954a3e41f21f046ee9d1f2a41ea9b416d
MD5 hash:
9390df6c9a6111978dee5414bc42eda6
SHA1 hash:
d3cb1c366b9e466afa93eb369838a04d30777795
Link:
https://www.unpac.me/results/161cba04-e054-4eb3-93e0-66e3667915a1/
SH256 hash:
75f408682b79a6928e4674cc9e64876432f8d1982499eb8b62d12cd6aa6bc3ab
MD5 hash:
cf1eed1f253dae1e3e39f3bd9b411d6e
SHA1 hash:
9e1c30abc0927577b5af6c94e622a716165aac37
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/161cba04-e054-4eb3-93e0-66e3667915a1/
Parent samples :
18cd3063dcc655b5b9bffc3692d2e2fbc7199ee08e9c6ab01a1d7a6d6b9cc10e
8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48
ca19795538ded5ca26ae167d5417cc200d51ff7738e36695fbb05b305dbc15b6
9e6406269fe3e1f7a309e3ee01e4770d6f5c7abd2dead9afc7eddfedcdb04295
38106a2209026f52e0be443c19aa6f520ced381b00ce20ab78d547475cc24872
5e95168687b15de3724b3c8240c0b40cdb61c75b440d11a7fa72c2b247c920ae
a8ae7002d16df08878c864f8cd2f8722dfcb5950372f3b12c88f4e265f2eee40
34bfed7f2450542d851b696685ed0a43438683a54f1756a947119d7258a4adb1
df906c77d802e4e977ff24b11e1840d6948338250023a27b2b30ad9ac6e3f4ba
f60667b9e2a0a25221cdb47844149beb3b1cd08abbc3360e8684fad9d8aaa20e
49e4d4f6aaf967b656487d0d3dc27ecf3812b2d454b85339ae9ea79021bbe0d6
49e64d72d5ed4fb7967da4b6851d94cdceffe4ba0316587767a13901fe580239
99ed6e63a6e0562da0a4accc3c868a50a04e5c4f7757c99808eddf6979b84587
SH256 hash:
f8dbc6077f6b01c6eec334061d687ff1b291a2aa5513cf1e0b5bde4a8dbc5588
MD5 hash:
15aab611795bcbf2758052944013be1a
SHA1 hash:
772a1002b111e117cf3b1e9f0cabda4894777399
Link:
https://www.unpac.me/results/161cba04-e054-4eb3-93e0-66e3667915a1/
SH256 hash:
d6f05f667ceca107f28846b5a207373c4feef84ab3b9930b8f1b7dcda3baa416
MD5 hash:
de8eaebe2b55868666fdf36f991c9b1f
SHA1 hash:
5c18664f7ae3afaf0ee7a100f7174738f46659a1
Link:
https://www.unpac.me/results/161cba04-e054-4eb3-93e0-66e3667915a1/
SH256 hash:
fd12a5e902506cca3e9201974b812c9f9b97ac0607a70ca30ebc3fac3337e6a1
MD5 hash:
825ccdca1a1220748b0cd523dbab7f1d
SHA1 hash:
3c85b29eb941e77d88ad2cb6b4c6692121abde73
Link:
https://www.unpac.me/results/161cba04-e054-4eb3-93e0-66e3667915a1/
SH256 hash:
8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48
MD5 hash:
a56017405c5e11a68dbe6be86220bccf
SHA1 hash:
c9d59060e3ee281c52aff93261665ea006e64f18
Link:
https://www.unpac.me/results/161cba04-e054-4eb3-93e0-66e3667915a1/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8e861cbf43bd/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Web download

RemcosRAT

Executable exe 8e861cbf43bd4068930cb5ef3821cab163fad49d42b77c66b70fff8fa038db48

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2641293/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/397862/

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