MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 86f51ccc087df74110dfe190f66745f42a6941f4766c4b4d837318303f506af0. 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: 18


Intelligence 18 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 86f51ccc087df74110dfe190f66745f42a6941f4766c4b4d837318303f506af0
SHA3-384 hash: f4504c168e6a120be74a436ed2f953519234f19fb2a91965734e246823cbd94f71def4236cf96e1a2439855d4a398ff2
SHA1 hash: 1f135813e849410886fd12d5f84341dd9f7f0b06
MD5 hash: 2e0b232badd67366810bb3f84cf44d95
humanhash: hydrogen-north-vegan-crazy
File name:2e0b232badd67366810bb3f84cf44d95.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:487'936 bytes
First seen:2023-04-05 12:06:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1c8f7572a6db205362528e88fd3ff32 (21 x RemcosRAT)
ssdeep 12288:Y406AQY5PupeoDrQ+3JJmYZHQJs/ZPMtRq:M6A15PupeoDrQeZHQoZY
Threatray 1'787 similar samples on MalwareBazaar
TLSH T118A4AE01BAC2C072D57524340D2AF775DABCBC212935597BB3E91D6BFE30190A72A7B2
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
225
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
recover.bat
Verdict:
Malicious activity
Analysis date:
2023-04-05 00:42:14 UTC
Tags:
loader remcos
Link:
https://app.any.run/tasks/12eaecba-a3dd-476f-82e4-bc2f32098f8c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/380277/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Launching cmd.exe command interpreter
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Launching a process
Changing a file
Creating a file
Creating a process from a recently created file
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe evasive exploit explorer.exe fingerprint greyware keylogger rat remcos shell32.dll windows
Link:
https://www.filescan.io/uploads/642d6467497fb6f23efd8987/reports/8875c8c5-95df-420e-bbf2-b5ea4c2d6aef/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/86f51ccc087df74110dfe190f66745f42a6941f4766c4b4d837318303f506af0
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9544acbc-08bc-4414-9f9a-bad1b147c5ea
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1208819
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Disables UAC (registry)
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 841735 Sample: RweWWrIs3O.exe Startdate: 05/04/2023 Architecture: WINDOWS Score: 100 62 Malicious sample detected (through community Yara rule) 2->62 64 Antivirus / Scanner detection for submitted sample 2->64 66 Multi AV Scanner detection for submitted file 2->66 68 9 other signatures 2->68 8 RweWWrIs3O.exe 2 4 2->8         started        12 Chrome.exe 1 1 2->12         started        14 Chrome.exe 1 1 2->14         started        16 4 other processes 2->16 process3 file4 58 C:\Users\user\AppData\Roaming\...\Chrome.exe, PE32 8->58 dropped 60 C:\Users\user\...\Chrome.exe:Zone.Identifier, ASCII 8->60 dropped 84 Contains functionality to bypass UAC (CMSTPLUA) 8->84 86 Contains functionality to steal Chrome passwords or cookies 8->86 88 Contains functionality to steal Firefox passwords or cookies 8->88 90 Delayed program exit found 8->90 18 Chrome.exe 2 1 8->18         started        21 cmd.exe 1 8->21         started        92 Writes to foreign memory regions 12->92 94 Maps a DLL or memory area into another process 12->94 23 cmd.exe 1 12->23         started        25 iexplore.exe 12->25         started        27 cmd.exe 1 14->27         started        29 iexplore.exe 14->29         started        31 cmd.exe 1 16->31         started        33 iexplore.exe 16->33         started        signatures5 process6 signatures7 70 Antivirus detection for dropped file 18->70 72 Multi AV Scanner detection for dropped file 18->72 74 Machine Learning detection for dropped file 18->74 78 2 other signatures 18->78 35 cmd.exe 1 18->35         started        38 iexplore.exe 18->38         started        76 Uses cmd line tools excessively to alter registry or file data 21->76 40 reg.exe 1 21->40         started        42 conhost.exe 21->42         started        44 conhost.exe 23->44         started        46 reg.exe 1 23->46         started        48 conhost.exe 27->48         started        50 reg.exe 1 27->50         started        52 2 other processes 31->52 process8 signatures9 80 Uses cmd line tools excessively to alter registry or file data 35->80 54 conhost.exe 35->54         started        56 reg.exe 1 35->56         started        82 Disables UAC (registry) 40->82 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/86f51ccc087df74110dfe190f66745f42a6941f4766c4b4d837318303f506af0/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2023-03-24 23:55:28 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=q32rztaipx3uceg74gipmz2f6qvgsqpuozwewtmdommdap2qnlya._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0f8c7d288333c8d1c5d450abeaf869de3d58eb5e8d16138c52b0391cf7a645cc
RemcosRAT
155ca2a0805d91f0677c262aca5016c88459874cab0ec51c1953499479989f7e
RemcosRAT
52062e748f2857bf6bc3161cdfade85ec042d45093673514ca1787f7216a70f3
RemcosRAT
6c2e005c4bd6e0ec6402f78c2dbf971a3853ac0dc2bbb6017f6a5e27a8e770d6
RemcosRAT
9f9472ff68d38143574eebb20c6c45ad9e1ef8905c8a2fbf6bf5ff8ab30ec2f0
RemcosRAT
c9ec59e23695adca831f06aca398c511cac81f2fd65c7353f14b4725791ab80a
RemcosRAT
de0859dc256e79ebcf1787589be8826e08c775ceb8e40f45e55f86bb3b648725
RemcosRAT
edb9f32cbb6d90b4da858506351a2ca6bd2e5542c92ec5815cd9c18045f008e4
RemcosRAT
+ 1'777 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost evasion persistence rat trojan
Link:
https://tria.ge/reports/230405-paay5see66/
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
UAC bypass
Malware Config
C2 Extraction:
141.95.16.111:2404
Unpacked files
SH256 hash:
86f51ccc087df74110dfe190f66745f42a6941f4766c4b4d837318303f506af0
MD5 hash:
2e0b232badd67366810bb3f84cf44d95
SHA1 hash:
1f135813e849410886fd12d5f84341dd9f7f0b06
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/43b0f66b-01e3-42a8-8912-8e6f041f6aa6/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/86f51ccc087d/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/86f51ccc087df74110dfe190f66745f42a6941f4766c4b4d837318303f506af0

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:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.
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.

Cape
Cape
https://www.capesandbox.com/analysis/380277/

Comments