MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3
SHA3-384 hash: 0fc99face4c927f42f3f1b45fb2b132f4faee0385757b1b8baee1a751be78c3783b1bb31d4ec3678b1189335f3de695d
SHA1 hash: 928454bcce909ea349a03b14c043430905a88fdb
MD5 hash: ac382bfcfaea86b5749f7abc571ccf12
humanhash: iowa-hawaii-october-nevada
File name:file
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:482'304 bytes
First seen:2022-12-23 17:00:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c9b0c44044380df67a7de0c7865c0e2a (9 x RemcosRAT)
ssdeep 6144:EbdjQFiTrgVohW1ydxCrLkE7ZFCSq1zeH4L5WIMOHsAOZZL1XBcYs4:EbdUYCohW1kMfkEbCSqxeYdsfZLU4
Threatray 2'381 similar samples on MalwareBazaar
TLSH T131A4AE02BAD2C072D57121740D3AE735DAB8BD2128355A7BB3E61D5BFD30190A72A7B3
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 jstrosch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
174
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
amadey
Create hunting rule
ID:
1
File name:
15f57d45fe2a1e8da248cf9b3723d775.exe
Verdict:
Malicious activity
Analysis date:
2022-12-23 15:08:09 UTC
Tags:
trojan amadey opendir loader rat redline stealer remcos keylogger
Link:
https://app.any.run/tasks/257c5b6b-5894-44eb-a28a-861672690ddf

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Launching a process
Changing a file
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Running batch commands
Setting a keyboard event handler
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Launching a service
Creating a file in the Windows subdirectories
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the User Account Control
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
Link:
https://www.filescan.io/uploads/63a5ded0fccf0e7883038f80/reports/00039582-f030-4b09-88b1-548f504076a3/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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/164ba4b0-90f5-47cd-a2ec-8bb87065299b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1140116
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Deletes itself after installation
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
Uses cmd line tools excessively to alter registry or file data
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 772846 Sample: file.exe Startdate: 23/12/2022 Architecture: WINDOWS Score: 100 78 Malicious sample detected (through community Yara rule) 2->78 80 Antivirus detection for dropped file 2->80 82 Antivirus / Scanner detection for submitted sample 2->82 84 4 other signatures 2->84 10 file.exe 5 5 2->10         started        14 lkjhg.exe 1 1 2->14         started        16 lkjhg.exe 1 1 2->16         started        18 lkjhg.exe 1 1 2->18         started        process3 file4 72 C:\ProgramData\sdfghjk\lkjhg.exe, PE32 10->72 dropped 74 C:\Users\user\AppData\Local\...\zzqmvterh.vbs, data 10->74 dropped 76 C:\ProgramData\...\lkjhg.exe:Zone.Identifier, ASCII 10->76 dropped 100 Contains functionality to steal Chrome passwords or cookies 10->100 102 Contains functionality to steal Firefox passwords or cookies 10->102 104 Delayed program exit found 10->104 20 wscript.exe 1 10->20         started        23 cmd.exe 1 10->23         started        106 Writes to foreign memory regions 14->106 108 Maps a DLL or memory area into another process 14->108 25 cmd.exe 1 14->25         started        27 iexplore.exe 14->27         started        29 cmd.exe 1 16->29         started        31 iexplore.exe 16->31         started        33 cmd.exe 1 18->33         started        35 iexplore.exe 18->35         started        signatures5 process6 signatures7 86 Deletes itself after installation 20->86 37 cmd.exe 1 20->37         started        88 Uses cmd line tools excessively to alter registry or file data 23->88 39 reg.exe 1 23->39         started        42 conhost.exe 23->42         started        44 conhost.exe 25->44         started        46 reg.exe 1 25->46         started        48 conhost.exe 29->48         started        50 reg.exe 1 29->50         started        52 conhost.exe 33->52         started        54 reg.exe 1 33->54         started        process8 signatures9 56 lkjhg.exe 2 1 37->56         started        59 conhost.exe 37->59         started        90 Disables UAC (registry) 39->90 process10 signatures11 92 Antivirus detection for dropped file 56->92 94 Multi AV Scanner detection for dropped file 56->94 96 Machine Learning detection for dropped file 56->96 98 6 other signatures 56->98 61 cmd.exe 1 56->61         started        64 iexplore.exe 56->64         started        66 SgrmBroker.exe 56->66         started        process12 signatures13 110 Uses cmd line tools excessively to alter registry or file data 61->110 68 conhost.exe 61->68         started        70 reg.exe 1 61->70         started        process14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-12-23 13:08:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=674nd2762ox5cpvuoojkp5icma7mxfykqf6cefuczwhsuf77fozq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0cb9ffbc77206540a648b96e790d884f5662c114e831533e1eb31b63157e3953
RemcosRAT
4a8195f159274fb6b2edf61864824e9c686398ce60df94d23fabb21c48d57499
RemcosRAT
4b3b8c9037168a82409fbe027ecf77ba5b1b9262960b07dde8e15acfb1e3a5df
RemcosRAT
7a5870c5e7f9253deca223afcbf295a99ad0cc014543b26e162e56ad2f22a36e
RemcosRAT
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
RemcosRAT
8eeee12ec07cb66de78247ff89429970d6fddd4439813520ac1627350f42dfcc
RemcosRAT
9735527911fe79127bb4cac6cab68bb6e3da29592921e1cfbfcd496245aeb74f
RemcosRAT
aca726e507f4deb478fc351e0466920bbdd0d58b2b5e9433b29110e28cc56750
RemcosRAT
bd88a8e4487129f6545e17ca21c82b24f56944b4e25ca2f62a4a21a5dea137af
RemcosRAT
+ 2'371 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:12-22-22 evasion persistence rat trojan
Link:
https://tria.ge/reports/221223-vjjwasgg49/
Behaviour
Modifies registry class
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Deletes itself
Loads dropped DLL
Executes dropped EXE
Remcos
UAC bypass
Malware Config
C2 Extraction:
194.180.48.225:1024
Unpacked files
SH256 hash:
f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3
MD5 hash:
ac382bfcfaea86b5749f7abc571ccf12
SHA1 hash:
928454bcce909ea349a03b14c043430905a88fdb
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f87886b1-4d2a-46a5-9f37-c34b957f7ddf/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f7f8d1ebfed3/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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 f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2483081/
  
URLhaus
https://urlhaus.abuse.ch/url/2483084/

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