MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e94f3e56345a0a4fa3708997810c074312c8234c7065bd3205583b46ef483831. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e94f3e56345a0a4fa3708997810c074312c8234c7065bd3205583b46ef483831
SHA3-384 hash: eaebf942fabb84adbd550f2bff1e0eaaaa8417d09670107b871774b846cfa4b335ca492a24528ebf4602ee8aa5ef74c4
SHA1 hash: c8d6f34cc51cb3a8cdda291f487ed3988f1adc75
MD5 hash: 05b3b6088aae224768bca2d2f11c1ff0
humanhash: uncle-alpha-dakota-missouri
File name:00000000.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:726'528 bytes
First seen:2023-01-05 13:00:34 UTC
Last seen:2023-01-05 14:37:52 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:VhNDqyY7F1p33jlZOF4pYQAAZGHwzk3Y2jSqKq:HNDeR1R3jlZOF4dAikwQAq
Threatray 2'415 similar samples on MalwareBazaar
TLSH T112F4CF7053D6C9BDD29903B4C820C2335231ED4621EDD74B06E89CA7BD5B7CE982AE97
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 0000000000000000 (872 x AgentTesla, 496 x Formbook, 296 x RedLineStealer)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
186
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
00000000.exe
Verdict:
Malicious activity
Analysis date:
2023-01-05 13:01:23 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/1a70bafd-ea6a-4224-b450-f9a933380be1

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/349656/
Detection(s):
SecuriteInfo.com.Variant.Barys.49095.23994.7028.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
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
DNS request
Sending an HTTP GET request
Reading critical registry keys
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Sending a TCP request to an infection source
Stealing user critical data
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/63b6ca0f0e926711fd770bc3/reports/f5face00-9f2d-4b74-9e82-5c03f1127342/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:
Malicious
Link:
https://analyze.intezer.com/analyses/4d972a58-0aff-4550-942e-a9bcae94b581
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1145639
Signature
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Injects a PE file into a foreign processes
Installs a global keyboard hook
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 domain / URL
Sigma detected: Remcos
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 778371 Sample: 00000000.exe Startdate: 05/01/2023 Architecture: WINDOWS Score: 100 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 6 other signatures 2->81 12 00000000.exe 3 2->12         started        16 worldclass.exe 2->16         started        18 worldclass.exe 2 2->18         started        20 worldclass.exe 2->20         started        process3 file4 67 C:\Users\user\AppData\...\00000000.exe.log, ASCII 12->67 dropped 91 Injects a PE file into a foreign processes 12->91 22 00000000.exe 5 5 12->22         started        25 worldclass.exe 16->25         started        27 worldclass.exe 18->27         started        29 worldclass.exe 20->29         started        signatures5 process6 file7 59 C:\Users\user\AppData\...\worldclass.exe, PE32 22->59 dropped 61 C:\Users\...\worldclass.exe:Zone.Identifier, ASCII 22->61 dropped 63 C:\Users\user\...\rtvfniqxofthuzqgnlfd.vbs, data 22->63 dropped 31 wscript.exe 1 22->31         started        33 WerFault.exe 25->33         started        process8 process9 35 cmd.exe 1 31->35         started        process10 37 worldclass.exe 3 35->37         started        40 conhost.exe 35->40         started        signatures11 83 Machine Learning detection for dropped file 37->83 85 Injects a PE file into a foreign processes 37->85 42 worldclass.exe 2 18 37->42         started        process12 dnsIp13 71 91.193.75.188, 49698, 49699, 49700 DAVID_CRAIGGG Serbia 42->71 73 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 42->73 65 C:\ProgramData\remcos\logs.dat, data 42->65 dropped 87 Maps a DLL or memory area into another process 42->87 89 Installs a global keyboard hook 42->89 47 worldclass.exe 1 42->47         started        50 worldclass.exe 42->50         started        52 worldclass.exe 42->52         started        54 15 other processes 42->54 file14 signatures15 process16 dnsIp17 93 Tries to steal Instant Messenger accounts or passwords 47->93 95 Tries to steal Mail credentials (via file / registry access) 47->95 69 192.168.2.1 unknown unknown 54->69 97 Tries to harvest and steal browser information (history, passwords, etc) 54->97 57 WerFault.exe 54->57         started        signatures18 process19
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/e94f3e56345a0a4fa3708997810c074312c8234c7065bd3205583b46ef483831/
Threat name:
ByteCode-MSIL.Trojan.Barys
Create hunting rule
Status:
Malicious
First seen:
2023-01-05 13:01:09 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5fht4vrulife7i3qrglycdahimjmqi2mobs32mqfla5un32ihayq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0cb9ffbc77206540a648b96e790d884f5662c114e831533e1eb31b63157e3953
RemcosRAT
4a8195f159274fb6b2edf61864824e9c686398ce60df94d23fabb21c48d57499
RemcosRAT
4b3b8c9037168a82409fbe027ecf77ba5b1b9262960b07dde8e15acfb1e3a5df
RemcosRAT
5324e064b98586e1f727eac2ab089af2c466e9b702af73d7fff281e17f725ee8
RemcosRAT
7a5870c5e7f9253deca223afcbf295a99ad0cc014543b26e162e56ad2f22a36e
RemcosRAT
8eeee12ec07cb66de78247ff89429970d6fddd4439813520ac1627350f42dfcc
RemcosRAT
9735527911fe79127bb4cac6cab68bb6e3da29592921e1cfbfcd496245aeb74f
RemcosRAT
ae86ff848167aff1ce842e1c0e77bea0a84dfcb0ec4f115086c99225775c80c4
RemcosRAT
f74adb5022803397214f21afffa91f0e5579bdd80b0fd0de0ca62f9b920b994d
RemcosRAT
+ 2'405 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:worldclass collection persistence rat spyware stealer
Link:
https://tria.ge/reports/230105-p88casfe6v/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
91.193.75.188:60005
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/49e04616-b90c-4ec4-b09b-054d86ec8cc5
Unpacked files
SH256 hash:
ca179fc338ee2fc42871572c7c7434389a4743025bf06a78c8388d7576ade628
MD5 hash:
ca35d0c552512716337396e11fab83c3
SHA1 hash:
28a2b8bc9e9a4a38d0b2d03e97a0119199fdc47d
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/cbb855b7-a0f9-4af0-bdee-94b52050709c/
SH256 hash:
e94f3e56345a0a4fa3708997810c074312c8234c7065bd3205583b46ef483831
MD5 hash:
05b3b6088aae224768bca2d2f11c1ff0
SHA1 hash:
c8d6f34cc51cb3a8cdda291f487ed3988f1adc75
Link:
https://www.unpac.me/results/cbb855b7-a0f9-4af0-bdee-94b52050709c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e94f3e56345a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/e94f3e56345a0a4fa3708997810c074312c8234c7065bd3205583b46ef483831

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_EXE_Packed_SmartAssembly
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with SmartAssembly
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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.

Malspam

RemcosRAT

Executable exe e94f3e56345a0a4fa3708997810c074312c8234c7065bd3205583b46ef483831

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/349656/

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