MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 888459235942199e1cbe86db506800b9f4c43c7f6c44a659ed2de269ce0644a4. 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: 888459235942199e1cbe86db506800b9f4c43c7f6c44a659ed2de269ce0644a4
SHA3-384 hash: af2e23e1821954099a57900902db984349eb3600f82c5076b90db38ad24fb9148a49b6b09e326c2da4f61e132035b8da
SHA1 hash: 0cf2f1126f39e704f8302cf59eb7941360f3e374
MD5 hash: c700825c6b725e9fc0708da7de0aad2c
humanhash: vegan-low-one-india
File name:c700825c6b725e9fc0708da7de0aad2c
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:76'288 bytes
First seen:2022-04-01 14:28:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'453 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 1536:PG0bOQU+iopiA+bHq0R4Co0s7yj7c0q1e:u0bqYzCo8/c0q1e
Threatray 1'946 similar samples on MalwareBazaar
TLSH T1CC73A1A1BE84F629C12A2C32DB12DAF5C127BD27C9719A537CC87F5F7933642841172A
File icon (PE):PE icon
dhash icon 3d7de4e1e1610d15 (7 x NanoCore, 5 x AgentTesla, 4 x SnakeKeylogger)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
231
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
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ID:
1
File name:
http://136.144.41.109/CFQ.exe
Verdict:
Malicious activity
Analysis date:
2022-04-01 16:17:50 UTC
Tags:
loader opendir rat remcos
Link:
https://app.any.run/tasks/dc72e9ec-400d-42f3-92e8-7c6b714d2a21

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.W32.MSIL_Agent.CSU.genEldorado.12294.30898.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file in the %AppData% subdirectories
Creating a file
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
obfuscated packed
Link:
https://www.filescan.io/uploads/62470c31a19c649412b98877/reports/35ea1b34-58a7-4559-9c7c-51998696901e/overview
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ad51c276-63ad-4347-a1d7-7a99f681fb64
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/969065
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Antivirus detection for URL or domain
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an undocumented autostart registry key
Delayed program exit found
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 601552 Sample: o4GitygOGC Startdate: 01/04/2022 Architecture: WINDOWS Score: 100 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus detection for URL or domain 2->78 80 Antivirus detection for dropped file 2->80 82 10 other signatures 2->82 11 o4GitygOGC.exe 15 7 2->11         started        16 qos.exe 3 2->16         started        18 qos.exe 2->18         started        process3 dnsIp4 74 136.144.41.109, 49758, 49782, 49784 WORLDSTREAMNL Netherlands 11->74 66 C:\Users\user\AppData\Roaming\...\dfrgui.exe, PE32 11->66 dropped 68 C:\Users\user\...\dfrgui.exe:Zone.Identifier, ASCII 11->68 dropped 70 C:\Users\user\AppData\...\o4GitygOGC.exe.log, ASCII 11->70 dropped 86 Creates an undocumented autostart registry key 11->86 88 Contains functionality to steal Chrome passwords or cookies 11->88 90 Contains functionality to inject code into remote processes 11->90 92 3 other signatures 11->92 20 o4GitygOGC.exe 4 4 11->20         started        23 cmd.exe 1 11->23         started        25 cmd.exe 16->25         started        27 cmd.exe 18->27         started        file5 signatures6 process7 file8 60 C:\Users\user\AppData\Roaming\qos.exe, PE32 20->60 dropped 62 C:\Users\user\...\qos.exe:Zone.Identifier, ASCII 20->62 dropped 64 C:\Users\user\AppData\Local\...\install.vbs, data 20->64 dropped 29 wscript.exe 1 20->29         started        31 conhost.exe 23->31         started        33 timeout.exe 1 23->33         started        35 conhost.exe 25->35         started        37 timeout.exe 25->37         started        39 conhost.exe 27->39         started        41 timeout.exe 27->41         started        process9 process10 43 cmd.exe 1 29->43         started        process11 45 qos.exe 14 5 43->45         started        48 conhost.exe 43->48         started        signatures12 94 Multi AV Scanner detection for dropped file 45->94 96 Machine Learning detection for dropped file 45->96 98 Contains functionality to steal Chrome passwords or cookies 45->98 100 3 other signatures 45->100 50 qos.exe 45->50         started        54 cmd.exe 1 45->54         started        process13 dnsIp14 72 drgeraldvanluven12.zapto.org 136.144.41.101, 2431, 49793 WORLDSTREAMNL Netherlands 50->72 84 Installs a global keyboard hook 50->84 56 conhost.exe 54->56         started        58 timeout.exe 1 54->58         started        signatures15 process16
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/888459235942199e1cbe86db506800b9f4c43c7f6c44a659ed2de269ce0644a4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-04-01 14:29:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=rccfsi2ziimz4hf6q3nva2aaxh2mipd7nrckmwpnfxrgttqgissa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2d6b7a5513ed0cb451701bb494fb87382061195c115ede553f062b4fc0fd4f97
RemcosRAT
4ce893ef0bd7abeb769c3c3e57863700f41882befbee770733f0da86e015e7cb
RemcosRAT
724b6b5e627086ff22b9f2d2c045faa880dea62f513a694058b452aa1b6cad6f
RemcosRAT
8342c94ddfd4cca232e9d1cd5faed48fdce02a694b062606b938401b502a0c30
RemcosRAT
a4b821d0cadc92c344c8b60f5290a5e5520fd1fb3813b88c529c48d285b72c63
RemcosRAT
d98541f0e7659a620cfd349405facb991e7e7973e90f7bef7f7882315023e96f
RemcosRAT
e12fdcfde01952915157328b7afec8830f172814db0ce8d8658d427088b728d0
RemcosRAT
+ 1'936 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:cmoney-host persistence rat
Link:
https://tria.ge/reports/220401-rtjrhahadl/
Behaviour
Delays execution with timeout.exe
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
drgeraldvanluven12.zapto.org:2431
Unpacked files
SH256 hash:
888459235942199e1cbe86db506800b9f4c43c7f6c44a659ed2de269ce0644a4
MD5 hash:
c700825c6b725e9fc0708da7de0aad2c
SHA1 hash:
0cf2f1126f39e704f8302cf59eb7941360f3e374
Link:
https://www.unpac.me/results/26e644d4-e89a-43ed-ac8f-c1e66365d338/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/888459235942/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.35
Link:
https://yomi.yoroi.company/submissions/888459235942199e1cbe86db506800b9f4c43c7f6c44a659ed2de269ce0644a4

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
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Rule name:Skystars_Malware_Imphash
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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 888459235942199e1cbe86db506800b9f4c43c7f6c44a659ed2de269ce0644a4

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2127070/

Comments


Avatar
zbet commented on 2022-04-01 14:28:21 UTC

url : hxxp://136.144.41.109/CFQ.exe