MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 259548fd502ac150fb83988b9f8c3c49364909a5bea4bf71a168ff63d66f4afd. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 259548fd502ac150fb83988b9f8c3c49364909a5bea4bf71a168ff63d66f4afd
SHA3-384 hash: e01ee5c48d638fd7a72a0ca356687bc67bc8efe8b3b66115fbe873f57d9d7acad73ea38575cba4a13cf7c64c760a7252
SHA1 hash: 4d530a241bc9701b4113827862e0aa81eb576b76
MD5 hash: c9a90d5cd106933f8b535847771c2b6f
humanhash: video-august-april-hawaii
File name:file
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:2'266'112 bytes
First seen:2023-07-05 14:26:12 UTC
Last seen:2023-07-05 18:46:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:X1aaEybhGVfaZkDQNea5YQ9Qxrg/smCdBr94xVw9sGxYiSEd36OXLFTzGoGGoJ5f:MSf/NewYc9OF476xNXLFjGDm0
TLSH T129A5A86FDA6631DBC4B066F867735784CBE42A9334E9C7062AD871BA41FFAD64C44230
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)
File icon (PE):PE icon
dhash icon b261e0f0f0f071b2 (1 x RemcosRAT)
Reporter andretavare5
Tags:exe RemcosRAT


Avatar
andretavare5
Sample downloaded from http://194.180.48.72/SDK.exe

Intelligence

File Origin
# of uploads :
2
# of downloads :
320
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-05 14:26:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/01759255-5e80-44ee-8acf-41f1a2562543

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/407834/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.67995337.22776.6793.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Creating a window
Launching a process
Creating a file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
No Threat
Threat level:
  10/10
Confidence:
100%
Tags:
evasive
Link:
https://www.filescan.io/uploads/64a57db6b11846fed645e958/reports/ba049695-eb17-4334-bc18-189d8690747b/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/259548fd502ac150fb83988b9f8c3c49364909a5bea4bf71a168ff63d66f4afd
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/991ebb43-b10a-468d-bbfc-46fcd14dff9d
Result
Threat name:
DarkTortilla, Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1267339
Signature
C2 URLs / IPs found in malware configuration
Drops PE files to the startup folder
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected DarkTortilla Crypter
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1267339 Sample: file.exe Startdate: 05/07/2023 Architecture: WINDOWS Score: 100 41 i.ibb.co 2->41 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 Multi AV Scanner detection for submitted file 2->57 59 5 other signatures 2->59 9 file.exe 15 3 2->9         started        14 ssd.exe 2->14         started        signatures3 process4 dnsIp5 49 i.ibb.co 162.19.58.159, 443, 49707, 49708 CENTURYLINK-US-LEGACY-QWESTUS United States 9->49 39 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->39 dropped 71 Writes to foreign memory regions 9->71 73 Hides that the sample has been downloaded from the Internet (zone.identifier) 9->73 75 Injects a PE file into a foreign processes 9->75 16 InstallUtil.exe 4 9->16         started        19 InstallUtil.exe 9->19         started        file6 signatures7 process8 file9 33 C:\Users\user\AppData\Roaming\ssdr.exe, PE32 16->33 dropped 35 C:\Users\user\AppData\Roaming\SSDII.exe, PE32 16->35 dropped 21 ssdr.exe 14 6 16->21         started        26 SSDII.exe 14 2 16->26         started        process10 dnsIp11 43 i.ibb.co 21->43 37 C:\Users\user\AppData\Roaming\...\ssd.exe, PE32 21->37 dropped 61 Machine Learning detection for dropped file 21->61 63 Drops PE files to the startup folder 21->63 65 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->65 28 ssd.exe 21->28         started        45 162.19.58.157, 443, 49709, 49711 CENTURYLINK-US-LEGACY-QWESTUS United States 26->45 47 i.ibb.co 26->47 67 Writes to foreign memory regions 26->67 69 Injects a PE file into a foreign processes 26->69 31 InstallUtil.exe 26->31         started        file12 signatures13 process14 dnsIp15 51 i.ibb.co 28->51
Gathering data
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Suspicious
First seen:
2023-07-05 14:27:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
67
AV detection:
12 of 23 (52.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ewkur7kqflavb64dtcfz7db4je3escnfx2sl64nbnd7whvtpjl6q._file
Verdict:
malicious
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:testlod rat
Link:
https://tria.ge/reports/230705-rsefdsda24/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Drops startup file
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
https.myvnc.com:8899
Unpacked files
SH256 hash:
259548fd502ac150fb83988b9f8c3c49364909a5bea4bf71a168ff63d66f4afd
MD5 hash:
c9a90d5cd106933f8b535847771c2b6f
SHA1 hash:
4d530a241bc9701b4113827862e0aa81eb576b76
Link:
https://www.unpac.me/results/92ab4230-96f3-4b7b-9b7f-004c91913e7e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/259548fd502a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.71
Link:
https://yomi.yoroi.company/submissions/259548fd502ac150fb83988b9f8c3c49364909a5bea4bf71a168ff63d66f4afd

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
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/407834/
  
URLhaus
https://urlhaus.abuse.ch/url/2677039/

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