MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d
SHA3-384 hash: cdb3e1822717d5f2ba6c5a3109be345c20c97c46265194522dbfe70a2127027f32c26c487635a86d2e990eb1b934b160
SHA1 hash: a584f9949a4e6396e6254d0d24e3b8eaf311397d
MD5 hash: dda39f87fcbb3e92a907f3e45fc4bb03
humanhash: cold-seven-uniform-angel
File name:dda39f87fcbb3e92a907f3e45fc4bb03
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:989'696 bytes
First seen:2023-04-22 01:21:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:7MusL8g2DOwmiVzDxFskhhnfwfbUV44oh+N:Wd2DO/ezZzfwfbp4K+
Threatray 1'850 similar samples on MalwareBazaar
TLSH T17825126DB37EEE1AD1AC467AD0D6041103F16646A427E7099CD630CE662FBC24EC1F9B
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69e8b2f0d0c4e830 (5 x RemcosRAT)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
269
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
dda39f87fcbb3e92a907f3e45fc4bb03
Verdict:
Malicious activity
Analysis date:
2023-04-22 01:24:17 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/756794c3-35ac-444e-9b3f-27c55a75c21a

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/384091/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
floxif lokibot packed virus
Link:
https://www.filescan.io/uploads/644336bc7ee5da80cfe03158/reports/e0d7eea0-8039-4b83-829e-be1853bdd0f9/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d
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/96ff3efa-b5d1-42bd-aa9e-9a93a8480c5b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1218976
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found 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)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 851922 Sample: bKMO1hNqhT.exe Startdate: 22/04/2023 Architecture: WINDOWS Score: 100 58 Multi AV Scanner detection for domain / URL 2->58 60 Found malware configuration 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 8 other signatures 2->64 10 bKMO1hNqhT.exe 3 2->10         started        14 los.exe 2->14         started        16 los.exe 2 2->16         started        18 los.exe 2 2->18         started        process3 file4 52 C:\Users\user\AppData\...\bKMO1hNqhT.exe.log, ASCII 10->52 dropped 72 Contains functionality to steal Chrome passwords or cookies 10->72 74 Contains functionality to modify clipboard data 10->74 76 Contains functionality to steal Firefox passwords or cookies 10->76 78 Delayed program exit found 10->78 20 bKMO1hNqhT.exe 5 4 10->20         started        80 Injects a PE file into a foreign processes 14->80 23 los.exe 14->23         started        25 los.exe 16->25         started        27 los.exe 16->27         started        29 los.exe 16->29         started        31 los.exe 18->31         started        signatures5 process6 file7 46 C:\Users\user\AppData\Roaming\los.exe, PE32 20->46 dropped 48 C:\Users\user\...\los.exe:Zone.Identifier, ASCII 20->48 dropped 50 C:\Users\user\AppData\...\vuhbhziiotzlcz.vbs, data 20->50 dropped 33 wscript.exe 1 20->33         started        process8 process9 35 cmd.exe 1 33->35         started        process10 37 los.exe 3 35->37         started        40 conhost.exe 35->40         started        signatures11 66 Antivirus detection for dropped file 37->66 68 Multi AV Scanner detection for dropped file 37->68 70 Machine Learning detection for dropped file 37->70 42 los.exe 2 14 37->42         started        process12 dnsIp13 54 nadiac7806.hopto.org 193.42.32.86, 2397, 49695 EENET-ASEE Germany 42->54 56 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 42->56 82 Installs a global keyboard hook 42->82 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-20 17:21:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
12 of 37 (32.43%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ex75bemdonscnrz7opjwkzomk36wzkudv7uws4foiturspihbawq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
07050af33c4d45af03caa34bbf61a832ec4cfb84535aaae85097176e0defcf11
RemcosRAT
0e1b5e7257b490e22a966862602dee637a6a192f55527137d6c3a94bc9dc34ca
RemcosRAT
2d22ca8b9903fccf7e1408139e3241b9af152065ec3810ba1166d2f6b1597ef1
RemcosRAT
32369a358b4448ddac71ca827be83465a2afc4be4d64b8693fbc0bac455b08a1
RemcosRAT
3c336f0766602ad44789d9fecbc8a2ec417bcdf97bb5dd091c8587d0507bb1bc
RemcosRAT
4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75
RemcosRAT
4d79b33e220433112cc2b309be56a1fa511d59c376b19df936c5debbd14d4728
RemcosRAT
aa6a12febef7559e930436965c1df266091fd66c3b918f220a67c96b60c37d03
RemcosRAT
aefce2215c6d2f0653119ad36953fe2dd9de3d6ab03670b68c14adc8921c9d94
RemcosRAT
+ 1'840 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mekino-remotehost persistence rat
Link:
https://tria.ge/reports/230422-bq8y8abe55/
Behaviour
Modifies registry class
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
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
nadiac7806.hopto.org:2397
Unpacked files
SH256 hash:
eba4f2f2378207245291cc4dbd847e6256c706b2c20077be8a046c71fbd840d5
MD5 hash:
27ba5df8871e9581fbb056196c8c87cd
SHA1 hash:
dbe9cfc20bbe1d66fe4c525b841cabd1614b6907
Link:
https://www.unpac.me/results/62f2b83b-b97d-4299-9775-03ed51e6f94f/
SH256 hash:
8cd6a9f4c4ec925abcf2c7aa285231c2e24a73bf261b856a27fc7009ce3d7cba
MD5 hash:
ac276086512b08e62a358841fdb5f48c
SHA1 hash:
ba1de6c9e8e1d23f08d9a390285e256bfc2cf836
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/62f2b83b-b97d-4299-9775-03ed51e6f94f/
Parent samples :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 hash:
4eac87d6896bdc619f9fc80b30fa1e2bf095ffca08c653161538858cd263b572
MD5 hash:
129294d744dd031f97a7ee455084a085
SHA1 hash:
6f7e99964ce0ff652e8a662970b589eb14db1450
Link:
https://www.unpac.me/results/62f2b83b-b97d-4299-9775-03ed51e6f94f/
SH256 hash:
7c78899b3fd5809365270784f4776efa60b374ec7af37ec936658f40de843e0b
MD5 hash:
62dc1982d44e0cfac2f26b9119ab1ad7
SHA1 hash:
2431c32ffd52893b74577f3f56bffbd69963509b
Link:
https://www.unpac.me/results/62f2b83b-b97d-4299-9775-03ed51e6f94f/
SH256 hash:
25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d
MD5 hash:
dda39f87fcbb3e92a907f3e45fc4bb03
SHA1 hash:
a584f9949a4e6396e6254d0d24e3b8eaf311397d
Link:
https://www.unpac.me/results/62f2b83b-b97d-4299-9775-03ed51e6f94f/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/25ffd0918373/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
Link:
https://yomi.yoroi.company/submissions/25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d

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.

Web download

RemcosRAT

Executable exe 25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2615737/
Cape
Cape
https://www.capesandbox.com/analysis/384091/

Comments


Avatar
zbet commented on 2023-04-22 01:21:38 UTC

url : hxxp://109.206.240.64/KNG.exe