MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56. 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 3 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56
SHA3-384 hash: e29048c95e0bc22c88ff8344d508dba03ef65b7c13b08e44a6ec4a0df4e570dd339ac977176f306313181c20963866ca
SHA1 hash: eaa9b992fc3228f759fa8abaf0c3783e04920016
MD5 hash: facc4d600be659a895ae50ca047d83e9
humanhash: papa-white-early-video
File name:facc4d600be659a895ae50ca047d83e9
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:324'096 bytes
First seen:2021-12-22 02:50:58 UTC
Last seen:2021-12-22 05:13:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 6144:Lh6vA3rcCsLHudzyNXjIof6J6GvNgUb++iDaCZ5ADZ1P/:s43rcpHSYIfyUK+iuE5ADz
Threatray 2'932 similar samples on MalwareBazaar
TLSH T14764F10432AC9B27D87F57F914B1628123B1B67B7021E34D5CCA24DB5B71B528B90F6B
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
204
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
facc4d600be659a895ae50ca047d83e9
Verdict:
Malicious activity
Analysis date:
2021-12-22 02:54:41 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/5d6493d1-d227-44f6-ad07-849c54e2d904

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/215726/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1140.32315.25371.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
DNS request
Unauthorized injection to a recently created process
Creating a file
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware obfuscated packed
Link:
https://www.filescan.io/uploads/61c2929a4ab5c44cbf4c3004/reports/a6ff6234-f093-4a2d-9e25-3231338ff0f3/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
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3d4dee0f-1172-460d-9ee5-5ca0744a462e
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/911344
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to detect virtual machines (IN, VMware)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
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
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 543818 Sample: 4M6XL2rujg Startdate: 22/12/2021 Architecture: WINDOWS Score: 100 52 kingsley1124.bounceme.net 2->52 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 4M6XL2rujg.exe 3 2->10         started        14 wis.exe 2 2->14         started        16 wis.exe 2 2->16         started        signatures3 process4 file5 46 C:\Users\user\AppData\...\4M6XL2rujg.exe.log, ASCII 10->46 dropped 72 Contains functionality to detect virtual machines (IN, VMware) 10->72 74 Contains functionality to steal Chrome passwords or cookies 10->74 76 Contains functionality to capture and log keystrokes 10->76 80 2 other signatures 10->80 18 4M6XL2rujg.exe 1 4 10->18         started        78 Injects a PE file into a foreign processes 14->78 22 wis.exe 14->22         started        24 wis.exe 16->24         started        signatures6 process7 dnsIp8 54 192.168.2.1 unknown unknown 18->54 42 C:\Users\user\AppData\Roaming\wis.exe, PE32 18->42 dropped 44 C:\Users\user\...\wis.exe:Zone.Identifier, ASCII 18->44 dropped 26 cmd.exe 1 18->26         started        file9 process10 signatures11 68 Uses ping.exe to sleep 26->68 70 Uses ping.exe to check the status of other devices and networks 26->70 29 wis.exe 3 26->29         started        33 PING.EXE 1 26->33         started        36 conhost.exe 26->36         started        process12 dnsIp13 48 C:\Users\user\AppData\Local\...\wis.exe.log, ASCII 29->48 dropped 82 Multi AV Scanner detection for dropped file 29->82 84 Machine Learning detection for dropped file 29->84 86 Contains functionality to steal Chrome passwords or cookies 29->86 88 3 other signatures 29->88 38 wis.exe 1 1 29->38         started        50 127.0.0.1 unknown unknown 33->50 file14 signatures15 process16 dnsIp17 56 kingsley1124.bounceme.net 2.58.149.205, 6932 GBTCLOUDUS Netherlands 38->56 66 Installs a global keyboard hook 38->66 signatures18
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56/
Threat name:
ByteCode-MSIL.Trojan.Tnega
Create hunting rule
Status:
Malicious
First seen:
2021-12-22 02:51:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 28 (64.29%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wipoktwssxratnfpesj2adhhcnmte5ls6yoxxsrs2zmxdzbnxvla._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
200c65040041056006600f5a6ed2bbc3281a6e440a12d24a84544d65e157288e
RemcosRAT
3f2c710a97bb42579ee2f9956437ff160a68bd787439fbc025ab3d6b46076d34
RemcosRAT
5454ec6037767c7c675551dafd7c023e8bd974f7fce965aa94505b19151895f2
RemcosRAT
5b474ca6fc8158bd6f14d53bca8962f25db3392dfe324f49ddf376610bd785e4
RemcosRAT
5f4e4a43a01b235d781c6888198b18750529dda9fc4727727940115090e06a6d
RemcosRAT
753cc07b3d3e9d5cc44061f9f5b2933d2e1f7f18155f9c17346592e254eab0c2
RemcosRAT
a415a8e3922c0026ce33f3663d90894e209ef6dea4e30de47018cdd58a6b2fbc
RemcosRAT
b9ca965db145fcc16ad0b97a3232fac27d2cdcbce9122a9a2bc613835b490369
RemcosRAT
d72b99be6c28cec8f3672df1ef58a69cb08524e181fb7ba53edbdab73f3ccf44
RemcosRAT
fcdb09f9b63c86b92059cb0c636da21a2daee289a120cff346a7d73b02bdff4e
RemcosRAT
+ 2'922 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat
Link:
https://tria.ge/reports/211222-db6xesehb9/
Behaviour
Runs ping.exe
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
kingsley1124.bounceme.net:6932
Unpacked files
SH256 hash:
3c388423422344f24acd1ccb3630d8d8031aa4d2a012b233176689d5e005618b
MD5 hash:
a80592b3bf3d21f8960815281df09630
SHA1 hash:
f4bc45b4f023503e10605d3410615574f5beb431
Link:
https://www.unpac.me/results/8f049209-347f-4f20-836c-917b2c0f5640/
SH256 hash:
6aa68d563ece4467091ccecb6637829d10ddc2b4b95bd2e548eda68b1fd1d7ba
MD5 hash:
5b1b05e0ad2791553c0824664c4bb345
SHA1 hash:
8572da94cb0362d1fd98d836615deb7685bafe98
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/8f049209-347f-4f20-836c-917b2c0f5640/
Parent samples :
b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56
5021264023d84e28a04fb80caec2507e711d4e591c857d032887f575443539a6
SH256 hash:
55535d7416e19740ddca81496bcfb9ea7f4ec52735e01d43880f6359f92b63be
MD5 hash:
42c16475606875decc737cb31dfb2cbb
SHA1 hash:
28db67a9058bbebedbd28819bce871cdeb62f968
Link:
https://www.unpac.me/results/8f049209-347f-4f20-836c-917b2c0f5640/
SH256 hash:
b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56
MD5 hash:
facc4d600be659a895ae50ca047d83e9
SHA1 hash:
eaa9b992fc3228f759fa8abaf0c3783e04920016
Link:
https://www.unpac.me/results/8f049209-347f-4f20-836c-917b2c0f5640/
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/b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56

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: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 b21ee54ed295e209b4af2493a00ce71359327572f61d7bca32d65971e42dbd56

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1909250/
Cape
Cape
https://www.capesandbox.com/analysis/215726/

Comments


Avatar
zbet commented on 2021-12-22 02:50:59 UTC

url : hxxp://mikron33.ru/MHT.exe