MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a
SHA3-384 hash: 118eb4a93fe543e901cafea51b98b16a213f81a47f287a0ca3a53d4de7fc6bb09a6b74ce8fcad57ba04449a4cd0e8ecb
SHA1 hash: 1f5fa188d9e0ea6f3dbf138b14b3af8cea21b968
MD5 hash: 8c6310883496c8b128afb34a4c922554
humanhash: michigan-georgia-four-stream
File name:RA1_20210729.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'521'152 bytes
First seen:2021-07-29 11:41:44 UTC
Last seen:2021-07-29 12:46:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 24576:SYS/d3DKzks4ksWPSOHjOxltQ6HqAkycbgERgfwui+jR23r7y8jhMN6ZNmZ:EKhPDDOpvkycUERgouiceXSN6ZNm
Threatray 372 similar samples on MalwareBazaar
TLSH T19E65F124898C9F9ACC5803780B5846345EF0AEF6F270D4AC3D8D31B5B7F2929E6B5746
dhash icon c4b4e6e69898d2c4 (11 x Formbook, 11 x AgentTesla, 4 x NanoCore)
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
RA1_20210729.exe
Verdict:
Malicious activity
Analysis date:
2021-07-29 12:06:30 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9cfa9054-4087-4a9a-a6e9-58652833042e

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/175010/
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/0fc2cf14-fd11-43e9-862f-d5a98a34112c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/823787
Signature
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
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 harvest and steal browser information (history, passwords, etc)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 456201 Sample: RA1_20210729.exe Startdate: 29/07/2021 Architecture: WINDOWS Score: 100 75 ego.ddns.net 2->75 77 chasesure.duckdns.org 2->77 83 Malicious sample detected (through community Yara rule) 2->83 85 Multi AV Scanner detection for dropped file 2->85 87 Multi AV Scanner detection for submitted file 2->87 89 7 other signatures 2->89 12 RA1_20210729.exe 7 2->12         started        16 rem.exe 4 2->16         started        18 rem.exe 4 2->18         started        signatures3 process4 file5 65 C:\Users\user\AppData\...\WfduhSfoZwnp.exe, PE32 12->65 dropped 67 C:\Users\...\WfduhSfoZwnp.exe:Zone.Identifier, ASCII 12->67 dropped 69 C:\Users\user\AppData\Local\...\tmp56D3.tmp, XML 12->69 dropped 71 C:\Users\user\...\RA1_20210729.exe.log, ASCII 12->71 dropped 95 Contains functionality to steal Chrome passwords or cookies 12->95 97 Contains functionality to inject code into remote processes 12->97 99 Uses schtasks.exe or at.exe to add and modify task schedules 12->99 103 2 other signatures 12->103 20 RA1_20210729.exe 4 5 12->20         started        23 schtasks.exe 1 12->23         started        25 RA1_20210729.exe 12->25         started        101 Injects a PE file into a foreign processes 16->101 27 schtasks.exe 16->27         started        29 rem.exe 16->29         started        31 schtasks.exe 18->31         started        33 rem.exe 18->33         started        signatures6 process7 file8 59 C:\Users\user\AppData\Roaming\...\rem.exe, PE32 20->59 dropped 61 C:\Users\user\...\rem.exe:Zone.Identifier, ASCII 20->61 dropped 63 C:\Users\user\AppData\Local\...\install.vbs, data 20->63 dropped 35 wscript.exe 1 20->35         started        37 conhost.exe 23->37         started        39 conhost.exe 27->39         started        41 conhost.exe 31->41         started        process9 process10 43 cmd.exe 1 35->43         started        process11 45 rem.exe 5 43->45         started        49 conhost.exe 43->49         started        file12 73 C:\Users\user\AppData\Local\...\rem.exe.log, ASCII 45->73 dropped 105 Multi AV Scanner detection for dropped file 45->105 107 Machine Learning detection for dropped file 45->107 109 Contains functionality to steal Chrome passwords or cookies 45->109 111 3 other signatures 45->111 51 rem.exe 45->51         started        55 schtasks.exe 45->55         started        signatures13 process14 dnsIp15 79 chasesure.duckdns.org 79.134.225.98, 2404, 49746, 49747 FINK-TELECOM-SERVICESCH Switzerland 51->79 81 ego.ddns.net 51->81 91 Tries to harvest and steal browser information (history, passwords, etc) 51->91 93 Installs a global keyboard hook 51->93 57 conhost.exe 55->57         started        signatures16 process17
Gathering data
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2021-07-29 10:41:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
52
AV detection:
17 of 28 (60.71%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=adkswzul44svqc7rem5ixsaf6yudd6lmvd346ueaptjuqfzhtana._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1974f2f3c94bc79af6872802cae45f9113ce6b708635930a77aa73db92898852
RemcosRAT
1a5fef4a3bbce0a3e77343c3794484a88a4cbe42a466e09749aba58ea081bd8d
RemcosRAT
4418451ac62d0ded7768617f213598565700604cc9856cb6b2709f1e5304c2a1
RemcosRAT
5541f9d1656fe9d24b9048afc1dd005bf25d9aacac4e57f932bbdb19919776dd
RemcosRAT
5fa4dc80cabd644491180f4af2bbe0001bf4082fe84b45e1452200318b912aee
RemcosRAT
6eed5350c18b26f6aadaf28e5ceb48ca742db7fbee28fbe9aa7f3c552651e048
RemcosRAT
a0fd8f81cda85af9221734e97a18c29c25a53020517d507ada3e3a1681036e54
RemcosRAT
d144ad20d75ca601f1189b61459dd9f330ca804db475823bd3e0bb3c0c89f4df
RemcosRAT
+ 362 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:sa persistence rat spyware stealer
Link:
https://tria.ge/reports/210729-dxt3wh32js/
Behaviour
Creates scheduled task(s)
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
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
CustAttr .NET packer
Remcos
Malware Config
C2 Extraction:
ego.ddns.net:2404
chasesure.duckdns.org:2404
Unpacked files
SH256 hash:
5b14bb4dc59c18f8b7fd17a59ba59195e99c07adc27d4f6b536da9f96b113743
MD5 hash:
d25452d83059fdf03969cc3aef096258
SHA1 hash:
e4a75c76bc38a5148ad7b1534b9a7f6222bdab25
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/4650346e-7438-4e00-9ff9-6a393c92bb28/
Parent samples :
5fa4dc80cabd644491180f4af2bbe0001bf4082fe84b45e1452200318b912aee
00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a
SH256 hash:
05fad983527a9d4da2ab4c6874768aaf9c331a5a70bf0bd45da2c41fe288883e
MD5 hash:
9245f9c81d91fbb3f72ad2fde689c829
SHA1 hash:
d952c062ff36e27e4dfc9fd86f390c5d353b48a0
Link:
https://www.unpac.me/results/4650346e-7438-4e00-9ff9-6a393c92bb28/
SH256 hash:
97d2fa1d01b2f9a2199896e05e0cf60c14a9f41ef2d72e15fbb862b7afa08438
MD5 hash:
68463851c0e6fe7a254c99fae763d454
SHA1 hash:
4587a5371d88c296a0184fe47ee0c5245b187127
Link:
https://www.unpac.me/results/4650346e-7438-4e00-9ff9-6a393c92bb28/
SH256 hash:
00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a
MD5 hash:
8c6310883496c8b128afb34a4c922554
SHA1 hash:
1f5fa188d9e0ea6f3dbf138b14b3af8cea21b968
Link:
https://www.unpac.me/results/4650346e-7438-4e00-9ff9-6a393c92bb28/
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/00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a

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.

Malspam

RemcosRAT

r01 444b83f4035e2d71473f057f4a1416cd33c13cd238a46255a3d12cca76a7582f

RemcosRAT

Executable exe 00d52b668be725580bf1233a8bc805f62831f96ca8f7cf50807cd3481727981a

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 444b83f4035e2d71473f057f4a1416cd33c13cd238a46255a3d12cca76a7582f
Cape
Cape
https://www.capesandbox.com/analysis/175010/

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