MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b
SHA3-384 hash: ac00070dd7b90ed9fc43b87dfeb58726d86e5e94ad01eba3b6dfcf345b84ad2936ce5363889a9e145699eb4bef7c228e
SHA1 hash: aaef3c9cdbaee144f8c4891b0cc3632420ec5ad1
MD5 hash: aeac0c6a68e2ca3d28b4d74ad5af4b33
humanhash: finch-asparagus-equal-minnesota
File name:aeac0c6a68e2ca3d28b4d74ad5af4b33.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:556'032 bytes
First seen:2021-07-01 09:57:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'452 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:ksYMUfIVLX3IlVn4lYNVqBy2/NsVp6NDHLKMUKV:nP/VLHIr4oVeyxQhLKMvV
Threatray 1'861 similar samples on MalwareBazaar
TLSH 18C412286BED5194E733AF7672F93101D77DF6363A0BE00915D2478A09C7B81CEE162A
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
aeac0c6a68e2ca3d28b4d74ad5af4b33.exe
Verdict:
Malicious activity
Analysis date:
2021-07-01 09:59:57 UTC
Tags:
trojan rat remcos
Link:
https://app.any.run/tasks/a180c73e-21ed-4283-9241-51368714c320

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/169104/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.900-1.UNOFFICIAL
Create hunting rule

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:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/06fdaf42-486b-41f3-95b6-49ff11e86199
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/810464
Signature
.NET source code contains very large strings
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
Injects files into Windows application
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: MS Office Product Spawning Exe in User Dir
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
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 signatures2 2 Behavior Graph ID: 442871 Sample: MDDt3NGRSz.exe Startdate: 01/07/2021 Architecture: WINDOWS Score: 100 61 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 9 other signatures 2->67 9 MDDt3NGRSz.exe 3 2->9         started        13 EXCEL.exe 2 2->13         started        15 EXCEL.exe 2 2->15         started        process3 file4 51 C:\Users\user\AppData\...\MDDt3NGRSz.exe.log, ASCII 9->51 dropped 77 Contains functionality to detect virtual machines (IN, VMware) 9->77 79 Contains functionality to steal Chrome passwords or cookies 9->79 81 Contains functionality to capture and log keystrokes 9->81 87 2 other signatures 9->87 17 MDDt3NGRSz.exe 1 5 9->17         started        20 MDDt3NGRSz.exe 9->20         started        22 MDDt3NGRSz.exe 9->22         started        83 Injects a PE file into a foreign processes 13->83 85 Injects files into Windows application 13->85 24 EXCEL.exe 13->24         started        26 EXCEL.exe 13->26         started        28 EXCEL.exe 15->28         started        30 EXCEL.exe 15->30         started        signatures5 process6 file7 47 C:\Users\user\AppData\Roaming\...XCEL.exe, PE32 17->47 dropped 49 C:\Users\user\...XCEL.exe:Zone.Identifier, ASCII 17->49 dropped 32 cmd.exe 1 17->32         started        process8 signatures9 57 Uses ping.exe to sleep 32->57 59 Uses ping.exe to check the status of other devices and networks 32->59 35 EXCEL.exe 3 32->35         started        38 PING.EXE 1 32->38         started        41 conhost.exe 32->41         started        process10 dnsIp11 69 Multi AV Scanner detection for dropped file 35->69 71 Machine Learning detection for dropped file 35->71 73 Injects a PE file into a foreign processes 35->73 75 Injects files into Windows application 35->75 43 EXCEL.exe 1 3 35->43         started        53 127.0.0.1 unknown unknown 38->53 signatures12 process13 dnsIp14 55 KJJJK.3dxtras.com 136.144.41.183, 49771, 7003 WORLDSTREAMNL Netherlands 43->55 89 Installs a global keyboard hook 43->89 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b/
Threat name:
Win32.Packed.Generic
Create hunting rule
Status:
Suspicious
First seen:
2021-07-01 04:46:50 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  1/5
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
34540a51780e487ff9426db2ea9e2ed985e6c46130439de2e434b4a804446566
RemcosRAT
4c11b7fb217b3675e60d659ce0a2c3eee1bdbd3e3ddba1ad6d762878f62534d1
RemcosRAT
56fee643ba39ac908309688827397099ca6b707c45154eb14da1b693f6b16571
RemcosRAT
6654c75acd136f37aad63d828eea396361326bb422a91563998ff0302de2bd20
RemcosRAT
753883fa972dda966abb3adad3cfc94f0a82ca128d1908df58bac3ba93e60bd3
RemcosRAT
c851749fd6c9fa19293d8ee2c5b45b3dc8561115ddfe7166fbaefcb9b353b7c4
RemcosRAT
ce4962d3126223b4bd68704159cbdc7479fb2df4263fb9f3d57492e770b74a94
RemcosRAT
d45d40989488d330e82db097aa2d857ea5d620526171cd8fb145ef62cb4ea701
RemcosRAT
d72b99be6c28cec8f3672df1ef58a69cb08524e181fb7ba53edbdab73f3ccf44
RemcosRAT
f19b2e31a0bc55cb5d4ab540605cfeffca6dd241cbe4e96e065d403a7273534a
RemcosRAT
+ 1'851 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:host persistence rat spyware stealer
Link:
https://tria.ge/reports/210701-4dnfwk1vma/
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
Reads user/profile data of web browsers
Executes dropped EXE
Nirsoft
Remcos
Malware Config
C2 Extraction:
KJJJK.3dxtras.com:7003
Unpacked files
SH256 hash:
197650487c8d7960b7106167a6c888c6b5151a4e296c1d7e79330e1b171f8ed3
MD5 hash:
841c0f428dea9f6e94aeb595cfa812b6
SHA1 hash:
d97cb3fc9f24ce772413ccff9b4c9b3fd781d661
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/6c6b1747-fece-4403-9ce1-6cf98249911d/
SH256 hash:
43a1fb2b8c366fa92ea4314926a2bf85ab11acc90ccbbb7ca6eb5a2b0e345f0a
MD5 hash:
f73f06e0aa13d3c11e0f7ec991ff5256
SHA1 hash:
caddef59d451ebdf4c73dc933c4b531bbce8497d
Link:
https://www.unpac.me/results/6c6b1747-fece-4403-9ce1-6cf98249911d/
SH256 hash:
5bede9eedf6ae6df5a9d587c116c9583b31474c159c2b53486b000093cb3fde6
MD5 hash:
072eeac61b35d3f09edee4ff4f80f52d
SHA1 hash:
696fd9905a47e526470c2e234fef32f1ec1b74ad
Link:
https://www.unpac.me/results/6c6b1747-fece-4403-9ce1-6cf98249911d/
SH256 hash:
0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b
MD5 hash:
aeac0c6a68e2ca3d28b4d74ad5af4b33
SHA1 hash:
aaef3c9cdbaee144f8c4891b0cc3632420ec5ad1
Link:
https://www.unpac.me/results/6c6b1747-fece-4403-9ce1-6cf98249911d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b

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 0b21cb47c8a19319e7a3ea04878670d09a51e7b377fdcb9e0009f1cb0700348b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1398049/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/169104/

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