MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
SHA3-384 hash: 0f7f189124f199122f3a0329d94ca5b614798ed507dc869900db72b755e1ca6e0b0773bf0c41f999448a6047b4a80744
SHA1 hash: b1c7aa257fff6c79d86819debd52ab06f0d0753f
MD5 hash: e8b289dbc16b1aec02f7d6cc449f69de
humanhash: lamp-three-river-cold
File name:e8b289dbc16b1aec02f7d6cc449f69de.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:395'776 bytes
First seen:2020-11-28 11:10:27 UTC
Last seen:2020-11-28 12:44:45 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'738 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 6144:N61iXorSGCvNTLP6Y0IMPT3wM9mr0bhm89BvjjV2dxQRuDMPLEuOFoZ:N61i4mGwH037P93p91tcxQZPLEuOFoZ
Threatray 1'575 similar samples on MalwareBazaar
TLSH 9684F1ACBB50729FC85BC1B2DEA82C75E644A47BD32F99039113159DEA4D98BCF140B3
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
k55nfjeasa.ad-center.marketing:48019 (185.222.57.210)

Intelligence

File Origin
# of uploads :
2
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/105914/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Creating a file in the Windows subdirectories
Creating a process from a recently created file
Running batch commands
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/550081
Signature
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates an autostart registry key pointing to binary in C:\Windows
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Drops executables to the windows directory (C:\Windows) and starts them
Injects a PE file into a foreign processes
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
PE file contains section with special chars
PE file has nameless sections
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM_3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 324153 Sample: 6OgxEpltIS.exe Startdate: 28/11/2020 Architecture: WINDOWS Score: 100 73 g.msn.com 2->73 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for dropped file 2->79 81 Sigma detected: Scheduled temp file as task from temp location 2->81 83 11 other signatures 2->83 12 6OgxEpltIS.exe 6 2->12         started        16 svshost.exe 2->16         started        18 svshost.exe 4 2->18         started        signatures3 process4 file5 65 C:\Users\user\AppData\Roaming\kFOjiUeH.exe, PE32 12->65 dropped 67 C:\Users\user\AppData\Local\...\tmpCAD9.tmp, XML 12->67 dropped 69 C:\Users\user\AppData\...\6OgxEpltIS.exe.log, ASCII 12->69 dropped 87 Detected unpacking (changes PE section rights) 12->87 89 Contains functionality to steal Chrome passwords or cookies 12->89 91 Contains functionality to capture and log keystrokes 12->91 97 3 other signatures 12->97 20 6OgxEpltIS.exe 4 5 12->20         started        24 schtasks.exe 1 12->24         started        93 Drops executables to the windows directory (C:\Windows) and starts them 16->93 95 Injects a PE file into a foreign processes 16->95 26 schtasks.exe 16->26         started        28 svshost.exe 16->28         started        30 svshost.exe 16->30         started        32 schtasks.exe 18->32         started        34 svshost.exe 18->34         started        signatures6 process7 file8 61 C:\Windows\SysWOW64\License\svshost.exe, PE32 20->61 dropped 63 C:\Windows\...\svshost.exe:Zone.Identifier, ASCII 20->63 dropped 85 Creates an autostart registry key pointing to binary in C:\Windows 20->85 36 wscript.exe 1 20->36         started        38 conhost.exe 24->38         started        40 conhost.exe 26->40         started        42 conhost.exe 32->42         started        signatures9 process10 process11 44 cmd.exe 1 36->44         started        process12 46 svshost.exe 5 44->46         started        50 conhost.exe 44->50         started        file13 71 C:\Users\user\AppData\...\svshost.exe.log, ASCII 46->71 dropped 99 Multi AV Scanner detection for dropped file 46->99 101 Detected unpacking (changes PE section rights) 46->101 103 Machine Learning detection for dropped file 46->103 105 4 other signatures 46->105 52 svshost.exe 46->52         started        55 schtasks.exe 46->55         started        57 svshost.exe 46->57         started        signatures14 process15 dnsIp16 75 k55nfjeasa.ad-center.marketing 185.222.57.210, 48019, 49716 ROOTLAYERNETNL Netherlands 52->75 59 conhost.exe 55->59         started        process17
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56/
Threat name:
ByteCode-MSIL.Backdoor.NanoCore
Create hunting rule
Status:
Malicious
First seen:
2020-11-28 11:11:04 UTC
AV detection:
24 of 29 (82.76%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=67rjzp2hzgae5m2bqnuhh2tig67hurtdtf4pitm3ujtq2r7grvla._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11b16ba733f2f4f10ac58021eecaf5668551a73e2a1acfae99745c50bfccbb44
RemcosRAT
26cfb1b24425c97fc4588631b23ca93def5d84efb2300d81bdbbb48443207292
RemcosRAT
344e6fbb3b331ae13507bca32206ceea89837dc6c02eeadeeee979d8312199b6
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346c5380b5669b73b9fc43a1a17c31ea17985488e9ea947d93a1c6858ebab5e1
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485c1301f4bc84bc2d274f53222cf7ca5fbd8af8728d1aaa977a6574f577fb87
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7133d7e48e25500913021a3d2c6d4efa3d9ace18d9887cd899f64c3c598c037a
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a66b740c103035f94d2d78140ead520be0e9ee0c218ab7dc17ebb3cfa2ea4f86
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c032e316eefbacca4b3ddfe7fc2ee9ac5f86daea767232d2322f7fdfe4b18993
RemcosRAT
e86d9b9cdf1f341e2c2f811a31d371204d181385f6c32282057b976d25f53591
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f2a8ae610f1847b1344ffaa1c252543a9e4f5208b0644be9d8f5d7d6770c9ae2
RemcosRAT
+ 1'565 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/201128-44ks6l1c66/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies registry class
Suspicious use of SetWindowsHookEx
Drops file in System32 directory
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
k55nfjeasa.ad-center.marketing:48019
Unpacked files
SH256 hash:
96197f55710a81ab1e66a84f0ac9d7c146c3a79a8d6ce53b7d8d0493984cf586
MD5 hash:
7159032c713686155de46d52d4132c41
SHA1 hash:
1a4c5d1c4496792cd3036ffb8e17e5669da834cf
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/3b56ef0e-ca13-4626-a226-cf68f51a4290/
Parent samples :
622f7ee6cbf2416dcbc86cf3fc47133bc797edc5869642f161d61a3fad7b1d88
08d64c718925a60031cbc3bc7b431127b0097401d9d5e403136bd1394583a0be
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
SH256 hash:
9a5d9eab05d60021996e02ea7fe2d940d27126e84f1c2fc0b4375402c8cb8cd7
MD5 hash:
e78bbfb7887018ff150a624fa2c29e3b
SHA1 hash:
bfde3ecc4813707b5489a722e9ef5ef9bc3c5734
Link:
https://www.unpac.me/results/3b56ef0e-ca13-4626-a226-cf68f51a4290/
SH256 hash:
cb951f1d2b5460456aad0d89cef1216d9be5e51784d11a92447d43e96177bd5e
MD5 hash:
8cd5d2014866f4ef60802ff1826998a6
SHA1 hash:
8ff75946905d0b117080cc5a07e6e0bbea4e9bbd
Link:
https://www.unpac.me/results/3b56ef0e-ca13-4626-a226-cf68f51a4290/
SH256 hash:
f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56
MD5 hash:
e8b289dbc16b1aec02f7d6cc449f69de
SHA1 hash:
b1c7aa257fff6c79d86819debd52ab06f0d0753f
Link:
https://www.unpac.me/results/3b56ef0e-ca13-4626-a226-cf68f51a4290/
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/f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:Remcos
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Remcos in memory
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information

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

Web download

RemcosRAT

Executable exe f7e29cbf47c9804eb341836873ea6837be7a46639978f44d9ba2670d47e68d56

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/834685/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/105914/

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