MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf
SHA3-384 hash: 38e0d408f4e99da803d197ba3828401fe3c09f8274b59bed4d7845fafa8d034a066ca4099ebd1d4ca8ab57a3e6ed3f4a
SHA1 hash: bee1c0f64dc40a8c33ab94d1c4a87f7e67553ba5
MD5 hash: 48a2514208d642d06c852487e7b84d7a
humanhash: fish-idaho-florida-nuts
File name:TFX SYTNTHTIC - FXP BL 4800467.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:934'912 bytes
First seen:2023-08-05 09:56:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'462 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:z+13YQvjOxbOMSo+eNyTNXLHJ1bmcKiVn+1ABYZVjF1tnfiEzb+nGs+fuxjCon8i:z+1NOxi+NyRGs+2gpzqnOmdCdm5
Threatray 2'394 similar samples on MalwareBazaar
TLSH T17015238922E8BF3BF51DC7F958B5E57107B978237A91E7487CEE62E236B1B440480943
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
313
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
TFX SYTNTHTIC - FXP BL 4800467.exe
Verdict:
Malicious activity
Analysis date:
2023-08-05 10:03:42 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/c8ce40f3-23de-4d94-8dce-fb56a58edb83

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/440801/
Detection(s):
SecuriteInfo.com.Trojan.GenericKD.68517959.2356.7080.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Restart of the analyzed sample
Creating a file
Creating a process from a recently created file
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Gathering data
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf
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/dfb3e36a-1e70-4e6e-8ee8-0a8217f02546
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1286434
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Creates autostart registry keys with suspicious names
Delayed program exit found
Found malware configuration
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
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1286434 Sample: TFX_SYTNTHTIC_-_FXP_BL_4800... Startdate: 05/08/2023 Architecture: WINDOWS Score: 100 66 Multi AV Scanner detection for domain / URL 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 9 other signatures 2->72 9 TFX_SYTNTHTIC_-_FXP_BL_4800467.exe 7 2->9         started        13 CoCidJJFVo.exe 5 2->13         started        15 remcos.exe 2->15         started        17 remcos.exe 2->17         started        process3 file4 60 C:\Users\user\AppData\...\CoCidJJFVo.exe, PE32 9->60 dropped 62 C:\Users\user\AppData\Local\...\tmp4AF9.tmp, XML 9->62 dropped 82 Contains functionality to bypass UAC (CMSTPLUA) 9->82 84 Contains functionality to steal Chrome passwords or cookies 9->84 86 Uses schtasks.exe or at.exe to add and modify task schedules 9->86 92 4 other signatures 9->92 19 TFX_SYTNTHTIC_-_FXP_BL_4800467.exe 1 4 9->19         started        23 powershell.exe 21 9->23         started        25 schtasks.exe 1 9->25         started        88 Multi AV Scanner detection for dropped file 13->88 90 Machine Learning detection for dropped file 13->90 27 schtasks.exe 13->27         started        29 CoCidJJFVo.exe 13->29         started        31 schtasks.exe 15->31         started        33 remcos.exe 15->33         started        signatures5 process6 file7 58 C:\ProgramData\Remcos\remcos.exe, PE32 19->58 dropped 80 Creates autostart registry keys with suspicious names 19->80 35 remcos.exe 5 19->35         started        38 conhost.exe 23->38         started        40 conhost.exe 25->40         started        42 conhost.exe 27->42         started        44 conhost.exe 31->44         started        signatures8 process9 signatures10 74 Multi AV Scanner detection for dropped file 35->74 76 Machine Learning detection for dropped file 35->76 78 Adds a directory exclusion to Windows Defender 35->78 46 remcos.exe 35->46         started        50 powershell.exe 35->50         started        52 schtasks.exe 35->52         started        process11 dnsIp12 64 212.193.30.230, 3330 SPD-NETTR Russian Federation 46->64 94 Installs a global keyboard hook 46->94 54 conhost.exe 50->54         started        56 conhost.exe 52->56         started        signatures13 process14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf/
Threat name:
ByteCode-MSIL.Trojan.FormBook
Create hunting rule
Status:
Malicious
First seen:
2023-08-04 08:56:03 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
19 of 38 (50.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=5bblnx7xh6gmcjixbox3kbjvojrzolhpydlrq4qhffnca6tkhppq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
17f868d3cf88b2957c9544a2aeec29745f7ac744f914f7219eeb94b8f4062948
RemcosRAT
347248cacef4596adbcddb5dbba62e050ddf223548834e8646bf43f96552a328
RemcosRAT
4ca4b47f6524c20ad58b65228857c61b95e94666c79f40509b22bf31b9769298
RemcosRAT
723a40b5d10baf215da246cb02dbb7b5eee5e2a53efe6eef08414094f3e12563
RemcosRAT
7795f522a55ae41cb43c380f7bb4150a2170b9fca1e8b98070ee32934f32fb1a
RemcosRAT
8a7703a7a13f95e6e58aac075b70bc322355e7f683e04824c17407a1881838cf
RemcosRAT
a780671fb8843df86eb6d9a17080a3dfe3caffc2a7ab3d19f5f60025f4e064bb
RemcosRAT
b8955479cd515d414a7298451f99acfe5dcb64d6a6374beb61bc06948fcf05f8
RemcosRAT
cfc48dfa8aa74b169189104a5f606cb6738fac9828808dfb1e64cbbd3564f10d
RemcosRAT
f2b2a8bc43696328f9650d218fe0e57e7c55c0e4799a1f28721b85e37e85eaf4
RemcosRAT
+ 2'384 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230805-lyx7ssbc39/
Behaviour
Creates scheduled task(s)
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
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
212.193.30.230:3330
Unpacked files
SH256 hash:
d65c7703b2c4879de733498935512b58119e11858a6904888966e8c1a8aa6003
MD5 hash:
9e3b020ac79cbfcb89f046e5eb0544cb
SHA1 hash:
af8bc32c178e80a989275e1a6ddc0ca1bb27d39a
Link:
https://www.unpac.me/results/f7fe809b-b685-4ea5-ab0e-e41775edefd3/
SH256 hash:
53f2ad060cf771aa4f197df5789cee95959480c244a0b392bb450c8ce7311d77
MD5 hash:
37e82d3e2864e27b34f5fbacaea759c3
SHA1 hash:
a87024a466e052bff09a170bb8c6f374f6c84c32
Link:
https://www.unpac.me/results/f7fe809b-b685-4ea5-ab0e-e41775edefd3/
SH256 hash:
3d9f5ea8ca556999596abb635130081f1d64c5706117ba6282f5860ddc072df2
MD5 hash:
6e54cd25231c296bf2f0f9ac8164b253
SHA1 hash:
7caff39d9cc3eaf343e135f599a9cde4dc749b0a
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/f7fe809b-b685-4ea5-ab0e-e41775edefd3/
Parent samples :
36f8e4eb768b6f4bcb732179cfb4d8795452c285d565e4fc4998455de0006f51
877371d8ae10433714781fc8187b21a9bd55e01738d1e701603118d1e2b89944
a5dfa6c8066bb006adb1490b52540bd2f049b3556c4c51eb59c4c9830c499286
e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf
ba82a2d12cfee47fcfab1e288a80e1792e6a8e8260e7582b007221918aba0310
SH256 hash:
bf07f90895592c2e90661bf8152bffa07657223f8670287307aaa47bd4086da1
MD5 hash:
d88a5f5dcd4063bc856bf8b82f08c925
SHA1 hash:
9ede034931d2c917bcbe25dfe918860db2f389f9
Link:
https://www.unpac.me/results/f7fe809b-b685-4ea5-ab0e-e41775edefd3/
SH256 hash:
e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf
MD5 hash:
48a2514208d642d06c852487e7b84d7a
SHA1 hash:
bee1c0f64dc40a8c33ab94d1c4a87f7e67553ba5
Link:
https://www.unpac.me/results/f7fe809b-b685-4ea5-ab0e-e41775edefd3/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e842b6dff73f/report/overview.html
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/e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf

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:NET
Create hunting rule
Author:malware-lu
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

Executable exe e842b6dff73f8cc125170bafb505357263972cefc0d7187207295a207a6a3bdf

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/440801/

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