MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c. 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: 16


Intelligence 16 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c
SHA3-384 hash: e7f86a18dd63540f44479ed8eb907b5f4da0bd3450781be9d41640cd1b2d05f35b9ad01493a5e64d5707f8c2c7d06d92
SHA1 hash: 4a3060627a26f25d6845ed78b541dea8f0d1cc0e
MD5 hash: 6bb88aa67435b95b44d586655fc3c2eb
humanhash: jersey-wolfram-summer-dakota
File name:6bb88aa67435b95b44d586655fc3c2eb.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'218'560 bytes
First seen:2023-03-31 01:45:19 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'600 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:Q0azzstHRQbrhovtaj7NWE+Cg0sWP0DZzbPgmUvYD:QZ+YovjE+osHgmZ
TLSH T14245120077F81292EAEE2BBEF075444887B1FA67397FE76A2840D9ED4453754C992323
TrID 59.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.6% (.SCR) Windows screen saver (13097/50/3)
8.5% (.EXE) Win64 Executable (generic) (10523/12/4)
5.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter Chainskilabs
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
395
Origin country :
US US
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
6bb88aa67435b95b44d586655fc3c2eb.exe
Verdict:
Malicious activity
Analysis date:
2023-03-31 01:47:24 UTC
Tags:
remcos
Link:
https://app.any.run/tasks/8ef4be32-fd2e-4981-836d-f4cb34918e51

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/378993/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a process with a hidden window
Running batch commands
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
exploit packed remcos
Link:
https://www.filescan.io/uploads/64263b5c8e162174987d95a3/reports/843d7ccf-af86-4ff5-9039-9fb2fbf984bf/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c
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/ec4a03fe-f59d-402e-ba34-784c5584188a
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1205658
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Injects a PE file into a foreign processes
Installs a global keyboard hook
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
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 838571 Sample: J6RfudgZze.exe Startdate: 31/03/2023 Architecture: WINDOWS Score: 100 54 Multi AV Scanner detection for domain / URL 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 Antivirus detection for dropped file 2->58 60 5 other signatures 2->60 10 J6RfudgZze.exe 3 2->10         started        14 los.exe 2 2->14         started        16 los.exe 2 2->16         started        18 los.exe 2->18         started        process3 file4 48 C:\Users\user\AppData\...\J6RfudgZze.exe.log, ASCII 10->48 dropped 64 Contains functionality to steal Chrome passwords or cookies 10->64 66 Contains functionality to steal Firefox passwords or cookies 10->66 68 Injects a PE file into a foreign processes 10->68 70 Delayed program exit found 10->70 20 J6RfudgZze.exe 5 4 10->20         started        23 los.exe 14->23         started        25 los.exe 16->25         started        27 los.exe 18->27         started        signatures5 process6 file7 42 C:\Users\user\AppData\Roaming\los.exe, PE32 20->42 dropped 44 C:\Users\user\...\los.exe:Zone.Identifier, ASCII 20->44 dropped 46 C:\Users\user\AppData\Local\Temp\veinit.vbs, data 20->46 dropped 29 wscript.exe 1 20->29         started        process8 process9 31 cmd.exe 1 29->31         started        process10 33 los.exe 3 31->33         started        36 conhost.exe 31->36         started        signatures11 52 Multi AV Scanner detection for dropped file 33->52 38 los.exe 2 1 33->38         started        process12 dnsIp13 50 nadiac7806.hopto.org 193.42.32.86, 2397, 49697, 49698 EENET-ASEE Germany 38->50 62 Installs a global keyboard hook 38->62 signatures14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c/
Threat name:
ByteCode-MSIL.Trojan.BypassUac
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 14:22:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hdpl73dycfx5v3dbhrxcvc3b42lx72sh35xrsorfefy5qkj4znoa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:mekino-remotehost persistence rat
Link:
https://tria.ge/reports/230331-b6zeqagc33/
Behaviour
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
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
nadiac7806.hopto.org:2397
Unpacked files
SH256 hash:
ffac0fbfe6c646353356011d36e3386050f7435b5f1be441c98719ce3a45de85
MD5 hash:
801095df1a5b059e8eec10ba6d167133
SHA1 hash:
f53d9ff2636daa27311428a5b8d23da3ce5d0d0f
Link:
https://www.unpac.me/results/93eda9dd-d25a-4b72-ad7e-34c6564507bd/
SH256 hash:
8cd6a9f4c4ec925abcf2c7aa285231c2e24a73bf261b856a27fc7009ce3d7cba
MD5 hash:
ac276086512b08e62a358841fdb5f48c
SHA1 hash:
ba1de6c9e8e1d23f08d9a390285e256bfc2cf836
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/93eda9dd-d25a-4b72-ad7e-34c6564507bd/
Parent samples :
cb7ffda616dbfb59cec05339b9bee2e7ecae48595545ee4e63d93e9751feb594
778ad2e8d477b0fc3ba8cbb0e3de025a6f101257c67efeb60f2bc5627996e028
217a39234802caa4d7cce0bfae3880db5c6b5c3004fddcd0b31298b586f54de5
d413604ffcd2897d729fd0079881b7b4a0dbd3d9d5869a97d7ec76713a12739c
f148991c86a6be2a1e2c331cac87af14bafa95465aadc5f058cc82cae56262c0
38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c
e0847030fbefcdfb72e7de696809737dac3a8db49cfa63aa740210d7c036c409
25ffd09183736426c73f73d36565cc56fd6caa83afe96970ae44e9193d07082d
4143a027af3c078d252c462f6101cc1b4b849402280371d9279e6fa62ee6cf75
SH256 hash:
fd1b80293c57567e7d174ca29a6786c9af5493dae80eb438aad3dd8ca2e41141
MD5 hash:
11e30d77ecb34a4b6daf13d2ef016c21
SHA1 hash:
6c2d27004d3127eb696408b5127fdf66f3a8f9c4
Link:
https://www.unpac.me/results/93eda9dd-d25a-4b72-ad7e-34c6564507bd/
SH256 hash:
92b54724b3cc83057470170a5699750cb80ddc31d1593c6af4f945b811ead548
MD5 hash:
22570cf27689cee8c361a6e7beab9362
SHA1 hash:
310d82f28e08a21bdcbfd31862475ca9c27386fc
Link:
https://www.unpac.me/results/93eda9dd-d25a-4b72-ad7e-34c6564507bd/
SH256 hash:
38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c
MD5 hash:
6bb88aa67435b95b44d586655fc3c2eb
SHA1 hash:
4a3060627a26f25d6845ed78b541dea8f0d1cc0e
Link:
https://www.unpac.me/results/93eda9dd-d25a-4b72-ad7e-34c6564507bd/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/38debfec7811/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.94
Link:
https://yomi.yoroi.company/submissions/38debfec78116fdaec613c6e2a8b61e6977fea47df6f193a252171d8293ccb5c

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.

Cape
Cape
https://www.capesandbox.com/analysis/378993/

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