MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments 1
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SHA256 hash: c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8
SHA3-384 hash: 88661b4bb7c2e810e71870907dbf2f7523056c88bd7c23553274e3ba0c841b288812e7cedf2e6b2134c81ae0c1706188
SHA1 hash: 6ddc99f3ad920665fec3007eb0cb4a87045d237e
MD5 hash: 7e34b4aa4d4f682ee40b83168405a191
humanhash: william-mike-twenty-beryllium
File name:7e34b4aa4d4f682ee40b83168405a191
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:792'576 bytes
First seen:2021-10-25 14:02:41 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:UviLInUpzdOOD3vsYaUDKPr5GtWakT3Lf9AmtHhtqEEd4OE:UviLIUBgOIYdr5kTBVdhtC3
Threatray 803 similar samples on MalwareBazaar
TLSH T17FF4CE0436E94B02E5BA6BF41631554093BB7DAE287EE24D1EDE34CA1F77F444A60B23
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
295
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/199940/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader43.49359.30436.12157.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Creating a file in the %temp% directory
Delayed writing of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fareit obfuscated packed virus
Link:
https://www.filescan.io/uploads/6176b919db358dd15ed96950/reports/40df18d5-1f2b-4a4f-9c0e-e602c4772571/overview
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:
Generic Malware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/bddeee7b-d8b9-45f3-8d6e-fd9b013d206f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/876362
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
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
Found malware configuration
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 submitted file
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 508799 Sample: SxTvBoGj6n Startdate: 25/10/2021 Architecture: WINDOWS Score: 100 49 jamaru1444.myftp.biz 2->49 57 Multi AV Scanner detection for domain / URL 2->57 59 Found malware configuration 2->59 61 Malicious sample detected (through community Yara rule) 2->61 63 9 other signatures 2->63 11 SxTvBoGj6n.exe 3 2->11         started        15 win32.exe 2 2->15         started        17 win32.exe 2 2->17         started        signatures3 process4 file5 47 C:\Users\user\AppData\...\SxTvBoGj6n.exe.log, ASCII 11->47 dropped 67 Contains functionality to steal Chrome passwords or cookies 11->67 69 Contains functionality to inject code into remote processes 11->69 71 Contains functionality to steal Firefox passwords or cookies 11->71 73 2 other signatures 11->73 19 SxTvBoGj6n.exe 4 4 11->19         started        22 SxTvBoGj6n.exe 11->22         started        24 win32.exe 15->24         started        26 win32.exe 17->26         started        signatures6 process7 file8 41 C:\Users\user\AppData\Roaming\win32.exe, PE32 19->41 dropped 43 C:\Users\user\...\win32.exe:Zone.Identifier, ASCII 19->43 dropped 45 C:\Users\user\AppData\Local\...\install.vbs, data 19->45 dropped 28 wscript.exe 1 19->28         started        process9 process10 30 cmd.exe 1 28->30         started        process11 32 win32.exe 3 30->32         started        35 conhost.exe 30->35         started        signatures12 55 Injects a PE file into a foreign processes 32->55 37 win32.exe 2 1 32->37         started        process13 dnsIp14 51 jamaru1444.myftp.biz 212.193.30.133, 2019, 49745, 49746 SPD-NETTR Russian Federation 37->51 53 192.168.2.1 unknown unknown 37->53 65 Installs a global keyboard hook 37->65 signatures15
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8/
Threat name:
ByteCode-MSIL.Trojan.Zilla
Create hunting rule
Status:
Malicious
First seen:
2021-10-25 14:03:06 UTC
AV detection:
19 of 28 (67.86%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ynekqyh2k4mqfjrcnos3kfj3lnmtpyyyceb63ck7jj4narkekh4a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
026668d9855f0c4aac1cb86f163e6e28569a5a4d53d0bde93ac9880a90a8225c
RemcosRAT
23d4b811a2e3f349ac70d49dafc192bd830776257f0ea82fce704f9db6e617c2
RemcosRAT
32f6ec5b5b7c806a093ab23b59252930e7a629489857dfe3659de7eec4ab01ea
RemcosRAT
4860f15c7870ac1d09c5aad7e6754eb34afd4b0f6341fd452049257513951ffe
RemcosRAT
623bf7759de8303bc15901ee832dccb2febb294b84d3c5304022fb7be0b9c1f3
RemcosRAT
7eb677c1c5c60d34da90cab2b4ea019c500b5c3db6964cc14849dbe2f9f5fa30
RemcosRAT
91e8ea3e431c0ad9faf6dfe01eb29e4834940054379deb8b657d9cbe23e91682
RemcosRAT
a3faa214333ce59ed895410e011c4cbd44fe51b26ed5bf2a0ed54e225616f893
RemcosRAT
b67741cbd39464c7526c9cda83175c342aaba91fb990dd96d60083d028f00228
RemcosRAT
bd0baa9f0e69f70c827e05b8bae5a4b34f04b21be971c39e3831d584140d08d3
RemcosRAT
+ 793 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:grace_2021 persistence rat
Link:
https://tria.ge/reports/211025-rcpleshbcj/
Behaviour
Modifies registry class
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
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
jamaru1444.myftp.biz:2019
Unpacked files
SH256 hash:
f0a56de5178af8021a366b347bd4c9bbb636cc962247ba340566f746283935fa
MD5 hash:
88f67ff5027c53f5d376f9588e5decb2
SHA1 hash:
f81b3863a23881c71edc5fe141dd3896a5b06391
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/bbb9ecc7-6c7f-46f2-8d94-7b87a5713eb2/
Parent samples :
cf6ce67191cc8560c728cef61aa68026540656dc1eb22ce646fc67280bbb7316
16b336fb7a05c893f87e958181e474d78fdd8d5e42b321622b3f1b25e5394c43
c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8
803e708406a0ea106f897896aa58a9715b7d1a06cb93c61ba9ccb44745724b38
SH256 hash:
c19d9a9b066bb608d6602fd17ece5784174918c424b3295163a84b34e100eb9a
MD5 hash:
c3cc9eabbc7683e7a144085a4f14cb50
SHA1 hash:
5eb09f56afa747517e6e3edc5f45a69c5051a42b
Link:
https://www.unpac.me/results/bbb9ecc7-6c7f-46f2-8d94-7b87a5713eb2/
SH256 hash:
6fee24a1398bb022d0c5b9059b9b21e7636fc3861866a583d0e49b7d0ca56d58
MD5 hash:
36e2528c3cb3ad299ea481283687cdd6
SHA1 hash:
1981340bc7be1aa8f78f942fc6f0724838e35a87
Link:
https://www.unpac.me/results/bbb9ecc7-6c7f-46f2-8d94-7b87a5713eb2/
SH256 hash:
c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8
MD5 hash:
7e34b4aa4d4f682ee40b83168405a191
SHA1 hash:
6ddc99f3ad920665fec3007eb0cb4a87045d237e
Link:
https://www.unpac.me/results/bbb9ecc7-6c7f-46f2-8d94-7b87a5713eb2/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/c348a860fa57/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/c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8

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
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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 c348a860fa571902a6226ba5b5153b5b5937e3181103ed895f4a78d0454451f8

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1712710/
Cape
Cape
https://www.capesandbox.com/analysis/199940/

Comments


Avatar
zbet commented on 2021-10-25 14:02:44 UTC

url : hxxp://37.0.10.229/ACL.exe