MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5b86bcb2e58400f938e94c71a1b1e7b06d6e9bc1749fc1e6f999110e4fc9143. 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: f5b86bcb2e58400f938e94c71a1b1e7b06d6e9bc1749fc1e6f999110e4fc9143
SHA3-384 hash: ea3355d47c603704c56336483a38fb8ffcbcdf3600076ac5ca8a9f9f491fbaee3c4673e03cb5c6f487ec53d9278dbecc
SHA1 hash: f73b55b3036bf1a83c4ca96ed914e1d1ba669f2d
MD5 hash: 8a64c958def4abbd468d5bc040da7567
humanhash: steak-colorado-echo-rugby
File name:SecuriteInfo.com.Win32.RATX-gen.32756.13152
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'055'744 bytes
First seen:2023-01-10 04:28:12 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 24576:AIOWbQRdD19C3yUJxWZsJYYqEZV/NWCagfzF:nbo19CtEqBqEZVAgf
Threatray 4'150 similar samples on MalwareBazaar
TLSH T14D25023526E9B85EFD7E63FB5311CA5403B1A520C749E6DD0DAB26CFCAF8A198207113
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)
File icon (PE):PE icon
dhash icon 00c0c8c1e6789842 (4 x AgentTesla, 3 x RemcosRAT, 1 x SnakeKeylogger)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Win32.RATX-gen.32756.13152
Verdict:
Malicious activity
Analysis date:
2023-01-10 04:29:13 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/ad3fa8ae-1fb8-413c-b3a8-faae15003c23

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/351368/
Detection(s):
SecuriteInfo.com.Win32.RATX-gen.32756.13152.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Launching a process
Creating a process with a hidden window
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/63bce99583a5ae8cb4a84408/reports/231c7fc9-5fd8-44cb-b332-022125acd29b/overview
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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/48b49d58-4819-44b0-87fc-0c8ac738b4df
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1148459
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in 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
Sigma detected: Remcos
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 dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 781191 Sample: SecuriteInfo.com.Win32.RATX... Startdate: 10/01/2023 Architecture: WINDOWS Score: 100 91 Multi AV Scanner detection for domain / URL 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 Antivirus detection for URL or domain 2->95 97 10 other signatures 2->97 11 SecuriteInfo.com.Win32.RATX-gen.32756.13152.exe 7 2->11         started        15 LLqkGapqTux.exe 5 2->15         started        17 remcos.exe 2->17         started        19 2 other processes 2->19 process3 file4 79 C:\Users\user\AppData\...\LLqkGapqTux.exe, PE32 11->79 dropped 81 C:\Users\...\LLqkGapqTux.exe:Zone.Identifier, ASCII 11->81 dropped 83 C:\Users\user\AppData\Local\...\tmpE68A.tmp, XML 11->83 dropped 85 SecuriteInfo.com.W...32756.13152.exe.log, ASCII 11->85 dropped 103 Uses schtasks.exe or at.exe to add and modify task schedules 11->103 105 Adds a directory exclusion to Windows Defender 11->105 21 SecuriteInfo.com.Win32.RATX-gen.32756.13152.exe 5 5 11->21         started        24 powershell.exe 18 11->24         started        26 schtasks.exe 1 11->26         started        34 2 other processes 11->34 107 Machine Learning detection for dropped file 15->107 28 schtasks.exe 15->28         started        30 LLqkGapqTux.exe 15->30         started        36 3 other processes 17->36 32 schtasks.exe 19->32         started        38 3 other processes 19->38 signatures5 process6 file7 73 C:\Users\user\AppData\Roaming\...\remcos.exe, PE32 21->73 dropped 75 C:\Users\user\...\remcos.exe:Zone.Identifier, ASCII 21->75 dropped 77 C:\Users\user\AppData\Local\...\install.vbs, data 21->77 dropped 40 wscript.exe 1 21->40         started        42 conhost.exe 24->42         started        44 conhost.exe 26->44         started        46 conhost.exe 28->46         started        48 conhost.exe 32->48         started        50 conhost.exe 36->50         started        52 conhost.exe 38->52         started        process8 process9 54 cmd.exe 40->54         started        process10 56 remcos.exe 54->56         started        59 conhost.exe 54->59         started        signatures11 99 Machine Learning detection for dropped file 56->99 101 Adds a directory exclusion to Windows Defender 56->101 61 remcos.exe 56->61         started        65 powershell.exe 56->65         started        67 schtasks.exe 56->67         started        process12 dnsIp13 87 brremcoz1.ddns.net 54.38.234.75, 3270, 49695 OVHFR France 61->87 89 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 61->89 109 Installs a global keyboard hook 61->109 69 conhost.exe 65->69         started        71 conhost.exe 67->71         started        signatures14 process15
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f5b86bcb2e58400f938e94c71a1b1e7b06d6e9bc1749fc1e6f999110e4fc9143/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-01-10 04:29:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
12
AV detection:
18 of 39 (46.15%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6w4gxszolbaa7e4ostdrugy6pmdnn2n4c5e7yhtptgirbzh4sfbq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
3ab2ca682019279e28525a8ff1a72e08badba1c0f3012f926bad1528b2b0944a
RemcosRAT
47dabe278b8a171986b17e69ac9fac43657c11eb3c2c1523848074e0cfe6a57f
RemcosRAT
89adcb90dcc56d8e5b6cab4fce35a7ea8619ed9d47a5a947aaf4f34cb42c5021
RemcosRAT
8e7d1931cfe215a12acad3beb975cd78099a295a721069b35c05b469e2f703f9
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
a0a124777df35d015c84f61af9a8e4d0dba82120a30fa031b73b885a13d88214
RemcosRAT
c0499439a0e94bca738d814f9626f30639c96a7664a19e77c3eafda15ddc6ef7
RemcosRAT
fe800049d4ece336205fd83c50c747fc4f7f18e4cb2f2e80f37d0ec1700166d1
RemcosRAT
+ 4'140 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/230110-e38qrsfh8v/
Behaviour
Creates scheduled task(s)
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
Remcos
Malware Config
C2 Extraction:
brremcoz1.ddns.net:3270
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ca51e2cd-433e-4593-a6c6-bbea385f6109
Unpacked files
SH256 hash:
4907eff678bd3ca231e742f9148ae19abffd275fa3c4f543294eb574e86aca99
MD5 hash:
0b03a763a7da8fe2f235de47821eb432
SHA1 hash:
fb857f152bffcb03fff61f690b6eae122b7b4868
Link:
https://www.unpac.me/results/1745e7cf-6c2a-49ed-a6b8-6e3173d10036/
SH256 hash:
0f563530395f87427a3d492ccad9384952c354c7afa9d2a9504d09c2095689b8
MD5 hash:
34c1b16e6b598d5b8de9927e73640970
SHA1 hash:
9c52a3d05ac7adebd5bff1db3b04e6314560195b
Link:
https://www.unpac.me/results/1745e7cf-6c2a-49ed-a6b8-6e3173d10036/
SH256 hash:
03e5e03a5a3c9c08437d5c33c2c63b12bbad663511c921761012e53b9296c678
MD5 hash:
b5cff700adbaee6d096dad2cc6efd1e8
SHA1 hash:
38d16cba0d95be58afdf428ae7beaeaa73740de0
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/1745e7cf-6c2a-49ed-a6b8-6e3173d10036/
Parent samples :
c2013fad6a1941c7f9958fb93cb178ff4fa76fcc698f0aef9260f68798c2f626
24e038fe958537de3ac2de0792131ae1cb08c1564801e0d95cee02281fb6e724
f5b86bcb2e58400f938e94c71a1b1e7b06d6e9bc1749fc1e6f999110e4fc9143
abe27f90a49a7e563fc39eb1e0da5c0327e490aefe6638fa4dfa50fea16c42d2
3e5978c46162ecb05c51d7fff9ec6786ac453fff4dba91d906f9ec2f764d87af
d17ccb455ee24cc30f0bb0bdbfe244a388444b82ec069bb0766870b243f03695
SH256 hash:
ff1b42ea7d56a37eae801adbddb7116f52a4664c0b41302736f522852edc2747
MD5 hash:
89ac57478044c57c7195943116a521e0
SHA1 hash:
1ff2bafeed795423e3538d810bda8e1e3fcdcfa5
Link:
https://www.unpac.me/results/1745e7cf-6c2a-49ed-a6b8-6e3173d10036/
SH256 hash:
c47e2d12442ecc8e285ac50096896d2f5c5e7eb0d6be54c211011e8c440e2c83
MD5 hash:
134c8597c51c3ceb44400bc003c60fa2
SHA1 hash:
7ca835dd55c7a84175c03c86d2892719e3d05092
Link:
https://www.unpac.me/results/1745e7cf-6c2a-49ed-a6b8-6e3173d10036/
SH256 hash:
f5b86bcb2e58400f938e94c71a1b1e7b06d6e9bc1749fc1e6f999110e4fc9143
MD5 hash:
8a64c958def4abbd468d5bc040da7567
SHA1 hash:
f73b55b3036bf1a83c4ca96ed914e1d1ba669f2d
Link:
https://www.unpac.me/results/1745e7cf-6c2a-49ed-a6b8-6e3173d10036/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f5b86bcb2e58/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/f5b86bcb2e58400f938e94c71a1b1e7b06d6e9bc1749fc1e6f999110e4fc9143

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/351368/

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