MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 311e25c8370ed1c16a72cf163c48090f3e73495bc5fbc3a824635e9cc62f70e1. 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: 11


Intelligence 11 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 311e25c8370ed1c16a72cf163c48090f3e73495bc5fbc3a824635e9cc62f70e1
SHA3-384 hash: 4e0a3573bf2f8d82972aec30061cf334f345a89d3e868fd205d0a83d60837f28c57453d36d217862bca5d9927362c9f8
SHA1 hash: 44a2ce6196d4467b6ae78a625d346f9008935630
MD5 hash: 4831c6d14c3a2135226c3e581bb4013f
humanhash: venus-princess-artist-yellow
File name:ad94b98e49e2c5f974483313942e5968.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:909'824 bytes
First seen:2021-05-06 07:51:42 UTC
Last seen:2021-05-06 08:01:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:Q6XIe7NwIoLLoS60/K7yh0X8zKdeRyUh7SdX5yhYfR9HdmIfhWx4AK/mKjOHTsZy:DI2BoLAMzwe5s8YfJmes2
Threatray 1'756 similar samples on MalwareBazaar
TLSH 891528EC721075EEC65BCC22DBCE1C1596202176972B9607972303BD9E0EE57AF388D6
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
31.210.21.205:2404

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
31.210.21.205:2404 https://threatfox.abuse.ch/ioc/30163/

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/151426/
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Deleting 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
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.
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/713511
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Detected Remcos RAT
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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 signatures2 2 Behavior Graph ID: 405679 Sample: ad94b98e49e2c5f974483313942... Startdate: 06/05/2021 Architecture: WINDOWS Score: 100 52 Multi AV Scanner detection for domain / URL 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 10 other signatures 2->58 11 ad94b98e49e2c5f974483313942e5968.exe 3 2->11         started        15 svchosts.exe 2 2->15         started        17 svchosts.exe 2 2->17         started        process3 file4 48 ad94b98e49e2c5f974483313942e5968.exe.log, ASCII 11->48 dropped 60 Contains functionality to steal Chrome passwords or cookies 11->60 62 Contains functionality to capture and log keystrokes 11->62 64 Contains functionality to inject code into remote processes 11->64 66 Contains functionality to steal Firefox passwords or cookies 11->66 19 ad94b98e49e2c5f974483313942e5968.exe 4 5 11->19         started        68 Injects a PE file into a foreign processes 15->68 22 svchosts.exe 15->22         started        24 svchosts.exe 17->24         started        signatures5 process6 file7 42 C:\Users\user\AppData\...\svchosts.exe, PE32 19->42 dropped 44 C:\Users\...\svchosts.exe:Zone.Identifier, ASCII 19->44 dropped 46 C:\Users\user\AppData\Local\...\install.vbs, data 19->46 dropped 26 wscript.exe 1 19->26         started        process8 process9 28 cmd.exe 1 26->28         started        process10 30 svchosts.exe 3 28->30         started        33 conhost.exe 28->33         started        signatures11 70 Multi AV Scanner detection for dropped file 30->70 72 Detected unpacking (changes PE section rights) 30->72 74 Detected unpacking (overwrites its own PE header) 30->74 76 2 other signatures 30->76 35 svchosts.exe 3 3 30->35         started        38 svchosts.exe 30->38         started        process12 dnsIp13 50 sandshoe.myfirewall.org 31.210.21.205, 2404, 49726 PLUSSERVER-ASN1DE Netherlands 35->50 40 svchost.exe 35->40         started        process14
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/311e25c8370ed1c16a72cf163c48090f3e73495bc5fbc3a824635e9cc62f70e1/
Threat name:
Win32.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-05-06 07:52:09 UTC
AV detection:
13 of 47 (27.66%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gepclsbxb3i4c2tsz4ldysajb47hgsk3yx54hkbemnpjzrrpodqq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0769c1487705fd65aeacdd813882e532d3bbd4ffa7106a2015bac448d8091bbb
RemcosRAT
4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251
RemcosRAT
4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
RemcosRAT
522a495b289cf22898f762f18571b8839194e6232cb80fbb28dc426cbeeee323
RemcosRAT
622a12c9935eb8f0cfa499bb445642a837fa150a161e5393f7a1d759e6f94f02
RemcosRAT
833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4
RemcosRAT
ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
cee5cdde8972799268ab97a77880793470dfc0d93c5e697bb66f83b6675f51ba
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'746 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210506-vw1rcyeps6/
Behaviour
Modifies Internet Explorer settings
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
sandshoe.myfirewall.org:2404
sandshoe.myfirewall.org:2415
Unpacked files
SH256 hash:
29bc0833d5581685672b1a798627631115b0f69c6dbf86439cdae0d3737ad788
MD5 hash:
e2e47b0e92f7218998a29fe7f0500cd3
SHA1 hash:
957bea4c29aa02270e5b2848a93b28f2fef631a3
Detections:
win_remcos_g0
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/9e150137-dd62-415a-ba8c-fc0ebd5dcec3/
SH256 hash:
74b2935b9dfe4ba397fd0507ae3c36abb77193041f2e7c43c55dc4e7b33de61c
MD5 hash:
b5c218f30fecc9cb8513ff6a46737b01
SHA1 hash:
f0416867c2b114789620b318051f1fa390b07eae
Link:
https://www.unpac.me/results/9e150137-dd62-415a-ba8c-fc0ebd5dcec3/
SH256 hash:
1d567e432ece5a40606239fb247667d1231bd5e830e6981b6e19ca4300d71038
MD5 hash:
d1f87c55f8e037933fc4375c42cf5546
SHA1 hash:
2dc03faa1d5349ebde25089f1ddd45aa30545ce5
Link:
https://www.unpac.me/results/9e150137-dd62-415a-ba8c-fc0ebd5dcec3/
SH256 hash:
311e25c8370ed1c16a72cf163c48090f3e73495bc5fbc3a824635e9cc62f70e1
MD5 hash:
4831c6d14c3a2135226c3e581bb4013f
SHA1 hash:
44a2ce6196d4467b6ae78a625d346f9008935630
Link:
https://www.unpac.me/results/9e150137-dd62-415a-ba8c-fc0ebd5dcec3/
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/311e25c8370ed1c16a72cf163c48090f3e73495bc5fbc3a824635e9cc62f70e1

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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/151426/

Comments