MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b38b27f4e9db2200b2aac0416699f6a1b079ffc7923a74859d75ff2d04cbb8b4. 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: 14


Intelligence 14 IOCs 1 YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b38b27f4e9db2200b2aac0416699f6a1b079ffc7923a74859d75ff2d04cbb8b4
SHA3-384 hash: 9ca39b3956639b55e82e07fea203adaa47921c018b4c3db84792d480409ff765019cb5aa265e16e55becc2a407ee1632
SHA1 hash: fe6b1a8543b71e7ccc672c78502b9cb5ec608bc2
MD5 hash: 7192048c5d3b74c2a5b9110411b9b7a7
humanhash: xray-delaware-oscar-wolfram
File name:Request for Quotation (RFQ) - 14000102.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'104'896 bytes
First seen:2022-08-18 18:25:19 UTC
Last seen:2022-09-01 23:15:13 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 24576:9vuPeng6SqaIi+d90wFpAO4E7WFvzkCU/:9vg6SxI3d99FN+vzDU
TLSH T18E35E02577A7DC13D3BD43B2C1C3440493B5994AA11EE78B3FCA21C61A02BEA99C5BD7
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter abuse_ch
Tags:exe RAT RemcosRAT


Avatar
abuse_ch
RemcosRAT C2:
37.0.14.203:2404

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
37.0.14.203:2404 https://threatfox.abuse.ch/ioc/843989/

Intelligence

File Origin
# of uploads :
2
# of downloads :
350
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Request for Quotation (RFQ) - 14000102.exe
Verdict:
Malicious activity
Analysis date:
2022-08-18 18:26:25 UTC
Tags:
trojan rat remcos keylogger
Link:
https://app.any.run/tasks/d20ccd4e-7534-431c-acc3-3bd3d931d3e3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/299636/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.1496.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
Link:
https://www.filescan.io/uploads/62fe84b5a6276e777d2b3fd6/reports/793b1beb-8e6c-4037-8fd9-3923a79f25ba/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:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/872ab638-8401-42e2-ae5d-4243a83a64a8
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1053957
Signature
.NET source code contains potential unpacker
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses dynamic DNS services
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b38b27f4e9db2200b2aac0416699f6a1b079ffc7923a74859d75ff2d04cbb8b4/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2022-08-18 18:26:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=wofsp5hj3mrabmvkybawngpwugyht76hsi5hjbm5ox7s2bglxc2a._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:duckdns-file rat
Link:
https://tria.ge/reports/220818-w26nfsaben/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Remcos
Malware Config
C2 Extraction:
snrpappy.duckdns.org:2404
Unpacked files
SH256 hash:
6341d9594255584857eb3b11bee5c5634a29958c27d47c43945a6012b55cff47
MD5 hash:
a3850f4df5a26a3ef1353b62044fdafa
SHA1 hash:
ee3ebd7c52adc133a3d78915a09ff37919d0c04e
Link:
https://www.unpac.me/results/286df25c-aefb-4ef0-a352-07434f1246de/
SH256 hash:
551ef0181260a5ab5728a618c2e86443753aaeb425e6c3b1346dfb0a661c73af
MD5 hash:
3c7205139e6aabd7de040b15021c24ed
SHA1 hash:
e4c66e4ca1bb3b5488d7c4ba7fddc8cac118955f
Link:
https://www.unpac.me/results/286df25c-aefb-4ef0-a352-07434f1246de/
SH256 hash:
0295ab8868cdff94adee0f6eb41f8034e29db630114c91539a70ae9b991cce4e
MD5 hash:
a7ff6c6d58806d01690f631788dad810
SHA1 hash:
36cb8bb261450b5ce71f23d3531e66182af12273
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/286df25c-aefb-4ef0-a352-07434f1246de/
SH256 hash:
9b4aee132a0228378d66a57fda3a2030952309ef74cf2db724ac916b04d8c034
MD5 hash:
93c6391d23c1aa1ed66fb13f82f2ee31
SHA1 hash:
220098c3047c32b51ae13a5cc1e9beeef3da6e18
Link:
https://www.unpac.me/results/286df25c-aefb-4ef0-a352-07434f1246de/
SH256 hash:
c8dc7d3b5e1254a3766fbdf0a197196febb7be2edc25e04193365345d99e754a
MD5 hash:
bba80858c9752ed2029ec1bc3007a55d
SHA1 hash:
11ae9007d1e849a8b4a2b31a760923ca5ccbac8f
Link:
https://www.unpac.me/results/286df25c-aefb-4ef0-a352-07434f1246de/
SH256 hash:
b38b27f4e9db2200b2aac0416699f6a1b079ffc7923a74859d75ff2d04cbb8b4
MD5 hash:
7192048c5d3b74c2a5b9110411b9b7a7
SHA1 hash:
fe6b1a8543b71e7ccc672c78502b9cb5ec608bc2
Link:
https://www.unpac.me/results/286df25c-aefb-4ef0-a352-07434f1246de/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/b38b27f4e9db2200b2aac0416699f6a1b079ffc7923a74859d75ff2d04cbb8b4

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_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

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/299636/

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