MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2cfbcebd445e279de69ffa4169f678dda459b3ef194070a7ea3fd1ecf82f40e. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2cfbcebd445e279de69ffa4169f678dda459b3ef194070a7ea3fd1ecf82f40e
SHA3-384 hash: e07c9b3839097883c3263863194ad0ebf0247a7404bde720c2b215c8f98033d2b1afda78505037c97b310509a503fde2
SHA1 hash: 679163ec665252c72dd90b8c198cfad8c964cde2
MD5 hash: b904f6a4b02be56ab504a10cbf6a5af1
humanhash: cardinal-mobile-gee-michigan
File name:RFQ-2022080902401220JP.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:11'776 bytes
First seen:2022-08-09 12:27:08 UTC
Last seen:2022-08-15 06:55:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 96:EJFqfP1Lp21v3fAgQHhsXVQmT8OmhoUYPQRyBl9lDnYCgrqVhy0Vq5EwExoxH1Yw:+qlMdA0QmTuoNPQknY32VxVzcDdUE
Threatray 1'852 similar samples on MalwareBazaar
TLSH T17E32964FE3C89971C93A473EA95292B20664B755DCFD4F6E30787917B8333C20662D2A
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)
File icon (PE):PE icon
dhash icon 9b1979616969612b (42 x RemcosRAT, 6 x AgentTesla, 5 x Formbook)
Reporter malwarelabnet
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
285
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
見積のリクエスト：RFQ-2022080902401220JP.exe
Verdict:
No threats detected
Analysis date:
2022-08-09 11:17:27 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/294ca3ec-80ab-40b3-8ca1-121d2dd04f5e

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/297310/
Detection(s):
SecuriteInfo.com.Trojan.DownLoaderNET.452.17027.2836.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Sending an HTTP GET request
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Creating a window
Reading critical registry keys
Creating a file in the %temp% directory
Creating a process from a recently created file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Forced shutdown of a system process
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/62f25314f6ec33747d8c8d52/reports/9fd8c3f4-e8b1-44ea-a9e2-7d43a8c19fec/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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/30eb950c-47ed-4481-b5e7-ac19ed94edd6
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1048470
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 680964 Sample: RFQ-2022080902401220JP.exe Startdate: 09/08/2022 Architecture: WINDOWS Score: 100 75 Multi AV Scanner detection for domain / URL 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Antivirus detection for URL or domain 2->79 81 6 other signatures 2->81 7 RFQ-2022080902401220JP.exe 16 7 2->7         started        12 Hamczwmly.exe 14 3 2->12         started        14 Hamczwmly.exe 3 2->14         started        process3 dnsIp4 63 transfer.sh 144.76.136.153, 443, 49740, 49784 HETZNER-ASDE Germany 7->63 51 C:\Users\user\AppData\...\Hamczwmly.exe, PE32 7->51 dropped 53 C:\Users\...\Hamczwmly.exe:Zone.Identifier, ASCII 7->53 dropped 55 C:\Users\...\RFQ-2022080902401220JP.exe.log, ASCII 7->55 dropped 85 Encrypted powershell cmdline option found 7->85 87 Writes to foreign memory regions 7->87 89 Injects a PE file into a foreign processes 7->89 16 aspnet_compiler.exe 2 16 7->16         started        21 powershell.exe 13 7->21         started        23 aspnet_compiler.exe 7->23         started        25 powershell.exe 12->25         started        27 aspnet_compiler.exe 12->27         started        29 powershell.exe 14->29         started        file5 signatures6 process7 dnsIp8 57 obologs.work.gd 194.5.98.244, 4044, 49786, 49788 DANILENKODE Netherlands 16->57 59 geoplugin.net 178.237.33.50, 49789, 80 ATOM86-ASATOM86NL Netherlands 16->59 61 transfer.sh 16->61 47 C:\Users\user\AppData\Local\Temp\dwn.exe, PE32 16->47 dropped 49 C:\Users\user\AppData\Local\...\Yizjn[1].exe, PE32 16->49 dropped 83 Maps a DLL or memory area into another process 16->83 31 dwn.exe 16->31         started        35 aspnet_compiler.exe 16->35         started        37 aspnet_compiler.exe 16->37         started        45 14 other processes 16->45 39 conhost.exe 21->39         started        41 conhost.exe 25->41         started        43 conhost.exe 29->43         started        file9 signatures10 process11 dnsIp12 65 transfer.sh 31->65 67 Multi AV Scanner detection for dropped file 31->67 69 Machine Learning detection for dropped file 31->69 71 Tries to steal Instant Messenger accounts or passwords 35->71 73 Tries to steal Mail credentials (via file / registry access) 35->73 signatures13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2cfbcebd445e279de69ffa4169f678dda459b3ef194070a7ea3fd1ecf82f40e/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-08-09 02:36:43 UTC
File Type:
PE (.Net Exe)
Extracted files:
4
AV detection:
14 of 25 (56.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wlh3z26uixrhtxtj76sbnh3hrxnelgz66gkaoct6up6r5t4c6qha._file
Verdict:
malicious
Label(s):
formbook
Create hunting rule
remcos
Create hunting rule
Similar samples:
18662d3d7b350d99657f8713079814c9fb2d11161a6721116d9654e23bb0782e
RemcosRAT
22f9a7a8f42d3d3c49c8868d8013d56e54fcdcde9c020fb03bad42903f77279c
RemcosRAT
253ec23e3db30683bfed20ee25778f5632b700aaf411c498cb092ea18e0eb5cc
RemcosRAT
77ed7f099d383a993b3ee6383ec343a3eda6b117f53febd01a1dc10c63cfea09
RemcosRAT
8342c94ddfd4cca232e9d1cd5faed48fdce02a694b062606b938401b502a0c30
RemcosRAT
9433ec5758b48a6193b6b80ac03df0acf553d2ebeba04d84b6dbec9558a6e035
RemcosRAT
9a6542e7da5c82465fd053f020d82161a8995c3353b58ac9b3e085d70d9ecf8d
RemcosRAT
a6abf72d95dac9ba6e6e4b53d9cbcd013846660a18ac5b9eeacb6cd87c783a2c
RemcosRAT
ebcb09c56c09245ba10f231b7d4bfacdb5615ee6e3820f479f0a0d6488759668
RemcosRAT
+ 1'842 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/220809-pnbgtsbhc4/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
obologs.work.gd:4044
Unpacked files
SH256 hash:
b2cfbcebd445e279de69ffa4169f678dda459b3ef194070a7ea3fd1ecf82f40e
MD5 hash:
b904f6a4b02be56ab504a10cbf6a5af1
SHA1 hash:
679163ec665252c72dd90b8c198cfad8c964cde2
Link:
https://www.unpac.me/results/e3c1bec0-924c-40ee-9dde-e1b9e353bb27/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b2cfbcebd445/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.38
Link:
https://yomi.yoroi.company/submissions/b2cfbcebd445e279de69ffa4169f678dda459b3ef194070a7ea3fd1ecf82f40e

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/297310/

Comments