MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e. 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 YARA 8 File information Comments
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SHA256 hash: 7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e
SHA3-384 hash: c77b181367fdad654b9812af2e2857c0da5f23d0c230d83cac0000f4674956e0ad01d9b675348e3ad37057dbb6457720
SHA1 hash: 4b9a55d4c852a955d35e22e4141b1a754e0a6fc3
MD5 hash: b6cdc9d8356051d82360cdde2d04d504
humanhash: rugby-foxtrot-september-one
File name:7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:795'648 bytes
First seen:2021-08-06 07:14:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9c955bfbaffe3626e1c455c4ade5d1b7 (4 x RemcosRAT)
ssdeep 12288:oakOZMeySruMg5l/NRD3yU5PAH29cOqYT9DeEFr/UtbYy8GkAQKxDOddpAf:HZvySqMIlVRDn1AHCfpVlFrqu7
Threatray 731 similar samples on MalwareBazaar
TLSH T1CE057DE4FD513E36CD9A4D365D1B86A944DCAE3C182698D21BFEFC489F785B22C21183
dhash icon 1130767864760841 (6 x RemcosRAT, 2 x Formbook, 1 x NetWire)
Reporter JAMESWT_WT
Tags:185.157.162.100 exe express-gus52.duckdns.org RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
151
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e
Verdict:
Malicious activity
Analysis date:
2021-08-06 07:16:15 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6cfdf7b2-9fd8-4281-9390-0455276b34da

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/176922/
Detection(s):
SecuriteInfo.com.W32.AIDetect.malware1.23768.8379.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Launching a process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6f787ec5-ce81-43e5-9aaf-455f3307972f
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/828151
Signature
Allocates memory in foreign processes
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
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file access)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 460582 Sample: HLOoYIyY8n Startdate: 06/08/2021 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Found malware configuration 2->54 56 Malicious sample detected (through community Yara rule) 2->56 58 6 other signatures 2->58 7 HLOoYIyY8n.exe 1 19 2->7         started        12 Hiucfae.exe 13 2->12         started        14 Hiucfae.exe 13 2->14         started        process3 dnsIp4 36 cdn.discordapp.com 162.159.135.233, 443, 49704, 49705 CLOUDFLARENETUS United States 7->36 32 C:\Users\Public\Libraries\...\Hiucfae.exe, PE32 7->32 dropped 66 Writes to foreign memory regions 7->66 68 Creates a thread in another existing process (thread injection) 7->68 70 Injects a PE file into a foreign processes 7->70 16 secinit.exe 2 7->16         started        72 Multi AV Scanner detection for dropped file 12->72 74 Allocates memory in foreign processes 12->74 20 logagent.exe 12->20         started        22 dialer.exe 14->22         started        file5 signatures6 process7 dnsIp8 34 express-gus52.duckdns.org 185.157.162.100, 49151, 49715, 49720 OBE-EUROPEObenetworkEuropeSE Sweden 16->34 40 Contains functionalty to change the wallpaper 16->40 42 Contains functionality to steal Chrome passwords or cookies 16->42 44 Contains functionality to inject code into remote processes 16->44 46 Injects a PE file into a foreign processes 16->46 24 secinit.exe 1 16->24         started        27 secinit.exe 13 16->27         started        30 secinit.exe 1 16->30         started        48 Contains functionality to steal Firefox passwords or cookies 20->48 50 Delayed program exit found 20->50 signatures9 process10 dnsIp11 60 Tries to steal Instant Messenger accounts or passwords 24->60 62 Tries to steal Mail credentials (via file access) 24->62 38 192.168.2.1 unknown unknown 27->38 64 Tries to harvest and steal browser information (history, passwords, etc) 27->64 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e/
Threat name:
Win32.Spyware.AveMaria
Create hunting rule
Status:
Malicious
First seen:
2021-08-02 11:25:35 UTC
File Type:
PE (Exe)
Extracted files:
16
AV detection:
22 of 28 (78.57%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=pzvuanyxkglq5rntwf7qfke2y37rw746yibbafcp25pzslb26ipa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
16b834e15f6d2c66cb5f2b8b5acbe63830408847d3731d60625b57c1c0e9ad5a
RemcosRAT
1974f2f3c94bc79af6872802cae45f9113ce6b708635930a77aa73db92898852
RemcosRAT
5541f9d1656fe9d24b9048afc1dd005bf25d9aacac4e57f932bbdb19919776dd
RemcosRAT
7162fc24e700f042d19b8f08a42c91bfae05f2a08c66df2bb4cb3d8e8635e475
RemcosRAT
79861a10fcfaf967d54382b93d84ed03e5d5202cd3dfdcb599a535520360017e
RemcosRAT
b9b1a3245f7aa2f9fadc4cff8343866030a63f297167df00ca0aa4284f453be1
RemcosRAT
cbe42b277b9e2d8ad915917a6c9a6cca9858efb70c342462a0a6701b39dda1fc
RemcosRAT
e1686c75b6d0982c533063557289dd24d66ba74a9dd37cd5d328c3451035a01f
RemcosRAT
f198970271e10830bafa86eccc5ce43e5075a15ed43f4e1924d0e8e0824f218b
RemcosRAT
+ 721 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:remsug persistence rat suricata
Link:
https://tria.ge/reports/210806-ba28jep7xn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Adds Run key to start application
Remcos
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
Malware Config
C2 Extraction:
express-gus52.duckdns.org:49151
Unpacked files
SH256 hash:
d43e01a7e5e489c3c38b4dfb37dc52ce40122011b1d660c6ee42e05754b65e06
MD5 hash:
156c3bda9925653c7733176474817b87
SHA1 hash:
9228a6f97ccebe1a657239ade622e633b63c7ce8
Link:
https://www.unpac.me/results/f401429f-011c-44d7-9301-6a82e36a420c/
SH256 hash:
7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e
MD5 hash:
b6cdc9d8356051d82360cdde2d04d504
SHA1 hash:
4b9a55d4c852a955d35e22e4141b1a754e0a6fc3
Link:
https://www.unpac.me/results/f401429f-011c-44d7-9301-6a82e36a420c/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/7e6b40371751/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/7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e

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:ach_RemcosRAT
Create hunting rule
Author:abuse.ch
Rule name:INDICATOR_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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

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/176922/

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