MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a. 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: 17


Intelligence 17 IOCs YARA 7 File information Comments
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SHA256 hash: 37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
SHA3-384 hash: 8ccbc8efe67ed8d0835fb03583548d85df12dfcdf3ce733c983046b54245af3a1287f3c52b50a0f56a5b6dcac46a0aab
SHA1 hash: c6b0df641c971af82a14cf71cbd2226f9430800e
MD5 hash: c5b0e19ef0ac1a0ff7a848c9b156fd60
humanhash: quebec-vermont-berlin-nevada
File name:SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29604.8216
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:488'672 bytes
First seen:2023-07-26 01:28:17 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:vYpTPuz7x1BnMKo42AEJ2Nb2qoa12PaS/zcWhi4c:vYpqz7x1VMgEg2RaYhLcK8
Threatray 2'293 similar samples on MalwareBazaar
TLSH T182A42300B964D2E7DD860A72597709246B7C56200AF85B07DBE18F5E3932963EE0BFF1
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter SecuriteInfoCom
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
367
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29604.8216
Verdict:
Malicious activity
Analysis date:
2023-07-26 01:29:07 UTC
Tags:
rat remcos remote
Link:
https://app.any.run/tasks/7d70de60-8fa0-4ed9-8a33-233e3c847102

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/433322/
Detection(s):
SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29604.8216.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a file
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Sending a TCP request to an infection source
Gathering data
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
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/6da8a80b-8b69-4114-a2a8-cb7c6ab8d0bf
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1279770
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors)
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1279770 Sample: SecuriteInfo.com.Trojan.NSI... Startdate: 26/07/2023 Architecture: WINDOWS Score: 100 35 Found malware configuration 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for URL or domain 2->39 41 7 other signatures 2->41 6 xhdmirbwgpktpy.exe 18 2->6         started        10 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29604.8216.exe 1 20 2->10         started        12 xhdmirbwgpktpy.exe 18 2->12         started        process3 file4 21 C:\Users\user\AppData\Local\...\jettkq.dll, PE32 6->21 dropped 43 Multi AV Scanner detection for dropped file 6->43 45 Contains functionality to bypass UAC (CMSTPLUA) 6->45 47 Detected unpacking (changes PE section rights) 6->47 57 5 other signatures 6->57 14 xhdmirbwgpktpy.exe 6->14         started        23 C:\Users\user\AppData\...\xhdmirbwgpktpy.exe, PE32 10->23 dropped 25 C:\Users\user\AppData\Local\...\jettkq.dll, PE32 10->25 dropped 49 Detected unpacking (overwrites its own PE header) 10->49 51 Contains functionalty to change the wallpaper 10->51 53 Found evasive API chain (may stop execution after reading information in the PEB, e.g. number of processors) 10->53 16 SecuriteInfo.com.Trojan.NSISX.Spy.Gen.24.29604.8216.exe 3 13 10->16         started        27 C:\Users\user\AppData\Local\...\jettkq.dll, PE32 12->27 dropped 55 Maps a DLL or memory area into another process 12->55 19 xhdmirbwgpktpy.exe 12->19         started        signatures5 process6 dnsIp7 29 64.112.85.218, 4888, 49695 UNIREGISTRYKY Reserved 16->29 31 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 16->31 33 192.168.2.1 unknown unknown 16->33
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a/
Threat name:
Win32.Trojan.Nsisx
Create hunting rule
Status:
Malicious
First seen:
2023-07-26 01:29:06 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=g7z5ydnzn4rvlfht4ikt5bi23vqqh2dkpg4boivbgdczfumyd4fa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
RemcosRAT
3da90b636e39cd1f67e3542c60d813c6ff8152f7f740b3ef4ef086ef120836df
RemcosRAT
4b66b1c337c83ccb79e4862a7a32421fd75a565a59fee1f830d4aae55b64af9a
RemcosRAT
69cb61375bae8db7278ca4adee488faea6723d8052270908010541c4850e8dcb
RemcosRAT
882a895b320ba323dccd33d6d82e02b4506b7386a91c63c0c505345796352d67
RemcosRAT
979b67124f30f347688897010f34abf0467a67516ba011c9601cf06a14be0432
RemcosRAT
b41e4528449d3fa1730eca98df0dc9fd9e3683ccfaedf1d72ee2af2899f18db8
RemcosRAT
+ 2'283 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/230726-bv8t1sgg35/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
64.112.85.218:4888
Unpacked files
SH256 hash:
41a6b66b34474558a055b445266241047c38240b85fbf399be40e8841f742d83
MD5 hash:
4804d6ffce0d37864ab01b3e10f63bf9
SHA1 hash:
a840c66ccd1761f431e95b40e8dc4daf2551afcc
Link:
https://www.unpac.me/results/85115609-052e-4afa-903e-866ed1add55c/
SH256 hash:
e9a57ea6ba112cbc31de122f5d0d3f34552ae0c81e5749dcc2dcb86f80a977e5
MD5 hash:
36a668f807e48b157d6707d3778b0d0c
SHA1 hash:
9e9b1333c1078e25090d321feb780a306cc04e5d
Link:
https://www.unpac.me/results/85115609-052e-4afa-903e-866ed1add55c/
SH256 hash:
04adf7cc43ba331ca5f202b718fefbc16cbcccdee11c1830087b8115ae429eb4
MD5 hash:
07d1ba5604b10a849c185fa855c923da
SHA1 hash:
4dfecf14ddb1f0896b47b168273f8a37396b5051
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/85115609-052e-4afa-903e-866ed1add55c/
Parent samples :
356397e5a8cede8dc9420b6f76ed565748382705ed55888b0a85a48e94ec2bc4
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
17927cf92cf25c048021f9517386f9a69936c8c03ac8afb18eac18e512e662a2
593cf342a669fcb1bff594bd8ce85fc112bc19d42f7fcb0932c9ac5cdf70d0d9
8167261af1cde7e03bd2ddf43ebde21bda4af66216d2c4ee9ca1c967e580f7a5
SH256 hash:
37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a
MD5 hash:
c5b0e19ef0ac1a0ff7a848c9b156fd60
SHA1 hash:
c6b0df641c971af82a14cf71cbd2226f9430800e
Link:
https://www.unpac.me/results/85115609-052e-4afa-903e-866ed1add55c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/37f3dc0db96f/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/37f3dc0db96f235594f3e2153e851add6103e86a79b81722a130c592d1981f0a

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
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/433322/

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