MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d. 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: 18


Intelligence 18 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d
SHA3-384 hash: 8725e4aed6f0d966266d9f4de873f85c55b25b56f70187451f0f4f955a7f9593f01c9a64b7cdada95d7838aa3413102f
SHA1 hash: 1ed73e0789b94ae7e64d732ea1a08a084d3341ec
MD5 hash: 7d6670197ef854fb58915d4915a530fe
humanhash: washington-speaker-lactose-six
File name:hesaphareketi-01.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:541'974 bytes
First seen:2023-02-07 12:56:00 UTC
Last seen:2023-02-13 07:07:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:vY2DZeRdO2biJGehPaSMYDsQmeaPvSHHEvset2rfqRKmh0/yBCRFC4iikcGdFA:vY2DZYvedaFYDbPa3SnmDk2K95RFC7iH
Threatray 2'596 similar samples on MalwareBazaar
TLSH T1E6B423D5BBE9CA27E4A15430267A05B6DEAFBF1022B9441B03B0380D7C71647DF2DB66
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 46669adccce83e83 (5 x SnakeKeylogger, 2 x AgentTesla, 1 x LaplasClipper)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
3
# of downloads :
208
Origin country :
DE DE
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
hesaphareketi-01.exe
Verdict:
Malicious activity
Analysis date:
2023-02-07 12:56:15 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/b74bcc68-47a9-4978-90e8-88f467d2a379

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/361361/
Detection(s):
SecuriteInfo.com.Gen.Variant.Nemesis.1954.2195.27227.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Sending a custom TCP request
Creating a file
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/66095/overview
Behaviour
MalwareBazaar
Verdict:
No Threat
Threat level:
  2/10
Confidence:
83%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63e24a67696b2d9725757d0e/reports/09cc5817-5e3e-465f-964e-01d1f34f3e01/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d
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/7aa883fb-6940-4695-9d42-eed4bf005b96
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1167658
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Installs a global keyboard hook
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
Uses dynamic DNS services
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 800438 Sample: hesaphareketi-01.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for URL or domain 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 6 other signatures 2->52 7 hesaphareketi-01.exe 19 2->7         started        10 uyifld.exe 2->10         started        13 uyifld.exe 2->13         started        process3 file4 28 C:\Users\user\AppData\Local\Temp\nelac.exe, PE32 7->28 dropped 15 nelac.exe 1 2 7->15         started        56 Multi AV Scanner detection for dropped file 10->56 19 WerFault.exe 4 10 10->19         started        21 WerFault.exe 10 13->21         started        signatures5 process6 file7 32 C:\Users\user\AppData\Roaming\...\uyifld.exe, PE32 15->32 dropped 38 Multi AV Scanner detection for dropped file 15->38 40 Contains functionality to bypass UAC (CMSTPLUA) 15->40 42 Contains functionality to steal Chrome passwords or cookies 15->42 44 3 other signatures 15->44 23 nelac.exe 2 16 15->23         started        signatures8 process9 dnsIp10 34 report1.duckdns.org 195.3.223.117, 49695, 5890 PL-SKYTECH-ASPL Poland 23->34 36 geoplugin.net 178.237.33.50, 49696, 80 ATOM86-ASATOM86NL Netherlands 23->36 30 C:\ProgramData\remcos\logs.dat, data 23->30 dropped 54 Installs a global keyboard hook 23->54 file11 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d/
Threat name:
Win32.Trojan.InjectorX
Create hunting rule
Status:
Malicious
First seen:
2023-02-07 12:02:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=24272kv64dsx7vaqutijpayfoa7yz7ftxgiogqw7hntnq2tf2bgq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1ad7a11b90fe0a21efb62ed36e1e9b1de9071cd6e73a59caca933aa81ea54d94
RemcosRAT
62f4359aef9d0d604c03c099da375debd0d98f20cf4f673a5a32bd64989076ca
RemcosRAT
779fe92ccc2fcb737c36756838a50a12d290c3e55cf7a18082abca41cd95c9b4
RemcosRAT
808bb32f710ae23d2a4b53b873f766bf56d905dbe8e51810edd15ff79538cd94
RemcosRAT
a4da37e92ca54c8851ad144fba875b61e2018f69bbe43b11926d8f8d831b56f0
RemcosRAT
d542654502d1d20bd12562b35902d69e78236e4fc1246617788bb8d0d695b86c
RemcosRAT
d631846a6b827332486abee9223f46c0beb25334d6722a8bf43641c4e32b5741
RemcosRAT
f7f8d1ebfed3afd13eb47392a7f502603ecb970a817c221682cd8f2a17ff2bb3
RemcosRAT
+ 2'586 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/230207-p6cgvabg47/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
report1.duckdns.org:5890
Unpacked files
SH256 hash:
192fa0591be0213cf5eb86d3b70db863f8953e3bc1d555d456b51752cf8644a5
MD5 hash:
1cd3378b7a7b867038e7372f72eb219a
SHA1 hash:
6d8034b762d2828e51babe8e4a322f3a0bfa047a
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/629077a8-c614-434d-964b-12b568c43488/
Parent samples :
d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d
7f957a63ff320cf43b53f9f8e7a11ffd327c12a63704cc7fdf11a9a1111ed8f7
4a2002d591a7957dbe2cc2a3b6a8e40ab667966497ddda2c8038ec58233b1fd9
e0bf2af1713abe4f3c276ff977a8405ad655b4cf43def74cea14b06540d5ca00
71413583e55230a0a3a659cae17e5a23da5db0b660ed850b268c16680945995a
25ba7b40ff6921b6590360a905d4389e799e0fc9f69f131f8ec21611482cde82
SH256 hash:
62ada49ba17a8251e48ffc7bfde2d6cadad2db49d1ed65d55a5d78da146208b1
MD5 hash:
fd4820ceaa580551103339da06be2f2c
SHA1 hash:
9bbc841cfb9186cc33dc71ec87504b34c6efece8
Link:
https://www.unpac.me/results/629077a8-c614-434d-964b-12b568c43488/
SH256 hash:
d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d
MD5 hash:
7d6670197ef854fb58915d4915a530fe
SHA1 hash:
1ed73e0789b94ae7e64d732ea1a08a084d3341ec
Link:
https://www.unpac.me/results/629077a8-c614-434d-964b-12b568c43488/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d735fd2abee0/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/d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d

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.

Malspam

RemcosRAT

Executable exe d735fd2abee0e57fd410a4d0978305703f8cfcb3b990e342df3b66d86a65d04d

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/361361/

Comments