MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4. 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: 16


Intelligence 16 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4
SHA3-384 hash: a3061a25e8175db70fd34cba58f55edc80433d9a595dd2b268b660b5bc68b985c20dc1df56e08aa3cd5e9a28521f5351
SHA1 hash: 0fe2029510a7ef42cf3ba5bc655501d9027e0b0b
MD5 hash: 3534f7d851b089d0e612f74461ff29da
humanhash: eleven-lithium-mango-mexico
File name:DG-ERM-2024-RV-0350.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:879'616 bytes
First seen:2024-08-05 23:23:02 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (60 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 24576:liUmSB/o5d1ubcvnbfTCrnli62kup/zRmp7FsA:l/mU/ohubcvn7dd5p/tmpa
Threatray 2'759 similar samples on MalwareBazaar
TLSH T14915330BE8C1E94FD1926131A0FF6FE1C4A3D220DA3F2BF74A9093E6513D7D4419A5A6
TrID 39.1% (.EXE) UPX compressed Win32 Executable (27066/9/6)
38.3% (.EXE) Win32 EXE Yoda's Crypter (26569/9/4)
7.2% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.9% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 74f4d4d4cce4e8e0 (27 x AgentTesla, 19 x Formbook, 17 x DBatLoader)
Reporter threatcat_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
389
Origin country :
CH CH
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DG-ERM-2024-RV-0350.scr
Verdict:
Malicious activity
Analysis date:
2024-08-05 23:24:23 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/4330c253-832a-4f5e-8c36-308aac6fb996

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
91.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66b15edd037b02d0daedd60e
Tags:
Generic Stealth Trojan Shellcodecrypter
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% directory
Creating a file
Creating a process from a recently created file
Сreating synchronization primitives
Connection attempt
Launching a process
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Stealing user critical data
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
autoit lolbin masquerade microsoft_visual_cc packed packed packed shell32 upx
Link:
https://www.filescan.io/uploads/66b15edbfb08d6d234be58cd/reports/ed7118e1-a747-472d-854c-8166d321acc2/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4
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/7927f6b3-d2fe-4c2e-b5d3-e994b5b052ef
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1488454
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: WScript or CScript Dropper
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1488454 Sample: DG-ERM-2024-RV-0350.scr.exe Startdate: 06/08/2024 Architecture: WINDOWS Score: 100 71 206.23.85.13.in-addr.arpa 2->71 75 Found malware configuration 2->75 77 Malicious sample detected (through community Yara rule) 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 8 other signatures 2->81 15 wscript.exe 1 2->15         started        18 DG-ERM-2024-RV-0350.scr.exe 6 2->18         started        signatures3 process4 file5 103 Windows Scripting host queries suspicious COM object (likely to drop second stage) 15->103 21 name.exe 2 15->21         started        65 C:\Users\user\AppData\Local\...\name.exe, PE32 18->65 dropped 67 C:\Users\user\AppData\Local\Temp\roundups, MIPSEL-BE 18->67 dropped 105 Binary is likely a compiled AutoIt script file 18->105 107 Found API chain indicative of sandbox detection 18->107 24 name.exe 3 18->24         started        signatures6 process7 file8 85 Binary is likely a compiled AutoIt script file 21->85 27 name.exe 2 21->27         started        69 C:\Users\user\AppData\Roaming\...\name.vbs, data 24->69 dropped 87 Multi AV Scanner detection for dropped file 24->87 89 Drops VBS files to the startup folder 24->89 91 Found API chain indicative of sandbox detection 24->91 30 name.exe 2 24->30         started        signatures9 process10 signatures11 99 Binary is likely a compiled AutoIt script file 27->99 32 name.exe 27->32         started        35 name.exe 2 30->35         started        process12 signatures13 73 Binary is likely a compiled AutoIt script file 32->73 37 name.exe 32->37         started        40 name.exe 2 35->40         started        process14 signatures15 93 Binary is likely a compiled AutoIt script file 37->93 42 name.exe 37->42         started        45 name.exe 2 40->45         started        process16 signatures17 97 Binary is likely a compiled AutoIt script file 42->97 47 name.exe 42->47         started        50 name.exe 2 45->50         started        process18 signatures19 109 Binary is likely a compiled AutoIt script file 47->109 52 name.exe 47->52         started        55 name.exe 2 50->55         started        process20 signatures21 83 Binary is likely a compiled AutoIt script file 52->83 57 name.exe 52->57         started        60 name.exe 2 55->60         started        process22 signatures23 95 Binary is likely a compiled AutoIt script file 57->95 62 name.exe 2 60->62         started        process24 signatures25 101 Binary is likely a compiled AutoIt script file 62->101
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-08-05 23:24:05 UTC
File Type:
PE (Exe)
Extracted files:
22
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qz5zrmzcbsuwyzmsbr35fgsy46wu2ncg3mkoym2ae7aeablx5h2a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1aee775c13151f0853c02dbd804ad25f1ea6b3c5db6312760d67af89e689845a
RemcosRAT
50eca9149b4ca5e7ae52720cf8827515a1be68e3d8df8606ad5a49ce0cce4b7f
RemcosRAT
6b4d0ff0d2bb85c989bd090151a64651f0520709840a0b646168166f5ad5f10a
RemcosRAT
baa1926f8f9eb46243f4591d418581fc422268a40aec9a83fccf7e3ee2f913af
RemcosRAT
ff0c2713415e355426261381aa3f3dcad5a913871e5bb6c1c48d5edea210fcfd
RemcosRAT
+ 2'749 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:wealth collection credential_access discovery rat spyware stealer upx
Link:
https://tria.ge/reports/240805-3c6eqasarj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
Program crash
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads user/profile data of web browsers
UPX packed file
Credentials from Password Stores: Credentials from Web Browsers
Detected Nirsoft tools
NirSoft MailPassView
NirSoft WebBrowserPassView
Remcos
Malware Config
C2 Extraction:
75.127.7.188:2404
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/e65abb6b-1da6-4530-a220-fdc2d798cdb6
Unpacked files
SH256 hash:
edbc02b42a4c14013bf015368e44f0736668738cfc8e2be7019861cc47a5170d
MD5 hash:
1f3dda042b47b2d5b7a7bc9ccc1e4c02
SHA1 hash:
ec290f69adbf87dc244d2277187770c76952a0d7
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/15747dc8-38fb-4a57-be50-0e5ec7efde03/
SH256 hash:
d4421ac675bed8b5cc547e64b734624ba9ad1513d380ef0595d0f3a19a5d85a7
MD5 hash:
32b491f995894e731ee080f515c7b2c2
SHA1 hash:
ab543c520073b29d609ccb73fc730ab4ab59394e
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
win_remcos_w0
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
Link:
https://www.unpac.me/results/15747dc8-38fb-4a57-be50-0e5ec7efde03/
SH256 hash:
867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4
MD5 hash:
3534f7d851b089d0e612f74461ff29da
SHA1 hash:
0fe2029510a7ef42cf3ba5bc655501d9027e0b0b
Link:
https://www.unpac.me/results/15747dc8-38fb-4a57-be50-0e5ec7efde03/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/867b98b3220c/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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_detect_tls_callbacks
Create hunting rule
Rule name:UPXV200V290MarkusOberhumerLaszloMolnarJohnReiser
Create hunting rule
Author:malware-lu
Rule name:upx_largefile
Create hunting rule
Author:k3nr9

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Malspam

RemcosRAT

Executable exe 867b98b3220ca96c65920c77d29a58e7ad4d3446db14ec334027c0400577e9f4

(this sample)

  
Delivery method
Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User AuthorizationADVAPI32.dll::GetAce
MULTIMEDIA_APICan Play MultimediaWINMM.dll::timeGetTime
WIN_BASE_APIUses Win Base APIKERNEL32.DLL::LoadLibraryA

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