MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5
SHA3-384 hash: 66d7284c0cc4a8358f49d1e29db6cf05ce7a5781b417056840c5463bd43583a0b3237b9ebadd93a8080e5617373cda54
SHA1 hash: 53f5eee1f770d79666d7421823f29ee21d8cba3e
MD5 hash: 2a2526a15732cd1f3f8859fe3f504cb9
humanhash: lake-bluebird-victor-twelve
File name:SALKI098765R400.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'055'744 bytes
First seen:2024-08-30 07:15:24 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 21371b611d91188d602926b15db6bd48 (61 x Formbook, 23 x AgentTesla, 20 x RemcosRAT)
ssdeep 24576:4iUmSB/o5d1ubcvqqJGyUyTlUJS0Xtw5amFnRn2cdB:4/mU/ohubcvqq8oUJS7agd
TLSH T1EE25CFF1317DD393E1A18EB11FDA86B0B9F176ACD8D0160D60F59B2E93E2350149C9EA
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)
Magika pebin
File icon (PE):PE icon
dhash icon d4a6a494a48484a4 (65 x AgentTesla, 39 x Formbook, 8 x RemcosRAT)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
471
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SALKI098765R400.exe
Verdict:
Suspicious activity
Analysis date:
2024-08-30 07:18:31 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/9cb737c4-441b-4481-bf8f-6e8213ac3d1c

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.InjectNET.50.UNOFFICIAL
Create hunting rule

Win.Packed.Msilheracles-10034634-0
Create hunting rule

SecuriteInfo.com.Trojan.Win32.AgentTesla.13683.23123.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66d171b7f1a57bfb70915e7d
Tags:
Generic Stealth Trojan Inject
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
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
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Reading critical registry keys
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
autoit lolbin microsoft_visual_cc overlay packed packed packed shell32 upx
Link:
https://www.filescan.io/uploads/66d171bab854095a010c7206/reports/9e7343ac-3c4c-443c-9855-f2e4735f1cbd/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5
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:
Malicious
Link:
https://analyze.intezer.com/analyses/c826ffe5-41ab-4d74-a14e-66af1c56aadc
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1501651
Signature
AI detected suspicious sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to register a low level keyboard hook
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 Remcos RAT
Drops VBS files to the startup folder
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Sigma detected: WScript or CScript Dropper
Suricata IDS alerts for network traffic
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 / registry access)
Tries to steal Mail credentials (via file registry)
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1501651 Sample: SALKI098765R400.exe Startdate: 30/08/2024 Architecture: WINDOWS Score: 100 38 171.39.242.20.in-addr.arpa 2->38 40 geoplugin.net 2->40 56 Multi AV Scanner detection for domain / URL 2->56 58 Suricata IDS alerts for network traffic 2->58 60 Found malware configuration 2->60 62 12 other signatures 2->62 8 SALKI098765R400.exe 6 2->8         started        12 wscript.exe 1 2->12         started        signatures3 process4 file5 32 C:\Users\user\AppData\...\Monteverdi.exe, PE32 8->32 dropped 74 Binary is likely a compiled AutoIt script file 8->74 14 Monteverdi.exe 3 19 8->14         started        76 Windows Scripting host queries suspicious COM object (likely to drop second stage) 12->76 19 Monteverdi.exe 2 12->19         started        signatures6 process7 dnsIp8 42 192.210.150.26, 49699, 49700, 8787 AS-COLOCROSSINGUS United States 14->42 44 geoplugin.net 178.237.33.50, 49701, 80 ATOM86-ASATOM86NL Netherlands 14->44 34 C:\Users\user\AppData\...\Monteverdi.vbs, data 14->34 dropped 36 C:\ProgramData\remcos\logs.dat, data 14->36 dropped 46 Multi AV Scanner detection for dropped file 14->46 48 Contains functionality to bypass UAC (CMSTPLUA) 14->48 50 Detected Remcos RAT 14->50 54 10 other signatures 14->54 21 Monteverdi.exe 1 14->21         started        24 Monteverdi.exe 1 14->24         started        26 Monteverdi.exe 2 14->26         started        28 Monteverdi.exe 14->28         started        52 Binary is likely a compiled AutoIt script file 19->52 30 Monteverdi.exe 2 19->30         started        file9 signatures10 process11 signatures12 64 Tries to steal Instant Messenger accounts or passwords 21->64 66 Tries to harvest and steal browser information (history, passwords, etc) 21->66 68 Tries to steal Mail credentials (via file / registry access) 24->68 70 Detected Remcos RAT 30->70 72 Binary is likely a compiled AutoIt script file 30->72
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5/
Threat name:
Win32.Trojan.AutoitInject
Create hunting rule
Status:
Malicious
First seen:
2024-08-30 06:26:12 UTC
File Type:
PE (Exe)
Extracted files:
54
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ibrqn35sokwnhru2woy4d6w6ulcbx6axzzy6lbzln72cmjeca7kq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost collection credential_access discovery rat spyware stealer upx
Link:
https://tria.ge/reports/240830-h3thmasbjg/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
AutoIT Executable
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Drops startup file
Executes dropped EXE
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:
192.210.150.26:8787
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/c70a9207-6c02-4cdc-86dc-bc25edcf7b25
Unpacked files
SH256 hash:
05e6169bab608d4e7c70100536d136196cf04d7f08eecc2fa3deeaf689d56f76
MD5 hash:
4757d0183b97fae8b472fc87b69f1122
SHA1 hash:
30722934686fa3d5330efe60fd1fc6b9fce34148
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/932dde4a-aec5-425b-ac8e-eae045da5d8e/
Parent samples :
406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5
05e6169bab608d4e7c70100536d136196cf04d7f08eecc2fa3deeaf689d56f76
SH256 hash:
44f2c8147cfff1ed6b6b714a3c2d621aa5fca678a7b7a9bfb3420428a4371c26
MD5 hash:
ea2e91e101ea089e93185c5631d82a9c
SHA1 hash:
f09142d67bf0332b01b15c8f85bb699a22b11eb4
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/932dde4a-aec5-425b-ac8e-eae045da5d8e/
Parent samples :
406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5
05e6169bab608d4e7c70100536d136196cf04d7f08eecc2fa3deeaf689d56f76
b8022e8002a8e01a6364fdcc6d53275b6edf3d196e36f0b4c9645de2570cfd48
094ca29b78b7698bb8be3e85576bf943e5612d3c21c99c72fb058d1f912f68df
SH256 hash:
406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5
MD5 hash:
2a2526a15732cd1f3f8859fe3f504cb9
SHA1 hash:
53f5eee1f770d79666d7421823f29ee21d8cba3e
Link:
https://www.unpac.me/results/932dde4a-aec5-425b-ac8e-eae045da5d8e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/406306efb272/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.81
Link:
https://yomi.yoroi.company/submissions/406306efb272acd3c69ab3b1c1fadea2c41bf817ce71e5872b6ff426248207d5

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.

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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