MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
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SHA256 hash: c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f
SHA3-384 hash: 72f64baac3c0c2f671d50e3f785259b66571dc160bb3c1a6206c4557c8d08ed49b40f6995c5362d61f0d24a44c8283e7
SHA1 hash: 43d6e37f2edd8c710e0c1b437f5a88c9b007b279
MD5 hash: 4035b319a633da95a6dcd5d9c4ea974b
humanhash: iowa-romeo-king-ink
File name:FDS00978900008789.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'452'032 bytes
First seen:2024-01-18 08:54:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 948cc502fe9226992dce9417f952fce3 (1'182 x CredentialFlusher, 446 x Formbook, 231 x AgentTesla)
ssdeep 24576:AqDEvCTbMWu7rQYlBQcBiT6rprG8axmbWwSrHEaaGsiM1XXLBWI:ATvC/MTQYxsWR7axmbGrH1arXt
Threatray 1'941 similar samples on MalwareBazaar
TLSH T15665D002B7918072FFAB92370F57F612167EA9264123A91F139C2979FE70271067E763
TrID 68.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
12.5% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
5.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.4% (.EXE) OS/2 Executable (generic) (2029/13)
dhash icon c8ccccc0c0d0f074 (9 x Formbook, 2 x BitRAT, 1 x NanoCore)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
333
Origin country :
HU HU
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/471453/
Detection(s):
SecuriteInfo.com.Trojan.Generic.33203615.28472.17882.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
autoit bladabindi control darkkomet greyware keylogger lolbin packed remcos shell32 threat
Link:
https://www.filescan.io/uploads/65a8e77299da41ccd7d71412/reports/52e11626-1dcc-41fc-91a5-af701fd7c0e5/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f
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:
LockBit Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e4c10be3-6baa-4dcb-b0a3-706eea894f0b
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1376600
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
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
Creates autostart registry keys with suspicious names
Delayed program exit found
Drops VBS files to the startup folder
Found API chain indicative of sandbox detection
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 submitted file
Sigma detected: Drops script at startup location
Sigma detected: Remcos
Snort IDS alert for network traffic
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
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: 1376600 Sample: FDS00978900008789.exe Startdate: 18/01/2024 Architecture: WINDOWS Score: 100 50 geoplugin.net 2->50 60 Snort IDS alert for network traffic 2->60 62 Multi AV Scanner detection for domain / URL 2->62 64 Found malware configuration 2->64 66 19 other signatures 2->66 10 FDS00978900008789.exe 6 2->10         started        14 remcos.exe 2 2->14         started        16 wscript.exe 1 2->16         started        18 2 other processes 2->18 signatures3 process4 file5 48 C:\Users\user\AppData\Local\...\misruling.exe, PE32 10->48 dropped 76 Binary is likely a compiled AutoIt script file 10->76 78 Found API chain indicative of sandbox detection 10->78 20 misruling.exe 2 6 10->20         started        24 remcos.exe 2 14->24         started        80 Windows Scripting host queries suspicious COM object (likely to drop second stage) 16->80 26 misruling.exe 2 16->26         started        signatures6 process7 file8 44 C:\ProgramData\Remcos\remcos.exe, PE32 20->44 dropped 46 C:\Users\user\AppData\...\misruling.vbs, data 20->46 dropped 68 Antivirus detection for dropped file 20->68 70 Contains functionality to bypass UAC (CMSTPLUA) 20->70 72 Binary is likely a compiled AutoIt script file 20->72 74 9 other signatures 20->74 28 remcos.exe 2 3 20->28         started        signatures9 process10 signatures11 82 Antivirus detection for dropped file 28->82 84 Binary is likely a compiled AutoIt script file 28->84 86 Machine Learning detection for dropped file 28->86 88 2 other signatures 28->88 31 iexplore.exe 2 17 28->31         started        process12 dnsIp13 52 107.175.229.139, 49715, 49716, 8087 AS-COLOCROSSINGUS United States 31->52 54 geoplugin.net 178.237.33.50, 49717, 49718, 80 ATOM86-ASATOM86NL Netherlands 31->54 42 C:\ProgramData\Remcos\logs.dat, Unknown 31->42 dropped 56 Binary is likely a compiled AutoIt script file 31->56 58 Maps a DLL or memory area into another process 31->58 36 iexplore.exe 2 31->36         started        38 iexplore.exe 1 31->38         started        40 iexplore.exe 1 31->40         started        file14 signatures15 process16
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2024-01-11 07:08:19 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=y7zzbtr5ailsjskk3rfmfgah6twpry6b5nnrpy5traejasstyapq._file
Verdict:
unknown
Similar samples:
1201bf878caa54aca39c6973c193210786509f098f5b9da23a03258cc278f5e3
RemcosRAT
1f351c6e17a289120d35fe4a1f0bbcdabd289d91fb249162fae7c50f3e3f4618
RemcosRAT
4b8896554332d025010afb7c2d634ae9ff5294433f534652aa1cf0cf2a0b1ac1
RemcosRAT
54375a390c52d783d96492938d05920567a0232c2c22436161e83f21745b7711
RemcosRAT
b9f69c03f5d2f0190f98375d442160b4bf00071f5f4845a1152299c0430f8744
RemcosRAT
c70ba8369d587d514b1b6a783708af9fd8b9f3fd08f4db7dd21d1e81f2136516
RemcosRAT
fc68214ae21bb693cb4dd555bc8eb14fec2d9086da96edbcf8e13bf825c41bce
RemcosRAT
+ 1'931 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:pc persistence rat
Link:
https://tria.ge/reports/240118-kvf9faghc4/
Behaviour
Modifies Internet Explorer settings
Suspicious behavior: MapViewOfSection
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
AutoIT Executable
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
107.175.229.139:8087
Unpacked files
SH256 hash:
95dfdb588c7018babd55642c48f6bed1c281cecccbd522dd40b8bea663686f30
MD5 hash:
8d3c6a404a9b6526d082de3e0370e10e
SHA1 hash:
bef3f3c4d9b076a60bdb047f5b8439662691b1d3
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/d6134b43-3d51-4f82-99ff-8123bf534916/
Parent samples :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 hash:
c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f
MD5 hash:
4035b319a633da95a6dcd5d9c4ea974b
SHA1 hash:
43d6e37f2edd8c710e0c1b437f5a88c9b007b279
Detections:
AutoIT_Compiled
Create hunting rule
Link:
https://www.unpac.me/results/d6134b43-3d51-4f82-99ff-8123bf534916/
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/c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious.
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)

File information

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

Malspam

RemcosRAT

Executable exe c7f390ce3d021724c94adc4ac29807f4ecf8e3c1eb5b17e3b38808904a53c01f

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/471453/

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