MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e. 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 4 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e
SHA3-384 hash: 86fc7c2bc4d1ddf551478f951c8e1e99feddaf8a69a09caa5609bdcc8ebfdeee18269fdd8d00c4dfcdd1f1d3a7ee90c0
SHA1 hash: 7f1cc52fc9b0960e87c9fb1516684abea3ce5df4
MD5 hash: de4a857463e66073d33ea8182c74b26c
humanhash: july-black-california-single
File name:de4a857463e66073d33ea8182c74b26c
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:480'768 bytes
First seen:2022-08-23 11:59:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 5d354883fe6f15fcf48045037a99fb7a (118 x RemcosRAT)
ssdeep 12288:Omnk7iLJbpIpiRL6I2WhSKQ9ZsfZQSUn9:2iLJbpI7I2WhQqZ7U9
TLSH T1DDA4AE02BAD2C072D57161344D2AE735DABDBC212835997BB3E61D5BFD30180A73A7B2
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4505/5/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon c4d48eaa8ad4d4f8 (1'000 x RemcosRAT, 1 x Worm.Ramnit, 1 x Vjw0rm)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
264
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
de4a857463e66073d33ea8182c74b26c
Verdict:
Malicious activity
Analysis date:
2022-08-23 12:11:24 UTC
Tags:
keylogger stealer remcos opendir loader trojan rat netwire
Link:
https://app.any.run/tasks/ee7b6d71-9013-4a34-b533-370304609524

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/300505/
Detection(s):
Win.Trojan.Remcos-9841897-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Сreating synchronization primitives
Setting a keyboard event handler
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Stealing user critical data
Unauthorized injection to a recently created process by context flags manipulation
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/29777/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd.exe eventvwr.exe fingerprint greyware keylogger rat shell32.dll
Link:
https://www.filescan.io/uploads/6304c1cb393b1c8c470879e4/reports/567904fe-e3fc-4649-8f0e-79a74c4dee29/overview
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/8e5f64c5-a615-4477-a0fa-7ac0ac9287ca
Result
Threat name:
NetWire, Remcos
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1056211
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
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)
Found evasive API chain (may stop execution after checking mutex)
Injects a PE file into a foreign processes
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 submitted file
Sample uses process hollowing technique
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)
Writes to foreign memory regions
Yara detected Generic Downloader
Yara detected NetWire RAT
Yara detected Remcos RAT
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 688730 Sample: SYyTMyIaJe Startdate: 23/08/2022 Architecture: WINDOWS Score: 100 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 Antivirus / Scanner detection for submitted sample 2->48 50 7 other signatures 2->50 9 SYyTMyIaJe.exe 3 18 2->9         started        process3 dnsIp4 40 184.75.221.195, 22614, 49748, 49749 AMANAHA-NEWCA Canada 9->40 42 geoplugin.net 178.237.33.50, 49755, 80 ATOM86-ASATOM86NL Netherlands 9->42 36 C:\ProgramData\dwn.exe, PE32 9->36 dropped 52 Detected unpacking (changes PE section rights) 9->52 54 Tries to harvest and steal browser information (history, passwords, etc) 9->54 56 Writes to foreign memory regions 9->56 58 3 other signatures 9->58 14 svchost.exe 9->14         started        17 dwn.exe 15 5 9->17         started        21 SYyTMyIaJe.exe 1 9->21         started        23 3 other processes 9->23 file5 signatures6 process7 dnsIp8 60 Found evasive API chain (may stop execution after checking mutex) 14->60 62 Contains functionalty to change the wallpaper 14->62 64 Contains functionality to steal Chrome passwords or cookies 14->64 74 2 other signatures 14->74 38 37.139.129.142 LVLT-10753US Germany 17->38 32 C:\Users\...\InternalApplicationIdentit.dll, PE32 17->32 dropped 66 Injects a PE file into a foreign processes 17->66 25 dwn.exe 3 17->25         started        68 Tries to steal Instant Messenger accounts or passwords 21->68 70 Tries to steal Mail credentials (via file / registry access) 21->70 72 Tries to harvest and steal browser information (history, passwords, etc) 23->72 file9 signatures10 process11 file12 34 C:\Users\user\AppData\Roaming\...\Host.exe, PE32 25->34 dropped 28 Host.exe 2 25->28         started        process13 process14 30 WerFault.exe 23 9 28->30         started       
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-08-22 15:36:00 UTC
File Type:
PE (Exe)
Extracted files:
8
AV detection:
22 of 26 (84.62%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=d24f5xqa7ae3udzk5hvgjr4gcvyf64yu6mmtjcdyjhda7bvwkbpa._file
Verdict:
malicious
Label(s):
netwirerc
Create hunting rule
remcos
Create hunting rule
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:svchost collection rat spyware stealer
Link:
https://tria.ge/reports/220823-n6b1mshbh8/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Loads dropped DLL
Reads user/profile data of web browsers
Executes dropped EXE
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
184.75.221.195:22614
securewebareaxxx.ddns.net:22614
Unpacked files
SH256 hash:
1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e
MD5 hash:
de4a857463e66073d33ea8182c74b26c
SHA1 hash:
7f1cc52fc9b0960e87c9fb1516684abea3ce5df4
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/1affeada-f599-473d-9522-460d6341a3d0/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/1eb85ede00f8/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
KeyBase
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e

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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
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.

Web download

RemcosRAT

Executable exe 1eb85ede00f809ba0f2ae9ea64c78615705f7314f31934887849c60f86b6505e

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2275926/
  
URLhaus
https://urlhaus.abuse.ch/url/2275956/
  
URLhaus
https://urlhaus.abuse.ch/url/2276008/
Cape
Cape
https://www.capesandbox.com/analysis/300505/

Comments


Avatar
zbet commented on 2022-08-23 11:59:32 UTC

url : hxxp://37.139.129.142/htdocs/ZtSXJqHnCyWGFjT.exe