MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dd5107d7cc5b86ef5a650ea6e01b662066c34072859272fa886379e304e7df43. 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: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: dd5107d7cc5b86ef5a650ea6e01b662066c34072859272fa886379e304e7df43
SHA3-384 hash: e0b4c12aacfa3d81165afc00f607c8dc873871d46f75b604d12585fc98cb164d7116aa4cc777d4ebf49881a2c8e59906
SHA1 hash: 79f6616b9fba88c18b0d435fae691c8c98a4f1cf
MD5 hash: e3371e0d650405ac74532bc9a0dc8cf4
humanhash: ohio-colorado-arizona-autumn
File name:e3371e0d650405ac74532bc9a0dc8cf4.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:700'416 bytes
First seen:2021-07-13 13:36:44 UTC
Last seen:2021-07-13 14:48:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'461 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 12288:+51DrQ47uELrXJy2Mda/Rb/kOhCQBMNqjASyw9geYdrj7nRmFjQrS32ONH1Em+KY:+51DE1yr5y2Mda/BkOhCQBMNq0Bdrj7Q
Threatray 1'365 similar samples on MalwareBazaar
TLSH T13AE41321E1A78D2ED06ACE71230F0A50115F52DBA64F5B63358C0ABE5B13FC71D876EA
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
147
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e3371e0d650405ac74532bc9a0dc8cf4.exe
Verdict:
Malicious activity
Analysis date:
2021-07-13 14:01:11 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/0393bb9a-1405-4201-ab43-a77f07777deb

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/171451/
Detection(s):
SecuriteInfo.com.Trojan.Win32.Wacatac.Bml.13201.415.UNOFFICIAL
Create hunting rule

Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Gathering data
Result
Threat name:
Remcos AveMaria
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/815593
Signature
Allocates memory in foreign processes
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to hide user accounts
Contains functionality to inject threads in other processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal e-mail passwords
Creates a thread in another existing process (thread injection)
Creates an undocumented autostart registry key
Detected Remcos RAT
Detected unpacking (creates a PE file in dynamic memory)
Drops PE files with benign system names
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Increases the number of concurrent connection per server for Internet Explorer
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Uses ping.exe to check the status of other devices and networks
Uses ping.exe to sleep
Writes to foreign memory regions
Yara detected AveMaria stealer
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 448013 Sample: O2LU8dMSba.exe Startdate: 13/07/2021 Architecture: WINDOWS Score: 100 91 Multi AV Scanner detection for domain / URL 2->91 93 Found malware configuration 2->93 95 Malicious sample detected (through community Yara rule) 2->95 97 16 other signatures 2->97 11 O2LU8dMSba.exe 5 2->11         started        15 explorer.exe 2->15         started        17 explorer.exe 2->17         started        19 explorer.exe 2->19         started        process3 file4 71 C:\Users\user\AppData\...\O2LU8dMSba.exe, PE32 11->71 dropped 73 C:\Users\...\O2LU8dMSba.exe:Zone.Identifier, ASCII 11->73 dropped 75 C:\Users\user\AppData\...\O2LU8dMSba.exe.log, ASCII 11->75 dropped 137 Writes to foreign memory regions 11->137 139 Injects a PE file into a foreign processes 11->139 21 O2LU8dMSba.exe 4 5 11->21         started        25 O2LU8dMSba.exe 11->25         started        signatures5 process6 file7 65 C:\ProgramData\svchost.exe, PE32 21->65 dropped 67 C:\ProgramData\svchost.exe:Zone.Identifier, ASCII 21->67 dropped 109 Increases the number of concurrent connection per server for Internet Explorer 21->109 111 Hides that the sample has been downloaded from the Internet (zone.identifier) 21->111 27 svchost.exe 4 21->27         started        31 cmd.exe 1 21->31         started        113 Multi AV Scanner detection for dropped file 25->113 115 Machine Learning detection for dropped file 25->115 117 Contains functionality to inject threads in other processes 25->117 119 3 other signatures 25->119 signatures8 process9 file10 77 C:\Users\user\AppData\Local\...\svchost.exe, PE32 27->77 dropped 141 Multi AV Scanner detection for dropped file 27->141 143 Machine Learning detection for dropped file 27->143 145 Writes to foreign memory regions 27->145 151 2 other signatures 27->151 33 svchost.exe 22 27->33         started        147 Uses ping.exe to sleep 31->147 149 Uses ping.exe to check the status of other devices and networks 31->149 38 reg.exe 1 1 31->38         started        40 conhost.exe 31->40         started        signatures11 process12 dnsIp13 79 hgoz.12v.si 33->79 81 byx.z86.ru 33->81 83 byx.z86.ru 37.0.11.114, 2404, 49724, 49727 WKD-ASIE Netherlands 33->83 61 C:\Users\user\AppData\Roaming\.nfadrq.A.exe, PE32 33->61 dropped 63 C:\Users\user\AppData\Local\...\rem[1].exe, PE32 33->63 dropped 99 System process connects to network (likely due to code injection or exploit) 33->99 101 Multi AV Scanner detection for dropped file 33->101 103 Detected unpacking (creates a PE file in dynamic memory) 33->103 107 6 other signatures 33->107 42 .nfadrq.A.exe 2 4 33->42         started        46 cmd.exe 1 33->46         started        105 Creates an undocumented autostart registry key 38->105 file14 signatures15 process16 file17 69 C:\Users\user\AppData\...\explorer.exe, PE32 42->69 dropped 129 Antivirus detection for dropped file 42->129 131 Multi AV Scanner detection for dropped file 42->131 133 Machine Learning detection for dropped file 42->133 135 Drops PE files with benign system names 42->135 48 cmd.exe 1 42->48         started        51 conhost.exe 46->51         started        signatures18 process19 signatures20 89 Uses ping.exe to sleep 48->89 53 explorer.exe 2 48->53         started        57 PING.EXE 1 48->57         started        59 conhost.exe 48->59         started        process21 dnsIp22 85 dpqw-avira.bot.nu 53->85 121 Antivirus detection for dropped file 53->121 123 System process connects to network (likely due to code injection or exploit) 53->123 125 Multi AV Scanner detection for dropped file 53->125 127 Machine Learning detection for dropped file 53->127 87 127.0.0.1 unknown unknown 57->87 signatures23
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/dd5107d7cc5b86ef5a650ea6e01b662066c34072859272fa886379e304e7df43/
Threat name:
ByteCode-MSIL.Downloader.Seraph
Create hunting rule
Status:
Malicious
First seen:
2021-07-13 13:22:16 UTC
File Type:
PE (.Net Exe)
Extracted files:
117
AV detection:
13 of 29 (44.83%)
Threat level:
  3/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3viqpv6mlodo6wtfb2toag3gebtmgqdsqwjhf6uimn46gbhh35bq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
avemaria
Create hunting rule
Similar samples:
04cde0c2284cc4dc8f8a5aeadafca6819ab9d11dfb76fb7f3a2fbbf91d3c0e5d
RemcosRAT
1967e0a5da88244c0b9ce1c35f7df573c1004947ea5b39f94cd45176ea940894
RemcosRAT
27c7c159ac96bd76fc993fd76e2ee88106631af414a235a2a1aae1e31100af99
RemcosRAT
5ba2e4021682f2700ca05c93eb32efb3c93d7bebd816842bdcca6cc768771cbe
RemcosRAT
6a0075d93fec0997f74906d3843bdaa763ec60b88bb4ea17f19c210c411598a9
RemcosRAT
6c19d7e749c5fb3b7dee5906be8a944b52352ccaf7fc4970caf58769988874f6
RemcosRAT
890407f2497d9d1d7fbe7f5f823438821b458cf8f5e62eb7f0e3220c342cd68b
RemcosRAT
8ad1ee75b0e6ad7140aed361cc0000ff540f01fc4e63591a64ccbeedc31dcaa8
RemcosRAT
a58cf7753cdff434e81e0163ec97f8e1a8b32c80ddfa7cbf021778a759f78842
RemcosRAT
c877097a2a3852b34c2ee4b0c7b2f5c7a3dc5313570e0680e04adea7e44201ef
RemcosRAT
+ 1'355 additional samples on MalwareBazaar
Result
Malware family:
warzonerat
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:warzonerat botnet:host infostealer persistence rat spyware stealer
Link:
https://tria.ge/reports/210713-7er1vj2vse/
Behaviour
Runs ping.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Reads user/profile data of web browsers
Downloads MZ/PE file
Executes dropped EXE
Remcos
Suspicious use of NtCreateProcessExOtherParentProcess
WarzoneRat, AveMaria
Malware Config
C2 Extraction:
byx.z86.ru:5200
dpqw-avira.bot.nu:2404
Unpacked files
SH256 hash:
477cab8d4385172d679200edc6619462de2402d912f21f36981fc058987a6d52
MD5 hash:
16a9ddc4b32981114fe4f069a4353105
SHA1 hash:
bf73849f57c150f9e2199c61427f631be2dfa595
Link:
https://www.unpac.me/results/f0818adf-70d7-4a00-b8e5-4489eb393015/
SH256 hash:
54034feb1c57dba59bd5fc9fffdbdc3333563f3d0f898de680d9464377ff9885
MD5 hash:
1ae11de5639c5e76dea84bec2dc13c98
SHA1 hash:
a3b1b48afd94b199f59cde21efb4890f90d00eb2
Link:
https://www.unpac.me/results/f0818adf-70d7-4a00-b8e5-4489eb393015/
SH256 hash:
bc20e5878e3f79142486184e61d064ef20d05ce79c62a31157d71534a7f7d113
MD5 hash:
2c8c842b83337044d84ec1217bec9fcc
SHA1 hash:
85477d78288a923b0a0e7167c01d6fda2b21c3ec
Link:
https://www.unpac.me/results/f0818adf-70d7-4a00-b8e5-4489eb393015/
SH256 hash:
34917244bbd8100da730fd3c0108edb5c4a7d1eeb5b5494695d7dd38f56277a9
MD5 hash:
1843dfe2d5ad16ee8e4e15cef58d0a4c
SHA1 hash:
5401ff2834031d08c2e50f7bae422234ba340c07
Detections:
win_ave_maria_g0
Create hunting rule
win_ave_maria_auto
Create hunting rule
Link:
https://www.unpac.me/results/f0818adf-70d7-4a00-b8e5-4489eb393015/
Parent samples :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 hash:
f71d97c3d42af0eb4cc74e640a995eb0f288bab59b7be5cd89eccb21cd304f36
MD5 hash:
6c72218c48cd68cbcb654675053a0abb
SHA1 hash:
12207fa32070f99683648d87b44410e5d3cdf2de
Link:
https://www.unpac.me/results/f0818adf-70d7-4a00-b8e5-4489eb393015/
SH256 hash:
dd5107d7cc5b86ef5a650ea6e01b662066c34072859272fa886379e304e7df43
MD5 hash:
e3371e0d650405ac74532bc9a0dc8cf4
SHA1 hash:
79f6616b9fba88c18b0d435fae691c8c98a4f1cf
Link:
https://www.unpac.me/results/f0818adf-70d7-4a00-b8e5-4489eb393015/
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/dd5107d7cc5b86ef5a650ea6e01b662066c34072859272fa886379e304e7df43

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:buerloader_halo_generated
Create hunting rule
Author:Halogen Generated Rule, Corsin Camichel
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash

File information

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

Web download

RemcosRAT

Executable exe dd5107d7cc5b86ef5a650ea6e01b662066c34072859272fa886379e304e7df43

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/1430903/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/1435773/
  
URLhaus
https://urlhaus.abuse.ch/url/1442252/
  
URLhaus
https://urlhaus.abuse.ch/url/1431625/
Cape
Cape
https://www.capesandbox.com/analysis/171451/

Comments