MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4
SHA3-384 hash: beaa382b26b50ceebf6e262dad3a34af57453c1403a25f3fe9ccf09f52edc80f35c438079d9d3e0c31934bbe1b19aadc
SHA1 hash: 21f14e8533a1143001c0bc1a842cb4f9f4c69a8a
MD5 hash: ed7fa6ec8aa0602b18ac40bf6abff7e6
humanhash: violet-illinois-jersey-cold
File name:ed7fa6ec8aa0602b18ac40bf6abff7e6.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'844'032 bytes
First seen:2022-10-05 11:00:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'650 x AgentTesla, 19'462 x Formbook, 12'203 x SnakeKeylogger)
ssdeep 12288:Lnjo5JZCGepoAgPBEudDgeOYnWZQzjFeM6DJOjB9sTTHyOx+mRfGrwmMeOS34MIy:6ZL0QpfnYQb6VOUROrwE
Threatray 2'247 similar samples on MalwareBazaar
TLSH T143856CF4A0AB04D1F8075EF429387EEA46317DF3CDD90920237DBA449FB79795A0894A
TrID 72.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.4% (.EXE) Win64 Executable (generic) (10523/12/4)
6.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.4% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon ccb2e8ccdcc8f0b2 (1 x RemcosRAT, 1 x Formbook)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
260
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/316860/
Detection(s):
SecuriteInfo.com.PUA.EmbeddedEXE-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
DNS request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Creating a file in the %AppData% subdirectories
Creating a file
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
overlay packed vbc.exe
Link:
https://www.filescan.io/uploads/633d63ee0d3d21420cca94c4/reports/9d394dfe-059f-4d73-b752-afdffc5861fa/overview
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7f371045-8757-4416-ab69-192b68525674
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1084089
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
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 dropped file
Multi AV Scanner detection for submitted file
Writes to foreign memory regions
Yara detected Costura Assembly Loader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 716651 Sample: RQyFjhKHXD.exe Startdate: 05/10/2022 Architecture: WINDOWS Score: 100 51 Malicious sample detected (through community Yara rule) 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 Yara detected Remcos RAT 2->55 57 5 other signatures 2->57 7 RQyFjhKHXD.exe 1 5 2->7         started        11 Kbvypcxq.exe 2 2->11         started        13 Kbvypcxq.exe 1 2->13         started        process3 file4 39 C:\Users\user\AppData\...\Kbvypcxq.exe, PE32 7->39 dropped 41 C:\Users\...\Kbvypcxq.exe:Zone.Identifier, ASCII 7->41 dropped 43 C:\Users\user\AppData\...\RQyFjhKHXD.exe.log, ASCII 7->43 dropped 59 Encrypted powershell cmdline option found 7->59 61 Writes to foreign memory regions 7->61 63 Allocates memory in foreign processes 7->63 15 InstallUtil.exe 2 17 7->15         started        19 powershell.exe 16 7->19         started        21 InstallUtil.exe 7->21         started        31 2 other processes 7->31 65 Multi AV Scanner detection for dropped file 11->65 67 Machine Learning detection for dropped file 11->67 69 Injects a PE file into a foreign processes 11->69 23 powershell.exe 13 11->23         started        25 InstallUtil.exe 11->25         started        27 powershell.exe 11 13->27         started        29 InstallUtil.exe 13->29         started        signatures5 process6 dnsIp7 45 mam.mastercoa.co 192.30.89.27, 37824, 49720 CLOUDSINGULARITYCA Canada 15->45 47 geoplugin.net 178.237.33.50, 49721, 80 ATOM86-ASATOM86NL Netherlands 15->47 49 Installs a global keyboard hook 15->49 33 conhost.exe 19->33         started        35 conhost.exe 23->35         started        37 conhost.exe 27->37         started        signatures8 process9
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4/
Threat name:
Win32.Trojan.Remcos
Create hunting rule
Status:
Malicious
First seen:
2022-10-05 06:25:22 UTC
File Type:
PE (.Net Exe)
Extracted files:
3
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gqpc2ukzk6cdhokqtkyvygzkzvjbmksrkmoyzfdiskdkshxlzxca._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
2f53875cb56cc1a1f69655fcfca71ac0f952b8d582bda33e101d8b262e38d0f9
RemcosRAT
31edb5c9a0590d100f941cfcb0c142abf141fba4a90c6bddb6c7fc59b4475f28
RemcosRAT
4bd1f385e71c2b0c8bb27ce271cfd26c696e3049e3e92cd150ba62666bc6221f
RemcosRAT
592f15fec50eda79baadcb6bc5c4cb79de60e5bb285f20fb8e8927477495f065
RemcosRAT
7f89f38c1c2a3e42e7fe2d1c286816361fe77aa49d1d474de200df6eb2dbda81
RemcosRAT
7fe73c463ac777aa61709aa357a27b09d8faae7833219399c3a92c6f692c11f4
RemcosRAT
9432004daa7e7748848e802b7a769efe47f147d54fcad12471d03d261c3bc5c0
RemcosRAT
9d724226a2a3c8676d4a58b64b636d9dcc178c1d40fcf321309afa14505cf285
RemcosRAT
e1eb708f47303b831f6eb0ddc846e21782e8f727dcb0088fcb997c3bf0d4dbd3
RemcosRAT
+ 2'237 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/221005-m4jf9sechn/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
mam.mastercoa.co:37824
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/0401cb2e-1dab-45ed-b2f0-63cd467ebd56
Unpacked files
SH256 hash:
35ae4f25207a9ef50ae5dc469be4bf5bddb6c46f6a28766b0c2d3b99a0734ef8
MD5 hash:
23f77d03e4422fe0f43bd92659ee32a2
SHA1 hash:
f2b23728dcdcd5015ffc663286490b3c60fe791a
Link:
https://www.unpac.me/results/48d3ba52-abd6-4366-9eda-8d6e5a8eac0a/
SH256 hash:
29aa230a93cd1d00d67c6e094861c35b34010fd9b24f7ab8b31407f0b862c0be
MD5 hash:
cfdbcd2ff6d873e64adfe949198e7cd3
SHA1 hash:
813dfa655962dd80e877003e776e33d2f6f5f7ad
Link:
https://www.unpac.me/results/48d3ba52-abd6-4366-9eda-8d6e5a8eac0a/
SH256 hash:
65fdbe90885861db4308a91fb03362fe3f31a18280ffdf33e1d486b010c3171d
MD5 hash:
4bb2d50a3178b8836d13c8392be19f07
SHA1 hash:
7011abb83690fb9cd9fbb74f675f22c5b1565f50
Link:
https://www.unpac.me/results/48d3ba52-abd6-4366-9eda-8d6e5a8eac0a/
SH256 hash:
341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4
MD5 hash:
ed7fa6ec8aa0602b18ac40bf6abff7e6
SHA1 hash:
21f14e8533a1143001c0bc1a842cb4f9f4c69a8a
Link:
https://www.unpac.me/results/48d3ba52-abd6-4366-9eda-8d6e5a8eac0a/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/341e2d515957/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4

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:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
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 341e2d5159578433b9509ab15c1b2acd52162a51531d8c94689286a91eebcdc4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2350843/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/316860/

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