MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5719740e2e46073095cfb08ed7c0d397a7e76dda4047749b7ea0cb4ab47150a5. 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: 9


Intelligence 9 IOCs YARA 8 File information Comments
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SHA256 hash: 5719740e2e46073095cfb08ed7c0d397a7e76dda4047749b7ea0cb4ab47150a5
SHA3-384 hash: 679f0f176ac61e22691cac933e3a969afc6a452a3a25efa097921a10ed2b691249f6a350267ee27860fffb30066640e1
SHA1 hash: d90421b88cf1baf1c1a55ba71a81a886eede26a3
MD5 hash: ed7e552c7241ef049dad13295b13321f
humanhash: johnny-earth-carbon-kansas
File name:FedEx Shipment 427781339903.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:114'520 bytes
First seen:2021-03-18 11:45:13 UTC
Last seen:2021-03-18 13:47:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 1536:nFVCx2eZqDP1z/iJo4W4knTUGzVxCsDJIueVES:nF8x2eZqDPZp
Threatray 140 similar samples on MalwareBazaar
TLSH 34B3534D834C7867B34336BB8A8CF8BE8B9CD56131C271E934D896F965D220A219DCF5
Reporter TeamDreier
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
157
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
FedEx Shipment 427781339903.exe
Verdict:
Malicious activity
Analysis date:
2021-03-18 11:51:06 UTC
Tags:
rat remcos keylogger
Link:
https://app.any.run/tasks/76b4ddd6-4d29-4173-ac30-77897d051e6e

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/125433/
Detection(s):
SecuriteInfo.com.ArtemisED7E552C7241.22519.6531.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Sending a custom TCP request
Creating a file
Moving a recently created file
Launching a process
Creating a process with a hidden window
Creating a process from a recently created file
Creating a window
Sending a UDP request
Running batch commands
Unauthorized injection to a recently created process
Adding an access-denied ACE
Creating a file in the %AppData% subdirectories
Setting a single autorun event
Setting a global event handler for the keyboard
Adding exclusions to Windows Defender
Result
Verdict:
SUSPICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/644247
Signature
Adds a directory exclusion to Windows Defender
Binary contains a suspicious time stamp
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Country aware sample found (crashes after keyboard check)
Delayed program exit found
Deletes itself after installation
Detected Remcos RAT
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
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: Remcos
System process connects to network (likely due to code injection or exploit)
Tries to delay execution (extensive OutputDebugStringW loop)
Uses dynamic DNS services
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 371086 Sample: FedEx Shipment 427781339903.exe Startdate: 18/03/2021 Architecture: WINDOWS Score: 100 47 jejendjcjfhh.com 2->47 59 Multi AV Scanner detection for domain / URL 2->59 61 Found malware configuration 2->61 63 Malicious sample detected (through community Yara rule) 2->63 65 17 other signatures 2->65 8 FedEx Shipment 427781339903.exe 18 11 2->8         started        13 svchost.exe 2->13         started        15 svchost.exe 2->15         started        17 6 other processes 2->17 signatures3 process4 dnsIp5 51 jejendjcjfhh.com 104.21.22.219, 443, 49719, 49721 CLOUDFLARENETUS United States 8->51 43 C:\Users\Public\Documents\...\svchost.exe, PE32 8->43 dropped 45 C:\Users\...\svchost.exe:Zone.Identifier, ASCII 8->45 dropped 67 Adds a directory exclusion to Windows Defender 8->67 69 Hides threads from debuggers 8->69 19 FedEx Shipment 427781339903.exe 8->19         started        22 cmd.exe 8->22         started        24 powershell.exe 21 8->24         started        28 3 other processes 8->28 53 172.67.207.35, 443, 49738, 49769 CLOUDFLARENETUS United States 13->53 55 192.168.2.1 unknown unknown 13->55 71 System process connects to network (likely due to code injection or exploit) 13->71 73 Multi AV Scanner detection for dropped file 13->73 75 Machine Learning detection for dropped file 13->75 57 127.0.0.1 unknown unknown 17->57 26 WerFault.exe 17->26         started        file6 signatures7 process8 dnsIp9 49 severdops.ddns.net 103.151.123.132, 49734, 49742, 49752 VNPT-AS-VNVIETNAMPOSTSANDTELECOMMUNICATIONSGROUPVN unknown 19->49 30 wscript.exe 19->30         started        33 conhost.exe 22->33         started        35 timeout.exe 22->35         started        37 conhost.exe 24->37         started        39 conhost.exe 28->39         started        41 conhost.exe 28->41         started        process10 signatures11 77 Deletes itself after installation 30->77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5719740e2e46073095cfb08ed7c0d397a7e76dda4047749b7ea0cb4ab47150a5/
Threat name:
ByteCode-MSIL.Trojan.Generic
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Status:
Suspicious
First seen:
2021-03-18 09:35:09 UTC
AV detection:
13 of 28 (46.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=k4mxidroiydtbfopwchnpqgts6t6o3o2ibdxjg36udfuvndrkcsq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
20913ef76e86c0e3222ad67afaadaa44912595513a32d08345dba6ec3de019c5
RemcosRAT
492823289d0cbc07c789546fda1d7bbee05327c29964f5738f70e82ae7c4f4ad
RemcosRAT
5932fcc4c5d01a0d7667dfe1e6d10dd8c540b2ac57623c8c4b99dfdcd43cd63e
RemcosRAT
5d20ab723dbc30184582ccec3877af8fbb8fc78f90d09fd680bf784325951ca3
RemcosRAT
88908ef35a39d6295a1b5775b08f2f44b3ccfad8bec6bf4e4a067428ed95262e
RemcosRAT
b0dad01939e09e869b27e59d7a7d7c79fdd31bb4a8c52153844c23c3c34bf368
RemcosRAT
c059548509d5ca453810776ad5bdea3440fb122b361211616d7300cc3b25fac0
RemcosRAT
d6bb7d0218b0894bcc733065261069c1cb4e151b4ca367f37e888d2beacc0dd9
RemcosRAT
ef6ac1293cdfda22c8d940f96c5433f406a4c3666e6941e4f094a8cf50d04ac1
RemcosRAT
ff8dd2511c1721a535a31eb7e8c4f813ba114a2ec963f4b85f8808fa99d47422
RemcosRAT
+ 130 additional samples on MalwareBazaar
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos evasion persistence rat trojan
Link:
https://tria.ge/reports/210318-m54fgae85j/
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Adds Run key to start application
Windows security modification
Remcos
Windows security bypass
Malware Config
C2 Extraction:
severdops.ddns.net:8002
Unpacked files
SH256 hash:
5719740e2e46073095cfb08ed7c0d397a7e76dda4047749b7ea0cb4ab47150a5
MD5 hash:
ed7e552c7241ef049dad13295b13321f
SHA1 hash:
d90421b88cf1baf1c1a55ba71a81a886eede26a3
Link:
https://www.unpac.me/results/833b432f-0dbe-4a3a-93d5-e1986dc53469/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.10
Link:
https://yomi.yoroi.company/submissions/5719740e2e46073095cfb08ed7c0d397a7e76dda4047749b7ea0cb4ab47150a5

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:ach_RemcosRAT
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Author:abuse.ch
Rule name:Chrome_stealer_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Chrome in files like avemaria
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFu
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
Rule name:Keylog_bin_mem
Create hunting rule
Author:James_inthe_box
Description:Contains Keylog
Rule name:Parallax
Create hunting rule
Author:@bartblaze
Description:Identifies Parallax RAT.
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
Create hunting rule

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/125433/

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