MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc. 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: 17


Intelligence 17 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc
SHA3-384 hash: 9dc8d9c17f14fe0dc39084ad918a595f5f0da5b6c15c89b79c8664536202d760303e765f890cf77f9bed02947c0747b2
SHA1 hash: 522757ccc1279c4eccf0164a75d140457ba68f90
MD5 hash: c8bf4105a84397474e1a5b351f2a7879
humanhash: pluto-idaho-arizona-wisconsin
File name:new sample order.scr
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'260'032 bytes
First seen:2022-10-09 05:22:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 12288:527kW06R/4ventCvUR+YGSXHE8rYd8MOimm830PVV+kLA4IAW9zoSDF9nvIo3S9L:qp4vetCvUaLwPm80PpIV9cSbIOKOMF
Threatray 2'159 similar samples on MalwareBazaar
TLSH T16E45E03116E5DA0BD4165378CDE2D3F09FE82D74E976C347AFE9BCABB0175A26A00046
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)
Reporter GovCERT_CH
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
341
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
new sample order.exe
Verdict:
Malicious activity
Analysis date:
2022-10-06 15:26:22 UTC
Tags:
trojan rat remcos keylogger stealer
Link:
https://app.any.run/tasks/39f9a6ca-cd88-4767-a46c-ef613a9408b1

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/317983/
Detection(s):
SecuriteInfo.com.BackDoor.RatNET.2.5777.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Сreating synchronization primitives
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Creating a file
Setting a keyboard event handler
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
75%
Tags:
remcos
Link:
https://www.filescan.io/uploads/63425ab7491b0c7e71c7de1b/reports/fb8b1f9e-d073-4084-9f0f-d4f37c58f136/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/e28b1b02-dac3-41dc-a016-02d5a1abb5fc
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1086418
Signature
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
C2 URLs / IPs found in malware configuration
Initial sample is a PE file and has a suspicious name
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
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 718975 Sample: new sample order.scr.exe Startdate: 09/10/2022 Architecture: WINDOWS Score: 100 46 Malicious sample detected (through community Yara rule) 2->46 48 Sigma detected: Scheduled temp file as task from temp location 2->48 50 Multi AV Scanner detection for submitted file 2->50 52 10 other signatures 2->52 7 new sample order.scr.exe 7 2->7         started        11 kxyzbuoXXJJ.exe 5 2->11         started        process3 file4 34 C:\Users\user\AppData\...\kxyzbuoXXJJ.exe, PE32 7->34 dropped 36 C:\Users\...\kxyzbuoXXJJ.exe:Zone.Identifier, ASCII 7->36 dropped 38 C:\Users\user\AppData\Local\...\tmpA745.tmp, XML 7->38 dropped 40 C:\Users\...\new sample order.scr.exe.log, ASCII 7->40 dropped 54 Adds a directory exclusion to Windows Defender 7->54 56 Injects a PE file into a foreign processes 7->56 13 new sample order.scr.exe 2 2 7->13         started        18 powershell.exe 19 7->18         started        20 schtasks.exe 1 7->20         started        22 new sample order.scr.exe 7->22         started        58 Multi AV Scanner detection for dropped file 11->58 60 Machine Learning detection for dropped file 11->60 24 schtasks.exe 1 11->24         started        26 kxyzbuoXXJJ.exe 11->26         started        signatures5 process6 dnsIp7 44 91.192.100.12, 2404, 49704, 49705 AS-SOFTPLUSCH Switzerland 13->44 42 C:\ProgramData\remcos\logs.dat, data 13->42 dropped 62 Installs a global keyboard hook 13->62 28 conhost.exe 18->28         started        30 conhost.exe 20->30         started        32 conhost.exe 24->32         started        file8 signatures9 process10
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2022-10-06 16:31:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
14
AV detection:
31 of 42 (73.81%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4p2er42a3e3leihqzppyhcubfxpdlqjvncsiqu3htvdvlgcggl6a._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
04a15b34b627794caf34f7277c8663ea7a75d32576f6484dc85ba2bfcbe39bfd
RemcosRAT
0773f517b40992fd3e6291eb906558588f1de9e3887bb2433f95bb4ea9f5904a
RemcosRAT
20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9
RemcosRAT
3e0bcdfffded9aaede7644824841490767cf472e2dafebdc04b090870853d8ac
RemcosRAT
70d6e951bd55244ca98fe522042be5209783c38dbe261d9f4c577da2cc6939cd
RemcosRAT
788a6a0d67e10a4235043d0f12cc5841ab77bac0518842aea964e720318f674d
RemcosRAT
b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea
RemcosRAT
da780e7f18a59bf4184769099656b951986ff9915e684a7d9c063f471f4f6876
RemcosRAT
+ 2'149 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:ip-remcos rat
Link:
https://tria.ge/reports/221009-f25hdsgdb6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
91.192.100.12:2404
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cb057ce3-8953-486d-a75b-7f6629b3e141
Unpacked files
SH256 hash:
ce3794d19abc7727f09fee5603937013ec5cbad794b17ca85f60f7c437ec43a3
MD5 hash:
c16d7b008e101d3232f60286136cc909
SHA1 hash:
cd0a47e3a4c16647086432f95ad12f87fc2e7d65
Link:
https://www.unpac.me/results/ff22e967-b2fe-41ad-9a19-74ff069cc652/
SH256 hash:
5fbdcb76c77563ed3d729fdca3396169c54443253001cf9b1b6b75a0f75cdcb4
MD5 hash:
629c31e71cfa6aab7a62bef45298816c
SHA1 hash:
932da9270d08d3b97ad1fb75e3d3180481f91096
Link:
https://www.unpac.me/results/ff22e967-b2fe-41ad-9a19-74ff069cc652/
SH256 hash:
65f1ecea3a32de7d540321e4ddb8d12effc8b947668350b4f7604d45046ea777
MD5 hash:
dc4663a4eb1dac7f1163f0d245ac6cc5
SHA1 hash:
58159adf450e622e3b04f59b2651936c29e33271
Link:
https://www.unpac.me/results/ff22e967-b2fe-41ad-9a19-74ff069cc652/
SH256 hash:
870d4f7e420e54b86039ac5852c78d3da45ff18f413286eb904abb76b979161b
MD5 hash:
7ecbecd7b77cb2a46af2b50f793ee13d
SHA1 hash:
302e32a8b97d1b174184dba6013be36bf8cd635b
Detections:
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/ff22e967-b2fe-41ad-9a19-74ff069cc652/
Parent samples :
b563d460e40277fd18dfa645f16081ed6328f519e218afc6570dafe951f5feea
20d06c9366037f9c7d08d843ddcb74e264accf481dbefd7b1f77669abb4d9be9
e1951d7c32816561ef8f00f5612a088479e1edb3a8cdbc7b7a48d8b60de5c541
236493354378eefc6203b957baa7df24b566d8e5b0f04523bbb060999cc8a227
d0b3a869d6b24ab7a223cc2b74d8be81f5071e36397fcf64c110a332fc6e0f0c
e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc
SH256 hash:
e20ec8f3c957bcb6a194ef688bae8af2015cfffb20e7baf8b2114d7b70ade4ee
MD5 hash:
35cb29046968faca7f3f3b4463449b6c
SHA1 hash:
088c8c30ec1bece0a4b5bbfe3982b073f8b95598
Link:
https://www.unpac.me/results/ff22e967-b2fe-41ad-9a19-74ff069cc652/
SH256 hash:
e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc
MD5 hash:
c8bf4105a84397474e1a5b351f2a7879
SHA1 hash:
522757ccc1279c4eccf0164a75d140457ba68f90
Link:
https://www.unpac.me/results/ff22e967-b2fe-41ad-9a19-74ff069cc652/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e3f448f340d9/report/overview.html
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/e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc

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: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.

Malspam

RemcosRAT

Executable exe e3f448f340d936b220f0cbdf838a812dde35c13568a48853679d4755984632fc

(this sample)

  
Dropped by
RemcosRAT
  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/317983/

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