MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c. 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 8 File information Comments
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SHA256 hash: 6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c
SHA3-384 hash: 65ab6d6867dba4a33084fb763e1084f7f812da7e82dafc1f8771ff70e764537859c5ac866f35f3ff6f6c8fb426153434
SHA1 hash: 7afa77bc174cfebecf11ab5e897f565c14707fb1
MD5 hash: 3f1e33ac807cdf6aa5d2d0df56691a03
humanhash: cold-neptune-hamper-winter
File name:EFG.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:988'160 bytes
First seen:2023-04-21 12:44:00 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 24576:HqL8g2DtwmioDUi8TCtvHjDGmntkMzWsgSKUfpP1jV:od2Dt/hD8Te7ymnbxfrj
Threatray 1'847 similar samples on MalwareBazaar
TLSH T11C25127E73369D2AD63C4AB2D9C2051503F19947A283E7095CD621CB666EFC68DC0BCB
TrID 63.0% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
11.2% (.SCR) Windows screen saver (13097/50/3)
9.0% (.EXE) Win64 Executable (generic) (10523/12/4)
5.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 69e8b2f0d0c4e830 (5 x RemcosRAT)
Reporter malwarelabnet
Tags:exe remcos RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
289
Origin country :
CA CA
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
PAYMENT SLIP.xlsx
Verdict:
Malicious activity
Analysis date:
2023-04-21 12:42:43 UTC
Tags:
exploit cve-2017-11882 loader remcos
Link:
https://app.any.run/tasks/76fc7331-6fd0-467f-96c9-2dacfef34933

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/383945/
Detection(s):
Sanesecurity.Malware.28872.BadIN4.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
clipbanker comodo darkkomet packed
Link:
https://www.filescan.io/uploads/64428515ebaa3f74ad4522a4/reports/4217a950-93fd-4a0b-882a-8f669cd83b25/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c
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/221f77c7-402c-4c8d-bb18-1bc17d8384fb
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1218612
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Found malware configuration
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
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 851558 Sample: EFG.exe Startdate: 21/04/2023 Architecture: WINDOWS Score: 100 48 Found malware configuration 2->48 50 Malicious sample detected (through community Yara rule) 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 7 other signatures 2->54 8 EFG.exe 3 2->8         started        12 re.exe 2 2->12         started        14 re.exe 2 2->14         started        16 re.exe 2 2->16         started        process3 file4 42 C:\Users\user\AppData\Local\...FG.exe.log, ASCII 8->42 dropped 58 Contains functionality to bypass UAC (CMSTPLUA) 8->58 60 Contains functionality to steal Chrome passwords or cookies 8->60 62 Contains functionality to modify clipboard data 8->62 66 2 other signatures 8->66 18 EFG.exe 2 3 8->18         started        64 Injects a PE file into a foreign processes 12->64 21 re.exe 12->21         started        23 re.exe 14->23         started        25 re.exe 14->25         started        27 re.exe 14->27         started        29 re.exe 16->29         started        signatures5 process6 file7 38 C:\Users\user\AppData\Roaming\re.exe, PE32 18->38 dropped 40 C:\Users\user\...\re.exe:Zone.Identifier, ASCII 18->40 dropped 31 re.exe 3 18->31         started        process8 signatures9 68 Antivirus detection for dropped file 31->68 70 Multi AV Scanner detection for dropped file 31->70 72 Machine Learning detection for dropped file 31->72 34 re.exe 3 14 31->34         started        process10 dnsIp11 44 craigjonson1.gotdns.ch 45.81.243.251, 2011, 49696 LVLT-10753US Germany 34->44 46 geoplugin.net 178.237.33.50, 49697, 80 ATOM86-ASATOM86NL Netherlands 34->46 56 Installs a global keyboard hook 34->56 signatures12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c/
Threat name:
ByteCode-MSIL.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-04-18 12:22:49 UTC
File Type:
PE (.Net Exe)
Extracted files:
16
AV detection:
11 of 37 (29.73%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=n4ittpuofluz244ysrgfigero22r33qybjsvynosxuijvhbv25wa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
11327f3b5123a0f6325b9370d4321bddc00ef1619f6da209503ae1370b24121e
RemcosRAT
1abe11cf0a879b99c092a403e9efedf7ecda8e92c6708c31c799ce36c2da26a8
RemcosRAT
2010a7e1a136a9881ba4db4beb99088ea77ea2997d36e6d1d16fc696b34fda8b
RemcosRAT
3c2ffc42864aba9e07bb8cd494141ea7125a2d24a8717f0cf0a33da8020dbdfb
RemcosRAT
7e09b162052fa0f01f2d48609446e1cc66fea01afa412d5aee4cca9afa98fe52
RemcosRAT
aa2caafd9a1d53df2112c9081fb5686e04283be0da13d94bacdfc8c9addf0c34
RemcosRAT
cadf95355bd6ea18fdd3555ea3f85d102f40b3df0dc36b332f9ad8b505105f6e
RemcosRAT
f3c280a30bfcb13a09179451fc8a2885ea9a95258ee5b52bfd24a1caf7896e54
RemcosRAT
+ 1'837 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:eric host persistence rat
Link:
https://tria.ge/reports/230421-pygrlahd6v/
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
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
craigjonson1.gotdns.ch:2011
Unpacked files
SH256 hash:
cde373f9ae19ac19178008dfec24e9f8054a6a7620fc2d0c96a876b40a72440d
MD5 hash:
8a6427334dbe86bedff6dee347d1e304
SHA1 hash:
c9ff8fa699f766b1e0667ac0da57bd32e925e7f0
Link:
https://www.unpac.me/results/7c7be9d5-2d83-46b5-bd03-c38671ae2587/
SH256 hash:
4021c5e196d257b345948d959c91708e79d8651c98bd277701357a0e94d0eb7b
MD5 hash:
91368a39362545477fa6ef2968f714bf
SHA1 hash:
aacf6a47c05a2fe58669fde337e0f1f864d74292
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/7c7be9d5-2d83-46b5-bd03-c38671ae2587/
SH256 hash:
4eac87d6896bdc619f9fc80b30fa1e2bf095ffca08c653161538858cd263b572
MD5 hash:
129294d744dd031f97a7ee455084a085
SHA1 hash:
6f7e99964ce0ff652e8a662970b589eb14db1450
Link:
https://www.unpac.me/results/7c7be9d5-2d83-46b5-bd03-c38671ae2587/
SH256 hash:
2e5a19c6cd9fcd154dac43357bd4884eed7924f12e8f8f16a055038bff26a86a
MD5 hash:
04af0b6143f7183be4dce3dcfde439e3
SHA1 hash:
6855f00c15474b50f5f50bd7f6250ba10d1d9185
Link:
https://www.unpac.me/results/7c7be9d5-2d83-46b5-bd03-c38671ae2587/
SH256 hash:
6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c
MD5 hash:
3f1e33ac807cdf6aa5d2d0df56691a03
SHA1 hash:
7afa77bc174cfebecf11ab5e897f565c14707fb1
Link:
https://www.unpac.me/results/7c7be9d5-2d83-46b5-bd03-c38671ae2587/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/6f1139be8e2a/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
Link:
https://yomi.yoroi.company/submissions/6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
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:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
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 6f1139be8e2ae99d7398944c54189176b51dee180a655c35d2bd109a9c35d76c

(this sample)

Cape
Cape
https://www.capesandbox.com/analysis/383945/
  
URLhaus
https://urlhaus.abuse.ch/url/2615515/
  
Delivery method
Distributed via web download

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