MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d83290b80bf412884168a6d24a06fad12edb578cc612ea555476b422a4499613. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments
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SHA256 hash: d83290b80bf412884168a6d24a06fad12edb578cc612ea555476b422a4499613
SHA3-384 hash: eb3621664899ce79563fd45ec20211922132ba85f55f6434f7e604f478d960d1046ceb0ba0e5630f1c5f7577de420caf
SHA1 hash: cb8019c2aa21d17daf49f1a9a23e13281b8f4ac8
MD5 hash: 8017e41b2c71f66ee834d21728a4160b
humanhash: oregon-edward-finch-tennis
File name:BR8909894.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:1'026'560 bytes
First seen:2021-08-12 06:01:00 UTC
Last seen:2021-08-12 07:24:54 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'740 x AgentTesla, 19'599 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:J7oP3LsrNZqTcIPBz8xAOZmuaWdEIwjS/1aOaxys:loTYqAIPBz8xASvaWt4Q1c
Threatray 430 similar samples on MalwareBazaar
TLSH T1932512567ADCBB20F4BD1B779961A25202FFDD401A23D86E3CE430A94E3BB9C4550B27
Reporter cocaman
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
103
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Samples_12082021.zip
Verdict:
Suspicious activity
Analysis date:
2021-08-12 02:11:19 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/7c789f27-3f52-4086-8fb4-502c61f2a782

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/178444/
Detection(s):
SecuriteInfo.com.Trojan.PackedNET.993-1.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a UDP request
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Deleting a recently created file
Creating a file
Connection attempt to an infection source
Query of malicious DNS domain
Forced shutdown of a system process
Enabling autorun by creating a file
Unauthorized injection to a system process
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
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/de082a9f-33d2-45d2-92a3-db6346c6d54c
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/831436
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
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: Suspect Svchost Activity
Sigma detected: Suspicious Svchost Process
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 463863 Sample: BR8909894.exe Startdate: 12/08/2021 Architecture: WINDOWS Score: 100 51 www.ommi-it.com 2->51 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Multi AV Scanner detection for dropped file 2->61 63 10 other signatures 2->63 9 BR8909894.exe 7 2->9         started        signatures3 process4 file5 43 C:\Users\user\AppData\...\eGXOLNdIXhOq.exe, PE32 9->43 dropped 45 C:\Users\...\eGXOLNdIXhOq.exe:Zone.Identifier, ASCII 9->45 dropped 47 C:\Users\user\AppData\Local\...\tmp3124.tmp, XML 9->47 dropped 49 C:\Users\user\AppData\...\BR8909894.exe.log, ASCII 9->49 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 9->65 67 Writes to foreign memory regions 9->67 69 Injects a PE file into a foreign processes 9->69 13 vbc.exe 3 9->13         started        17 schtasks.exe 1 9->17         started        signatures6 process7 dnsIp8 53 www.ommi-it.com 79.134.225.36, 49720, 49721, 49722 FINK-TELECOM-SERVICESCH Switzerland 13->53 55 192.168.2.1 unknown unknown 13->55 71 Contains functionality to steal Chrome passwords or cookies 13->71 73 Contains functionality to inject code into remote processes 13->73 75 Writes to foreign memory regions 13->75 77 4 other signatures 13->77 19 svchost.exe 1 13->19         started        21 svchost.exe 1 13->21         started        23 svchost.exe 1 13->23         started        27 13 other processes 13->27 25 conhost.exe 17->25         started        signatures9 process10 process11 29 conhost.exe 19->29         started        31 conhost.exe 21->31         started        33 conhost.exe 23->33         started        35 conhost.exe 27->35         started        37 conhost.exe 27->37         started        39 conhost.exe 27->39         started        41 4 other processes 27->41
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d83290b80bf412884168a6d24a06fad12edb578cc612ea555476b422a4499613/
Threat name:
ByteCode-MSIL.Spyware.Noon
Create hunting rule
Status:
Malicious
First seen:
2021-08-11 16:51:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
13
AV detection:
14 of 28 (50.00%)
Threat level:
  2/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3azjboal6qjiqqliu3jeubx22exnwv4myyjouvkuo22cfjcjsyjq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
38fb16c57672bbf11231b5671407d0d0e2c5025bf4fb38cdbb9d427732748489
RemcosRAT
3c6591d78134de2a069db77e119498d7774373ae2f91f98dbac0458d01b17202
RemcosRAT
5f674444804a14848e4bc25616732d85d2d6e7e9b96e19aa90c36070c16b0570
RemcosRAT
8991d5030b4541ecb6d1f0c14cb82914e745e77500f0d276b761d5e857aea943
RemcosRAT
96bf189c954cf26d2aa54d3e9da9e06d2fbefe5922b48b12b5302fbe0b64e2cb
RemcosRAT
be38a69081db308b628205a8d3bf1053120da733b05f38ac497a295723d2b29f
RemcosRAT
c59989579638c9add564a7013d8614bdc6b2f77bec80a0a6d4a8998e66bc6d07
RemcosRAT
d943b2b022a12df6ee3158daf54024d0c3f416590ec1c630373f7e6b12a5c52b
RemcosRAT
e2fbfb47b351d61413ac9e311b6d087c03115302b0ac72d8e0be203521faf948
RemcosRAT
+ 420 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost rat
Link:
https://tria.ge/reports/210812-qgjejcwzre/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Uses the VBS compiler for execution
Remcos
Malware Config
C2 Extraction:
www.ommi-it.com:8760
Unpacked files
SH256 hash:
de5e724fe2882e782963708199c27f4cc672fc356eb7202d71e4b06e5010a220
MD5 hash:
6630d47b3e2964be36c29d6974a23a46
SHA1 hash:
d95c9a717f9f82d040aa67a80931a520bf84a52b
Detections:
win_remcos_g0
Create hunting rule
Link:
https://www.unpac.me/results/e0905d51-63c8-47a9-9340-a437ffbdd9d4/
SH256 hash:
6043c6fef47418aa56c53fc085dfbe5572b2f19d367169592a24c562b130783c
MD5 hash:
34c02be9fbfb04cddc40bd58b8a8a2b6
SHA1 hash:
c47896a622593b10c3b0a5eebe7fd447299446cc
Link:
https://www.unpac.me/results/e0905d51-63c8-47a9-9340-a437ffbdd9d4/
SH256 hash:
ed0dd1e2260da7b03c8b80e0b45e8fef44be722c1e8c41e078c1a25ed0d18ecc
MD5 hash:
6057ce35bd926dd6d49dedfa9cc18372
SHA1 hash:
1f4e44e1740ffbd91129ac3a37d22845bc52c158
Link:
https://www.unpac.me/results/e0905d51-63c8-47a9-9340-a437ffbdd9d4/
SH256 hash:
4a44b45daf699deed73e736ae088e38a16e76f8fd059a80e6cadc863ffaf908a
MD5 hash:
c9f73155d18d73317b2225264c9f7c6e
SHA1 hash:
03ba781114e516732090a4831022e879ebd58cc0
Link:
https://www.unpac.me/results/e0905d51-63c8-47a9-9340-a437ffbdd9d4/
SH256 hash:
d83290b80bf412884168a6d24a06fad12edb578cc612ea555476b422a4499613
MD5 hash:
8017e41b2c71f66ee834d21728a4160b
SHA1 hash:
cb8019c2aa21d17daf49f1a9a23e13281b8f4ac8
Link:
https://www.unpac.me/results/e0905d51-63c8-47a9-9340-a437ffbdd9d4/
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/d83290b80bf412884168a6d24a06fad12edb578cc612ea555476b422a4499613

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
Create hunting rule
Author:abuse.ch
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:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:remcos_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:REMCOS_RAT_variants
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

rar 3ac3f0eb1fcb322fa443d10336246851f58eaab7202803867241d36ba2a80c67

RemcosRAT

Executable exe d83290b80bf412884168a6d24a06fad12edb578cc612ea555476b422a4499613

(this sample)

  
Delivery method
Other
  
Dropped by
SHA256 3ac3f0eb1fcb322fa443d10336246851f58eaab7202803867241d36ba2a80c67
Cape
Cape
https://www.capesandbox.com/analysis/178444/

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