MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6a3aa7d5ab777a2824d7d312dfd49e0b03e30959a9219e7f782860d2d8b9a12c. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6a3aa7d5ab777a2824d7d312dfd49e0b03e30959a9219e7f782860d2d8b9a12c
SHA3-384 hash: e9610c8b07edd306201d17185c058a9901420f01508b5f920d9d2bb2fc4c907a64026e09be541b09e8932e32b59ac8a1
SHA1 hash: fd95a6b9074c9b4b572c295ead2edea85b37aa51
MD5 hash: ed28e948aff5b8daeef4b11bf757d82f
humanhash: paris-paris-tango-autumn
File name:Confirmarea comenzii noi-4019,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:833'536 bytes
First seen:2021-09-08 10:50:36 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash a6f9ce49927a1276962e131ee30a4701 (4 x AveMariaRAT, 2 x NetWire, 2 x RemcosRAT)
ssdeep 12288:GDylNhPTW3jR+9bHoraZlojpF/b8PmcuVpvC1VGEdsj:j7I3N8DoraZ6d8unzUVS
Threatray 1'027 similar samples on MalwareBazaar
TLSH T143057D62F2D475FDE29212BB1C2BB5A859296E2535316CCB2ED13C481FF6B52363070E
dhash icon acacacb6a2968eaa (13 x RemcosRAT, 4 x Formbook, 4 x AveMariaRAT)
Reporter abuse_ch
Tags:exe RAT RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
126
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Confirmarea comenzii noi-4019,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-08 10:51:54 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/72930db3-9767-409a-8a3e-ff215c9958e1

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/186312/
Detection(s):
PUA.Win.Adware.Slugin-6840354-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
DNS request
Connection attempt
Sending a custom TCP request
Creating a file
Deleting a recently created file
Sending a UDP request
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a system process
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/26565c09-d28c-4759-88db-3cef28fd2fae
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847295
Signature
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
Creates a thread in another existing process (thread injection)
Delayed program exit found
Detected Remcos RAT
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 479724 Sample: Confirmarea comenzii noi-40... Startdate: 08/09/2021 Architecture: WINDOWS Score: 100 44 ongod4ever.ddns.net 2->44 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Detected Remcos RAT 2->72 74 7 other signatures 2->74 9 Gmpvlhf.exe 15 2->9         started        13 Confirmarea comenzii noi-4019,pdf.exe 1 22 2->13         started        16 Gmpvlhf.exe 16 2->16         started        signatures3 process4 dnsIp5 48 onedrive.live.com 9->48 58 2 other IPs or domains 9->58 76 Writes to foreign memory regions 9->76 78 Creates a thread in another existing process (thread injection) 9->78 80 Injects a PE file into a foreign processes 9->80 18 dialer.exe 9->18         started        50 onedrive.live.com 13->50 52 fu9v6a.dm.files.1drv.com 13->52 54 dm-files.fe.1drv.com 13->54 42 C:\Users\Public\Libraries\...behaviorgraphmpvlhf.exe, PE32 13->42 dropped 21 ieinstal.exe 2 13->21         started        24 cmd.exe 1 13->24         started        26 cmd.exe 1 13->26         started        56 onedrive.live.com 16->56 60 2 other IPs or domains 16->60 28 mobsync.exe 16->28         started        file6 signatures7 process8 dnsIp9 62 Contains functionality to steal Chrome passwords or cookies 18->62 64 Contains functionality to steal Firefox passwords or cookies 18->64 66 Delayed program exit found 18->66 46 ongod4ever.ddns.net 194.147.140.9, 49719, 49720, 49721 PTPEU unknown 21->46 30 reg.exe 1 24->30         started        32 conhost.exe 24->32         started        34 cmd.exe 1 26->34         started        36 conhost.exe 26->36         started        signatures10 process11 process12 38 conhost.exe 30->38         started        40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6a3aa7d5ab777a2824d7d312dfd49e0b03e30959a9219e7f782860d2d8b9a12c/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-09-08 10:51:11 UTC
AV detection:
9 of 46 (19.57%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ni5kpvnlo55cqjgx2mjn7ve6bmb6gckzveqz473yfbqnfwfzuewa._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
16b834e15f6d2c66cb5f2b8b5acbe63830408847d3731d60625b57c1c0e9ad5a
RemcosRAT
1974f2f3c94bc79af6872802cae45f9113ce6b708635930a77aa73db92898852
RemcosRAT
7162fc24e700f042d19b8f08a42c91bfae05f2a08c66df2bb4cb3d8e8635e475
RemcosRAT
7e6b40371751970ec5b3b17f02a89ac6ff1b7f9ec20210144fd75f992c3af21e
RemcosRAT
a4e0f53f95a9c758592dfd652c6c7bdc3535d45b7f4ab2c2bb6a7e2f3b215526
RemcosRAT
b70ee93e9f63d90785264d45dae48012a1d00b92f63c21ccae0f5d2003c00554
RemcosRAT
cbe42b277b9e2d8ad915917a6c9a6cca9858efb70c342462a0a6701b39dda1fc
RemcosRAT
e1686c75b6d0982c533063557289dd24d66ba74a9dd37cd5d328c3451035a01f
RemcosRAT
f198970271e10830bafa86eccc5ce43e5075a15ed43f4e1924d0e8e0824f218b
RemcosRAT
+ 1'017 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:able god persistence rat
Link:
https://tria.ge/reports/210908-mxtnnaech8/
Behaviour
Modifies registry key
Suspicious use of WriteProcessMemory
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
ongod4ever.ddns.net:5652
Unpacked files
SH256 hash:
cd4b225505e84218ef7418c8e5f41acbb67c51bd43e9ddcfa25341259377d3df
MD5 hash:
b7816cb3535b2f2675804d3052295003
SHA1 hash:
db4588853aa1ec16b1f2d29b1e873a653a1ecb13
Link:
https://www.unpac.me/results/89c479e5-1787-4d48-b626-45c538b1433e/
SH256 hash:
6a3aa7d5ab777a2824d7d312dfd49e0b03e30959a9219e7f782860d2d8b9a12c
MD5 hash:
ed28e948aff5b8daeef4b11bf757d82f
SHA1 hash:
fd95a6b9074c9b4b572c295ead2edea85b37aa51
Link:
https://www.unpac.me/results/89c479e5-1787-4d48-b626-45c538b1433e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/6a3aa7d5ab77/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/6a3aa7d5ab777a2824d7d312dfd49e0b03e30959a9219e7f782860d2d8b9a12c

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_EnvVarScheduledTasks
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC (ab)using Environment Variables in Scheduled Tasks
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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

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/186312/

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