MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49. 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: 12


Intelligence 12 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49
SHA3-384 hash: c804325f022ede95ede64c618d47c470ea2807828f43cf7ee5b2d8a0dfbed6bc4a01360e57a4839fc4781c61e14a2b61
SHA1 hash: 810bdb6a806ee7ed18b49b5a0eab41114a943009
MD5 hash: 0fc8ba2820bc82c3f1dbebdbc31b13a9
humanhash: golf-river-montana-idaho
File name:heimatec RFQ 4556_ DRINGEND,pdf.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:851'968 bytes
First seen:2021-09-09 08:23:05 UTC
Last seen:2021-09-09 11:15:10 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 264c3850b31e316faedeb9b8d3bbcb31 (1 x RemcosRAT)
ssdeep 12288:/YTToST5Tp6l2G3ts6xlUv9nlRZtSyREsfC8apukpxkMCi9:gfZl6lV3ts6xlUvPvtSya+6ukpxkJi
Threatray 683 similar samples on MalwareBazaar
TLSH T17B057D4C56632CB1D0371D78FE2B6A293969BD413DA0DC512B60DEC79D24ED0BAE087B
dhash icon acacacb6a2968eaa (13 x RemcosRAT, 4 x Formbook, 4 x AveMariaRAT)
Reporter lowmal3
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
127
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
heimatec RFQ 4556_ DRINGEND,pdf.exe
Verdict:
Malicious activity
Analysis date:
2021-09-09 08:28:23 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/a1c4ff4a-ca11-4240-918c-7f0e36b65e38

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/186543/
Detection(s):
SecuriteInfo.com.UDS.Backdoor.Win32.Remcos.gen.4096.1201.UNOFFICIAL
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
Launching a process
Running batch commands
Creating a process with a hidden window
Launching cmd.exe command interpreter
Sending a UDP request
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/2b9d85be-2466-49a3-8785-a80d17b9f371
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/847929
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 480360 Sample: heimatec RFQ 4556_ DRINGEND... Startdate: 09/09/2021 Architecture: WINDOWS Score: 100 44 ongod4ever.ddns.net 2->44 70 Found malware configuration 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Antivirus / Scanner detection for submitted sample 2->74 76 5 other signatures 2->76 9 Cqucrfd.exe 15 2->9         started        13 heimatec RFQ 4556_ DRINGEND,pdf.exe 1 22 2->13         started        16 Cqucrfd.exe 15 2->16         started        signatures3 process4 dnsIp5 48 onedrive.live.com 9->48 56 2 other IPs or domains 9->56 78 Antivirus detection for dropped file 9->78 80 Multi AV Scanner detection for dropped file 9->80 82 Writes to foreign memory regions 9->82 84 Allocates memory in foreign processes 9->84 18 dialer.exe 9->18         started        50 onedrive.live.com 13->50 58 2 other IPs or domains 13->58 42 C:\Users\Public\Libraries\...\Cqucrfd.exe, PE32 13->42 dropped 86 Creates a thread in another existing process (thread injection) 13->86 88 Injects a PE file into a foreign processes 13->88 21 mobsync.exe 2 13->21         started        24 cmd.exe 1 13->24         started        26 cmd.exe 1 13->26         started        52 192.168.2.1 unknown unknown 16->52 54 onedrive.live.com 16->54 60 2 other IPs or domains 16->60 28 mobsync.exe 16->28         started        file6 signatures7 process8 dnsIp9 62 Delayed program exit found 18->62 46 ongod4ever.ddns.net 194.147.140.9, 3030, 49765, 49768 PTPEU unknown 21->46 64 Contains functionality to steal Chrome passwords or cookies 21->64 66 Contains functionality to inject code into remote processes 21->66 68 Contains functionality to steal Firefox passwords or cookies 21->68 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/0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49/
Threat name:
Win32.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-09-09 07:05:51 UTC
AV detection:
9 of 45 (20.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=bwidzni5q2sh5kn2uajin2nh2dbsl5sbfpaoltkius5jlsconveq._file
Verdict:
malicious
Similar samples:
0ece37571329db1a83a8efeb0ed01d267ea7c2c349c235b2f4cc26bd07bb7df6
RemcosRAT
11f6a46954cdec78fec52771521926ff6917af81f79e3dc1198a38571b7d7519
RemcosRAT
174d091dcf5a5b2c4af35b5df2e4094ddf31bc589208f7b79ff5fc0db2dde514
RemcosRAT
83080b8c4c08c8da536e213b6d03a7bff6541bb02aa95f804cd896567bfaeebf
RemcosRAT
8a5035fd03311d20137b4111bee190142fa9c653ed60e57be2802665fe8bdb24
RemcosRAT
a737c6bf1fe3e63d6d187d114d887c6c1e722579fc9caab72ce4451564e165f6
RemcosRAT
bb63c61554ccc2caa79eec3705c3e4ce41626e88f375a8a1bc5b514e489b0f04
RemcosRAT
+ 673 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:celebration persistence rat
Link:
https://tria.ge/reports/210909-j96l7sfge8/
Behaviour
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Program crash
Adds Run key to start application
Remcos
Malware Config
C2 Extraction:
ongod4ever.ddns.net:3030
Unpacked files
SH256 hash:
cd4b225505e84218ef7418c8e5f41acbb67c51bd43e9ddcfa25341259377d3df
MD5 hash:
b7816cb3535b2f2675804d3052295003
SHA1 hash:
db4588853aa1ec16b1f2d29b1e873a653a1ecb13
Link:
https://www.unpac.me/results/19548b04-0500-43b3-bf1c-6cd7d3658987/
SH256 hash:
0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49
MD5 hash:
0fc8ba2820bc82c3f1dbebdbc31b13a9
SHA1 hash:
810bdb6a806ee7ed18b49b5a0eab41114a943009
Link:
https://www.unpac.me/results/19548b04-0500-43b3-bf1c-6cd7d3658987/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/0d903cb51d86/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/0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49

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:INDICATOR_SUSPICIOUS_Stomped_PECompilation_Timestamp_InTheFuture
Create hunting rule
Author:ditekSHen
Description:Detect executables with stomped PE compilation timestamp that is greater than local current time
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.

Malspam

RemcosRAT

Executable exe 0d903cb51d86a47ea9baa01286e9a7d0c325f6412bc0e5cd48a4ba95c84e6d49

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/186543/

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