MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5599b3c6b633d903c29de06459acba19fc1cf0615038c01771b0b5f1c4e5cb8b. 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 1 File information Comments
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SHA256 hash: 5599b3c6b633d903c29de06459acba19fc1cf0615038c01771b0b5f1c4e5cb8b
SHA3-384 hash: 760347f6003352af32095ca8f0a8a2f0ae84b59f9ffd4803c799177eac153253f56e546cb9f73fe47e02b9b93f7228a7
SHA1 hash: b0f907aa92d5b35b5b5fcad992f504525d04a87f
MD5 hash: 57b6e8cbb49f9e7cfed5bb1e5d2c78d7
humanhash: undress-mississippi-solar-two
File name:EXTRACTO_SERFINANZA_475481343360613456378_796289261659419553089_063500257046876715902044919_21933789983685164831902122_p
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:190'464 bytes
First seen:2021-04-26 05:50:08 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:9omNuNNr+qEM+NQfqNliqk7jCvHAAwCDKY9Hd3q5P+qYVY2YzY8b80BcY98Ytrdo:9lNur+RypUvI/p260xsd
Threatray 1'732 similar samples on MalwareBazaar
TLSH 3614D7A1F6D8ECD7D82512754C3BEC241167AF6CA4B6150D31BA7126B9B3393202BE4F
Reporter abuse_ch
Tags:RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
148
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
EXTRACTO_SERFINANZA_475481343360613456378_796289261659419553089_063500257046876715902044919_21933789983685164831902122_p
Verdict:
Malicious activity
Analysis date:
2021-04-26 05:52:14 UTC
Tags:
trojan dtloader loader
Link:
https://app.any.run/tasks/281fb45c-9cc1-4e93-bfd7-cc943aeb24cd

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/144182/
Detection(s):
SecuriteInfo.com.Artemis57B6E8CBB49F.25042.16376.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Sending an HTTP GET request
Creating a file
Creating a file in the %AppData% subdirectories
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Deleting a recently created file
Running batch commands
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process by context flags manipulation
Setting a global event handler for the keyboard
Connection attempt to an infection source
Result
Verdict:
UNKNOWN
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/d2a25e21-e419-4313-9441-2635e055dcbd
Result
Threat name:
Remcos
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/697495
Signature
C2 URLs / IPs found in malware configuration
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 397668 Sample: 4831902122_p Startdate: 26/04/2021 Architecture: WINDOWS Score: 100 53 Multi AV Scanner detection for domain / URL 2->53 55 Found malware configuration 2->55 57 Malicious sample detected (through community Yara rule) 2->57 59 6 other signatures 2->59 10 4831902122_p.exe 15 4 2->10         started        15 PxxoServicesTrialNet1.exe 2 2->15         started        17 PxxoServicesTrialNet1.exe 2 2->17         started        process3 dnsIp4 51 xwjhdjylqeypyltby.ml 172.67.176.229, 49713, 80 CLOUDFLARENETUS United States 10->51 45 C:\Users\user\...\4831902122_p.exe.log, ASCII 10->45 dropped 61 Contains functionality to steal Chrome passwords or cookies 10->61 63 Contains functionality to capture and log keystrokes 10->63 65 Contains functionality to inject code into remote processes 10->65 67 Contains functionality to steal Firefox passwords or cookies 10->67 19 4831902122_p.exe 4 5 10->19         started        69 Injects a PE file into a foreign processes 15->69 22 PxxoServicesTrialNet1.exe 15->22         started        24 PxxoServicesTrialNet1.exe 17->24         started        file5 signatures6 process7 file8 41 C:\Users\user\...\PxxoServicesTrialNet1.exe, PE32 19->41 dropped 43 PxxoServicesTrialN...exe:Zone.Identifier, ASCII 19->43 dropped 26 wscript.exe 1 19->26         started        process9 process10 28 cmd.exe 1 26->28         started        process11 30 PxxoServicesTrialNet1.exe 3 28->30         started        34 conhost.exe 28->34         started        file12 47 C:\Users\...\PxxoServicesTrialNet1.exe.log, ASCII 30->47 dropped 71 Multi AV Scanner detection for dropped file 30->71 73 Machine Learning detection for dropped file 30->73 75 Contains functionality to steal Chrome passwords or cookies 30->75 77 3 other signatures 30->77 36 PxxoServicesTrialNet1.exe 2 4 30->36         started        39 PxxoServicesTrialNet1.exe 30->39         started        signatures13 process14 dnsIp15 49 databasepropersonombrecomercialideasearchwords.services 186.169.38.241, 3521 COLOMBIATELECOMUNICACIONESSAESPCO Colombia 36->49
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/5599b3c6b633d903c29de06459acba19fc1cf0615038c01771b0b5f1c4e5cb8b/
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Create hunting rule
Status:
Malicious
First seen:
2021-04-26 05:50:14 UTC
AV detection:
11 of 47 (23.40%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kwm3hrvwgpmqhqu54bsftlf2dh6bz4dbka4maf3rwc27drhfzofq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
0769c1487705fd65aeacdd813882e532d3bbd4ffa7106a2015bac448d8091bbb
RemcosRAT
4579780c18fb273fd0884237c7a4021dbbb38494194d8c1840449e8a62d29251
RemcosRAT
4fe8c8398a6cf30cfd7cbed590de821abdb40aa177781c43c19bdfec75308355
RemcosRAT
522a495b289cf22898f762f18571b8839194e6232cb80fbb28dc426cbeeee323
RemcosRAT
622a12c9935eb8f0cfa499bb445642a837fa150a161e5393f7a1d759e6f94f02
RemcosRAT
833b575dac3a049ede0d27e2ff801d2e8d647cf04006f0037e1a9c71d7c8ace4
RemcosRAT
ab9041fe7e0a4a439521d6eb01cc16d74c00a0427c86b067120ac453ba7329d9
RemcosRAT
c39bdd8f7c69c3140ef920e2b1d5965310058c5fa425b871f4d7751d8291d55e
RemcosRAT
cee5cdde8972799268ab97a77880793470dfc0d93c5e697bb66f83b6675f51ba
RemcosRAT
e0d4ce0316734fce0ea0d950f0ff1b4182f1364d581c549a199ac041cfe68ebb
RemcosRAT
+ 1'722 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos persistence rat
Link:
https://tria.ge/reports/210426-nv6krxzfpa/
Behaviour
Modifies registry class
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
Loads dropped DLL
Executes dropped EXE
Remcos
Malware Config
C2 Extraction:
databasepropersonombrecomercialideasearchwords.services:3521
Unpacked files
SH256 hash:
5599b3c6b633d903c29de06459acba19fc1cf0615038c01771b0b5f1c4e5cb8b
MD5 hash:
57b6e8cbb49f9e7cfed5bb1e5d2c78d7
SHA1 hash:
b0f907aa92d5b35b5b5fcad992f504525d04a87f
Link:
https://www.unpac.me/results/2f0cf28e-80ed-4faf-a65b-d11e1e09996d/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/5599b3c6b633d903c29de06459acba19fc1cf0615038c01771b0b5f1c4e5cb8b

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

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/144182/

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