MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3547af76cc6e0a31226c990caa5620f64cfdc6d0d32243f709d532ee7e48d877. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3547af76cc6e0a31226c990caa5620f64cfdc6d0d32243f709d532ee7e48d877
SHA3-384 hash: 6a04f5da7b79ed20e7cf98fe3aeb2020612169f591880e09fe622f5d104927c5812179883de9d453d1fedd798bdee47b
SHA1 hash: a53db206f5a3e799469ee3e7e3d2d5ca2b7a03d8
MD5 hash: 27d4407beeb273caf373f236785ce4d0
humanhash: delta-washington-twelve-network
File name:Primarily.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:363'328 bytes
First seen:2023-04-11 13:56:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer)
ssdeep 6144:vRlWoKEPgXCiSs0sndk13ZWWVWJ49eVl0Mp6227OvzQsFG:55SSv0S14WVWW4VyMEOUs
Threatray 2'059 similar samples on MalwareBazaar
TLSH T15074E0D4BB21827BD863D773CAF24E1919BA2C36B1C0195A466837F83413EF1A51778B
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f0d0e0f2e6ece471 (2 x RemcosRAT)
Reporter James_inthe_box
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2023-03-05T08:16:49Z
Valid to:2026-03-04T08:16:49Z
Serial number: 6e1744f0902294a5fa9816ffccbdda6ef7e29c36
Thumbprint Algorithm:SHA256
Thumbprint: 31a4ad35bdd0fe6e9cb23bcad93e4c44ec37d6b11bbdf0e0773d16fab86645ee
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
262
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Primarily.exe
Verdict:
Malicious activity
Analysis date:
2023-04-11 13:57:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/6ad8c3c0-548d-4131-b96a-1e93f8647908

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/381512/
Detection(s):
SecuriteInfo.com.Win32.SuspectCrc.25401.30137.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/77413/overview
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
guloader icedid overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/6435672f08896da610c01868/reports/89878757-a765-42a4-bc40-d0e16483db8d/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3547af76cc6e0a31226c990caa5620f64cfdc6d0d32243f709d532ee7e48d877
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.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/aa45ca39-bff7-4e69-83b2-a710b0ab3020
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.spyw
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1211840
Signature
C2 URLs / IPs found in malware configuration
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect Any.run
Yara detected GuLoader
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3547af76cc6e0a31226c990caa5620f64cfdc6d0d32243f709d532ee7e48d877/
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=gvd265wmnyfdcitmtegkuvra6zgp3rwq2mreh5yj2uzo47si3b3q._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1e08bbecaa308b4390f6313410fb0f23c47c989e1a247c21fd0ab26b72f666c6
RemcosRAT
69c845dfc6e399c55730f8ffe5a7c822f3b36f94cf5905415d8b673e9f391329
RemcosRAT
6b1df4cb218093a57a5646f0d6ece41d548fae6cce51d90d1540686d747069b6
RemcosRAT
9fff2ab375e26431e4cd6f35aa3b1446a4cba8ec78d0bd61bde694ee6474ded4
RemcosRAT
ac1f084845ff5e15e2e7748d5ca4ebfc36334b62e02d51d1ddb17c8fcf7bb210
RemcosRAT
b689885667b1f8a29bafedff5fc69526534732ebb7731d98bbc06f7005b245d5
RemcosRAT
e593273ca24c7a903e5b350a25ed410049bf87ffd9173ca9776a7860c3962797
RemcosRAT
ed20ff85f5df587140e0780e16a5eb28df94e1b6330c8256de39d94b5a772e83
RemcosRAT
+ 2'049 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:guloader family:remcos botnet:remotehost collection downloader rat spyware stealer
Link:
https://tria.ge/reports/230411-q8849scg47/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
172.93.166.85:2404
Unpacked files
SH256 hash:
a632d74332b3f08f834c732a103dafeb09a540823a2217ca7f49159755e8f1d7
MD5 hash:
75ed96254fbf894e42058062b4b4f0d1
SHA1 hash:
996503f1383b49021eb3427bc28d13b5bbd11977
Link:
https://www.unpac.me/results/45c5dc21-f9cf-4817-a090-abac290e037c/
SH256 hash:
3547af76cc6e0a31226c990caa5620f64cfdc6d0d32243f709d532ee7e48d877
MD5 hash:
27d4407beeb273caf373f236785ce4d0
SHA1 hash:
a53db206f5a3e799469ee3e7e3d2d5ca2b7a03d8
Link:
https://www.unpac.me/results/45c5dc21-f9cf-4817-a090-abac290e037c/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3547af76cc6e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/3547af76cc6e0a31226c990caa5620f64cfdc6d0d32243f709d532ee7e48d877

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:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits

File information

The table below shows additional information about this malware sample such as delivery method and external references.

  
Delivery method
Other
Cape
Cape
https://www.capesandbox.com/analysis/381512/

Comments