MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 29fd451a165ea9920d326acf59e0546008354aa58e70106014d7c98d98973da8. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 29fd451a165ea9920d326acf59e0546008354aa58e70106014d7c98d98973da8
SHA3-384 hash: cfa0473842f8c5976de0648331878b8eed7dbdec3cb7484bf217f48c881c38b8bbfc38c37783ba6e817f764a02c38c73
SHA1 hash: b847e0cb101d69cd4d46c666152550c72dd04e40
MD5 hash: 1b0a703fa915336e899bb29afcf96858
humanhash: wisconsin-blossom-helium-butter
File name:Spaebook.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:231'824 bytes
First seen:2023-04-03 06:40:35 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla)
ssdeep 6144:A1kalCH0kU9MznAhKED4KlrBs1wfCTxuIfENY8NWt63:A1oH0kU9MzAfDXlrByfktNYSF
Threatray 1'834 similar samples on MalwareBazaar
TLSH T1DF34029763F8D427D7E3DD311E73E9768576F3012434062F2B60AF623926B92A809397
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 b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla)
Reporter Anonymous
Tags:exe RemcosRAT signed

Code Signing Certificate

Organisation:
Issuer:
Algorithm:sha256WithRSAEncryption
Valid from:2022-12-14T02:53:49Z
Valid to:2025-12-13T02:53:49Z
Serial number: 682bbf25bd06b82a59c1e05094bde1a955c6f9de
Thumbprint Algorithm:SHA256
Thumbprint: d8c3fe817c8e496231cf6a0725f43132ac84f04647fef02aafba85db119815bd
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
250
Origin country :
KR KR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Re_ Re_ Return invoice for Payment.eml
Verdict:
Malicious activity
Analysis date:
2023-04-03 05:27:44 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/cb9e0d28-717a-4f54-8282-122567b2a63a

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/379522/
Detection(s):
SecuriteInfo.com.TR.Click.Clikug.AA.UNOFFICIAL
Create hunting rule

Result
Verdict:
Clean
Maliciousness:

Behaviour
Creating a window
Creating a file in the %temp% subdirectories
Delayed reading of the file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/642a74ffd1b7f0d264f9e27f/reports/e5410b42-9424-47b4-ab60-cfbabc05a19f/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/29fd451a165ea9920d326acf59e0546008354aa58e70106014d7c98d98973da8
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/0979f26e-5dd7-4c32-b31e-2c8dd14bc482
Result
Threat name:
Remcos, GuLoader
Create hunting rule
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1206833
Signature
Detected unpacking (changes PE section rights)
Installs a global keyboard hook
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Tries to detect Any.run
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected GuLoader
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 839748 Sample: Spaebook.exe Startdate: 03/04/2023 Architecture: WINDOWS Score: 100 30 googlehosted.l.googleusercontent.com 2->30 32 geoplugin.net 2->32 34 2 other IPs or domains 2->34 48 Multi AV Scanner detection for submitted file 2->48 50 Yara detected GuLoader 2->50 52 Sigma detected: Remcos 2->52 54 Yara detected WebBrowserPassView password recovery tool 2->54 8 Spaebook.exe 1 25 2->8         started        signatures3 process4 file5 26 C:\Users\user\AppData\Local\...\System.dll, PE32 8->26 dropped 56 Detected unpacking (changes PE section rights) 8->56 58 Tries to detect Any.run 8->58 12 Spaebook.exe 3 16 8->12         started        signatures6 process7 dnsIp8 36 googlehosted.l.googleusercontent.com 142.250.184.225, 443, 49819 GOOGLEUS United States 12->36 38 drive.google.com 142.250.186.174, 443, 49818 GOOGLEUS United States 12->38 40 2 other IPs or domains 12->40 28 C:\ProgramData\remcos\logs.dat, data 12->28 dropped 60 Tries to detect Any.run 12->60 62 Maps a DLL or memory area into another process 12->62 64 Installs a global keyboard hook 12->64 17 Spaebook.exe 1 12->17         started        20 Spaebook.exe 1 12->20         started        22 Spaebook.exe 1 12->22         started        24 3 other processes 12->24 file9 signatures10 process11 signatures12 42 Tries to steal Instant Messenger accounts or passwords 17->42 44 Tries to harvest and steal browser information (history, passwords, etc) 17->44 46 Tries to steal Mail credentials (via file / registry access) 20->46
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/29fd451a165ea9920d326acf59e0546008354aa58e70106014d7c98d98973da8/
Threat name:
Win32.Trojan.Guloader
Create hunting rule
Status:
Malicious
First seen:
2023-04-03 02:09:52 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fh6ukgqwl2uzedjsnlhvtycumaedksvfrzybayau27ey3gexhwua._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
112849dd6b58f03b2b54bf624ab2df4c51ce9c986a0bcc9b8be7b67ade9ac4ab
RemcosRAT
236f588e342c10bbb188c4e9c5ae6a404cde15d852c1dae044248a3fb966c124
RemcosRAT
44053567b3a16ba1c028be6b76d7e43e00f95053cb88aa25050a5458ad9d23f4
RemcosRAT
6054e801f0c62698352dd4b1d1c3e82097ede19f36cdd2db9b4c69bc763f3adb
RemcosRAT
6b7b8281efafc1d38ede88ff7666078a24a10eb51f513ac939000e40484224db
RemcosRAT
913172750585a6984011e58a573a38cd7ed051e2145690cf7a4b53b1ca49725c
RemcosRAT
b80ee3b27dc7d464e00259340dcd9b967daba8aead0a06811ca0428364472ec6
RemcosRAT
d784bc304f14031f5a73fcabfcab0b95bdf49e1a0e7a067082aace9bad73b49e
RemcosRAT
f02203dbc984119217b3443be3b2e1c1ae8cace333e5927acb8539d09d9c365b
RemcosRAT
f1159a87f7772216b36caa432932ddd93cebabff65270ac9806a0e6046901982
RemcosRAT
+ 1'824 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/230403-hfrqhsdc39/
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks QEMU agent file
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
172.93.166.85:2404
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
Link:
https://www.unpac.me/results/ae6787cc-4370-45e9-a7d5-a99415783e76/
SH256 hash:
29fd451a165ea9920d326acf59e0546008354aa58e70106014d7c98d98973da8
MD5 hash:
1b0a703fa915336e899bb29afcf96858
SHA1 hash:
b847e0cb101d69cd4d46c666152550c72dd04e40
Link:
https://www.unpac.me/results/ae6787cc-4370-45e9-a7d5-a99415783e76/
Malware family:
GuLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/29fd451a165e/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Rule name:Suspicious_Macro_Presence
Create hunting rule
Author:Mehmet Ali Kerimoglu (CYB3RMX)
Description:This rule detects common malicious/suspicious implementations.

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/379522/

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