MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566. 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: 18


Intelligence 18 IOCs YARA 5 File information Comments
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SHA256 hash: 3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
SHA3-384 hash: c6a39539e679ed9e12b683e109c9e66bc486fa09e406f034f87edba16746289da18e7382c5fc90f6108053ff22ed2003
SHA1 hash: 800f741383f4f4027d70a5942fe4b263b592eed5
MD5 hash: 667060459d876845db2677ddc3d58488
humanhash: florida-nuts-cardinal-football
File name:018292540-LetterReguranPPI-20230814215304.PDF.exe
Download: download sample
Signature RemcosRAT
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File size:918'528 bytes
First seen:2024-11-22 13:15:39 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 24576:vMy1GyhxutkS+BwTCEGh0BV0i7OqD4uTfV:LFhxutkdeCEGmB6uD4uD
TLSH T165152268AE69EB63C85257FA0172D77643B59E5CE465C3078EEDECEB3405F1CB900282
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10522/11/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4504/4/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
Reporter NDA0E
Tags:exe FakePDF geo GRC RemcosRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
430
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
remcos
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ID:
1
File name:
018292540-LetterReguranPPI-20230814215304.PDF.exe
Verdict:
Malicious activity
Analysis date:
2024-11-22 13:21:29 UTC
Tags:
rat remcos remote evasion
Link:
https://app.any.run/tasks/5bcb9d9a-d408-4e28-98f1-3e7b8bb7a556

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Siggen30.2837.9546.32195.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6740849bb31374f098337348
Tags:
keylog virus gates
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Сreating synchronization primitives
Setting a keyboard event handler
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade packed packed packer_detected
Link:
https://www.filescan.io/uploads/67408418fbec06b76a1a5091/reports/2030800f-5268-48d0-8775-a1aa86a3f4bc/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b8f13a78-ba75-4aa0-aff8-e496673b2433
Result
Threat name:
Remcos
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Detection:
malicious
Classification:
rans.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1560895
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to register a low level keyboard hook
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Contains functionalty to change the wallpaper
Delayed program exit found
Found malware configuration
Initial sample is a PE file and has a suspicious name
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Double Extension File Execution
Suricata IDS alerts for network traffic
Uses an obfuscated file name to hide its real file extension (double extension)
Yara detected AntiVM3
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566/
Threat name:
ByteCode-MSIL.Trojan.CrypterX
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Status:
Malicious
First seen:
2024-11-13 15:03:44 UTC
File Type:
PE (.Net Exe)
Extracted files:
6
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hyeazs2bkkmtcsaymgbi35vczizlaopnail23twlqmsupwg2avta._file
Verdict:
malicious
Label(s):
remcos
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unknown_loader_037
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Similar samples:
error
RemcosRAT
Result
Malware family:
remcos
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Score:
  10/10
Tags:
family:remcos botnet:host discovery rat
Link:
https://tria.ge/reports/241122-qhsplaxldq/
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Remcos
Remcos family
Malware Config
C2 Extraction:
oyo.work.gd:3142
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/251387b0-9a6b-49d6-820a-fceba19c1719
Unpacked files
SH256 hash:
152c1fac822364124f0636a4fd1fce2116119ec4cc4fec497e5ecfb04dab5f4a
MD5 hash:
1aba35e85e7363eefbd8a7beffaac53f
SHA1 hash:
c5ee4d5bb7604e90909a0525d3c91aa21d0d4c62
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
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SUSP_OBF_NET_Reactor_Indicators_Jan24
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Link:
https://www.unpac.me/results/de1814f8-d31a-457a-8a01-ef6dd8dd6774/
SH256 hash:
f8cb87a5eec2b581bffa87a642e1cbc0c1b75ead3c8bba4ff50705f028eb20e6
MD5 hash:
2d3799641bce1b1e2dfc5f219c788c1b
SHA1 hash:
317344a72c22766e4d720ffd72395fc263fd386a
Detections:
win_remcos_auto
Create hunting rule
win_remcos_w0
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malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
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win_remcos_rat_unpacked
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Link:
https://www.unpac.me/results/de1814f8-d31a-457a-8a01-ef6dd8dd6774/
Parent samples :
34956fb0874a7093f7e246b475a97acc90e312c3c762a09f69d9933b0837f59f
06d30761437ffb30ac9ac077bb3761b5e4c077f3b74f8ed3b7372e104dccf83f
a70404d3f9f9fc5e48ac266731e1b3b5a780ae9b0ba15e865418e5f908aa6178
efbc15ccbe9e7b1f1648d94c5e38e3149bff5d33ad93c0a56e68db648050509a
3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
SH256 hash:
649d2c4efaf5c2b29c0593d20937269f10846154095714abc45cc2636b5f6b85
MD5 hash:
91afa6193dbe35d59c3c9d3b478ae493
SHA1 hash:
239a7ee81783a40fe07227204d353f6be36a887c
Link:
https://www.unpac.me/results/de1814f8-d31a-457a-8a01-ef6dd8dd6774/
SH256 hash:
3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566
MD5 hash:
667060459d876845db2677ddc3d58488
SHA1 hash:
800f741383f4f4027d70a5942fe4b263b592eed5
Link:
https://www.unpac.me/results/de1814f8-d31a-457a-8a01-ef6dd8dd6774/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3e080ccb4152/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Remcos
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566

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:NET
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Author:malware-lu
Rule name:pe_imphash
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Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
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Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information

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

Malspam

RemcosRAT

gz 90c1a3b51b8c4b00bbb8eaef1ac7677592c08d3b3f6edeeb32a45a4b3c902e51

RemcosRAT

Executable exe 3e080ccb41529931481861828df6a2ca32b039ed0217adcecb832547d8da0566

(this sample)

  
Dropped by
SHA256 90c1a3b51b8c4b00bbb8eaef1ac7677592c08d3b3f6edeeb32a45a4b3c902e51
  
Dropped by
SHA256 38bf1b283154bc20e3812e560d75bc85baa3f74458a8577b570ba26f0637f2f7
  
Dropped by
MD5 991e74cd88afb9523f61cda0a450f2a3
  
Dropped by
MD5 8c11cdd82ea8e4881521ca1907854077

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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