MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64. 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: 17


Intelligence 17 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64
SHA3-384 hash: c63b6c77a889751f38caa217a1109a3e5ede679a9d0f335913fbc156e3b3fcca53f30687350ea93d432328c1cb0d7f21
SHA1 hash: f63a902f11d290a2c911cd8cee578d3473988f86
MD5 hash: 365ad7177f0c8705b517a28b2f6ccc4b
humanhash: island-sodium-batman-william
File name:hesaphareketi-01.PDF.exe
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:504'979 bytes
First seen:2023-03-29 07:46:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 61259b55b8912888e90f516ca08dc514 (1'059 x Formbook, 741 x AgentTesla, 427 x GuLoader)
ssdeep 12288:BYUlcPxUKnIHsYN7w7hs0mM1z48ry7EOQ:BYUgx6MYx1wdu7jQ
TLSH T1ABB41200A164D522D5A205B39C6D50ABAF6DE91694D7A28F3BF12F5D7E7B382C80F313
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 60e9e9e9ccccacd8 (3 x SnakeKeylogger, 1 x RemcosRAT, 1 x PureCrypter)
Reporter abuse_ch
Tags:exe geo RemcosRAT TUR

Intelligence

File Origin
# of uploads :
1
# of downloads :
249
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
hesaphareketi-01.PDF.exe
Verdict:
Malicious activity
Analysis date:
2023-03-29 07:57:46 UTC
Tags:
rat remcos
Link:
https://app.any.run/tasks/bbd813d1-345e-443a-a441-1757349e81ac

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/378408/
Detection(s):
Sanesecurity.Malware.28947.BadP.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a window
Creating a process from a recently created file
Creating a file in the %AppData% subdirectories
Сreating synchronization primitives
Setting a keyboard event handler
Launching a process
DNS request
Searching for synchronization primitives
Creating a file
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Forced shutdown of a system process
Unauthorized injection to a system process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/75571/overview
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
comodo nemesis overlay packed remcos shell32.dll
Link:
https://www.filescan.io/uploads/6423ecfa54ddd53260845625/reports/a882b10e-84cf-4210-bc84-c1f782b558c6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64
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.
Malware family:
REMCOS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/d4e9a30c-b717-4482-a3d9-bec00967a5b0
Result
Threat name:
Remcos, Play
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1204100
Signature
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to inject code into remote processes
Contains functionality to steal Chrome passwords or cookies
Contains functionality to steal Firefox passwords or cookies
Delayed program exit found
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Initial sample is a PE file and has a suspicious name
Installs a global keyboard hook
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses process hollowing technique
Sigma detected: Remcos
Uses an obfuscated file name to hide its real file extension (double extension)
Uses dynamic DNS services
Writes to foreign memory regions
Yara detected Play Ransomware
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 837019 Sample: hesaphareketi-01.PDF.exe Startdate: 29/03/2023 Architecture: WINDOWS Score: 100 64 ennenbach.duckdns.org 2->64 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus detection for URL or domain 2->72 74 Multi AV Scanner detection for submitted file 2->74 76 8 other signatures 2->76 10 hesaphareketi-01.PDF.exe 19 2->10         started        13 jsnwgcl.exe 2->13         started        16 jsnwgcl.exe 2->16         started        signatures3 process4 file5 60 C:\Users\user\AppData\Local\Temp\tkozpd.exe, PE32 10->60 dropped 18 tkozpd.exe 1 2 10->18         started        86 Multi AV Scanner detection for dropped file 13->86 22 WerFault.exe 10 13->22         started        24 WerFault.exe 16->24         started        signatures6 process7 dnsIp8 58 C:\Users\user\AppData\Roaming\...\jsnwgcl.exe, PE32 18->58 dropped 78 Multi AV Scanner detection for dropped file 18->78 80 Contains functionality to bypass UAC (CMSTPLUA) 18->80 82 Detected unpacking (changes PE section rights) 18->82 84 6 other signatures 18->84 27 tkozpd.exe 4 3 18->27         started        66 192.168.2.1 unknown unknown 24->66 file9 signatures10 process11 dnsIp12 68 ennenbach.duckdns.org 193.42.33.155, 49692, 49693, 49703 EENET-ASEE Germany 27->68 62 C:\ProgramData\remcos\logs.dat, data 27->62 dropped 88 Writes to foreign memory regions 27->88 90 Maps a DLL or memory area into another process 27->90 92 Sample uses process hollowing technique 27->92 94 Installs a global keyboard hook 27->94 32 svchost.exe 27->32         started        34 svchost.exe 27->34         started        36 svchost.exe 27->36         started        38 6 other processes 27->38 file13 signatures14 process15 process16 40 WerFault.exe 23 9 32->40         started        42 WerFault.exe 2 9 32->42         started        44 WerFault.exe 9 34->44         started        46 WerFault.exe 34->46         started        48 WerFault.exe 36->48         started        50 WerFault.exe 36->50         started        52 WerFault.exe 38->52         started        54 WerFault.exe 38->54         started        56 3 other processes 38->56
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64/
Threat name:
Win32.Trojan.Leonem
Create hunting rule
Status:
Malicious
First seen:
2023-03-29 07:47:10 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ow2fzesla6llfxmwxfxjmawgaonrrzn6fda5n5o5t26p2bti7vsa._file
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:remotehost persistence rat
Link:
https://tria.ge/reports/230329-jmh8dsgh91/
Behaviour
Modifies registry class
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Adds Run key to start application
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Remcos
Malware Config
C2 Extraction:
ennenbach.duckdns.org:5800
Unpacked files
SH256 hash:
c61e8545db16fb762d4ce22f55d7b4b7ae544e9353499e0b7faddb79e0f8b28b
MD5 hash:
22b5558b087c651bd3355c24843882a4
SHA1 hash:
35580e33b3cf0c4b55c881c874c4bf4af0e8a11e
Detections:
Remcos
Create hunting rule
win_remcos_auto
Create hunting rule
Link:
https://www.unpac.me/results/bc03ea53-d6e0-469d-b78d-e71f6c302c4e/
Parent samples :
75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64
3ba0e0a20d46ffeda99975fbbb27d535a5cbc149b6b8ee30c66c690e1a71c627
cbeb5d87de099ac454539a287b3c20c7cb4daee733800eb57ca7d589ccb406e9
SH256 hash:
4663d0ea4c74d2b970c6fc86f0ba4bb8d947c3edafb225bf112d50d949aed244
MD5 hash:
1d0ae4911c6cf7f974e6c5a98a48bba1
SHA1 hash:
acb0a0f99549fb95c44fc36db4ce6a599bdcd0f4
Link:
https://www.unpac.me/results/bc03ea53-d6e0-469d-b78d-e71f6c302c4e/
SH256 hash:
75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64
MD5 hash:
365ad7177f0c8705b517a28b2f6ccc4b
SHA1 hash:
f63a902f11d290a2c911cd8cee578d3473988f86
Link:
https://www.unpac.me/results/bc03ea53-d6e0-469d-b78d-e71f6c302c4e/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/75b45c924b07/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/75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64

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:iexplorer_remcos
Create hunting rule
Author:iam-py-test
Description:Detect iexplorer being taken over by Remcos
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Author:ditekSHen
Description:Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003)
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:Windows_Trojan_Remcos_b296e965
Create hunting rule
Author:Elastic Security
Rule name:win_remcos_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.remcos.

File information

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

Malspam

RemcosRAT

Executable exe 75b45c924b0796b2dd96b96e9602c6039b18e5be28c1d6f5dd9ebcfd0668fd64

(this sample)

  
Delivery method
Distributed via e-mail attachment
Cape
Cape
https://www.capesandbox.com/analysis/378408/

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