MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57. 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 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
SHA3-384 hash: 87972936845466d726b803e7effce6b194e37c8fe9396a82d4bb7cf0a1df2a023b9bd3cba8ccccaa724daed46bfe04c8
SHA1 hash: 5fc5cc2f01624ad85a1cd5490be4365ff2b0d4cf
MD5 hash: 045559d993ca1b96e8d6c92c5dfcc042
humanhash: may-freddie-seven-zulu
File name:d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:951'808 bytes
First seen:2024-03-04 15:01:35 UTC
Last seen:2024-03-04 16:28:57 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'737 x AgentTesla, 19'596 x Formbook, 12'241 x SnakeKeylogger)
ssdeep 24576:PZAfx4tmJvnhNuNu7NFnbp4bzfp06VdU08/kWL0Dj:se4dPwu7vkzm2lmkq0n
Threatray 3'637 similar samples on MalwareBazaar
TLSH T133152372A6A66B0AF83C93F90575309003F66762F282F7915CD2B0C95A42B2185F77B7
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10523/12/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter adrian__luca
Tags:exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
371
Origin country :
HU HU
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57.exe
Verdict:
Malicious activity
Analysis date:
2024-03-04 15:27:54 UTC
Tags:
remcos rat keylogger
Link:
https://app.any.run/tasks/86fa0d06-b7d8-4e88-b585-077890dfb99b

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
SecuriteInfo.com.Trojan.Packed2.46253.11149.17122.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Setting a keyboard event handler
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
formbook packed
Link:
https://www.filescan.io/uploads/65e5e26d06b24253d236cf20/reports/6b710cf8-87d6-4de8-97ad-0f52223cf08e/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
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/15ddd0da-86fb-4144-9702-1ebacde4dd92
Result
Threat name:
Remcos, PureLog Stealer
Create hunting rule
Detection:
malicious
Classification:
rans.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402765
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Adds a directory exclusion to Windows Defender
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
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
Injects a PE file into a foreign processes
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected PureLog Stealer
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1402765 Sample: m1p7Gjh1dI.exe Startdate: 04/03/2024 Architecture: WINDOWS Score: 100 42 Found malware configuration 2->42 44 Malicious sample detected (through community Yara rule) 2->44 46 Antivirus detection for URL or domain 2->46 48 12 other signatures 2->48 7 ngZOlCw.exe 5 2->7         started        10 m1p7Gjh1dI.exe 7 2->10         started        process3 file4 52 Multi AV Scanner detection for dropped file 7->52 54 Contains functionality to bypass UAC (CMSTPLUA) 7->54 56 Contains functionalty to change the wallpaper 7->56 64 5 other signatures 7->64 13 schtasks.exe 1 7->13         started        15 ngZOlCw.exe 7->15         started        36 C:\Users\user\AppData\Roaming\ngZOlCw.exe, PE32 10->36 dropped 38 C:\Users\user\AppData\Local\...\tmp93A4.tmp, XML 10->38 dropped 58 Uses schtasks.exe or at.exe to add and modify task schedules 10->58 60 Adds a directory exclusion to Windows Defender 10->60 62 Injects a PE file into a foreign processes 10->62 17 m1p7Gjh1dI.exe 3 2 10->17         started        22 powershell.exe 22 10->22         started        24 schtasks.exe 1 10->24         started        signatures5 process6 dnsIp7 26 conhost.exe 13->26         started        40 89.249.73.162, 2479 M247GB United Kingdom 17->40 34 C:\ProgramData\remcos\logs.dat, data 17->34 dropped 50 Installs a global keyboard hook 17->50 28 WmiPrvSE.exe 22->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        file8 signatures9 process10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57/
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2024-02-16 14:55:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=3fz52tdey5juztwkbk6na6axii3e5jssy2v4x2banf3tiw3trjlq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
1c127eebd7d602e5dfd453c901c61d4f41304eaeee33d2aca87db7e08b0a6292
RemcosRAT
48864de26230a966a7b91425ec7f388726e8ddc5fea72f686d551dc49654cbc1
RemcosRAT
56d99633ed941aebdaf59b2bb4ecb029175cd1110563e74e80a500510082579a
RemcosRAT
8efed2063a46f5fcc92d1a8c625c79700ee8fef6a4c6a919887ab8c96b8a7073
RemcosRAT
a090d4d19e61d32cc67cbbcd57124becd412d1e9f7d8d8ed896da4d2d689dc7f
RemcosRAT
+ 3'627 additional samples on MalwareBazaar
Result
Malware family:
remcos
Create hunting rule
Score:
  10/10
Tags:
family:remcos botnet:sthost rat
Link:
https://tria.ge/reports/240304-sefa7sdb4y/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Checks computer location settings
Remcos
Malware Config
C2 Extraction:
89.249.73.162:2479
Unpacked files
SH256 hash:
ab3d870b57ffaac449078340a00ba6e0b2bd551444b1fd04fb2e26f80591f044
MD5 hash:
45e5bc690da784b17a8712f0c9d90b9e
SHA1 hash:
ee44c7590640799d7cf17e7fea505d0fea1741f0
Detections:
INDICATOR_EXE_Packed_SmartAssembly
Create hunting rule
Link:
https://www.unpac.me/results/a40dd39c-2cf8-4bfb-baab-a8dd5380a990/
Parent samples :
bd6cc17506faa8bcefc0131b2017636381df3ff71a2a58399facf165cb877140
986b0bd9617fe3f2a0956754996c45298cdc3cdd2703ec837fa2d966028f5c8c
3f71cd633e4008724884843131ed3d03c8d6613882f81a8afc615ad30f841dfe
e1b2bdcecafc712713647e95e0a5eb4f66c180d2fe0a357016772a85f7a0b86c
40da62228f91967f460b5722e0b8ad3935534b163b62ed62f9314ea6331fe89c
22b2daef8e8806a91e0c408f7d00ff1fa1e8bf902af3e0975a621d076cd60f28
a9359763ff1173541367f262ddfe77cf70ce3656976e6b087bc1531d81f880bf
1b1f97279cf2908be5f7f576dac2e2eb7a657eafac602e4bdc1367d94b69e7cc
c41dd0baefd5ef67d6be4acec7c9e0dc7d87b56800ff9df9424eb72731c504af
2a0597aec4b365dd5793a428f24d44996565c875ce34adf6a59ccd98c8c27562
e0a542a41badfacb07736f419450f252f15e42b969385e99ad0b2c41487cc476
7dee9fefa212bc40871203536b5eaa48d661e84de62e30ba8837666a843df0d6
2de5faa16c405e6a3bc14b9d31a82cc389290066b36ed8f0d99d7cd53b1b1d1d
7145bd1637fdc8111b86d7586c07526d2c9db8f4e2f30d99ea9740feecfd3d2a
6303997ee7991fdfe0c2e0807c3d961fbae0cc5542a68ca7d39851bdf9a5cc55
66c5379be5b060d3c326f5689a014ba5c010f16ab13b06de21dc937bce8ae86a
d57bd0f4e9c749e3236908ed76d66c9d28f3d0d29809a90a95c9b90ee166f141
d734447cac7e7f4656b9eeae3a3afbbbdb5de5383a086258e8c2bbd60af69489
a111c4f71eff009bd6e9bfb327109bcde57864c37c6fdd14d037f35ac859c765
c4e8c058d4f4a9976ca89a275963e6c4e2b3a2a7e90ad2dd095e173c2f5859bf
f73f985bf2f74cc1006a5e911bbd7940073809b01da2823a6bb1db85288c0926
e058ee458d911d2c8778766389ef9c2592ac8050e319f3ea6beef56efd5fb9af
04377a42bf3b120450e0e71b6a956705c367098a7e003113a26e9161166684e5
06133605a88c42132a6efdf6997577196e3f82ce95016acf1e0e87abf954016e
a4f509e7ddd46a832bc8deed743dd03adffc1b613adcffdf751b39a48f540af8
8efed2063a46f5fcc92d1a8c625c79700ee8fef6a4c6a919887ab8c96b8a7073
1c0d0e6c674b7d5727233d536d6aa7d6c0264eaac47cebce01729bcd21764896
cb5b277fe1e24b4d0838756c2713ec39a84b3bb973b5759552666497ccbf7e12
d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
SH256 hash:
72638f4b30cc9dab51d31216991957bf1cd118b8a8743227b3e8f9c4805f7628
MD5 hash:
2a8240bba06e832ee5d136a0a7e5b5b9
SHA1 hash:
de49d9b33004a4a622a4279b3ee2b3e3e5cd012b
Link:
https://www.unpac.me/results/a40dd39c-2cf8-4bfb-baab-a8dd5380a990/
SH256 hash:
0b8853d91da3ca4887726275f2ec182008025a0013e1642b7daf8acb5e048938
MD5 hash:
0c6f07eb66aba7649f7c6c1dc7af1d5a
SHA1 hash:
2e33ec0ce2735fe0ab206da785f0ea55f5b8f482
Link:
https://www.unpac.me/results/a40dd39c-2cf8-4bfb-baab-a8dd5380a990/
SH256 hash:
5f7e634c3e7e703beb1aff63e044e119060770a78e5e475623bdb4412b72abd2
MD5 hash:
52b845aced1e9e909338ae049d85a400
SHA1 hash:
082461a36d7acf1362cd8755a50d400575deb764
Detections:
Remcos
Create hunting rule
win_remcos_w0
Create hunting rule
win_remcos_auto
Create hunting rule
malware_windows_remcos_rat
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
Create hunting rule
Link:
https://www.unpac.me/results/a40dd39c-2cf8-4bfb-baab-a8dd5380a990/
Parent samples :
c0b13c8cf91f75fb3ae9448b92656ccf90dbf374855d10add7d8a972bdc5d5b4
70543b4c967b3f474e895b299d778cd3b64e321f654ec02f580ff2d3ad7813e6
11db56471fe5f1c245d9fa8f6cfb9a86bd2aeb444c38cfd1c8ef159ec539c065
d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
2400e5356331123e2b6f8f27c824c7850acf55c92ba6554c81883b9dc94570d5
efbde8c3fc0f8f18b6b2c93fae4c7aaaa137f866a9d112ebdc534b8477485261
3dbe769bb2675de3bada40f257ce820b7356c2acb79bb3d4509d145fc9150772
SH256 hash:
d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57
MD5 hash:
045559d993ca1b96e8d6c92c5dfcc042
SHA1 hash:
5fc5cc2f01624ad85a1cd5490be4365ff2b0d4cf
Link:
https://www.unpac.me/results/a40dd39c-2cf8-4bfb-baab-a8dd5380a990/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/d973dd4c64c7/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/d973dd4c64c7534cceca0abcd0781742364ea652c6abcbe8206977345b738a57

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:AgentTesla_DIFF_Common_Strings_01
Create hunting rule
Author:schmidtsz
Description:Identify partial Agent Tesla strings
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
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.
Rule name:win_remcos_w0
Create hunting rule
Author:Matthew @ Embee_Research
Description:Detects strings present in remcos rat Samples.
Rule name:yarahub_win_remcos_rat_unpacked_aug_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

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

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

Comments