MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63. 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 29 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63
SHA3-384 hash: d3b95f73625be458d5d0ae408b691bf36d2705613ba67d81c8bec237ba81225195d64a71b94be829cf011e75a179e0fd
SHA1 hash: 46ebc7cf85a8f5dd54c987bee44cabcd76674c31
MD5 hash: 4f3e829290915b518cdb7493604c0426
humanhash: blossom-moon-speaker-fourteen
File name:4f3e829290915b518cdb7493604c0426
Download: download sample
Signature RemcosRAT
Create hunting rule
File size:893'440 bytes
First seen:2023-12-11 16:39:42 UTC
Last seen:2023-12-11 19:32:31 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'616 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:tItSAdewSw6BSl2KgIXiIiitHVd8c+xTi:tt5oZl2O6mMxp
Threatray 667 similar samples on MalwareBazaar
TLSH T1FA1523A877AEEB2BD9796FBD90B8CD34173085FAD405EA22ACC659D40F61700074B727
TrID 69.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.0% (.EXE) Win64 Executable (generic) (10523/12/4)
6.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.9% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Reporter zbetcheckin
Tags:32 exe RemcosRAT

Intelligence

File Origin
# of uploads :
2
# of downloads :
265
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
remcos
Create hunting rule
ID:
1
File name:
Company Profile.xls
Verdict:
Malicious activity
Analysis date:
2023-12-11 17:12:14 UTC
Tags:
phishing phishing-pdf opendir exploit cve-2017-11882 loader rat remcos remote stealer
Link:
https://app.any.run/tasks/22654304-2e39-440e-9aca-3cf0a3a62024

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Create hunting rule
Link:
https://www.capesandbox.com/analysis/465701/
Detection(s):
Porcupine.Malware.58887.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.PackedNET.2588.31013.27890.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Creating a process with a hidden window
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a file in the %temp% directory
Launching a process
Creating a file
DNS request
Sending an HTTP GET request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/65773b6f855eb2633d66d7a3/reports/3e0e1271-3c09-4df8-b443-9491997890c6/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63
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.
Result
Threat name:
Remcos, zgRAT
Create hunting rule
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1358701
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
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to bypass UAC (CMSTPLUA)
Contains functionality to modify clipboard data
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
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Sigma detected: Remcos
Sigma detected: Scheduled temp file as task from temp location
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)
Tries to steal Mail credentials (via file registry)
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Yara detected zgRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1358701 Sample: 7etGHKngSE.exe Startdate: 11/12/2023 Architecture: WINDOWS Score: 100 49 grantadistciaret.com 2->49 51 geoplugin.net 2->51 57 Found malware configuration 2->57 59 Malicious sample detected (through community Yara rule) 2->59 61 Antivirus detection for URL or domain 2->61 63 10 other signatures 2->63 8 7etGHKngSE.exe 7 2->8         started        12 CPxVTUqqImQPm.exe 5 2->12         started        signatures3 process4 file5 45 C:\Users\user\AppData\...\CPxVTUqqImQPm.exe, PE32 8->45 dropped 47 C:\Users\user\AppData\Local\...\tmp2A5F.tmp, XML 8->47 dropped 65 Uses schtasks.exe or at.exe to add and modify task schedules 8->65 67 Writes to foreign memory regions 8->67 69 Allocates memory in foreign processes 8->69 71 Adds a directory exclusion to Windows Defender 8->71 14 vbc.exe 3 13 8->14         started        18 powershell.exe 23 8->18         started        20 powershell.exe 23 8->20         started        22 schtasks.exe 1 8->22         started        73 Injects a PE file into a foreign processes 12->73 24 schtasks.exe 1 12->24         started        26 vbc.exe 12->26         started        signatures6 process7 dnsIp8 53 grantadistciaret.com 91.92.252.51, 3212, 49710, 49712 THEZONEBG Bulgaria 14->53 55 geoplugin.net 178.237.33.50, 49714, 80 ATOM86-ASATOM86NL Netherlands 14->55 81 Contains functionality to bypass UAC (CMSTPLUA) 14->81 83 Tries to steal Mail credentials (via file registry) 14->83 85 Contains functionalty to change the wallpaper 14->85 87 6 other signatures 14->87 28 vbc.exe 14->28         started        31 vbc.exe 14->31         started        33 vbc.exe 14->33         started        43 3 other processes 14->43 35 conhost.exe 18->35         started        37 conhost.exe 20->37         started        39 conhost.exe 22->39         started        41 conhost.exe 24->41         started        signatures9 process10 signatures11 75 Tries to steal Instant Messenger accounts or passwords 28->75 77 Tries to steal Mail credentials (via file / registry access) 28->77 79 Tries to harvest and steal browser information (history, passwords, etc) 31->79
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63
Detection:
remcos
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2023-12-11 16:40:08 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4mvwggulqkkdwjgzacepxics556gxnmrw26xlhdr7j52r33d7jrq._file
Verdict:
malicious
Label(s):
remcos
Create hunting rule
Similar samples:
23ef5db6584c6bd3842da3e3f7dc7ae7a4b9384cd078765d3752a20de5b9e774
RemcosRAT
a124ff6a1be6a2680e8c99779e401168bfe26e22b848a514ca76782c6d4b009f
RemcosRAT
a321afdf7017aa7e545bbea6ff63ed34b98769f54baf61874d7d05a2671dd152
RemcosRAT
a6f4cc71868a7d8aec62facc6f4956ad5ff605eb1614b415233b849801f9180b
RemcosRAT
b5deb3a04bc823e2177189360ba4b1cacaf393633d88512a338baccf2a8ac306
RemcosRAT
+ 657 additional samples on MalwareBazaar
Result
Malware family:
zgrat
Create hunting rule
Score:
  10/10
Tags:
family:remcos family:zgrat botnet:grace collection rat
Link:
https://tria.ge/reports/231211-t6jclsccar/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Uses the VBS compiler for execution
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Detect ZGRat V1
Remcos
ZGRat
Malware Config
C2 Extraction:
grantadistciaret.com:3212
Unpacked files
SH256 hash:
797e57bd74a68f7b4808a213f5c319ee4f4b023bc73088175d4393dfee9fe329
MD5 hash:
3c927935fbd608e7628cc2c5ad7d52fd
SHA1 hash:
ee0c880c0614ac960fd641f7d479233584aed1d8
Link:
https://www.unpac.me/results/17fb2177-c4fa-46de-8dd3-3c2d14ec6777/
SH256 hash:
1d759a12a237ac97fa835b535552994495074d8cfbd208aced57bbb78a82080b
MD5 hash:
2ceb5af19bec5826e429029f4626f020
SHA1 hash:
a3d20825c891308549ee9e13d017a2df114bbe96
Link:
https://www.unpac.me/results/17fb2177-c4fa-46de-8dd3-3c2d14ec6777/
SH256 hash:
cf0bc44ce17f3691873b5d4b1048d2ee37966fed0d6f9aefe82a63d5e3a44381
MD5 hash:
4c9dcdd5946caffba47fd4218404d384
SHA1 hash:
4f733af9d4a0eef8aa55968c2971f5d6ae1f0f57
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
win_remcos_rat_unpacked
Create hunting rule
Link:
https://www.unpac.me/results/17fb2177-c4fa-46de-8dd3-3c2d14ec6777/
Parent samples :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 hash:
7d968ee2ec1bf4c1bf9228f8f2794675de987ac83bac5f8c608963526a435ed3
MD5 hash:
1845455753429aeee7c7762ef407d8ea
SHA1 hash:
050f55f9458f419c8fec7b31cf80542849d33a76
Link:
https://www.unpac.me/results/17fb2177-c4fa-46de-8dd3-3c2d14ec6777/
SH256 hash:
e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63
MD5 hash:
4f3e829290915b518cdb7493604c0426
SHA1 hash:
46ebc7cf85a8f5dd54c987bee44cabcd76674c31
Link:
https://www.unpac.me/results/17fb2177-c4fa-46de-8dd3-3c2d14ec6777/
Malware family:
Remcos
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/e32b631a8b82/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63

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:BLOWFISH_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for Blowfish constants
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_EXE_Packed_MPress
Create hunting rule
Author:ditekSHen
Description:Detects executables built or packed with MPress PE compressor
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Create hunting rule
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
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:maldoc_getEIP_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Create hunting rule
Author:Willi Ballenthin
Rule name:meth_stackstrings
Create hunting rule
Author:Willi Ballenthin
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_imphash
Create hunting rule
Rule name:QbotStuff
Create hunting rule
Author:anonymous
Rule name:Remcos
Create hunting rule
Author:kevoreilly
Description:Remcos Payload
Rule name:REMCOS_RAT_variants
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:TeslaCryptPackedMalware
Create hunting rule
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
Rule name:yara_template
Create hunting rule

File information

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

Web download

RemcosRAT

Executable exe e32b631a8b82943b24d90088fba052ef7c6bb591b6bd759c71fa7ba8ef63fa63

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2739598/
Cape
Cape
https://www.capesandbox.com/analysis/465701/

Comments


Avatar
zbet commented on 2023-12-11 16:39:43 UTC

url : hxxp://172.245.142.51/1141/wlanext.exe