MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1c6359877d20878968af7beddced849db2e38e1ca64e6e5c6c6ddff6801aad97. 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 4 File information Comments

SHA256 hash: 1c6359877d20878968af7beddced849db2e38e1ca64e6e5c6c6ddff6801aad97
SHA3-384 hash: b332f24823fe4191a0b2119df60bd3758c98bca2782a191580d24ed1f044981eb1bc7843b35070360f6c039671d6e0e4
SHA1 hash: bba6010cf2e073bb6be5913d39f4f18e5fe50a4a
MD5 hash: 7d8d3fbf01d7303dc85d5afb65fc1bda
humanhash: west-lima-bluebird-mexico
File name:po-503211.exe
Download: download sample
Signature RemcosRAT
File size:1'037'824 bytes
First seen:2023-12-05 07:10:51 UTC
Last seen:2023-12-05 09:17:51 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 24576:7lNEOetXfU0xDNqWBSwUjwig6fyCIKndXqx4TrAgJxHhbF:JgtXfUoAWQwgwZ6fyCIK1qx4Asb
Threatray 523 similar samples on MalwareBazaar
TLSH T15E2523E2B645CEEDDC1D0FB1583B812012B92D9E14A1E80E79D87E1F3A733135466B67
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) (4505/5/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
File icon (PE):PE icon
dhash icon 68d8d8c8d9a9c1d9 (96 x SnakeKeylogger, 67 x RemcosRAT, 66 x Formbook)
Reporter abuse_ch
Tags:exe RemcosRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
325
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
po-503211.exe
Verdict:
Malicious activity
Analysis date:
2023-12-05 07:16:54 UTC
Tags:
rat remcos remote stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a window
Сreating synchronization primitives
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
packed remcos
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:
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
Adds a directory exclusion to Windows Defender
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Maps a DLL or memory area into another process
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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
Yara detected AntiVM3
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1353753 Sample: po-503211.exe Startdate: 05/12/2023 Architecture: WINDOWS Score: 100 45 geoplugin.net 2->45 51 Multi AV Scanner detection for domain / URL 2->51 53 Found malware configuration 2->53 55 Malicious sample detected (through community Yara rule) 2->55 57 14 other signatures 2->57 8 po-503211.exe 7 2->8         started        12 gedwHgA.exe 5 2->12         started        signatures3 process4 file5 41 C:\Users\user\AppData\Roaming\gedwHgA.exe, PE32 8->41 dropped 43 C:\Users\user\AppData\Local\...\tmpB171.tmp, XML 8->43 dropped 59 Tries to steal Mail credentials (via file registry) 8->59 61 Uses schtasks.exe or at.exe to add and modify task schedules 8->61 63 Contains functionality to modify clipboard data 8->63 71 2 other signatures 8->71 14 po-503211.exe 3 14 8->14         started        18 powershell.exe 23 8->18         started        20 schtasks.exe 1 8->20         started        65 Antivirus detection for dropped file 12->65 67 Multi AV Scanner detection for dropped file 12->67 69 Contains functionality to bypass UAC (CMSTPLUA) 12->69 73 6 other signatures 12->73 22 schtasks.exe 1 12->22         started        24 gedwHgA.exe 12->24         started        signatures6 process7 dnsIp8 47 198.27.121.194, 2024, 49732, 49733 OVHFR Canada 14->47 49 geoplugin.net 178.237.33.50, 49736, 80 ATOM86-ASATOM86NL Netherlands 14->49 81 Tries to harvest and steal browser information (history, passwords, etc) 14->81 83 Maps a DLL or memory area into another process 14->83 26 po-503211.exe 14->26         started        29 po-503211.exe 14->29         started        31 po-503211.exe 14 14->31         started        33 conhost.exe 14->33         started        35 conhost.exe 18->35         started        37 conhost.exe 20->37         started        39 conhost.exe 22->39         started        signatures9 process10 signatures11 75 Tries to steal Instant Messenger accounts or passwords 26->75 77 Tries to steal Mail credentials (via file / registry access) 26->77 79 Tries to harvest and steal browser information (history, passwords, etc) 29->79
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2023-12-05 06:17:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
15 of 22 (68.18%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:remcos botnet:host-g collection rat spyware stealer
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Checks computer location settings
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
198.27.121.194:2024
Unpacked files
SH256 hash:
3e4574c67cca54874c11234eecc52428de9c8539a8b882232ade38ee0cadf545
MD5 hash:
e4d9d2cbb2d53ed4dd3a0d4a760fbbf9
SHA1 hash:
3af74a2265e9504174d6397b28d40d9e0dfb1b9b
Detections:
Remcos win_remcos_w0 win_remcos_auto malware_windows_remcos_rat INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM win_remcos_rat_unpacked
SH256 hash:
4a35390eaa5a0b63a425e13d7f9cc53c434974518588b90db938c68fd4bd4cd4
MD5 hash:
a7f90e9b2e52a930225bf7348deb9646
SHA1 hash:
fe62a037af9e65a088b98591255e075d7fdf48ce
SH256 hash:
d01f3dea3851602ba5a0586c60430d286adf6fcc7e17aab080601a66630606e5
MD5 hash:
579197d4f760148a9482d1ebde113259
SHA1 hash:
cf6924eb360c7e5a117323bebcb6ee02d2aec86d
SH256 hash:
0d7f6a1435b965d52ff57b970c7f83ce4510478e2a5775fd59e8907075bf447e
MD5 hash:
4a861f100fd4a090e5c68922235d9e85
SHA1 hash:
7a7744a449235bdd8cafbc334fa84cdf4da93cf5
SH256 hash:
1c6359877d20878968af7beddced849db2e38e1ca64e6e5c6c6ddff6801aad97
MD5 hash:
7d8d3fbf01d7303dc85d5afb65fc1bda
SHA1 hash:
bba6010cf2e073bb6be5913d39f4f18e5fe50a4a
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:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Malspam

RemcosRAT

Executable exe 1c6359877d20878968af7beddced849db2e38e1ca64e6e5c6c6ddff6801aad97

(this sample)

  
Delivery method
Distributed via e-mail attachment

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