MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26. 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
| SHA256 hash: | 4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26 |
|---|---|
| SHA3-384 hash: | 5dcc7c4b1c34102ad76d7d7d13c52100660cd09f0d1529fa97a760f003374a7b700c3ad123534588799909acee3a81c5 |
| SHA1 hash: | ae5acc8af7e7386b7c68e3e98c2b7482c67a9545 |
| MD5 hash: | a2236c990a7f4f2ed9b4113579369423 |
| humanhash: | victor-april-berlin-ack |
| File name: | CH Robinson -DN-10+2.scr |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 931'328 bytes |
| First seen: | 2023-09-22 14:17:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger) |
| ssdeep | 24576:NhDy3vD45l63jpVEtiPIXKZDS4h4+dQPD:fivD4+tVdFJh4YQP |
| Threatray | 402 similar samples on MalwareBazaar |
| TLSH | T180152390A7BC5F64FCBD93F7607062C1597896535A22F32C0CD5A0AC3A9B7E04996E0F |
| 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) |
| Reporter |  abuse_ch |
| Tags: | exe RAT RemcosRAT scr |
Intelligence
File Origin
# of uploads :
1
# of downloads :
287
Origin country :
NLVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
CH Robinson -DN-10+2.scr
Verdict:
Malicious activity
Analysis date:
2023-09-22 14:20:53 UTC
Tags:
rat remcos remote stealer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Detection(s):
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Creating a window
Sending a custom TCP request
Restart of the analyzed sample
Unauthorized injection to a recently created process
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
masquerade packed remcos
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
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.
Verdict:
Unknown
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
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 modify clipboard data
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
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 submitted file
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)
Yara detected Remcos RAT
Yara detected UAC Bypass using CMSTP
Yara detected WebBrowserPassView password recovery tool
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Backdoor.Remcos
Status:
Malicious
First seen:
2023-09-22 08:25:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
18 of 22 (81.82%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
agenttesla
Similar samples:
+ 392 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:remotehost collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook accounts
Reads user/profile data of web browsers
NirSoft MailPassView
NirSoft WebBrowserPassView
Nirsoft
Remcos
Malware Config
C2 Extraction:
104.250.180.178:7902
Unpacked files
SH256 hash:
be4731e4aa22e9c1ad9a6a2da98c577b1364a8054523e06e7a63bffca5b7dc9b
MD5 hash:
068cafb9f364275abced607b81d88621
SHA1 hash:
d6801ee5be086ca38a87ed4b17355101410f77f2
Detections:
Remcos
win_remcos_auto
SH256 hash:
d4d5678b670977ae70f3797f601836b21e98bbbc875de0509943abd243c046c3
MD5 hash:
d39bd0c2eafcdca7ec6d692631d52ae0
SHA1 hash:
c0f1f6d03116044e3ca7ff8f5425f14b7dd0ac8c
SH256 hash:
4bd6c93d8dfd57297b5aaceba005b5ecf9b460b4d8ed787282dd005e221e1f6b
MD5 hash:
de8d024a1a882fbeb4b64dc4caad3e00
SHA1 hash:
7534ce4a33248c218b6034d0f8d39f6e6e7c5500
SH256 hash:
631c38cf652447128f262e600cc8783bdcb6d36f77e1d86b37f9fad749f6e997
MD5 hash:
c22c5bef73b2740fc1ccdf0e5a1cb7ea
SHA1 hash:
216ae0a5f45a184d3f62175703183277d93b87b6
SH256 hash:
7ec118e70613ce2d9aee29cda2918ca710dde346c68d4da75c2ea0402e6d4391
MD5 hash:
1622a62bf6805b2dca82a8632eceac71
SHA1 hash:
071b72a5a1231149dfe4b9fcfa3a6ee49265ab7c
SH256 hash:
4f4a8ff83672c8134227742b12e228e512d32e3c3dabb8e96bdc6b28628d3d26
MD5 hash:
a2236c990a7f4f2ed9b4113579369423
SHA1 hash:
ae5acc8af7e7386b7c68e3e98c2b7482c67a9545
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.61
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: | 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
Delivery method
Distributed via e-mail attachment
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