MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 308d44c8ce98023c0712fe824c49b0d7b82aa6af0fe5e25b78b6b0d3d0635453. 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
| SHA256 hash: | 308d44c8ce98023c0712fe824c49b0d7b82aa6af0fe5e25b78b6b0d3d0635453 |
|---|---|
| SHA3-384 hash: | c22a67b495de16388f0ba49b8042b811e80d5792a78b7fd955b6e3f7347aaa55df7fdc0c8acdc10c65a377c6600f206d |
| SHA1 hash: | bb546caaa3b089c06cd5ab1ba9b30c35314a32f7 |
| MD5 hash: | 3cbe6627d771102db3b2ab06cbf6d940 |
| humanhash: | happy-asparagus-six-bluebird |
| File name: | plugzx.exe |
| Download: | download sample |
| Signature | RemcosRAT |
| File size: | 760'832 bytes |
| First seen: | 2024-01-30 13:26:44 UTC |
| Last seen: | 2024-01-30 15:23:22 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 12288:Gr0+mHhd9kPZvsWMZzOAA1/mGGYwbbvBJ/Bce0nskIISDlLIkn3RqFFFFFFx+zho:Gr0+mHhd9kPZEWpAWk/Ce0rSY+zh1Itf |
| Threatray | 3'658 similar samples on MalwareBazaar |
| TLSH | T1ECF412E5E68E43A7D7D52939FEA535E40AF4F61138C39F2E60A8123F06B37064D1A760 |
| TrID | 35.4% (.EXE) Win64 Executable (generic) (10523/12/4) 22.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 15.1% (.EXE) Win32 Executable (generic) (4505/5/1) 6.9% (.ICL) Windows Icons Library (generic) (2059/9) 6.8% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 8606460e0f397536 (3 x AgentTesla, 2 x Loki, 2 x Formbook) |
| Reporter |  e24111111111111 |
| Tags: | exe RemcosRAT |
Intelligence
File Origin
# of uploads :
2
# of downloads :
299
Origin country :
GRVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
INQ # 8721.doc
Verdict:
Malicious activity
Analysis date:
2024-01-30 04:59:43 UTC
Tags:
rat remcos remote exploit cve-2017-11882 keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Remcos
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending a custom TCP request
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
lolbin packed remcos remote
Verdict:
Malicious
Labled as:
Trojan.Generic
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
Verdict:
Malicious
Result
Threat name:
Remcos
Detection:
malicious
Classification:
rans.phis.troj.spyw.expl.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
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 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 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 submitted file
Sigma detected: Remcos
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:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.Remcos
Status:
Malicious
First seen:
2024-01-29 17:42:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
7
AV detection:
20 of 24 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
remcos
Similar samples:
+ 3'648 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos botnet:b70inc collection rat spyware stealer
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Program crash
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:
7070bc8.sytes.net:6696
Unpacked files
SH256 hash:
45c7b64a55dca23ee1239649e03a7c361813dbcfc2a0817b0d8e94c907d6ed4b
MD5 hash:
fb1bc19121c4e190d83672bc71b493f0
SHA1 hash:
c3488b969ba578e28ee360be24b6416425a224a0
SH256 hash:
3ffe86bf1ac317e3b37302273d4a91c695c934a9b7f97538ee3ea901a2e8649a
MD5 hash:
86afc9ef304e9d21b9d8453f0649105e
SHA1 hash:
b91ad870f68e7de630f1dd20a801e67495e018f1
SH256 hash:
ef65d5fc33b67069bb98465761a5100b81c8759b331ec0341c9fd0e2209e1076
MD5 hash:
199796bdcb4792f963e8b7454e11374f
SHA1 hash:
6a066d110be7d6402726f84392fe71d74b9be97e
Detections:
Remcos
win_remcos_w0
win_remcos_auto
malware_windows_remcos_rat
INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
SH256 hash:
308d44c8ce98023c0712fe824c49b0d7b82aa6af0fe5e25b78b6b0d3d0635453
MD5 hash:
3cbe6627d771102db3b2ab06cbf6d940
SHA1 hash:
bb546caaa3b089c06cd5ab1ba9b30c35314a32f7
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
iSpy Keylogger
Score:
1.00
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | iexplorer_remcos |
|---|---|
| Author: | iam-py-test |
| Description: | Detect iexplorer being taken over by Remcos |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM |
|---|---|
| Author: | ditekSHen |
| Description: | Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) |
| Rule name: | maldoc_find_kernel32_base_method_1 |
|---|---|
| Author: | Didier Stevens (https://DidierStevens.com) |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_imphash |
|---|
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Trojan_Remcos_b296e965 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_remcos_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.remcos. |
| Rule name: | win_remcos_w0 |
|---|---|
| Author: | Matthew @ Embee_Research |
| Description: | Detects strings present in remcos rat Samples. |
| Rule name: | yarahub_win_remcos_rat_unpacked_aug_2023 |
|---|---|
| Author: | Matthew @ Embee_Research |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Malspam
doc 
Delivery method
Distributed via web download
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