MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a6054541b371277854294a9db3aa1673097da435ab73c4cd70f5c794d648d741. 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
GuLoader
Vendor detections: 14
| SHA256 hash: | a6054541b371277854294a9db3aa1673097da435ab73c4cd70f5c794d648d741 |
|---|---|
| SHA3-384 hash: | 9513ea4671eae8df89ad198747c2ff855362f3b5a085ba2de3e1ed9b7a9f00d018b6052ee7ec08095e18ef5b8b086f39 |
| SHA1 hash: | 1638abdef5c3b151d44c07761f64f2a0a442bb0f |
| MD5 hash: | cc0a1c96c14263e48f82965ff47e0521 |
| humanhash: | edward-summer-don-thirteen |
| File name: | cc0a1c96c14263e48f82965ff47e0521 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 422'320 bytes |
| First seen: | 2023-06-15 04:26:16 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (525 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer) |
| ssdeep | 12288:S0+FrXbGM2i28hs/qhYPLSapCm6gcYYYdlo:S0YraPL/q6PuaQmmrYHo |
| Threatray | 1'608 similar samples on MalwareBazaar |
| TLSH | T1539423A56E34C4BBD8169A70CDD7C7F56E69AD14E810864F1B517F28BA33B80C61E3C2 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-02-26T05:02:38Z |
| Valid to: | 2026-02-25T05:02:38Z |
| Serial number: | 7a7fce574fd2dbd967b3c61a5e165acd1111e545 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 3c5469dc4489582aec638d7da596039a3220772f27833f094b043ff911a03fdc |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
305
Origin country :
FRVendor Threat Intelligence
Malware family:
remcos
ID:
1
File name:
cc0a1c96c14263e48f82965ff47e0521
Verdict:
Malicious activity
Analysis date:
2023-06-15 04:27:48 UTC
Tags:
remcos
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a process from a recently created file
Searching for the window
Sending a custom TCP request
Launching a process
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
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.
Verdict:
Unknown
Result
Threat name:
Remcos
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Installs a global keyboard hook
Multi AV Scanner detection for submitted file
Sigma detected: Remcos
Snort IDS alert for network traffic
Suspicious powershell command line found
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Very long command line found
Writes to foreign memory regions
Yara detected Remcos RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Adware.RedCap
Status:
Malicious
First seen:
2023-06-09 13:33:09 UTC
File Type:
PE (Exe)
Extracted files:
3
AV detection:
16 of 37 (43.24%)
Threat level:
1/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 1'598 additional samples on MalwareBazaar
Result
Malware family:
remcos
Score:
10/10
Tags:
family:guloader family:remcos botnet:awelle-host downloader rat
Behaviour
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Guloader,Cloudeye
Remcos
Malware Config
C2 Extraction:
gdyhjjdhbvxgsfe.gotdns.ch:2718
Unpacked files
SH256 hash:
a6054541b371277854294a9db3aa1673097da435ab73c4cd70f5c794d648d741
MD5 hash:
cc0a1c96c14263e48f82965ff47e0521
SHA1 hash:
1638abdef5c3b151d44c07761f64f2a0a442bb0f
Malware family:
Remcos
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
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: | 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: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Remcos |
|---|---|
| Author: | kevoreilly |
| Description: | Remcos Payload |
| Rule name: | REMCOS_RAT_variants |
|---|
| 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. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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