MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 1664c6a330c5b318458518ea71b2a9995a91c79281a050278c3aa2388663a986. 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: 12
| SHA256 hash: | 1664c6a330c5b318458518ea71b2a9995a91c79281a050278c3aa2388663a986 |
|---|---|
| SHA3-384 hash: | 583e3c4d40debed32f4fafb544ea88d39ffd8ab4c8217616414ca92e9dbaa6094e8afafbc1241709e58235bddf367b00 |
| SHA1 hash: | f07e9e5e618b14b0dd5478cb2a26f42096a10e1d |
| MD5 hash: | 0640f43c412f8f2c3bf6e1b9139db1d0 |
| humanhash: | floor-september-six-undress |
| File name: | SecuriteInfo.com.generic.ml.32161 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 73'728 bytes |
| First seen: | 2021-01-08 09:50:49 UTC |
| Last seen: | 2021-01-08 10:43:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | a58452980f47253c6c85d2302c371765 (2 x RemcosRAT, 1 x GuLoader) |
| ssdeep | 768:iy6BPW3W6LV4htQ0HOwdHegY9f8BlqvrA23WPlQbu3FEtQKqECzHiFN1gx:iLBC5Jzwd+n9f8Wj73WP7EiKqlC0 |
| TLSH | 127309DB6420E935CD27C7B1974603BC15676E343D66D887A11233CD6233AE28EA86DF |
| Reporter |  SecuriteInfoCom |
| Tags: | GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
New PO.doc
Verdict:
Malicious activity
Analysis date:
2021-01-08 07:31:47 UTC
Tags:
ole-embedded exploit CVE-2017-11882 rat remcos trojan keylogger
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Guloader
Detection(s):
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
Sending a UDP request
Launching a process
Unauthorized injection to a recently created process by context flags manipulation
Result
Verdict:
SUSPICIOUS
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 GuLoader
Detection:
malicious
Classification:
rans.troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Contains functionality to hide a thread from the debugger
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Potential malicious icon found
Sigma detected: Remcos
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Writes to foreign memory regions
Yara detected GuLoader
Yara detected VB6 Downloader Generic
Behaviour
Behavior Graph:
Detection:
remcos
Threat name:
Win32.Trojan.RemcosRAT
Status:
Malicious
First seen:
2021-01-08 09:51:04 UTC
AV detection:
23 of 29 (79.31%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
remcos
guloader
Result
Malware family:
remcos
Score:
10/10
Tags:
family:remcos rat
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Remcos
Unpacked files
SH256 hash:
1664c6a330c5b318458518ea71b2a9995a91c79281a050278c3aa2388663a986
MD5 hash:
0640f43c412f8f2c3bf6e1b9139db1d0
SHA1 hash:
f07e9e5e618b14b0dd5478cb2a26f42096a10e1d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.90
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
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