MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b65f37c2f7def47bd57ae2837b9c422113da608c3b37a80f62e0332fb717546f. 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: 13
| SHA256 hash: | b65f37c2f7def47bd57ae2837b9c422113da608c3b37a80f62e0332fb717546f |
|---|---|
| SHA3-384 hash: | e747f96302c6e14c0ce9cc5dc852e36cae49ca28953ad86f82d21ca6324f2faadb16dd27daaba39ccd4ed5bcc3d93942 |
| SHA1 hash: | 5833c8f3b5c907236e2ca2734b99d9bd0f1a5a36 |
| MD5 hash: | d68ce542ec367e67f667b75d491cf032 |
| humanhash: | robert-florida-missouri-angel |
| File name: | b65f37c2f7def47bd57ae2837b9c422113da608c3b37a80f62e0332fb717546f |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 604'376 bytes |
| First seen: | 2022-10-05 23:19:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 3f91aceea750f765ef2ba5d9988e6a00 (45 x GuLoader, 7 x Loki, 7 x RemcosRAT) |
| ssdeep | 6144:IMrudbcDdn2cHWOgP2DSUPRAdEHgmOo466hWCt2uj0+7xeUs9aPYz/76H3/NUEgo:IfLc2jODXPRAdEeo22IYH9QHvNUED |
| Threatray | 27 similar samples on MalwareBazaar |
| TLSH | T10ED458956D1887BBED9D8C3752DFB6114E0F5F7E8AF013122E8476DA2D33D2384A604A |
| TrID | 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 16.4% (.EXE) Win64 Executable (generic) (10523/12/4) 10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 7.0% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | 1d7c68797969a9b1 (3 x GuLoader) |
| Reporter | Anonymous |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-09-26T19:27:56Z |
| Valid to: | 2025-09-25T19:27:56Z |
| Serial number: | -4ddbdb53e812f7af |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 4028ff6fcc01e623218240c498d051d5e90d428d85534174758e36d5b5293788 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
963
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
guloader
ID:
1
File name:
PO#694365-00352991.iso
Verdict:
Malicious activity
Analysis date:
2022-09-27 00:13:03 UTC
Tags:
guloader
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
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
DNS request
Creating a file in the %temp% subdirectories
Delayed reading of the file
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
60%
Tags:
guloader nemesis overlay packed shell32.dll
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:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Spyware.Guloader
Status:
Malicious
First seen:
2022-09-27 03:17:20 UTC
File Type:
PE (Exe)
Extracted files:
71
AV detection:
20 of 26 (76.92%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 17 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
703e17d30a91775f8ddc2648b537fc846fad6415589a503a4529c36f60a17439
MD5 hash:
637e1fa13012a78922b6e98efc0b12e2
SHA1 hash:
8012d44e42cd6d813ea63d5ccbf190fe72e3c778
SH256 hash:
b65f37c2f7def47bd57ae2837b9c422113da608c3b37a80f62e0332fb717546f
MD5 hash:
d68ce542ec367e67f667b75d491cf032
SHA1 hash:
5833c8f3b5c907236e2ca2734b99d9bd0f1a5a36
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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