MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 233640b77bcb1840df2bfa81425197bba0cf97bec7eda35a2c46b314840faa8d. 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: 10
| SHA256 hash: | 233640b77bcb1840df2bfa81425197bba0cf97bec7eda35a2c46b314840faa8d |
|---|---|
| SHA3-384 hash: | a5c76a5e4a871706db2f2c228466b1db9e8feceffe1a882723265595720360f9cd288bbb1ef6155355aaa7d9ab07fcc5 |
| SHA1 hash: | 5935496311ca99c83ea08bdf6294997163502e70 |
| MD5 hash: | 31fca943db091aa420cc11194740190f |
| humanhash: | artist-pizza-muppet-idaho |
| File name: | INVO-0987654345678.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 351'696 bytes |
| First seen: | 2022-09-28 06:36:54 UTC |
| Last seen: | 2022-09-28 08:12:07 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | d4b94e8ee3f620a89d114b9da4b31873 (90 x GuLoader, 18 x njrat, 9 x RemcosRAT) |
| ssdeep | 3072:q1T//IHWyWJADJuLxh0VqBoU3LAzPbbUAR2YOTJdJtuyKFQNNCg7XneldEsznxg:8//I2y34WVqB0DLrOTbuyKSCAneld7m |
| Threatray | 864 similar samples on MalwareBazaar |
| TLSH | T14D749DD2F12085EDED6A173264274C920D932CBDE6B5D15C71F972223BF72A3402E96B |
| 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 | 068f0b2a2b363f06 (19 x SnakeKeylogger, 8 x AgentTesla, 8 x MassLogger) |
| Reporter |  lowmal3 |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-08-13T07:02:03Z |
| Valid to: | 2025-08-12T07:02:03Z |
| Serial number: | -6d78a54dbdd267ee |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 0eb210d46ce7dcaefb00daf2108ccdfce123447eac4f73aedfe0ac0395dfcc50 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
253
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Creating a file in the %AppData% subdirectories
Creating a file in the %temp% subdirectories
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
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:
AgentTesla, GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
100 / 100
Signature
Icon mismatch, binary includes an icon from a different legit application in order to fool users
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Queries sensitive BIOS Information (via WMI, Win32_Bios & Win32_BaseBoard, often done to detect virtual machines)
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect Any.run
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Mail credentials (via file / registry access)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Nemesis
Status:
Malicious
First seen:
2022-09-27 13:01:04 UTC
File Type:
PE (Exe)
Extracted files:
24
AV detection:
18 of 40 (45.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 854 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader discovery downloader
Behaviour
Enumerates physical storage devices
Checks installed software on the system
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e94a1f7bcd7e0d532b660d0af468eb3321536c3efdca265e61f9ec174b1aef27
MD5 hash:
ee260c45e97b62a5e42f17460d406068
SHA1 hash:
df35f6300a03c4d3d3bd69752574426296b78695
SH256 hash:
233640b77bcb1840df2bfa81425197bba0cf97bec7eda35a2c46b314840faa8d
MD5 hash:
31fca943db091aa420cc11194740190f
SHA1 hash:
5935496311ca99c83ea08bdf6294997163502e70
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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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