MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bb3cb5be98fc254bec5899931148664dd131b1eb5e847a67bab5a4fb8aa56e66. 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: 9
| SHA256 hash: | bb3cb5be98fc254bec5899931148664dd131b1eb5e847a67bab5a4fb8aa56e66 |
|---|---|
| SHA3-384 hash: | 25dcb5c235847710ba9d85e9a126c93183ba6ae22ea1ebe44d70eac328eb947d1e5503adeb07c7bb6e0ea4754d21e7e2 |
| SHA1 hash: | 43f7450ae415145c6ea5e1c271bbd924961e24b4 |
| MD5 hash: | c7ab30d2e5f76f776defdfd96fc14f5b |
| humanhash: | massachusetts-social-louisiana-lemon |
| File name: | TRANSFERENCIA_ADBATHINNOVASL_26072022.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 177'784 bytes |
| First seen: | 2022-10-18 13:01:51 UTC |
| Last seen: | 2022-10-19 12:19:54 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e2a592076b17ef8bfb48b7e03965a3fc (388 x GuLoader, 59 x RemcosRAT, 44 x VIPKeylogger) |
| ssdeep | 3072:vgsmet6LIYizurKP27b4cUo10LBjKyT5V2MQP4CinHQOfiXTE6N1X8LjK3251JTn:Y4t6LsOKu4Nw09NmNPLt2iXTkV1Jr |
| Threatray | 4'998 similar samples on MalwareBazaar |
| TLSH | T1960401853E98C2A3ED37AAB415B5BE2A17BAFD1724D1471F27612E093D137C2854E323 |
| 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 | ece4c4dcccdcdcd4 (1 x GuLoader) |
| Reporter |  malwarelabnet |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-04-18T09:30:31Z |
| Valid to: | 2025-04-17T09:30:31Z |
| Serial number: | -52505c9681cfa4ff |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 9db74433e4901cee124cff1a6cbecce02547a957654b7750800471d42228fdee |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
461
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Creating a file in the %temp% subdirectories
Searching for the Windows task manager window
Launching a process
Creating a process with a hidden window
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
guloader overlay packed shell32.dll
Result
Verdict:
UNKNOWN
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
Mass process execution to delay analysis
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)
Tries to detect Any.run
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.Guloader
Status:
Malicious
First seen:
2022-10-18 08:07:00 UTC
File Type:
PE (Exe)
Extracted files:
7
AV detection:
20 of 42 (47.62%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Similar samples:
+ 4'988 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
7/10
Tags:
n/a
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Loads dropped DLL
Gathering data
Unpacked files
SH256 hash:
c4c6fe032f3cd8b31528d7b99661f85ee22cb78746aee98ec568431d4f5043f7
MD5 hash:
b55f7f1b17c39018910c23108f929082
SHA1 hash:
1601f1cc0d0d6bcf35799b7cd15550cd01556172
SH256 hash:
e69ee897084fcdaf301b710386853fe867c9ed036222be44ba7b5a080e828ffb
MD5 hash:
1a6d0cfb6b904c4bf63491728ce9cf06
SHA1 hash:
ad29426b4888c0f23b758d42320e1ad6cd731133
SH256 hash:
fc99eb2dd3bc5304db27721fa6ce926337dbe87e8875d68753bc2b551d67c065
MD5 hash:
0c1fff696a7a145392700c56c275a0f0
SHA1 hash:
01d605594a3681a65c42c4029ccd23dcde9e7511
SH256 hash:
bb3cb5be98fc254bec5899931148664dd131b1eb5e847a67bab5a4fb8aa56e66
MD5 hash:
c7ab30d2e5f76f776defdfd96fc14f5b
SHA1 hash:
43f7450ae415145c6ea5e1c271bbd924961e24b4
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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