MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 398a3ecbe96e1b4d131f6d367e36aac8e42a89c0f3ddf075fb28f5c6f3921cea. 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: | 398a3ecbe96e1b4d131f6d367e36aac8e42a89c0f3ddf075fb28f5c6f3921cea |
|---|---|
| SHA3-384 hash: | 25fea5284329bc9f6fd277aca16775e667bd337dbb91bce4036da98d4e6463be418e713acfb05a6a2912cc998bd9e96d |
| SHA1 hash: | 33d56b2f918129b17f15a186994bd9092a50ea9f |
| MD5 hash: | 382b984e3a091199d778f56ed7faf0d4 |
| humanhash: | nebraska-louisiana-connecticut-lemon |
| File name: | FATURA_013_1731pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 321'160 bytes |
| First seen: | 2022-09-23 06:19:58 UTC |
| Last seen: | 2022-09-28 07:33:14 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7ed0d71376e55d58ab36dc7d3ffda898 (133 x GuLoader, 28 x RemcosRAT, 23 x AgentTesla) |
| ssdeep | 3072:nFYTUnLKvaVwYzI5PesvjhheNiB+ff0jMWDxLzW8a0TGZidy0OVrmC27PJutTZn:F1kal0PZVheNA+ff039W1xLhVrmPjJOd |
| Threatray | 1'906 similar samples on MalwareBazaar |
| TLSH | T1F764289279C975AFDC2F8A38035FEAB22A795CE07382486E4F40761D4C3564A80EDDD7 |
| 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 | c88604b919c6c6c0 (77 x GuLoader, 10 x Formbook, 8 x AgentTesla) |
| Reporter |  JAMESWT_WT |
| Tags: | exe Flngens Mistillidsvota Soudan GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-09-22T07:21:59Z |
| Valid to: | 2025-09-21T07:21:59Z |
| Serial number: | -1c258aae32d0b8b7 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | c30f575d320ef66d8b1f4097eb4506b47a9b5fcd572e787d25987a1e317afd83 |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
410
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ForwardedMessage.eml
Verdict:
Malicious activity
Analysis date:
2022-09-22 15:16:45 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file in the %temp% subdirectories
Creating a file
Delayed reading of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
75%
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
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)
Uses the Telegram API (likely for C&C communication)
Writes to foreign memory regions
Yara detected AgentTesla
Yara detected GuLoader
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2022-09-22 11:01:51 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
20 of 40 (50.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Similar samples:
+ 1'896 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader
Behaviour
Enumerates physical storage devices
Loads dropped DLL
Guloader,Cloudeye
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
5a1c20a3e2e2eb182976977669f2c5d9f3104477e98f74d69d2434e79b92fdc3
MD5 hash:
7399323923e3946fe9140132ac388132
SHA1 hash:
728257d06c452449b1241769b459f091aabcffc5
SH256 hash:
398a3ecbe96e1b4d131f6d367e36aac8e42a89c0f3ddf075fb28f5c6f3921cea
MD5 hash:
382b984e3a091199d778f56ed7faf0d4
SHA1 hash:
33d56b2f918129b17f15a186994bd9092a50ea9f
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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