MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 45fd23b26e7f3d4a79e28bc74ea5119a893de6cd4df0996184d960a2fe4c480c. 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: | 45fd23b26e7f3d4a79e28bc74ea5119a893de6cd4df0996184d960a2fe4c480c |
|---|---|
| SHA3-384 hash: | 1589546984cd7b1840bca82f89a2b4ae3c98ae62927db9f4df38b96c4208270c502edbfc8d25c3f7ffb871055f4fb116 |
| SHA1 hash: | eaf60052cc5f7b73cecfa01dd1270b22aa9bd6c1 |
| MD5 hash: | a116a2037582a261b91f92f33407a934 |
| humanhash: | freddie-quiet-ten-jersey |
| File name: | Wuerth_factura_4051226052.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 206'232 bytes |
| First seen: | 2023-10-24 12:49:38 UTC |
| Last seen: | 2023-10-25 08:50:51 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | aba7b26171cc51de6d40ff60cc44a7f5 (6 x GuLoader, 3 x AgentTesla) |
| ssdeep | 6144:6dnrsfHjPlEqmlNQt/aaaUm/gSLKxbB2k4:7biqmlNQtVUzLKxr4 |
| Threatray | 802 similar samples on MalwareBazaar |
| TLSH | T17D14025B1A82C4E2DE530970587A6F1B1E3B7306D0D49E5BEB28BA4739233511F2F5E2 |
| TrID | 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1) |
| File icon (PE): |  |
| dhash icon | b2a89c96a2cada72 (2'283 x Formbook, 981 x Loki, 803 x AgentTesla) |
| Reporter |  malwarelabnet |
| Tags: | AgentTesla exe GuLoader signed |
Code Signing Certificate
| Organisation: | |
|---|---|
| Issuer: | |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-02-20T09:43:53Z |
| Valid to: | 2026-02-19T09:43:53Z |
| Serial number: | 797ca2747918101c5b65c920b9606bbb5f296b54 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 4b223d22ec8cd4be6f78bdc928915657243c28240b2ccc495d57015b1c98e76d |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
335
Origin country :
CAVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Wuerth_factura_4051226052.exe
Verdict:
Malicious activity
Analysis date:
2023-10-24 16:11:23 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
Creating a file in the %temp% directory
Creating a window
Creating a file
Sending a custom TCP request
Gathering data
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control installer lolbin masquerade overlay packed shell32
Verdict:
Malicious
Labled as:
Trojan.Generic
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.
Malware family:
GuLoader
Verdict:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad.spyw
Score:
80 / 100
Signature
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Queries sensitive network adapter information (via WMI, Win32_NetworkAdapter, often done to detect virtual machines)
Tries to harvest and steal browser information (history, passwords, etc)
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 GuLoader
Behaviour
Behavior Graph:
Score:
95%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2023-10-23 05:09:41 UTC
File Type:
PE (Exe)
Extracted files:
13
AV detection:
16 of 23 (69.57%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 792 additional samples on MalwareBazaar
Result
Malware family:
agenttesla
Score:
10/10
Tags:
family:agenttesla keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Looks up external IP address via web service
Loads dropped DLL
AgentTesla
Unpacked files
SH256 hash:
e32b35cde7c6e2c967445de92884684db7fda506ea52b9aaa74c1a33dd2fdfe6
MD5 hash:
55f18cafe28167995629fdeae4f07bdf
SHA1 hash:
a6bd9310f4408c86149993d1e8833d35dd16bb23
SH256 hash:
45fd23b26e7f3d4a79e28bc74ea5119a893de6cd4df0996184d960a2fe4c480c
MD5 hash:
a116a2037582a261b91f92f33407a934
SHA1 hash:
eaf60052cc5f7b73cecfa01dd1270b22aa9bd6c1
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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