MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b06251271462b7ef68d0bcc69258642051c9da6d1d5df95c8e3f031a07906388. 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: 8
| SHA256 hash: | b06251271462b7ef68d0bcc69258642051c9da6d1d5df95c8e3f031a07906388 |
|---|---|
| SHA3-384 hash: | 5049e596b495feaf6adce0fa8a7d315c3029d7971e5ac4f91c12841172014326c45b8d075035654601583f4b45d32818 |
| SHA1 hash: | 9586b111380efa996b4f3e9ec67f75f62632bbb9 |
| MD5 hash: | effd03e2901029b294359d27f92c9c30 |
| humanhash: | mike-four-skylark-steak |
| File name: | effd03e2901029b294359d27f92c9c30 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 247'504 bytes |
| First seen: | 2022-02-22 08:57:46 UTC |
| Last seen: | 2022-02-22 11:00:47 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 48e807a7b58ea2b8edb6203daf32ec53 (2 x Smoke Loader, 1 x GuLoader) |
| ssdeep | 3072:j0Wum2MgC/3w5/rQmFZFkRmiLT8wQ62oIm2M7Wa:j0fmRgGgRg/p//ImR73 |
| Threatray | 9'453 similar samples on MalwareBazaar |
| TLSH | T1B1346B9BF5214875F1E40ABC6862C04252D42C2426D5A76A7CEAFA7CE9314CD7373E3E |
| File icon (PE): |  |
| dhash icon | 72c2e0e4ce92f278 (7 x Smoke Loader, 2 x GuLoader, 1 x AgentTesla) |
| Reporter |  zbetcheckin |
| Tags: | 32 exe GuLoader signed |
Code Signing Certificate
| Organisation: | Autoophugge |
|---|---|
| Issuer: | Autoophugge |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2022-02-21T21:25:28Z |
| Valid to: | 2023-02-21T21:25:28Z |
| Serial number: | 00 |
| Intelligence: | 325 malware samples on MalwareBazaar are signed with this code signing certificate |
| Cert Central Blocklist: | This certificate is on the Cert Central blocklist |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 7c9995fcf8bcecf26e3483512d3528d0a2ab603cad4aece22143ae85dfaf70bc |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
2
# of downloads :
272
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
http://karmart-th.com/zzz/enterprise.exe
Verdict:
No threats detected
Analysis date:
2022-02-22 08:35:42 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
GuLoader
Result
Verdict:
Clean
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
overlay packed
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:
Malicious
Result
Threat name:
AgentTesla
Detection:
malicious
Classification:
evad.troj.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found malware configuration
Hides threads from debuggers
Machine Learning detection for sample
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)
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 Telegram RAT
Behaviour
Behavior Graph:
Detection:
agenttesla
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-02-22 06:33:00 UTC
File Type:
PE (Exe)
Extracted files:
12
AV detection:
26 of 43 (60.47%)
Threat level:
5/5
Verdict:
malicious
Label(s):
cloudeye
Similar samples:
+ 9'443 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:agenttesla family:guloader downloader keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Drops file in Windows directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
AgentTesla Payload
AgentTesla
Guloader,Cloudeye
Malware Config
C2 Extraction:
https://api.telegram.org/bot5013020608:AAFu_btAZRcQ9V-SvEIxL9rCbb_x1A-9IJo/sendDocument
Unpacked files
SH256 hash:
b06251271462b7ef68d0bcc69258642051c9da6d1d5df95c8e3f031a07906388
MD5 hash:
effd03e2901029b294359d27f92c9c30
SHA1 hash:
9586b111380efa996b4f3e9ec67f75f62632bbb9
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
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: | BitcoinAddress |
|---|---|
| Author: | Didier Stevens (@DidierStevens) |
| Description: | Contains a valid Bitcoin address |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
Comments
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