MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bb66c3fabdbf663545fbd44331a0b4c7031ea94082b8a47c4243b1d65cb9d8a4. 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: | bb66c3fabdbf663545fbd44331a0b4c7031ea94082b8a47c4243b1d65cb9d8a4 |
|---|---|
| SHA3-384 hash: | 5f7aff078b8fc913abe3e98739793d117161c7778fa67760e2dc07517958f1665cfd84cc718e11db9b81187f46dc20e7 |
| SHA1 hash: | f40ebefa7b1d73e05a3fb95712da3f13ed82f732 |
| MD5 hash: | c7672b430a60c1d2b7bc575909939a45 |
| humanhash: | quebec-snake-black-zulu |
| File name: | rSejst206.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 331'697 bytes |
| First seen: | 2023-05-05 12:06:38 UTC |
| Last seen: | 2023-05-13 22:57:17 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | e160ef8e55bb9d162da4e266afd9eef3 (140 x GuLoader, 33 x RemcosRAT, 17 x AgentTesla) |
| ssdeep | 6144:R4SUjhth51Ase8i6e7Pf8N5Zz3XIZmLm56zsoI+vL9sEInDph:q/bI8ljAmLG6g+S/9h |
| Threatray | 612 similar samples on MalwareBazaar |
| TLSH | T18364125B3BC5C8EFE5880A7A48369EFE53F77D0DD228590747647F2A34342825F2A582 |
| TrID | 92.7% (.EXE) NSIS - Nullsoft Scriptable Install System (846567/2/133) 3.4% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 1.1% (.EXE) Win64 Executable (generic) (10523/12/4) 0.7% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 0.5% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| File icon (PE): |  |
| dhash icon | 9b03f098ec7000a8 (6 x GuLoader, 2 x AZORult, 1 x Formbook) |
| Reporter |  FXOLabs |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
4
# of downloads :
229
Origin country :
BRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rSejst206.exe
Verdict:
Malicious activity
Analysis date:
2023-05-05 12:07:49 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file
Delayed reading of the file
Sending a custom TCP request
Creating a file in the %temp% subdirectories
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Malware
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:
GuLoader, Azorult
Detection:
malicious
Classification:
troj.evad.phis.spyw
Score:
100 / 100
Signature
Antivirus detection for URL or domain
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Self deletion via cmd or bat file
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 Bitcoin Wallet information
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 Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Yara detected Azorult
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.GuLoader
Status:
Malicious
First seen:
2023-05-03 06:54:25 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
21 of 37 (56.76%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
azorult
cloudeye
Similar samples:
+ 602 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:azorult family:guloader downloader infostealer spyware stealer trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks QEMU agent file
Loads dropped DLL
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Azorult
Guloader,Cloudeye
Malware Config
C2 Extraction:
http://lazo1t.shop/lazo1t/index.php
Unpacked files
SH256 hash:
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
MD5 hash:
a436db0c473a087eb61ff5c53c34ba27
SHA1 hash:
65ea67e424e75f5065132b539c8b2eda88aa0506
SH256 hash:
bb66c3fabdbf663545fbd44331a0b4c7031ea94082b8a47c4243b1d65cb9d8a4
MD5 hash:
c7672b430a60c1d2b7bc575909939a45
SHA1 hash:
f40ebefa7b1d73e05a3fb95712da3f13ed82f732
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
GuLoader
Score:
0.90
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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