MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 4a7494bf219e9421f2aaf50f46b391b813b1df67aa4a929dfed977a4ae8875bb. 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: | 4a7494bf219e9421f2aaf50f46b391b813b1df67aa4a929dfed977a4ae8875bb |
|---|---|
| SHA3-384 hash: | 5884958a34ddb8263fbaab3955b5b3b3f825f0eab0e9fb742af4f1e2e64f317409aaf36495cf7665ac568ac25f55f6d6 |
| SHA1 hash: | c3505df403fb201a0e88754e6569218602591b1b |
| MD5 hash: | 0cd77fa4bf9bd37559c7f4486fbb8fcf |
| humanhash: | carbon-low-william-burger |
| File name: | rZiraatBankasiSwiftMesaji_pdf.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 162'590 bytes |
| First seen: | 2023-05-22 12:54:48 UTC |
| Last seen: | 2023-05-22 16:35:19 UTC |
| File type: | |
| MIME type: | application/x-dosexec |
| imphash | 59a4a44a250c4cf4f2d9de2b3fe5d95f (70 x GuLoader, 13 x AgentTesla, 7 x AZORult) |
| ssdeep | 3072:1DQkrZoosbIfXJ/ppJCMMcXfsNsYWDU9QyxUrMITgPJXmJ1fZdZkh+P/pkZEWPbe:1DpoeJFPk+YMIogI0PJWfZdqkPqZhPRo |
| Threatray | 1'595 similar samples on MalwareBazaar |
| TLSH | T136F30222BBFA849FF62206712A3B9751E636A61271179ECB1B557F350D31603CE0B6C3 |
| 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 | e0a8e0c8e0a0a2ca (5 x GuLoader, 3 x Formbook) |
| Reporter | |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
2
# of downloads :
272
Origin country :
BRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
rZiraatBankasiSwiftMesaji_pdf.exe
Verdict:
Suspicious activity
Analysis date:
2023-05-22 12:57:08 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Searching for the window
Creating a file in the %temp% directory
Creating a window
Creating a file in the %AppData% subdirectories
Delayed reading of the file
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
lolbin overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Win/malicious_confidence_60%
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
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Antivirus detection for URL or domain
Initial sample is a PE file and has a suspicious name
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted 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)
Yara detected GuLoader
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-05-22 12:55:05 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
formbook
Similar samples:
+ 1'585 additional samples on MalwareBazaar
Result
Malware family:
guloader
Score:
10/10
Tags:
family:formbook family:guloader campaign:mi62 downloader rat spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
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
Formbook payload
Formbook
Guloader,Cloudeye
Unpacked files
SH256 hash:
75ed40311875312617d6711baed0be29fcaee71031ca27a8d308a72b15a51e49
MD5 hash:
a436db0c473a087eb61ff5c53c34ba27
SHA1 hash:
65ea67e424e75f5065132b539c8b2eda88aa0506
SH256 hash:
4a7494bf219e9421f2aaf50f46b391b813b1df67aa4a929dfed977a4ae8875bb
MD5 hash:
0cd77fa4bf9bd37559c7f4486fbb8fcf
SHA1 hash:
c3505df403fb201a0e88754e6569218602591b1b
Malware family:
FormBook
Verdict:
Malicious
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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