MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 42bb4ea726a68142140dbe3953e6027f5176aeb359d06ca71652bfd61a3a4898. 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: 11
| SHA256 hash: | 42bb4ea726a68142140dbe3953e6027f5176aeb359d06ca71652bfd61a3a4898 |
|---|---|
| SHA3-384 hash: | 41d78fac3893c43bc3fbd644c03ec529ad5ea3e828ddf78747931da5b4b9a06c386c0c889d71b285912a13eb6fc7b8eb |
| SHA1 hash: | 9d4ba161bf60e243951b436feb14c2c0d3284a73 |
| MD5 hash: | 53981e94bf9b125871ff3d555fcb6e18 |
| humanhash: | georgia-green-leopard-texas |
| File name: | OFFER REQUEST.exe |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 377'884 bytes |
| First seen: | 2023-11-26 18:20:20 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 7eae418c7423834ffc3d79b4300bd6fb (51 x GuLoader, 16 x RemcosRAT, 15 x AgentTesla) |
| ssdeep | 6144:bNDlOltlhJka8EOHDn7m8aviLBdRIdpoqgYT83+KAmfL3:but7JkzEOjn7mHviPlA8OxU3 |
| TLSH | T1568412816344D09EE56A16325F3BAEE617A93C3D19547A8BB6B4F32D383F252C70E305 |
| 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 | e4e0d27230b95858 (4 x AgentTesla, 2 x GuLoader) |
| Reporter |  abuse_ch |
| Tags: | exe GuLoader |
Intelligence
File Origin
# of uploads :
1
# of downloads :
292
Origin country :
NLVendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Clean
Maliciousness:
Behaviour
Creating a window
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% subdirectories
Delayed reading of the file
Searching for the window
Searching for the Windows task manager window
Gathering data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
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, AgentTesla
Detection:
malicious
Classification:
troj.evad.spre.spyw
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
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)
Sigma detected: MSBuild connects to smtp port
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 AgentTesla
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Guloader
Status:
Malicious
First seen:
2023-11-23 09:15:55 UTC
File Type:
PE (Exe)
Extracted files:
9
AV detection:
15 of 23 (65.22%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
agenttesla_v4
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 WriteProcessMemory
Enumerates physical storage devices
Program crash
Drops file in Program Files directory
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
Guloader,Cloudeye
Unpacked files
SH256 hash:
1f18f4126124b0551f3dbcd0fec7f34026f930ca509f04435657cedc32ae8c47
MD5 hash:
f27689c513e7d12c7c974d5f8ef710d6
SHA1 hash:
e305f2a2898d765a64c82c449dfb528665b4a892
SH256 hash:
6950991102462d84fdc0e3b0ae30c95af8c192f77ce3d78e8d54e6b22f7c09ba
MD5 hash:
8cf2ac271d7679b1d68eefc1ae0c5618
SHA1 hash:
7cc1caaa747ee16dc894a600a4256f64fa65a9b8
SH256 hash:
bc4f95b716d26bbf9a6434569a6d777755ba233666a9ce57cb393ca25b82212f
MD5 hash:
d4be14b49e319ba76c559e6c2c284a04
SHA1 hash:
ef39e0be34505530da6710d450c0d97922ef0e1d
SH256 hash:
f344713a08459675b6db6fc79e93f7813d8793af6fd9a2c8c64aa1a0a0e0d218
MD5 hash:
d53c32cedd3d4c37d0a35183ec531ed9
SHA1 hash:
1184372024a780df8234ac67c4a5db4d303adbc5
SH256 hash:
42bb4ea726a68142140dbe3953e6027f5176aeb359d06ca71652bfd61a3a4898
MD5 hash:
53981e94bf9b125871ff3d555fcb6e18
SHA1 hash:
9d4ba161bf60e243951b436feb14c2c0d3284a73
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.84
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_no_import_table |
|---|---|
| Description: | Detect pe file that no import table |
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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