MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 278ace41e75d67fb91b5c2c6bf345caf8829d8d3ac99bf770a3f2ef51856630b. 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: 13
| SHA256 hash: | 278ace41e75d67fb91b5c2c6bf345caf8829d8d3ac99bf770a3f2ef51856630b |
|---|---|
| SHA3-384 hash: | 7dc94d3d38d0d1ed11fc4697984ce37cff09c72476dc69fa1069bdddcbc2786e6895d7c055b195de585e6f659c38eeb7 |
| SHA1 hash: | 7596efa2d80ee2fd67776a52225413e88e295c11 |
| MD5 hash: | 7c3ffc44df7e506aeb53817a9d32b479 |
| humanhash: | alpha-hamper-grey-six |
| File name: | SecuriteInfo.com.suspected.of.JS.Crypted.Heur.13306.24422 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 1'138'896 bytes |
| First seen: | 2023-12-11 19:31:37 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | b34f154ec913d2d2c435cbd644e91687 (527 x GuLoader, 110 x RemcosRAT, 80 x EpsilonStealer) |
| ssdeep | 24576:ZttZO8tBYX4CnMUY0a/ldYuoFbIBDKcof+PPqCkyFpKoRCqemoCPd:/haoCn3Y0aLY5FsBDFof+PPqHyOECqe6 |
| TLSH | T1763512587668E36FD495CF358A25D6F8D762AC01AAA9815FB635BF6F38326C34C0010F |
| 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 | f878e0f0d8d9d064 (1 x GuLoader) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Discolorments |
|---|---|
| Issuer: | Discolorments |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-01-03T10:46:50Z |
| Valid to: | 2026-01-02T10:46:50Z |
| Serial number: | 0a093e24a6cce807a00f59e42c587404274bde11 |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | 95ef4e131b0dfdf7255c6e2ae6054838cf1879c6217a7fd5a58b87be08eee0ad |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
243
Origin country :
FRVendor Threat Intelligence
Malware family:
formbook
ID:
1
File name:
SecuriteInfo.com.suspected.of.JS.Crypted.Heur.13306.24422
Verdict:
Malicious activity
Analysis date:
2023-12-11 23:22:35 UTC
Tags:
formbook xloader stealer spyware
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Searching for the window
Creating a window
Creating a file
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control installer lolbin overlay packed shell32
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
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:
Malicious
Result
Threat name:
GuLoader
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Signature
Antivirus detection for URL or domain
Found suspicious powershell code related to unpacking or dynamic code loading
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Yara detected GuLoader
Behaviour
Behavior Graph:
Score:
94%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Generic
Status:
Malicious
First seen:
2023-12-11 16:06:39 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
12 of 37 (32.43%)
Threat level:
2/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
guloader
Score:
10/10
Tags:
family:guloader downloader persistence
Behaviour
Gathers network information
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in System32 directory
Suspicious use of NtCreateThreadExHideFromDebugger
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Adds policy Run key to start application
Guloader,Cloudeye
Unpacked files
SH256 hash:
278ace41e75d67fb91b5c2c6bf345caf8829d8d3ac99bf770a3f2ef51856630b
MD5 hash:
7c3ffc44df7e506aeb53817a9d32b479
SHA1 hash:
7596efa2d80ee2fd67776a52225413e88e295c11
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 |
| Rule name: | PE_Potentially_Signed_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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