MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 a45af5612f08bb50f4c54be8354a96bf9f150735e17f7f8aab7244a67431c611. 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: 9
| SHA256 hash: | a45af5612f08bb50f4c54be8354a96bf9f150735e17f7f8aab7244a67431c611 |
|---|---|
| SHA3-384 hash: | f7fae7f8a3b02e1f6ad339d507ca637c0ec1646704461e2214d5adcac77a2b6223f392189bba51a05293cbdea43f158b |
| SHA1 hash: | 1f7999f9e6398d71098ac0c00924057ce5f5a531 |
| MD5 hash: | 15f6dd05c6e648365d6bc2518694ff9e |
| humanhash: | oranges-shade-stairway-oven |
| File name: | SecuriteInfo.com.W64.GenKryptik.GMLD.tr.3981.32167 |
| Download: | download sample |
| Signature | GuLoader |
| File size: | 5'588'192 bytes |
| First seen: | 2023-10-12 03:42:35 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | fa7a6f745cd12bf5d1b9fc06ce71edf2 (2 x CoinMiner, 1 x GuLoader) |
| ssdeep | 49152:qToUHy0SOCcmf7F3l0RziR88vTiKjzMdhcuDBtOnRaHirhDUmvNoA3oZh+3ai3e1:0BWnvK6oxOrCGpwX8o |
| Threatray | 2 similar samples on MalwareBazaar |
| TLSH | T118462A30D39185E9D1A7C030CD9A4FF465E2746B81364E0E15C4DD5A2DFEEA0EF9E2A2 |
| TrID | 83.7% (.CPL) Windows Control Panel Item (generic) (197083/11/60) 7.0% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 4.4% (.EXE) Win64 Executable (generic) (10523/12/4) 2.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 0.8% (.EXE) OS/2 Executable (generic) (2029/13) |
| Reporter |  SecuriteInfoCom |
| Tags: | exe GuLoader signed |
Code Signing Certificate
| Organisation: | Microsoft Code Signing PCA 2011 |
|---|---|
| Issuer: | Microsoft Code Signing PCA 2011 |
| Algorithm: | sha256WithRSAEncryption |
| Valid from: | 2023-10-12T01:17:38Z |
| Valid to: | 2024-10-12T01:17:38Z |
| Serial number: | fa7c77a3e12ef2728fce4e93b94d1caa |
| Thumbprint Algorithm: | SHA256 |
| Thumbprint: | a771bf6ceaa8d315907e2919399cf9d42faae6c5da60f352f1736667aa16f4cd |
| Source: | This information was brought to you by ReversingLabs A1000 Malware Analysis Platform |
Intelligence
File Origin
# of uploads :
1
# of downloads :
306
Origin country :
FRVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.W64.GenKryptik.GMLD.tr.3981.32167
Verdict:
No threats detected
Analysis date:
2023-10-12 03:45:29 UTC
Tags:
n/a
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
Launching a process
Сreating synchronization primitives
DNS request
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Connecting to a non-recommended domain
Creating a file
Sending an HTTP GET request
Creating a process from a recently created file
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a window
Blocking the User Account Control
Query of malicious DNS domain
Sending a TCP request to an infection source
Unauthorized injection to a recently created process
Adding an exclusion to Microsoft Defender
Unauthorized injection to a system process
Sending an HTTP GET request to an infection source
Enabling autorun by creating a file
Gathering data
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
control expand greyware hacktool lolbin msbuild overlay packed remote shell32
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
Threat name:
Win64.Trojan.Guloader
Status:
Suspicious
First seen:
2023-10-12 03:43:08 UTC
File Type:
PE+ (Exe)
AV detection:
9 of 23 (39.13%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Result
Malware family:
glupteba
Score:
10/10
Tags:
family:glupteba discovery dropper evasion loader persistence spyware themida trojan upx
Behaviour
Creates scheduled task(s)
Modifies data under HKEY_USERS
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System policy modification
Uses Task Scheduler COM API
Checks for VirtualBox DLLs, possible anti-VM trick
Drops file in Program Files directory
Drops file in Windows directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Checks whether UAC is enabled
Legitimate hosting services abused for malware hosting/C2
Drops startup file
Executes dropped EXE
Loads dropped DLL
Themida packer
UPX packed file
Windows security modification
Downloads MZ/PE file
Drops file in Drivers directory
Modifies Windows Firewall
Stops running service(s)
Glupteba
Glupteba payload
Suspicious use of NtCreateUserProcessOtherParentProcess
UAC bypass
Windows security bypass
Unpacked files
SH256 hash:
a45af5612f08bb50f4c54be8354a96bf9f150735e17f7f8aab7244a67431c611
MD5 hash:
15f6dd05c6e648365d6bc2518694ff9e
SHA1 hash:
1f7999f9e6398d71098ac0c00924057ce5f5a531
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.89
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: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__MemoryWorkingSet |
|---|---|
| Author: | Fernando Mercês |
| Description: | Anti-debug process memory working set size check |
| Reference: | http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/ |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | PE_Potentially_Signed_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SEH__vectored |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
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
Login required
You need to login to in order to write a comment. Login with your abuse.ch account.