MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7fb99af8a9403c406bc0883a9ae0f0d11d46d73e4ce5a9462d22e9b6ede25749. 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



Threat unknown


Vendor detections: 11


Intelligence 11 IOCs YARA 1 File information Comments

SHA256 hash: 7fb99af8a9403c406bc0883a9ae0f0d11d46d73e4ce5a9462d22e9b6ede25749
SHA3-384 hash: 55078432e13e6d3645454cab34e862910c07750373c54a46a5726a7dcffd8d90870dd39ce3a7f56388d18223e09d577e
SHA1 hash: e76bba0c90ef3df93ca863cc25ad390a18ee8d86
MD5 hash: 148bb976482ca11fff424dbda6882d2f
humanhash: delaware-fanta-white-failed
File name:syspool.exe
Download: download sample
File size:24'576 bytes
First seen:2025-06-14 14:06:18 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash b1892706561b107f6345727ea5c33286
ssdeep 384:sFETAe6dXgoQMORTtWKRWiWrTLUonW41ldc2HgbX:sYAPJQnR9WrVnWi7to
TLSH T1AAB2FA00DB148765D0BAE0FC93A686365D736F715104E18BEBC07E2D1AFACD1A931B4E
TrID 40.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5)
16.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
12.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
11.0% (.EXE) Win32 Executable (generic) (4504/4/1)
5.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
419
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
syspool.exe
Verdict:
Malicious activity
Analysis date:
2025-06-14 14:25:57 UTC
Tags:
auto-reg

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.1%
Tags:
trojan overt virus spam
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %AppData% subdirectories
Connection attempt
DNS request
Sending an HTTP GET request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Connection attempt to an infection source
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
84 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Suloc
Status:
Malicious
First seen:
2016-08-21 04:26:07 UTC
File Type:
PE (Exe)
AV detection:
27 of 36 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery persistence
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Adds Run key to start application
Creates a large amount of network flows
Executes dropped EXE
Contacts a large (7199) amount of remote hosts
Unpacked files
SH256 hash:
7fb99af8a9403c406bc0883a9ae0f0d11d46d73e4ce5a9462d22e9b6ede25749
MD5 hash:
148bb976482ca11fff424dbda6882d2f
SHA1 hash:
e76bba0c90ef3df93ca863cc25ad390a18ee8d86
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Executable exe 7fb99af8a9403c406bc0883a9ae0f0d11d46d73e4ce5a9462d22e9b6ede25749

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessA
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetStartupInfoA
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::GetFileAttributesA
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExA
ADVAPI32.dll::RegOpenKeyA
ADVAPI32.dll::RegSetValueExA

Comments