MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 45884ce399da62cf819867e19ee253ba5e2c9ac12e96bf9f2f0fd54d31f6435d. 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
Mofksys
Vendor detections: 13
| SHA256 hash: | 45884ce399da62cf819867e19ee253ba5e2c9ac12e96bf9f2f0fd54d31f6435d |
|---|---|
| SHA3-384 hash: | 276284a03635abc51d7941e3ed67391ea67ca5dbc64f5ea4a29c6ccb895118cc83fdf659d7fe6ac92c3aa01fe2292cad |
| SHA1 hash: | 55daa958884217ebda72a62dfa2de46393272392 |
| MD5 hash: | 8236106c5af3d52c00c6992f0d346468 |
| humanhash: | mirror-artist-pluto-idaho |
| File name: | file |
| Download: | download sample |
| Signature | Mofksys |
| File size: | 10'068'271 bytes |
| First seen: | 2025-08-19 14:40:41 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 8c16c795b57934183422be5f6df7d891 (36 x Mofksys, 18 x CryptOne, 6 x AveMariaRAT) |
| ssdeep | 196608:tdHWUd/RF+SwgZyBP6v/m6bCJuzOTvbPVauYzIHHSqGJeorUe7:tdHPJYgZI5688OTvzAmnS9h7 |
| TLSH | T11EA63319FBEC8AA3C88C0372090794B477B75999E757B78F722837E06AF2641B271117 |
| TrID | 42.6% (.EXE) Win32 Executable (generic) (4504/4/1) 19.4% (.ICL) Windows Icons Library (generic) (2059/9) 18.9% (.EXE) Generic Win/DOS Executable (2002/3) 18.9% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| dhash icon | 00928e8e8686b800 (21 x Mofksys, 9 x CryptOne, 5 x Amadey) |
| Reporter |  jstrosch |
| Tags: | exe Mofksys |
Intelligence
File Origin
# of uploads :
1
# of downloads :
45
Origin country :
CAVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-08-19 15:35:03 UTC
Tags:
jeefo auto-reg
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Verdict:
Malicious
Score:
99.9%
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the Windows subdirectories
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Sending a custom TCP request
Unauthorized injection to a recently created process
Setting a single autorun event
Enabling a "Do not show hidden files" option
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
obfuscated overlay packed packer_detected visual_basic
Verdict:
Malicious
Labled as:
Gosys.B
Malware family:
MOFKSYS
Verdict:
Malicious
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
inconclusive
YARA:
7 match(es)
Tags:
.Net Executable Fody/Costura Packer PE (Portable Executable) PE File Layout Visual Basic Visual Basic 6 Win 32 Exe x86
Threat name:
Win32.Trojan.Swisyn
Status:
Malicious
First seen:
2025-08-19 14:58:37 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
24 of 24 (100.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
10/10
Tags:
defense_evasion discovery persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Executes dropped EXE
Modifies visibility of hidden/system files in Explorer
Verdict:
Malicious
Tags:
trojan Win.Trojan.VBGeneric-6735875-0
YARA:
Windows_Generic_Threat_7526f106 Windows_Generic_Threat_cbe3313a
Unpacked files
SH256 hash:
45884ce399da62cf819867e19ee253ba5e2c9ac12e96bf9f2f0fd54d31f6435d
MD5 hash:
8236106c5af3d52c00c6992f0d346468
SHA1 hash:
55daa958884217ebda72a62dfa2de46393272392
SH256 hash:
e2819114f1167b92939d08b19a4a0feb5997baf62a293b08735eecf863ce4f7c
MD5 hash:
133d9d8901105e6b12d6c6b6bd24dd4a
SHA1 hash:
a659f144a5bdc5ac15972da821a1a1fcb095c375
Detections:
INDICATOR_EXE_Packed_Fody
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: | botnet_plaintext_c2 |
|---|---|
| Author: | cip |
| Description: | Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols. |
| Rule name: | CP_AllMal_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | INDICATOR_EXE_Packed_Fody |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables manipulated with Fody |
| Rule name: | Lumma_Stealer_Detection |
|---|---|
| Author: | ashizZz |
| Description: | Detects a specific Lumma Stealer malware sample using unique strings and behaviors |
| Reference: | https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/ |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | SEH__vba |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | SUSP_Imphash_Mar23_2 |
|---|---|
| Author: | Arnim Rupp (https://github.com/ruppde) |
| Description: | Detects imphash often found in malware samples (Zero hits with with search for 'imphash:x p:0' on Virustotal) |
| Reference: | Internal Research |
| Rule name: | Sus_CMD_Powershell_Usage |
|---|---|
| Author: | XiAnzheng |
| Description: | May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP) |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | ThreadControl__Context |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | Windows_Generic_Threat_7526f106 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Windows_Generic_Threat_cbe3313a |
|---|---|
| Author: | Elastic Security |
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
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
| CHECK_TRUST_INFO | Requires Elevated Execution (level:requireAdministrator) | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| VB_API | Legacy Visual Basic API used | MSVBVM60.DLL::__vbaCopyBytes MSVBVM60.DLL::__vbaSetSystemError MSVBVM60.DLL::__vbaExitProc MSVBVM60.DLL::__vbaObjSetAddref MSVBVM60.DLL::EVENT_SINK_AddRef MSVBVM60.DLL::__vbaFileOpen |
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